./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product58.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_spec5_product58.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 aa2e4c647ac78678e11a6f8d79cd56fa06ee0dfe .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:14:29,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:14:29,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:14:29,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:14:29,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:14:29,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:14:29,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:14:29,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:14:29,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:14:29,571 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:14:29,572 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:14:29,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:14:29,576 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:14:29,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:14:29,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:14:29,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:14:29,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:14:29,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:14:29,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:14:29,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:14:29,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:14:29,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:14:29,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:14:29,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:14:29,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:14:29,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:14:29,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:14:29,602 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:14:29,603 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:14:29,604 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:14:29,604 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:14:29,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:14:29,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:14:29,608 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:14:29,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:14:29,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:14:29,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:14:29,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:14:29,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:14:29,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:14:29,612 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:14:29,613 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:14:29,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:14:29,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:14:29,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:14:29,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:14:29,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:14:29,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:14:29,658 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:14:29,658 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:14:29,658 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:14:29,658 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:14:29,659 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:14:29,659 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:14:29,659 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:14:29,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:14:29,660 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:14:29,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:14:29,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:14:29,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:14:29,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:14:29,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:14:29,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:14:29,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:14:29,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:14:29,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:14:29,661 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:14:29,662 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:14:29,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:14:29,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:14:29,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:14:29,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:14:29,662 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:14:29,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:14:29,664 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:14:29,664 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa2e4c647ac78678e11a6f8d79cd56fa06ee0dfe [2021-08-31 04:14:29,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:14:29,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:14:29,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:14:29,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:14:29,989 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:14:29,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-08-31 04:14:30,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08554107a/fae2557f72d845d18b416bb9c657c9d9/FLAG19b66c6db [2021-08-31 04:14:30,548 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:14:30,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product58.cil.c [2021-08-31 04:14:30,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08554107a/fae2557f72d845d18b416bb9c657c9d9/FLAG19b66c6db [2021-08-31 04:14:30,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08554107a/fae2557f72d845d18b416bb9c657c9d9 [2021-08-31 04:14:30,883 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:14:30,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:14:30,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:14:30,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:14:30,890 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:14:30,891 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:14:30" (1/1) ... [2021-08-31 04:14:30,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61c25b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:30, skipping insertion in model container [2021-08-31 04:14:30,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:14:30" (1/1) ... [2021-08-31 04:14:30,898 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:14:30,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:14:31,172 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_spec5_product58.cil.c[14611,14624] [2021-08-31 04:14:31,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:14:31,196 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:14:31,252 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_spec5_product58.cil.c[14611,14624] [2021-08-31 04:14:31,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:14:31,291 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:14:31,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31 WrapperNode [2021-08-31 04:14:31,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:14:31,293 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:14:31,293 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:14:31,293 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:14:31,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:14:31,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:14:31,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:14:31,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:14:31,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,407 