./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_accelerometer_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/psyco/psyco_accelerometer_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 f984bd5abbd4adc0ae4b2416fd7142c889297d5b .......................................................................................................................................................................................................................................................................................................................................... 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 02:35:42,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 02:35:42,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 02:35:42,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 02:35:42,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 02:35:42,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 02:35:42,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 02:35:42,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 02:35:42,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 02:35:42,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 02:35:42,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 02:35:42,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 02:35:42,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 02:35:42,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 02:35:42,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 02:35:42,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 02:35:42,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 02:35:42,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 02:35:42,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 02:35:42,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 02:35:42,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 02:35:42,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 02:35:42,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 02:35:42,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 02:35:42,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 02:35:42,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 02:35:42,393 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 02:35:42,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 02:35:42,394 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 02:35:42,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 02:35:42,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 02:35:42,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 02:35:42,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 02:35:42,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 02:35:42,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 02:35:42,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 02:35:42,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 02:35:42,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 02:35:42,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 02:35:42,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 02:35:42,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 02:35:42,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 02:35:42,428 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 02:35:42,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 02:35:42,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 02:35:42,429 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 02:35:42,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 02:35:42,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 02:35:42,431 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 02:35:42,431 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 02:35:42,431 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 02:35:42,431 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 02:35:42,432 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 02:35:42,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 02:35:42,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 02:35:42,433 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 02:35:42,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 02:35:42,434 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 02:35:42,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 02:35:42,435 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 02:35:42,435 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f984bd5abbd4adc0ae4b2416fd7142c889297d5b [2021-08-31 02:35:42,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 02:35:42,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 02:35:42,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 02:35:42,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 02:35:42,698 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 02:35:42,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-08-31 02:35:42,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5213a24d/ba33c5a6d2ab4664b322ac1abca33a0e/FLAG94131a4ca [2021-08-31 02:35:43,286 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 02:35:43,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_accelerometer_1.c [2021-08-31 02:35:43,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5213a24d/ba33c5a6d2ab4664b322ac1abca33a0e/FLAG94131a4ca [2021-08-31 02:35:43,503 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5213a24d/ba33c5a6d2ab4664b322ac1abca33a0e [2021-08-31 02:35:43,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 02:35:43,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 02:35:43,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 02:35:43,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 02:35:43,512 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 02:35:43,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:35:43" (1/1) ... [2021-08-31 02:35:43,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1ac96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:43, skipping insertion in model container [2021-08-31 02:35:43,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 02:35:43" (1/1) ... [2021-08-31 02:35:43,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 02:35:43,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 02:35:44,040 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/psyco/psyco_accelerometer_1.c[182833,182846] [2021-08-31 02:35:44,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:35:44,056 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 02:35:44,209 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/psyco/psyco_accelerometer_1.c[182833,182846] [2021-08-31 02:35:44,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 02:35:44,224 INFO L208 MainTranslator]: Completed translation [2021-08-31 02:35:44,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44 WrapperNode [2021-08-31 02:35:44,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 02:35:44,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 02:35:44,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 02:35:44,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 02:35:44,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 02:35:44,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 02:35:44,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 02:35:44,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 02:35:44,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 02:35:44,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 02:35:44,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 02:35:44,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 02:35:44,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (1/1) ... [2021-08-31 02:35:44,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 02:35:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 02:35:44,477 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 02:35:44,479 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 02:35:44,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 02:35:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 02:35:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 02:35:44,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 02:35:45,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 02:35:45,203 INFO L299 CfgBuilder]: Removed 25 