./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.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/product-lines/minepump_spec2_product63.cil.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 166d50f854e9d57ec06fdf30b85b3272203a25d5 ................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:54:03,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:54:03,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:54:03,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:54:03,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:54:03,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:54:03,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:54:03,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:54:03,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:54:03,333 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:54:03,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:54:03,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:54:03,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:54:03,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:54:03,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:54:03,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:54:03,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:54:03,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:54:03,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:54:03,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:54:03,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:54:03,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:54:03,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:54:03,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:54:03,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:54:03,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:54:03,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:54:03,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:54:03,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:54:03,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:54:03,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:54:03,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:54:03,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:54:03,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:54:03,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:54:03,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:54:03,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:54:03,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:54:03,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:54:03,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:54:03,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:54:03,366 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:54:03,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:54:03,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:54:03,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:54:03,395 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:54:03,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:54:03,396 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:54:03,396 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:54:03,397 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:54:03,397 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:54:03,397 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:54:03,397 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:54:03,398 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:54:03,398 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:54:03,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:54:03,398 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:54:03,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:54:03,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:54:03,399 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:54:03,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:54:03,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:54:03,400 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:54:03,400 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:54:03,400 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:54:03,400 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:54:03,401 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:54:03,401 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:54:03,402 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 166d50f854e9d57ec06fdf30b85b3272203a25d5 [2021-08-31 03:54:03,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:54:03,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:54:03,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:54:03,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:54:03,666 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:54:03,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-08-31 03:54:03,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1472ca69c/5c44a2b0b1c24b4b98370e1a3c7b6d41/FLAGc788a50e7 [2021-08-31 03:54:04,140 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:54:04,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2021-08-31 03:54:04,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1472ca69c/5c44a2b0b1c24b4b98370e1a3c7b6d41/FLAGc788a50e7 [2021-08-31 03:54:04,164 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1472ca69c/5c44a2b0b1c24b4b98370e1a3c7b6d41 [2021-08-31 03:54:04,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:54:04,168 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:54:04,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:54:04,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:54:04,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:54:04,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20705a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04, skipping insertion in model container [2021-08-31 03:54:04,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:54:04,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:54:04,363 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/product-lines/minepump_spec2_product63.cil.c[2661,2674] [2021-08-31 03:54:04,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:54:04,474 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:54:04,483 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/product-lines/minepump_spec2_product63.cil.c[2661,2674] [2021-08-31 03:54:04,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:54:04,529 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:54:04,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04 WrapperNode [2021-08-31 03:54:04,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:54:04,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:54:04,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:54:04,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:54:04,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:54:04,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:54:04,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:54:04,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:54:04,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:54:04,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:54:04,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:54:04,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:54:04,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (1/1) ... [2021-08-31 03:54:04,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:54:04,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:54:04,667 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 03:54:04,670 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 03:54:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:54:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:54:04,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:54:04,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:54:05,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:54:05,152 