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:14:31,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:14:31,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:14:31,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:14:31,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (1/1) ... [2021-08-31 04:14:31,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:14:31,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:14:31,494 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 04:14:31,520 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 04:14:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:14:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:14:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:14:31,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:14:32,107 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:14:32,107 INFO L299 CfgBuilder]: Removed 208 assume(true) statements. [2021-08-31 04:14:32,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:14:32 BoogieIcfgContainer [2021-08-31 04:14:32,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:14:32,110 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:14:32,110 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:14:32,112 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:14:32,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:14:32,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:14:30" (1/3) ... [2021-08-31 04:14:32,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d9d3078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:14:32, skipping insertion in model container [2021-08-31 04:14:32,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:14:32,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:14:31" (2/3) ... [2021-08-31 04:14:32,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d9d3078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:14:32, skipping insertion in model container [2021-08-31 04:14:32,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:14:32,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:14:32" (3/3) ... [2021-08-31 04:14:32,115 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product58.cil.c [2021-08-31 04:14:32,157 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:14:32,157 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:14:32,157 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:14:32,157 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:14:32,158 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:14:32,158 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:14:32,158 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:14:32,158 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:14:32,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 141 states, 140 states have (on average 1.5) internal successors, (210), 140 states have internal predecessors, (210), 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 04:14:32,211 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2021-08-31 04:14:32,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:14:32,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:14:32,217 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:32,217 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:32,218 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:14:32,220 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 141 states, 140 states have (on average 1.5) internal successors, (210), 140 states have internal predecessors, (210), 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 04:14:32,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 91 [2021-08-31 04:14:32,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:14:32,234 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:14:32,235 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:32,235 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:32,241 INFO L791 eck$LassoCheckResult]: Stem: 126#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 42#L-1true havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 107#L1000true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 101#L1008true main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 27#L659true assume 0 != main_~tmp~4; 72#L631true ~switchedOnBeforeTS~0 := 0; 12#L161true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 141#L182-1true [2021-08-31 04:14:32,241 INFO L793 eck$LassoCheckResult]: Loop: 141#L182-1true assume !false; 92#L694true assume test_~splverifierCounter~0 < 4; 136#L695true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 11#L703true assume !(0 != test_~tmp~5); 49#L703-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 111#L713true assume !(0 != test_~tmp___0~1); 83#L713-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 138#L723true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 4#L731-2true havoc __utac_acc__Specification5_spec__2_#t~ret17;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 69#L891true __utac_acc__Specification5_spec__2_#t~ret17 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17;havoc __utac_acc__Specification5_spec__2_#t~ret17; 122#L171true assume !(0 != ~pumpRunning~0); 93#L762true assume !(0 != ~systemActive~0); 48#L769true havoc __utac_acc__Specification5_spec__3_#t~ret18, __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 90#L125true __utac_acc__Specification5_spec__3_#t~ret18 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret18;havoc __utac_acc__Specification5_spec__3_#t~ret18; 116#L182true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 141#L182-1true [2021-08-31 04:14:32,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:32,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 04:14:32,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:32,265 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520724949] [2021-08-31 04:14:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:32,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:32,491 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:14:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:32,656 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:14:32,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:32,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1013869901, now seen corresponding path program 1 times [2021-08-31 04:14:32,662 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:32,662 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109605716] [2021-08-31 04:14:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:32,662 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:14:32,744 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 04:14:32,745 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:14:32,745 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109605716] [2021-08-31 04:14:32,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109605716] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:14:32,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:14:32,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:14:32,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910516733] [2021-08-31 04:14:32,751 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:14:32,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:14:32,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:14:32,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:14:32,785 INFO L87 Difference]: Start difference. First operand has 141 states, 140 states have (on average 1.5) internal successors, (210), 140 states have internal