./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/ldv-regression/stateful_check.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/ldv-regression/stateful_check.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 a342581b7572d5ebcb4a58d0a914c795d7fcf5cd ................................................................................................................................................................................................................................................................................................................................................ 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 02:38:02,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:38:02,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:38:02,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:38:02,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:38:02,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:38:02,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:38:02,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:38:02,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:38:02,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:38:02,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:38:02,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:38:02,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:38:02,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:38:02,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:38:02,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:38:02,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:38:02,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:38:02,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:38:02,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:38:02,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:38:02,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:38:02,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:38:02,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:38:02,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:38:02,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:38:02,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:38:02,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:38:02,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:38:02,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:38:02,559 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:38:02,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:38:02,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:38:02,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:38:02,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:38:02,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:38:02,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:38:02,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:38:02,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:38:02,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:38:02,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:38:02,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:38:02,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:38:02,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:38:02,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:38:02,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:38:02,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:38:02,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:38:02,602 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:38:02,602 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:38:02,602 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:38:02,602 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:38:02,603 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:38:02,603 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:38:02,603 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:38:02,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:38:02,604 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:38:02,604 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:38:02,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:38:02,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:38:02,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:38:02,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:38:02,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:38:02,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:38:02,605 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:38:02,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:38:02,605 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:38:02,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:38:02,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:38:02,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:38:02,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:38:02,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:38:02,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:38:02,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:38:02,607 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:38:02,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a342581b7572d5ebcb4a58d0a914c795d7fcf5cd [2021-08-31 02:38:02,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:38:02,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:38:02,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:38:02,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:38:02,901 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:38:02,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/stateful_check.c [2021-08-31 02:38:02,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec763b14d/37b7cb819ff145718930fa56f5e13e09/FLAG9e8951559 [2021-08-31 02:38:03,246 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:38:03,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/stateful_check.c [2021-08-31 02:38:03,252 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec763b14d/37b7cb819ff145718930fa56f5e13e09/FLAG9e8951559 [2021-08-31 02:38:03,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec763b14d/37b7cb819ff145718930fa56f5e13e09 [2021-08-31 02:38:03,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:38:03,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:38:03,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:38:03,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:38:03,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:38:03,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ab767a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03, skipping insertion in model container [2021-08-31 02:38:03,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:38:03,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:38:03,814 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/ldv-regression/stateful_check.c[298,311] [2021-08-31 02:38:03,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:38:03,832 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:38:03,838 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/ldv-regression/stateful_check.c[298,311] [2021-08-31 02:38:03,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:38:03,851 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:38:03,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03 WrapperNode [2021-08-31 02:38:03,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:38:03,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:38:03,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:38:03,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:38:03,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:38:03,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:38:03,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:38:03,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:38:03,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:38:03,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:38:03,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:38:03,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:38:03,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (1/1) ... [2021-08-31 02:38:03,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:38:03,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:38:03,966 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 02:38:03,989 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 02:38:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:38:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:38:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:38:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:38:04,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:38:04,129 INFO L299 CfgBuilder]: Removed 35 assume(true) statements. [2021-08-31 02:38:04,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:38:04 BoogieIcfgContainer [2021-08-31 02:38:04,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:38:04,134 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:38:04,134 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:38:04,139 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:38:04,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:38:04,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:38:03" (1/3) ... [2021-08-31 02:38:04,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f9b6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:38:04, skipping insertion in model container [2021-08-31 02:38:04,144 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:38:04,144 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:38:03" (2/3) ... [2021-08-31 02:38:04,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f9b6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:38:04, skipping insertion in model container [2021-08-31 02:38:04,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:38:04,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:38:04" (3/3) ... [2021-08-31 02:38:04,146 INFO L389 chiAutomizerObserver]: Analyzing ICFG stateful_check.c [2021-08-31 02:38:04,212 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:38:04,225 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:38:04,225 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:38:04,225 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:38:04,225 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:38:04,226 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:38:04,226 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:38:04,226 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:38:04,235 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 39 states have internal predecessors, (57), 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 02:38:04,247 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 31 [2021-08-31 02:38:04,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:38:04,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:38:04,264 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:38:04,265 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:38:04,265 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:38:04,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 40 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 39 states have internal predecessors, (57), 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 02:38:04,267 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 31 [2021-08-31 02:38:04,268 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:38:04,268 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:38:04,268 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:38:04,268 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-08-31 02:38:04,275 INFO L791 eck$LassoCheckResult]: Stem: 23#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(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~ldv_mutex~0 := 1;~open_called~0 := 0; 12#L-1true havoc main_#res;havoc main_#t~ret8, main_#t~nondet10, main_#t~switch11, main_#t~ret12, main_#t~post13, main_#t~ret14, main_#t~post15, main_#t~ret16, main_#t~post17, main_#t~ret18, main_#t~nondet9, main_~ldv_s_misc_fops_file_operations~0;main_~ldv_s_misc_fops_file_operations~0 := 0;havoc my_init_#res;~open_called~0 := 0;my_init_#res := 0; 40#L72true main_#t~ret8 := my_init_#res;havoc main_#t~ret8; 19#L78-2true [2021-08-31 02:38:04,275 INFO L793 eck$LassoCheckResult]: Loop: 19#L78-2true assume !!