./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.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/seq-mthreaded/rekh_ctm.1.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 191f886f2af9cd954ddd8195e3535cdcff443094 .................................................................................................................................................................................................................................. 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 05:16:09,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 05:16:09,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 05:16:09,187 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 05:16:09,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 05:16:09,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 05:16:09,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 05:16:09,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 05:16:09,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 05:16:09,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 05:16:09,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 05:16:09,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 05:16:09,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 05:16:09,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 05:16:09,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 05:16:09,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 05:16:09,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 05:16:09,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 05:16:09,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 05:16:09,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 05:16:09,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 05:16:09,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 05:16:09,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 05:16:09,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 05:16:09,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 05:16:09,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 05:16:09,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 05:16:09,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 05:16:09,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 05:16:09,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 05:16:09,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 05:16:09,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 05:16:09,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 05:16:09,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 05:16:09,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 05:16:09,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 05:16:09,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 05:16:09,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 05:16:09,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 05:16:09,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 05:16:09,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 05:16:09,245 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 05:16:09,274 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 05:16:09,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 05:16:09,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 05:16:09,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 05:16:09,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 05:16:09,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 05:16:09,277 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 05:16:09,277 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 05:16:09,277 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 05:16:09,278 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 05:16:09,278 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 05:16:09,278 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 05:16:09,279 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 05:16:09,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 05:16:09,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 05:16:09,279 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 05:16:09,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 05:16:09,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 05:16:09,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 05:16:09,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 05:16:09,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 05:16:09,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 05:16:09,280 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 05:16:09,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 05:16:09,281 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 05:16:09,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 05:16:09,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 05:16:09,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 05:16:09,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 05:16:09,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 05:16:09,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 05:16:09,282 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 05:16:09,283 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 05:16:09,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 191f886f2af9cd954ddd8195e3535cdcff443094 [2021-08-31 05:16:09,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 05:16:09,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 05:16:09,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 05:16:09,577 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 05:16:09,578 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 05:16:09,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2021-08-31 05:16:09,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c2150e9/84eec2930ebb4d3bac70770d1f9c70ac/FLAG3bfbc54c5 [2021-08-31 05:16:10,157 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 05:16:10,158 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2021-08-31 05:16:10,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c2150e9/84eec2930ebb4d3bac70770d1f9c70ac/FLAG3bfbc54c5 [2021-08-31 05:16:10,663 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50c2150e9/84eec2930ebb4d3bac70770d1f9c70ac [2021-08-31 05:16:10,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 05:16:10,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 05:16:10,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 05:16:10,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 05:16:10,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 05:16:10,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:16:10" (1/1) ... [2021-08-31 05:16:10,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557399ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:10, skipping insertion in model container [2021-08-31 05:16:10,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 05:16:10" (1/1) ... [2021-08-31 05:16:10,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 05:16:10,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 05:16:10,934 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/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2021-08-31 05:16:11,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:16:11,322 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 05:16:11,345 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/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2021-08-31 05:16:11,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 05:16:11,576 INFO L208 MainTranslator]: Completed translation [2021-08-31 05:16:11,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11 WrapperNode [2021-08-31 