predecessors, (210), 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 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 04:14:33,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:14:33,136 INFO L93 Difference]: Finished difference Result 141 states and 200 transitions. [2021-08-31 04:14:33,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:14:33,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 141 states and 200 transitions. [2021-08-31 04:14:33,143 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 89 [2021-08-31 04:14:33,146 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 141 states to 134 states and 192 transitions. [2021-08-31 04:14:33,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 134 [2021-08-31 04:14:33,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 134 [2021-08-31 04:14:33,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 134 states and 192 transitions. [2021-08-31 04:14:33,149 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:14:33,149 INFO L681 BuchiCegarLoop]: Abstraction has 134 states and 192 transitions. [2021-08-31 04:14:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states and 192 transitions. [2021-08-31 04:14:33,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-08-31 04:14:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 134 states have (on average 1.4328358208955223) internal successors, (192), 133 states have internal predecessors, (192), 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 04:14:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 192 transitions. [2021-08-31 04:14:33,176 INFO L704 BuchiCegarLoop]: Abstraction has 134 states and 192 transitions. [2021-08-31 04:14:33,176 INFO L587 BuchiCegarLoop]: Abstraction has 134 states and 192 transitions. [2021-08-31 04:14:33,176 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:14:33,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 134 states and 192 transitions. [2021-08-31 04:14:33,177 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 89 [2021-08-31 04:14:33,177 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:14:33,177 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:14:33,178 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:33,178 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:33,178 INFO L791 eck$LassoCheckResult]: Stem: 423#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 358#L-1 havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 359#L1000 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 416#L1008 main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 333#L659 assume 0 != main_~tmp~4; 334#L631 ~switchedOnBeforeTS~0 := 0; 306#L161 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 307#L182-1 [2021-08-31 04:14:33,179 INFO L793 eck$LassoCheckResult]: Loop: 307#L182-1 assume !false; 410#L694 assume test_~splverifierCounter~0 < 4; 411#L695 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 303#L703 assume !(0 != test_~tmp~5); 305#L703-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 368#L713 assume !(0 != test_~tmp___0~1); 299#L713-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 404#L723 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 291#L731-2 havoc __utac_acc__Specification5_spec__2_#t~ret17;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 292#L891 __utac_acc__Specification5_spec__2_#t~ret17 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17;havoc __utac_acc__Specification5_spec__2_#t~ret17; 390#L171 assume !(0 != ~pumpRunning~0); 392#L762 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret61, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 338#L820 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret60, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 339#L794-1 assume !(0 == ~pumpRunning~0); 364#L769 havoc __utac_acc__Specification5_spec__3_#t~ret18, __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 365#L125 __utac_acc__Specification5_spec__3_#t~ret18 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret18;havoc __utac_acc__Specification5_spec__3_#t~ret18; 409#L182 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 307#L182-1 [2021-08-31 04:14:33,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:33,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 04:14:33,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:33,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133097644] [2021-08-31 04:14:33,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:33,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:33,267 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:14:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:33,344 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:14:33,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:33,345 INFO L82 PathProgramCache]: Analyzing trace with hash 385675286, now seen corresponding path program 1 times [2021-08-31 04:14:33,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:33,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115893211] [2021-08-31 04:14:33,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:33,346 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:33,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:14:33,366 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 04:14:33,367 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:14:33,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115893211] [2021-08-31 04:14:33,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115893211] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:14:33,370 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:14:33,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:14:33,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077265993] [2021-08-31 04:14:33,372 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:14:33,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:14:33,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:14:33,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:14:33,374 INFO L87 Difference]: Start difference. First operand 134 states and 192 transitions. cyclomatic complexity: 60 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 04:14:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:14:33,729 INFO L93 Difference]: Finished difference Result 183 states and 251 transitions. [2021-08-31 04:14:33,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:14:33,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 183 states and 251 transitions. [2021-08-31 04:14:33,732 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2021-08-31 04:14:33,733 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 183 states to 183 states and 251 transitions. [2021-08-31 04:14:33,733 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2021-08-31 04:14:33,734 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2021-08-31 04:14:33,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 251 transitions. [2021-08-31 04:14:33,734 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:14:33,735 INFO L681 BuchiCegarLoop]: Abstraction has 183 states and 251 transitions. [2021-08-31 04:14:33,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 251 transitions. [2021-08-31 04:14:33,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-08-31 04:14:33,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 183 states have (on average 1.3715846994535519) internal successors, (251), 182 states have internal predecessors, (251), 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 04:14:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 251 transitions. [2021-08-31 04:14:33,748 INFO L704 