assume(true) statements. [2021-08-31 02:35:45,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:35:45 BoogieIcfgContainer [2021-08-31 02:35:45,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 02:35:45,207 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 02:35:45,207 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 02:35:45,209 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 02:35:45,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:35:45,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 02:35:43" (1/3) ... [2021-08-31 02:35:45,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@344eccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:35:45, skipping insertion in model container [2021-08-31 02:35:45,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:35:45,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 02:35:44" (2/3) ... [2021-08-31 02:35:45,212 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@344eccbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 02:35:45, skipping insertion in model container [2021-08-31 02:35:45,212 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 02:35:45,212 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 02:35:45" (3/3) ... [2021-08-31 02:35:45,213 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_accelerometer_1.c [2021-08-31 02:35:45,255 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 02:35:45,256 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 02:35:45,256 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 02:35:45,256 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 02:35:45,256 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 02:35:45,256 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 02:35:45,256 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 02:35:45,257 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 02:35:45,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 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 02:35:45,313 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2021-08-31 02:35:45,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:35:45,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:35:45,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:35:45,318 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:35:45,318 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 02:35:45,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 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 02:35:45,334 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 220 [2021-08-31 02:35:45,334 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:35:45,334 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:35:45,335 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-08-31 02:35:45,335 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 02:35:45,343 INFO L791 eck$LassoCheckResult]: Stem: 230#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);~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 172#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~nondet64, main_#t~nondet65, main_#t~nondet66, main_#t~nondet67, main_#t~nondet68, main_#t~nondet69, main_#t~nondet70, main_#t~nondet71, main_#t~nondet72, main_#t~nondet73, main_#t~nondet74, main_#t~nondet75, main_#t~nondet76, main_#t~nondet77, main_#t~nondet78, main_#t~nondet79, main_#t~nondet80, main_#t~nondet81, main_#t~nondet82, main_#t~nondet83, main_#t~nondet84, main_#t~nondet85, main_#t~nondet86, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~q~0, main_~method_id~0, main_~this_m_conn~0, main_~this_m_sensitivity~0, main_~this_m_samples~0, main_~this_m_delta~0, main_~this_m_accX~0, main_~this_m_sensorInfo~0, main_~this_m_conn_data_listener~0, main_~this_m_accY~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_m_conn~0 := 0;main_~this_m_sensitivity~0 := 100;main_~this_m_samples~0 := 200;main_~this_m_delta~0 := 1;main_~this_m_accX~0 := 0;main_~this_m_sensorInfo~0 := 0;main_~this_m_conn_data_listener~0 := 0;main_~this_m_accY~0 := 0; 173#L34-2true [2021-08-31 02:35:45,344 INFO L793 eck$LassoCheckResult]: Loop: 173#L34-2true goto; 81#L1248true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := (if 0 == main_#t~nondet10 then 0 else 1);havoc main_#t~nondet10;main_~P5~0 := (if 0 == main_#t~nondet11 then 0 else 1);havoc main_#t~nondet11;main_~P6~0 := (if 0 == main_#t~nondet12 then 0 else 1);havoc main_#t~nondet12; 14#L46true assume !(0 == main_~q~0); 34#L66true assume !(1 == main_~q~0); 215#L150true assume !(2 == main_~q~0); 47#L330true assume !(3 == main_~q~0); 78#L1070true assume !(4 == main_~q~0); 173#L34-2true [2021-08-31 02:35:45,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:35:45,349 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-08-31 02:35:45,356 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:35:45,357 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746428534] [2021-08-31 02:35:45,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:35:45,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:35:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:45,440 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:35:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:45,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:35:45,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:35:45,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1173980384, now seen corresponding path program 1 times [2021-08-31 02:35:45,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:35:45,497 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532704432] [2021-08-31 02:35:45,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:35:45,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:35:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:45,513 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:35:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:45,529 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:35:45,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:35:45,530 INFO L82 PathProgramCache]: Analyzing trace with hash 372316446, now seen corresponding path program 1 times [2021-08-31 02:35:45,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:35:45,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101049356] [2021-08-31 02:35:45,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:35:45,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:35:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 02:35:45,636 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 02:35:45,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 02:35:45,637 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101049356] [2021-08-31 02:35:45,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101049356] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 02:35:45,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 02:35:45,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 02:35:45,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232904575] [2021-08-31 02:35:45,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 02:35:45,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 02:35:45,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 02:35:45,837 INFO L87 Difference]: Start difference. First operand has 236 states, 235 states have (on average 1.974468085106383) internal successors, (464), 235 states have internal predecessors, (464), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 02:35:46,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 02:35:46,442 INFO L93 Difference]: Finished difference Result 230 states and 407 transitions. [2021-08-31 02:35:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 02:35:46,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 407 transitions. [2021-08-31 02:35:46,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2021-08-31 02:35:46,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 207 states and 322 transitions. [2021-08-31 02:35:46,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2021-08-31 02:35:46,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2021-08-31 02:35:46,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 322 transitions. [2021-08-31 02:35:46,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 02:35:46,462 