05:16:11,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 05:16:11,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 05:16:11,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 05:16:11,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 05:16:11,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:11,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:17,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 05:16:17,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 05:16:17,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 05:16:17,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 05:16:17,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:17,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:18,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:18,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:20,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:21,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:22,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:23,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 05:16:23,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 05:16:23,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 05:16:23,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 05:16:23,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (1/1) ... [2021-08-31 05:16:23,385 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 05:16:23,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 05:16:23,428 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 05:16:23,431 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 05:16:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-31 05:16:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-31 05:16:23,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 05:16:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 05:16:23,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 05:16:23,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 05:16:44,647 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 05:16:44,648 INFO L299 CfgBuilder]: Removed 16294 assume(true) statements. [2021-08-31 05:16:44,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:16:44 BoogieIcfgContainer [2021-08-31 05:16:44,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 05:16:44,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 05:16:44,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 05:16:44,742 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 05:16:44,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:16:44,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 05:16:10" (1/3) ... [2021-08-31 05:16:44,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c9c4ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:16:44, skipping insertion in model container [2021-08-31 05:16:44,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:16:44,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 05:16:11" (2/3) ... [2021-08-31 05:16:44,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c9c4ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 05:16:44, skipping insertion in model container [2021-08-31 05:16:44,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 05:16:44,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 05:16:44" (3/3) ... [2021-08-31 05:16:44,745 INFO L389 chiAutomizerObserver]: Analyzing ICFG rekh_ctm.1.c [2021-08-31 05:16:44,774 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 05:16:44,774 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 05:16:44,775 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 05:16:44,775 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 05:16:44,775 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 05:16:44,775 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 05:16:44,775 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 05:16:44,775 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 05:16:47,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111598 states, 111597 states have (on average 1.7080118641182112) internal successors, (190609), 111597 states have internal predecessors, (190609), 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 05:16:48,252 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-08-31 05:16:48,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-08-31 05:16:48,255 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 05:16:48,258 INFO L158 Benchmark]: Toolchain (without parser) took 37590.75ms. Allocated memory was 48.2MB in the beginning and 14.4GB in the end (delta: 14.4GB). Free memory was 19.8MB in the beginning and 11.5GB in the end (delta: -11.5GB). Peak memory consumption was 3.2GB. Max. memory is 16.1GB. [2021-08-31 05:16:48,258 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 30.7MB in the beginning and 30.7MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 05:16:48,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 901.23ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 42.2MB in the beginning and 27.4MB in the end (delta: 14.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2021-08-31 05:16:48,259 INFO L158 Benchmark]: Boogie Procedure Inliner took 5636.90ms. Allocated memory was 71.3MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 27.4MB in the beginning and 6.9GB in the end (delta: -6.9GB). Peak memory consumption was 888.5MB. Max. memory is 16.1GB. [2021-08-31 05:16:48,260 INFO L158 Benchmark]: Boogie Preprocessor took 6159.59ms. Allocated memory was 7.8GB in the beginning and 11.1GB in the end (delta: 3.3GB). Free memory was 6.9GB in the beginning and 9.7GB in the end (delta: -2.7GB). Peak memory consumption was 610.3MB. Max. memory is 16.1GB. [2021-08-31 05:16:48,260 INFO L158 Benchmark]: RCFGBuilder took 21358.90ms. Allocated memory was 11.1GB in the beginning and 14.4GB in the end (delta: 3.3GB). Free memory was 9.7GB in the beginning and 11.9GB in the end (delta: -2.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2021-08-31 05:16:48,261 INFO L158 Benchmark]: BuchiAutomizer took 3520.49ms. Allocated memory is still 14.4GB. Free memory was 11.9GB in the beginning and 11.5GB in the end (delta: 377.5MB). Peak memory consumption was 674.2MB. Max. memory is 16.1GB. [2021-08-31 05:16:48,263 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 48.2MB. Free memory was 30.7MB in the beginning and 30.7MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 901.23ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 42.2MB in the beginning and 27.4MB in the end (delta: 14.8MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 5636.90ms. Allocated memory was 71.3MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 27.4MB in the beginning and 6.9GB in the end (delta: -6.9GB). Peak memory consumption was 888.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6159.59ms. Allocated memory was 7.8GB in the beginning and 11.1GB in the end (delta: 3.3GB). Free memory was 6.9GB in the beginning and 9.7GB in the end (delta: -2.7GB). Peak memory consumption was 610.3MB. Max. memory is 16.1GB. * RCFGBuilder took 21358.90ms. Allocated memory was 11.1GB in the beginning and 14.4GB in the end (delta: 3.3GB). Free memory was 9.7GB in the beginning and 11.9GB in the end (delta: -2.2GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * BuchiAutomizer took 3520.49ms. Allocated memory is still 14.4GB. Free memory was 11.9GB in the beginning and 11.5GB in the end (delta: 377.5MB). Peak memory consumption was 674.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. * 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 05:16:48,289 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...