BuchiCegarLoop]: Abstraction has 183 states and 251 transitions. [2021-08-31 04:14:33,748 INFO L587 BuchiCegarLoop]: Abstraction has 183 states and 251 transitions. [2021-08-31 04:14:33,748 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:14:33,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 183 states and 251 transitions. [2021-08-31 04:14:33,750 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2021-08-31 04:14:33,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:14:33,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:14:33,752 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:33,752 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, 1] [2021-08-31 04:14:33,752 INFO L791 eck$LassoCheckResult]: Stem: 752#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 681#L-1 havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 682#L1000 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 742#L1008 main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 661#L659 assume 0 != main_~tmp~4; 662#L631 ~switchedOnBeforeTS~0 := 0; 629#L161 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 630#L182-1 [2021-08-31 04:14:33,753 INFO L793 eck$LassoCheckResult]: Loop: 630#L182-1 assume !false; 735#L694 assume test_~splverifierCounter~0 < 4; 736#L695 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 626#L703 assume !(0 != test_~tmp~5); 628#L703-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 690#L713 assume !(0 != test_~tmp___0~1); 622#L713-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 729#L723 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 614#L731-2 havoc __utac_acc__Specification5_spec__2_#t~ret17;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 615#L891 __utac_acc__Specification5_spec__2_#t~ret17 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17;havoc __utac_acc__Specification5_spec__2_#t~ret17; 714#L171 assume !(0 != ~pumpRunning~0); 738#L762 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret61, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 659#L820 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret60, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 660#L794-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret80, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 696#L133-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 671#L138-1 isHighWaterLevel_#t~ret80 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret80;havoc isHighWaterLevel_#t~ret80; 672#L940-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 693#L940-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 713#L946-1 processEnvironment__wrappee__highWaterSensor_#t~ret60 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret60;havoc processEnvironment__wrappee__highWaterSensor_#t~ret60; 728#L798-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 688#L769 havoc __utac_acc__Specification5_spec__3_#t~ret18, __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 689#L125 __utac_acc__Specification5_spec__3_#t~ret18 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret18;havoc __utac_acc__Specification5_spec__3_#t~ret18; 734#L182 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 630#L182-1 [2021-08-31 04:14:33,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:33,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 04:14:33,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:33,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896814945] [2021-08-31 04:14:33,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:33,755 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:33,802 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:14:33,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:33,860 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:14:33,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1093023170, now seen corresponding path program 1 times [2021-08-31 04:14:33,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:33,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734178708] [2021-08-31 04:14:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:33,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:14:33,897 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 04:14:33,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:14:33,897 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734178708] [2021-08-31 04:14:33,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734178708] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:14:33,897 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:14:33,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-31 04:14:33,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040058769] [2021-08-31 04:14:33,898 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:14:33,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:14:33,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:14:33,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:14:33,899 INFO L87 Difference]: Start difference. First operand 183 states and 251 transitions. cyclomatic complexity: 70 Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 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 04:14:34,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:14:34,768 INFO L93 Difference]: Finished difference Result 517 states and 697 transitions. [2021-08-31 04:14:34,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:14:34,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 517 states and 697 transitions. [2021-08-31 04:14:34,773 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 331 [2021-08-31 04:14:34,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 517 states to 517 states and 697 transitions. [2021-08-31 04:14:34,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 517 [2021-08-31 04:14:34,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 517 [2021-08-31 04:14:34,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 517 states and 697 transitions. [2021-08-31 04:14:34,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:14:34,787 INFO L681 BuchiCegarLoop]: Abstraction has 517 states and 697 transitions. [2021-08-31 04:14:34,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states and 697 transitions. [2021-08-31 04:14:34,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 359. [2021-08-31 04:14:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 359 states have (on average 1.33983286908078) internal successors, (481), 358 states have internal predecessors, (481), 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 04:14:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 481 transitions. [2021-08-31 04:14:34,812 INFO L704 BuchiCegarLoop]: Abstraction has 359 states and 481 transitions. [2021-08-31 04:14:34,812 INFO L587 BuchiCegarLoop]: Abstraction has 359 states and 481 transitions. [2021-08-31 04:14:34,812 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-08-31 04:14:34,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 359 states and 481 transitions. [2021-08-31 04:14:34,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 252 [2021-08-31 04:14:34,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:14:34,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:14:34,821 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:14:34,821 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, 1, 1, 1] [2021-08-31 04:14:34,821 INFO L791 eck$LassoCheckResult]: Stem: 1471#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~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(30);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(9);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 1397#L-1 havoc main_#res;havoc main_#t~ret55, main_~retValue_acc~7, main_~tmp~4;havoc main_~retValue_acc~7;havoc main_~tmp~4; 1398#L1000 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1460#L1008 main_#t~ret55 := valid_product_#res;main_~tmp~4 := main_#t~ret55;havoc main_#t~ret55; 1375#L659 assume 0 != main_~tmp~4; 1376#L631 ~switchedOnBeforeTS~0 := 0; 1345#L161 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1346#L182-1 [2021-08-31 04:14:34,821 INFO L793 eck$LassoCheckResult]: Loop: 1346#L182-1 assume !false; 1455#L694 assume test_~splverifierCounter~0 < 4; 1456#L695 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 1342#L703 assume !