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-08-31 02:35:46,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 322 transitions. [2021-08-31 02:35:46,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2021-08-31 02:35:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.5555555555555556) internal successors, (322), 206 states have internal predecessors, (322), 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 02:35:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 322 transitions. [2021-08-31 02:35:46,494 INFO L704 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-08-31 02:35:46,494 INFO L587 BuchiCegarLoop]: Abstraction has 207 states and 322 transitions. [2021-08-31 02:35:46,494 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 02:35:46,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 322 transitions. [2021-08-31 02:35:46,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 204 [2021-08-31 02:35:46,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 02:35:46,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 02:35:46,496 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-08-31 02:35:46,496 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-08-31 02:35:46,496 INFO L791 eck$LassoCheckResult]: Stem: 681#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);~m_init~0 := 1;~m_disconnect~0 := 2;~m_getValueX~0 := 3;~m_getValueY~0 := 4;~m_Accelerometer~0 := 5;~m_update~0 := 6;~m_dataReceived~0 := 7;~m_connect_1~0 := 8;~m_connect_2~0 := 9; 661#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, main_#t~nondet29, main_#t~nondet30, main_#t~nondet31, main_#t~nondet32, main_#t~nondet33, main_#t~nondet34, main_#t~nondet35, main_#t~nondet36, main_#t~nondet37, main_#t~nondet38, main_#t~nondet39, main_#t~nondet40, main_#t~nondet41, main_#t~nondet42, main_#t~nondet43, main_#t~nondet44, main_#t~nondet45, main_#t~nondet46, main_#t~nondet47, main_#t~nondet48, main_#t~nondet49, main_#t~nondet50, main_#t~nondet51, main_#t~nondet52, main_#t~nondet53, main_#t~nondet54, main_#t~nondet55, main_#t~nondet56, main_#t~nondet57, main_#t~nondet58, main_#t~nondet59, main_#t~nondet60, main_#t~nondet61, main_#t~nondet62, main_#t~nondet63, main_#t~nondet64, main_#t~nondet65, main_#t~nondet66, main_#t~nondet67, main_#t~nondet68, main_#t~nondet69, main_#t~nondet70, main_#t~nondet71, main_#t~nondet72, main_#t~nondet73, main_#t~nondet74, main_#t~nondet75, main_#t~nondet76, main_#t~nondet77, main_#t~nondet78, main_#t~nondet79, main_#t~nondet80, main_#t~nondet81, main_#t~nondet82, main_#t~nondet83, main_#t~nondet84, main_#t~nondet85, main_#t~nondet86, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~P5~0, main_~P6~0, main_~q~0, main_~method_id~0, main_~this_m_conn~0, main_~this_m_sensitivity~0, main_~this_m_samples~0, main_~this_m_delta~0, main_~this_m_accX~0, main_~this_m_sensorInfo~0, main_~this_m_conn_data_listener~0, main_~this_m_accY~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_m_conn~0 := 0;main_~this_m_sensitivity~0 := 100;main_~this_m_samples~0 := 200;main_~this_m_delta~0 := 1;main_~this_m_accX~0 := 0;main_~this_m_sensorInfo~0 := 0;main_~this_m_conn_data_listener~0 := 0;main_~this_m_accY~0 := 0; 662#L34-2 goto; 524#L1248 [2021-08-31 02:35:46,496 INFO L793 eck$LassoCheckResult]: Loop: 524#L1248 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := (if 0 == main_#t~nondet10 then 0 else 1);havoc main_#t~nondet10;main_~P5~0 := (if 0 == main_#t~nondet11 then 0 else 1);havoc main_#t~nondet11;main_~P6~0 := (if 0 == main_#t~nondet12 then 0 else 1);havoc main_#t~nondet12; 496#L46 assume 0 == main_~q~0; 497#L47 assume !(0 != main_#t~nondet13);havoc main_#t~nondet13; 524#L1248 [2021-08-31 02:35:46,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:35:46,497 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2021-08-31 02:35:46,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:35:46,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670711363] [2021-08-31 02:35:46,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:35:46,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:35:46,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:46,505 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:35:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:46,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:35:46,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:35:46,514 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2021-08-31 02:35:46,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:35:46,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040293640] [2021-08-31 02:35:46,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:35:46,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:35:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:46,518 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:35:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:46,522 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:35:46,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 02:35:46,522 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2021-08-31 02:35:46,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 02:35:46,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766043613] [2021-08-31 02:35:46,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 02:35:46,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 02:35:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:46,530 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 02:35:46,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 02:35:46,541 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 02:35:47,118 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 02:35:47,119 INFO L158 Benchmark]: Toolchain (without parser) took 3611.55ms. Allocated memory was 67.1MB in the beginning and 163.6MB in the end (delta: 96.5MB). Free memory was 37.4MB in the beginning and 63.4MB in the end (delta: -25.9MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2021-08-31 02:35:47,120 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 02:35:47,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 715.90ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 44.8MB in the end (delta: -7.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2021-08-31 02:35:47,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.47ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 57.9MB in the end (delta: -13.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-08-31 02:35:47,123 INFO L158 Benchmark]: Boogie Preprocessor took 96.80ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 45.5MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-31 02:35:47,123 INFO L158 Benchmark]: RCFGBuilder took 751.17ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 82.9MB in the end (delta: -37.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-08-31 02:35:47,124 INFO L158 Benchmark]: BuchiAutomizer took 1911.46ms. Allocated memory is still 163.6MB. Free memory was 82.9MB in the beginning and 63.4MB in the end (delta: 19.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-08-31 02:35:47,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 45.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 715.90ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.2MB in the beginning and 44.8MB in the end (delta: -7.6MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.47ms. Allocated memory was 81.8MB in the beginning and 104.9MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 57.9MB in the end (delta: -13.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.80ms. Allocated memory is still 104.9MB. Free memory was 57.9MB in the beginning and 45.5MB in the end (delta: 12.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 751.17ms. Allocated memory was 104.9MB in the beginning and 163.6MB in the end (delta: 58.7MB). Free memory was 45.5MB in the beginning and 82.9MB in the end (delta: -37.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 1911.46ms. Allocated memory is still 163.6MB. Free memory was 82.9MB in the beginning and 63.4MB in the end (delta: 19.6MB). Peak memory consumption was 20.3MB. 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 207 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 02:35:47,161 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...