INFO L299 CfgBuilder]: Removed 354 assume(true) statements. [2021-08-31 03:54:05,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:54:05 BoogieIcfgContainer [2021-08-31 03:54:05,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:54:05,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:54:05,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:54:05,162 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:54:05,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:05,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:54:04" (1/3) ... [2021-08-31 03:54:05,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6770baee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:54:05, skipping insertion in model container [2021-08-31 03:54:05,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:05,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:04" (2/3) ... [2021-08-31 03:54:05,164 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6770baee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:54:05, skipping insertion in model container [2021-08-31 03:54:05,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:05,164 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:54:05" (3/3) ... [2021-08-31 03:54:05,165 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2021-08-31 03:54:05,200 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:54:05,200 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:54:05,200 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:54:05,200 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:54:05,200 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:54:05,200 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:54:05,200 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:54:05,200 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:54:05,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 228 states, 227 states have (on average 1.5110132158590308) internal successors, (343), 227 states have internal predecessors, (343), 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 03:54:05,245 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2021-08-31 03:54:05,245 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:05,245 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:05,250 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:05,250 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:05,250 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:54:05,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 228 states, 227 states have (on average 1.5110132158590308) internal successors, (343), 227 states have internal predecessors, (343), 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 03:54:05,262 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 149 [2021-08-31 03:54:05,262 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:05,262 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:05,263 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:05,263 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:05,267 INFO L791 eck$LassoCheckResult]: Stem: 220#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(80, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(117, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(109, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(112, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(110, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(102, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(102, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(32, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 137#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 41#L653true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 89#L661true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 222#L134true assume 0 != main_~tmp~0; 126#L105true ~methAndRunningLastTime~0 := 0; 119#L165true havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 25#L176-1true [2021-08-31 03:54:05,268 INFO L793 eck$LassoCheckResult]: Loop: 25#L176-1true assume !false; 226#L318true assume test_~splverifierCounter~0 < 4; 230#L319true test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 128#L327true assume !(0 != test_~tmp~2); 210#L327-1true test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 172#L337true assume !(0 != test_~tmp___0~1); 109#L337-1true test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 216#L347true assume 0 != test_~tmp___2~0; 98#L353-1true assume !(0 != ~pumpRunning~0); 149#L383true assume !(0 != ~systemActive~0); 192#L390true havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 60#L246-5true __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 142#L176true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 25#L176-1true [2021-08-31 03:54:05,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:05,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 03:54:05,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:05,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678548727] [2021-08-31 03:54:05,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:05,277 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:05,436 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:05,535 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:05,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:05,539 INFO L82 PathProgramCache]: Analyzing trace with hash 17744979, now seen corresponding path program 1 times [2021-08-31 03:54:05,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:05,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325320614] [2021-08-31 03:54:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:05,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:05,547 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:05,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:05,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:05,565 INFO L82 PathProgramCache]: Analyzing trace with hash 851041485, now seen corresponding path program 1 times [2021-08-31 03:54:05,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:05,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692390827] [2021-08-31 03:54:05,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:05,583 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:54:05,689 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 03:54:05,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:54:05,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692390827] [2021-08-31 03:54:05,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692390827] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:54:05,690 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:54:05,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:54:05,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299306920] [2021-08-31 03:54:05,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:54:05,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:54:05,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:54:05,826 INFO L87 Difference]: Start difference. First operand has 228 states, 227 states have (on average 1.5110132158590308) internal successors, (343), 227 states have internal predecessors, (343), 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 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 03:54:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:54:06,922 INFO L93 Difference]: Finished difference Result 502 states and 733 transitions. [2021-08-31 03:54:06,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:54:06,927 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 502 states and 733 transitions. [2021-08-31 03:54:06,932 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 327 [2021-08-31 03:54:06,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 502 states to 481 states and 712 transitions. [2021-08-31 03:54:06,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 481 [2021-08-31 