(0 != test_~tmp~5); 1344#L703-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 1408#L713 assume !(0 != test_~tmp___0~1); 1338#L713-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 1447#L723 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1330#L731-2 havoc __utac_acc__Specification5_spec__2_#t~ret17;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1331#L891 __utac_acc__Specification5_spec__2_#t~ret17 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17;havoc __utac_acc__Specification5_spec__2_#t~ret17; 1430#L171 assume !(0 != ~pumpRunning~0); 1453#L762 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret61, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 1373#L820 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret60, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1374#L794-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret80, isHighWaterLevel_~retValue_acc~10, isHighWaterLevel_~tmp~9, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~10;havoc isHighWaterLevel_~tmp~9;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1411#L133-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1429#L138-1 isHighWaterLevel_#t~ret80 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~9 := isHighWaterLevel_#t~ret80;havoc isHighWaterLevel_#t~ret80; 1601#L940-3 assume 0 != isHighWaterLevel_~tmp~9;isHighWaterLevel_~tmp___0~2 := 0; 1599#L940-5 isHighWaterLevel_~retValue_acc~10 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~10; 1597#L946-1 processEnvironment__wrappee__highWaterSensor_#t~ret60 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret60;havoc processEnvironment__wrappee__highWaterSensor_#t~ret60; 1595#L798-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 1403#L769 havoc __utac_acc__Specification5_spec__3_#t~ret18, __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 1404#L125 __utac_acc__Specification5_spec__3_#t~ret18 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret18;havoc __utac_acc__Specification5_spec__3_#t~ret18; 1452#L182 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~9;havoc isPumpRunning_~retValue_acc~9;isPumpRunning_~retValue_acc~9 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~9; 1400#L891-1 __utac_acc__Specification5_spec__3_#t~ret19 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret19;havoc __utac_acc__Specification5_spec__3_#t~ret19; 1401#L186 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 1346#L182-1 [2021-08-31 04:14:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:34,822 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 4 times [2021-08-31 04:14:34,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:34,822 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320857871] [2021-08-31 04:14:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:34,822 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:34,841 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:14:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:34,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:14:34,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:34,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1871732579, now seen corresponding path program 1 times [2021-08-31 04:14:34,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:34,866 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920507830] [2021-08-31 04:14:34,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:34,866 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:34,870 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:14:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:34,875 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:14:34,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:14:34,875 INFO L82 PathProgramCache]: Analyzing trace with hash -1935158761, now seen corresponding path program 1 times [2021-08-31 04:14:34,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:14:34,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793334993] [2021-08-31 04:14:34,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:14:34,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:14:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:34,896 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:14:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:14:34,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:15:12,499 WARN L210 SmtUtils]: Spent 37.29s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 04:15:52,157 WARN L210 SmtUtils]: Spent 19.40s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 04:15:52,202 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 04:15:52,203 INFO L158 Benchmark]: Toolchain (without parser) took 81317.56ms. Allocated memory was 60.8MB in the beginning and 111.1MB in the end (delta: 50.3MB). Free memory was 38.8MB in the beginning and 70.0MB in the end (delta: -31.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2021-08-31 04:15:52,204 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:15:52,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.98ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 36.6MB in the end (delta: 2.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:15:52,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.99ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 32.5MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 04:15:52,205 INFO L158 Benchmark]: Boogie Preprocessor took 74.96ms. Allocated memory is still 60.8MB. Free memory was 32.5MB in the beginning and 29.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:15:52,206 INFO L158 Benchmark]: RCFGBuilder took 656.20ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.6MB in the beginning and 40.1MB in the end (delta: -10.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:15:52,206 INFO L158 Benchmark]: BuchiAutomizer took 80092.44ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 39.8MB in the beginning and 70.0MB in the end (delta: -30.2MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2021-08-31 04:15:52,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.98ms. Allocated memory is still 60.8MB. Free memory was 38.7MB in the beginning and 36.6MB in the end (delta: 2.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.99ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 32.5MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.96ms. Allocated memory is still 60.8MB. Free memory was 32.5MB in the beginning and 29.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 656.20ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 29.6MB in the beginning and 40.1MB in the end (delta: -10.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 80092.44ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 39.8MB in the beginning and 70.0MB in the end (delta: -30.2MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 359 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 04:15:52,260 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...