(0 != main_#t~nondet9);havoc main_#t~nondet9;main_#t~switch11 := 0 == main_#t~nondet10; 28#L82true assume main_#t~switch11; 29#L83true assume !(0 == main_~ldv_s_misc_fops_file_operations~0); 16#L80true havoc main_#t~nondet10;havoc main_#t~switch11; 19#L78-2true [2021-08-31 02:38:04,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:04,279 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2021-08-31 02:38:04,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:04,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060918259] [2021-08-31 02:38:04,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:04,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,342 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,383 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:04,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:04,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1327177, now seen corresponding path program 1 times [2021-08-31 02:38:04,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:04,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741196545] [2021-08-31 02:38:04,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:04,387 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,398 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,408 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:04,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:04,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1804166377, now seen corresponding path program 1 times [2021-08-31 02:38:04,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:04,410 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553187997] [2021-08-31 02:38:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:04,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:38:04,503 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 02:38:04,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:38:04,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553187997] [2021-08-31 02:38:04,505 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553187997] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:38:04,505 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:38:04,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 02:38:04,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590733118] [2021-08-31 02:38:04,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:38:04,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:38:04,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:38:04,636 INFO L87 Difference]: Start difference. First operand has 40 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 39 states have internal predecessors, (57), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 02:38:04,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:38:04,758 INFO L93 Difference]: Finished difference Result 57 states and 73 transitions. [2021-08-31 02:38:04,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:38:04,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 73 transitions. [2021-08-31 02:38:04,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38 [2021-08-31 02:38:04,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 41 states and 57 transitions. [2021-08-31 02:38:04,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-08-31 02:38:04,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-08-31 02:38:04,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 57 transitions. [2021-08-31 02:38:04,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:38:04,781 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-08-31 02:38:04,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 57 transitions. [2021-08-31 02:38:04,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2021-08-31 02:38:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 40 states have internal predecessors, (57), 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 02:38:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 57 transitions. [2021-08-31 02:38:04,810 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-08-31 02:38:04,810 INFO L587 BuchiCegarLoop]: Abstraction has 41 states and 57 transitions. [2021-08-31 02:38:04,811 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:38:04,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 57 transitions. [2021-08-31 02:38:04,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 38 [2021-08-31 02:38:04,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:38:04,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:38:04,812 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:38:04,812 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-08-31 02:38:04,812 INFO L791 eck$LassoCheckResult]: Stem: 132#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(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~ldv_mutex~0 := 1;~open_called~0 := 0; 122#L-1 havoc main_#res;havoc main_#t~ret8, main_#t~nondet10, main_#t~switch11, main_#t~ret12, main_#t~post13, main_#t~ret14, main_#t~post15, main_#t~ret16, main_#t~post17, main_#t~ret18, main_#t~nondet9, main_~ldv_s_misc_fops_file_operations~0;main_~ldv_s_misc_fops_file_operations~0 := 0;havoc my_init_#res;~open_called~0 := 0;my_init_#res := 0; 123#L72 main_#t~ret8 := my_init_#res;havoc main_#t~ret8; 142#L78-2 [2021-08-31 02:38:04,812 INFO L793 eck$LassoCheckResult]: Loop: 142#L78-2 assume !!(0 != main_#t~nondet9);havoc main_#t~nondet9;main_#t~switch11 := 0 == main_#t~nondet10; 136#L82 assume !main_#t~switch11;main_#t~switch11 := main_#t~switch11 || 1 == main_#t~nondet10; 134#L90 assume main_#t~switch11; 135#L91 assume !(1 == main_~ldv_s_misc_fops_file_operations~0); 124#L80 havoc main_#t~nondet10;havoc main_#t~switch11; 142#L78-2 [2021-08-31 02:38:04,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:04,813 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 2 times [2021-08-31 02:38:04,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:04,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330265117] [2021-08-31 02:38:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:04,814 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:04,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,835 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:04,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:04,842 INFO L82 PathProgramCache]: Analyzing trace with hash 41592519, now seen corresponding path program 1 times [2021-08-31 02:38:04,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:04,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198382758] [2021-08-31 02:38:04,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:04,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,852 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,855 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:04,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:38:04,856 INFO L82 PathProgramCache]: Analyzing trace with hash 95032871, now seen corresponding path program 1 times [2021-08-31 02:38:04,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:38:04,856 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654780715] [2021-08-31 02:38:04,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:38:04,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:38:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,878 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:38:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:38:04,887 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:38:05,270 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 02:38:05,275 INFO L158 Benchmark]: Toolchain (without parser) took 1575.35ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 43.2MB in the beginning and 44.8MB in the end (delta: -1.7MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-08-31 02:38:05,276 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 27.9MB in the beginning and 27.9MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:38:05,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 152.17ms. Allocated memory is still 58.7MB. Free memory was 43.0MB in the beginning and 33.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 02:38:05,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.59ms. Allocated memory is still 58.7MB. Free memory was 33.2MB in the beginning and 41.9MB in the end (delta: -8.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 02:38:05,278 INFO L158 Benchmark]: Boogie Preprocessor took 32.83ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 40.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 02:38:05,282 INFO L158 Benchmark]: RCFGBuilder took 186.09ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 31.2MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 02:38:05,283 INFO L158 Benchmark]: BuchiAutomizer took 1140.12ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 31.0MB in the beginning and 44.8MB in the end (delta: -13.8MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-08-31 02:38:05,286 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 27.9MB in the beginning and 27.9MB in the end (delta: 32.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 152.17ms. Allocated memory is still 58.7MB. Free memory was 43.0MB in the beginning and 33.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.59ms. Allocated memory is still 58.7MB. Free memory was 33.2MB in the beginning and 41.9MB in the end (delta: -8.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.83ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 40.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 186.09ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 31.2MB in the end (delta: 9.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 1140.12ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 31.0MB in the beginning and 44.8MB in the end (delta: -13.8MB). Peak memory consumption was 13.5MB. 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 41 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 02:38:05,316 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...