03:54:06,940 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 481 [2021-08-31 03:54:06,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 481 states and 712 transitions. [2021-08-31 03:54:06,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:54:06,942 INFO L681 BuchiCegarLoop]: Abstraction has 481 states and 712 transitions. [2021-08-31 03:54:06,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states and 712 transitions. [2021-08-31 03:54:06,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 265. [2021-08-31 03:54:06,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 265 states have (on average 1.4754716981132074) internal successors, (391), 264 states have internal predecessors, (391), 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 03:54:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 391 transitions. [2021-08-31 03:54:06,974 INFO L704 BuchiCegarLoop]: Abstraction has 265 states and 391 transitions. [2021-08-31 03:54:06,974 INFO L587 BuchiCegarLoop]: Abstraction has 265 states and 391 transitions. [2021-08-31 03:54:06,974 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:54:06,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 265 states and 391 transitions. [2021-08-31 03:54:06,976 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 180 [2021-08-31 03:54:06,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:06,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:06,977 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:06,977 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:06,978 INFO L791 eck$LassoCheckResult]: Stem: 968#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(80, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(117, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(109, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(112, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(110, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(102, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(102, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(32, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 933#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 822#L653 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 823#L661 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 884#L134 assume 0 != main_~tmp~0; 920#L105 ~methAndRunningLastTime~0 := 0; 916#L165 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 749#L176-1 [2021-08-31 03:54:06,978 INFO L793 eck$LassoCheckResult]: Loop: 749#L176-1 assume !false; 797#L318 assume test_~splverifierCounter~0 < 4; 969#L319 test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 924#L327 assume !(0 != test_~tmp~2); 926#L327-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 951#L337 assume !(0 != test_~tmp___0~1); 846#L337-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 908#L347 assume 0 != test_~tmp___2~0; 873#L353-1 assume !(0 != ~pumpRunning~0); 894#L383 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret26, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 907#L467 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret25, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 897#L441-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret24, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 778#L415-3 assume !(0 == ~pumpRunning~0); 756#L390 havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 847#L246-5 __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 848#L176 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 749#L176-1 [2021-08-31 03:54:06,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:06,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 03:54:06,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:06,979 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403714992] [2021-08-31 03:54:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:06,979 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,019 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,083 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:07,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:07,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1227870023, now seen corresponding path program 1 times [2021-08-31 03:54:07,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:07,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470505627] [2021-08-31 03:54:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:07,087 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:54:07,104 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 03:54:07,105 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:54:07,105 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470505627] [2021-08-31 03:54:07,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470505627] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:54:07,108 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:54:07,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:54:07,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115573272] [2021-08-31 03:54:07,108 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:54:07,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:54:07,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:54:07,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:54:07,110 INFO L87 Difference]: Start difference. First operand 265 states and 391 transitions. cyclomatic complexity: 129 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 03:54:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:54:07,384 INFO L93 Difference]: Finished difference Result 262 states and 365 transitions. [2021-08-31 03:54:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:54:07,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 365 transitions. [2021-08-31 03:54:07,387 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 182 [2021-08-31 03:54:07,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 365 transitions. [2021-08-31 03:54:07,388 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262 [2021-08-31 03:54:07,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262 [2021-08-31 03:54:07,389 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 365 transitions. [2021-08-31 03:54:07,389 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:54:07,389 INFO L681 BuchiCegarLoop]: Abstraction has 262 states and 365 transitions. [2021-08-31 03:54:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 365 transitions. [2021-08-31 03:54:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2021-08-31 03:54:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 261 states have internal predecessors, (365), 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 03:54:07,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions. [2021-08-31 03:54:07,397 INFO L704 BuchiCegarLoop]: Abstraction has 262 states and 365 transitions. [2021-08-31 03:54:07,397 INFO L587 BuchiCegarLoop]: Abstraction has 262 states and 365 transitions. [2021-08-31 03:54:07,397 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:54:07,397 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 365 transitions. [2021-08-31 03:54:07,398 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 182 [2021-08-31 03:54:07,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:07,398 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:07,399 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:07,399 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:07,399 INFO L791 eck$LassoCheckResult]: Stem: 1466#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(77, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(101, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(116, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(104, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string15.base, #t~string15.offset, 1);call write~init~int(82, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(73, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(84, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 4 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(75, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 1 + #t~string19.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(80, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(117, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(109, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(112, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(110, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(102, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(102, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 3 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(32, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(21);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(9);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(25);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(30);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(9);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 1368#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 1369#L653 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 1380#L661 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 1463#L134 assume 0 != main_~tmp~0; 1326#L105 ~methAndRunningLastTime~0 := 0; 1308#L165 havoc test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1282#L176-1 [2021-08-31 03:54:07,399 INFO L793 eck$LassoCheckResult]: Loop: 1282#L176-1 assume !false; 1344#L318 assume test_~splverifierCounter~0 < 4; 1469#L319 test_~tmp~2 := test_#t~nondet20;havoc test_#t~nondet20; 1334#L327 assume !(0 != test_~tmp~2); 1336#L327-1 test_~tmp___0~1 := test_#t~nondet21;havoc test_#t~nondet21; 1427#L337 assume !(0 != test_~tmp___0~1); 1413#L337-1 test_~tmp___2~0 := test_#t~nondet22;havoc test_#t~nondet22; 1464#L347 assume 0 != test_~tmp___2~0; 1451#L353-1 assume !(0 != ~pumpRunning~0); 1387#L383 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret26, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1388#L467 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret25, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1470#L441-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret24, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1317#L415-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret45, isHighWaterLevel_~retValue_acc~7, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~7;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~3;havoc isHighWaterSensorDry_~retValue_acc~3; 1318#L286-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~3 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~3; 1311#L291-3 isHighWaterLevel_#t~ret45 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret45;havoc isHighWaterLevel_#t~ret45; 1312#L586-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 1355#L586-11 isHighWaterLevel_~retValue_acc~7 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~7; 1356#L592-3 processEnvironment__wrappee__highWaterSensor_#t~ret24 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret24;havoc processEnvironment__wrappee__highWaterSensor_#t~ret24; 1409#L419-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 1292#L390 havoc __utac_acc__Specification2_spec__2_#t~ret8, __utac_acc__Specification2_spec__2_#t~ret9, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 1538#L246-5 __utac_acc__Specification2_spec__2_#t~ret8 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret8;havoc __utac_acc__Specification2_spec__2_#t~ret8; 1374#L176 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 1282#L176-1 [2021-08-31 03:54:07,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:07,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 03:54:07,400 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:07,400 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744806879] [2021-08-31 03:54:07,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:07,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,419 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:07,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:07,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1200754989, now seen corresponding path program 1 times [2021-08-31 03:54:07,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:07,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474844784] [2021-08-31 03:54:07,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:07,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,456 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,461 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:07,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:07,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2067939431, now seen corresponding path program 1 times [2021-08-31 03:54:07,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:07,461 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144077606] [2021-08-31 03:54:07,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:07,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,477 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:07,519 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:49,113 WARN L210 SmtUtils]: Spent 41.41s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 03:55:31,903 WARN L210 SmtUtils]: Spent 21.45s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 03:55:31,959 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 03:55:31,960 INFO L158 Benchmark]: Toolchain (without parser) took 87792.63ms. Allocated memory was 62.9MB in the beginning and 142.6MB in the end (delta: 79.7MB). Free memory was 42.9MB in the beginning and 98.4MB in the end (delta: -55.6MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2021-08-31 03:55:31,961 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:55:31,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.63ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 39.0MB in the end (delta: 3.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 03:55:31,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.55ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 33.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 03:55:31,962 INFO L158 Benchmark]: Boogie Preprocessor took 47.85ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 29.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:55:31,962 INFO L158 Benchmark]: RCFGBuilder took 532.59ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.4MB in the beginning and 43.2MB in the end (delta: -13.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2021-08-31 03:55:31,963 INFO L158 Benchmark]: BuchiAutomizer took 86799.68ms. Allocated memory was 81.8MB in the beginning and 142.6MB in the end (delta: 60.8MB). Free memory was 43.2MB in the beginning and 98.4MB in the end (delta: -55.2MB). Peak memory consumption was 74.3MB. Max. memory is 16.1GB. [2021-08-31 03:55:31,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.63ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 39.0MB in the end (delta: 3.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.55ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 33.4MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.85ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 29.4MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 532.59ms. Allocated memory was 62.9MB in the beginning and 81.8MB in the end (delta: 18.9MB). Free memory was 29.4MB in the beginning and 43.2MB in the end (delta: -13.8MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 86799.68ms. Allocated memory was 81.8MB in the beginning and 142.6MB in the end (delta: 60.8MB). Free memory was 43.2MB in the beginning and 98.4MB in the end (delta: -55.2MB). Peak memory consumption was 74.3MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 262 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 03:55:32,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...