./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product19.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_product19.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 7aede457e3cc4160f15fb079048ccf9716878c27 ................................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:10:05,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:10:05,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:10:05,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:10:05,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:10:05,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:10:05,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:10:05,902 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:10:05,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:10:05,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:10:05,907 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:10:05,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:10:05,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:10:05,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:10:05,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:10:05,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:10:05,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:10:05,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:10:05,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:10:05,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:10:05,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:10:05,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:10:05,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:10:05,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:10:05,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:10:05,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:10:05,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:10:05,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:10:05,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:10:05,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:10:05,940 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:10:05,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:10:05,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:10:05,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:10:05,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:10:05,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:10:05,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:10:05,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:10:05,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:10:05,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:10:05,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:10:05,949 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:10:05,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:10:05,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:10:05,980 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:10:05,980 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:10:05,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:10:05,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:10:05,982 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:10:05,982 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:10:05,983 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:10:05,983 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:10:05,983 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:10:05,984 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:10:05,984 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:10:05,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:10:05,984 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:10:05,984 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:10:05,985 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:10:05,985 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:10:05,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:10:05,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:10:05,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:10:05,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:10:05,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:10:05,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:10:05,986 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:10:05,986 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:10:05,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:10:05,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:10:05,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:10:05,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:10:05,987 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:10:05,987 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:10:05,988 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:10:05,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7aede457e3cc4160f15fb079048ccf9716878c27 [2021-08-31 04:10:06,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:10:06,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:10:06,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:10:06,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:10:06,276 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:10:06,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2021-08-31 04:10:06,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c54459a/62c3318db8034ed2bb4f7bae85c5f3f0/FLAGfc63a9469 [2021-08-31 04:10:06,839 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:10:06,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product19.cil.c [2021-08-31 04:10:06,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c54459a/62c3318db8034ed2bb4f7bae85c5f3f0/FLAGfc63a9469 [2021-08-31 04:10:07,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37c54459a/62c3318db8034ed2bb4f7bae85c5f3f0 [2021-08-31 04:10:07,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:10:07,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:10:07,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:10:07,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:10:07,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:10:07,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166dd621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07, skipping insertion in model container [2021-08-31 04:10:07,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,205 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:10:07,246 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:10:07,380 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_product19.cil.c[4641,4654] [2021-08-31 04:10:07,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:10:07,463 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:10:07,490 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_product19.cil.c[4641,4654] [2021-08-31 04:10:07,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:10:07,523 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:10:07,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07 WrapperNode [2021-08-31 04:10:07,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:10:07,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:10:07,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:10:07,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:10:07,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:10:07,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:10:07,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:10:07,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:10:07,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,586 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:10:07,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:10:07,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:10:07,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:10:07,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (1/1) ... [2021-08-31 04:10:07,603 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:10:07,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:10:07,666 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 04:10:07,737 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 04:10:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:10:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:10:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:10:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:10:08,274 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:10:08,275 INFO L299 CfgBuilder]: Removed 114 assume(true) statements. [2021-08-31 04:10:08,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:10:08 BoogieIcfgContainer [2021-08-31 04:10:08,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:10:08,278 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:10:08,278 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:10:08,281 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:10:08,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:10:08,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:10:07" (1/3) ... [2021-08-31 04:10:08,283 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aaf10c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:10:08, skipping insertion in model container [2021-08-31 04:10:08,283 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:10:08,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:07" (2/3) ... [2021-08-31 04:10:08,284 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aaf10c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:10:08, skipping insertion in model container [2021-08-31 04:10:08,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:10:08,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:10:08" (3/3) ... [2021-08-31 04:10:08,285 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product19.cil.c [2021-08-31 04:10:08,373 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:10:08,373 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:10:08,373 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:10:08,373 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:10:08,374 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:10:08,374 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:10:08,374 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:10:08,374 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:10:08,405 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.5) internal successors, (123), 82 states have internal predecessors, (123), 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 04:10:08,425 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-08-31 04:10:08,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:10:08,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:10:08,433 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:08,433 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:08,433 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:10:08,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 83 states, 82 states have (on average 1.5) internal successors, (123), 82 states have internal predecessors, (123), 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 04:10:08,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2021-08-31 04:10:08,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:10:08,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:10:08,445 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:08,445 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:08,451 INFO L791 eck$LassoCheckResult]: Stem: 67#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 51#L-1true havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 62#L784true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 19#L792true main_#t~ret79 := valid_product_#res;main_~tmp~7 := main_#t~ret79;havoc main_#t~ret79; 9#L929true assume 0 != main_~tmp~7; 68#L905true ~switchedOnBeforeTS~0 := 0; 32#L803true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L824-1true [2021-08-31 04:10:08,452 INFO L793 eck$LassoCheckResult]: Loop: 71#L824-1true assume !false; 50#L58true assume test_~splverifierCounter~0 < 4; 49#L59true test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 65#L67true assume !(0 != test_~tmp~0); 39#L67-1true test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 13#L77true assume !(0 != test_~tmp___0~0); 30#L77-1true test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 73#L87true assume 0 != test_~tmp___2~0; 53#L93-1true havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 77#L219true __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 52#L813true assume !(0 != ~pumpRunning~0); 70#L134true assume !(0 != ~systemActive~0); 55#L141true havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 11#L745true __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 43#L824true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 71#L824-1true [2021-08-31 04:10:08,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:08,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 04:10:08,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:08,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196645469] [2021-08-31 04:10:08,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:08,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:08,627 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:08,733 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:08,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:08,740 INFO L82 PathProgramCache]: Analyzing trace with hash -241953451, now seen corresponding path program 1 times [2021-08-31 04:10:08,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:08,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414636945] [2021-08-31 04:10:08,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:08,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:08,749 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:08,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:08,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:08,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1692071759, now seen corresponding path program 1 times [2021-08-31 04:10:08,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:08,762 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285508879] [2021-08-31 04:10:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:08,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:08,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:10:08,981 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 04:10:08,981 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:10:08,981 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285508879] [2021-08-31 04:10:08,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285508879] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:10:08,982 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:10:08,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:10:08,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282019145] [2021-08-31 04:10:09,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:10:09,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 04:10:09,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 04:10:09,197 INFO L87 Difference]: Start difference. First operand has 83 states, 82 states have (on average 1.5) internal successors, (123), 82 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 04:10:09,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:10:09,893 INFO L93 Difference]: Finished difference Result 217 states and 298 transitions. [2021-08-31 04:10:09,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:10:09,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 217 states and 298 transitions. [2021-08-31 04:10:09,903 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 139 [2021-08-31 04:10:09,906 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 217 states to 196 states and 277 transitions. [2021-08-31 04:10:09,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 196 [2021-08-31 04:10:09,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 196 [2021-08-31 04:10:09,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 196 states and 277 transitions. [2021-08-31 04:10:09,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:10:09,910 INFO L681 BuchiCegarLoop]: Abstraction has 196 states and 277 transitions. [2021-08-31 04:10:09,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states and 277 transitions. [2021-08-31 04:10:09,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 125. [2021-08-31 04:10:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.408) internal successors, (176), 124 states have internal predecessors, (176), 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 04:10:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 176 transitions. [2021-08-31 04:10:09,931 INFO L704 BuchiCegarLoop]: Abstraction has 125 states and 176 transitions. [2021-08-31 04:10:09,932 INFO L587 BuchiCegarLoop]: Abstraction has 125 states and 176 transitions. [2021-08-31 04:10:09,932 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:10:09,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 176 transitions. [2021-08-31 04:10:09,933 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2021-08-31 04:10:09,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:10:09,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:10:09,934 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:09,934 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:09,934 INFO L791 eck$LassoCheckResult]: Stem: 393#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 384#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 385#L784 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 347#L792 main_#t~ret79 := valid_product_#res;main_~tmp~7 := main_#t~ret79;havoc main_#t~ret79; 328#L929 assume 0 != main_~tmp~7; 329#L905 ~switchedOnBeforeTS~0 := 0; 367#L803 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 346#L824-1 [2021-08-31 04:10:09,935 INFO L793 eck$LassoCheckResult]: Loop: 346#L824-1 assume !false; 383#L58 assume test_~splverifierCounter~0 < 4; 381#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 382#L67 assume !(0 != test_~tmp~0); 376#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 336#L77 assume !(0 != test_~tmp___0~0); 338#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 364#L87 assume 0 != test_~tmp___2~0; 380#L93-1 havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 389#L219 __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 386#L813 assume !(0 != ~pumpRunning~0); 388#L134 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 371#L166 assume !(0 != ~pumpRunning~0); 372#L141 havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 332#L745 __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 333#L824 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6); 346#L824-1 [2021-08-31 04:10:09,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:09,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 04:10:09,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:09,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168868860] [2021-08-31 04:10:09,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:09,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:09,962 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:09,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:09,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:09,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1062384515, now seen corresponding path program 1 times [2021-08-31 04:10:09,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:09,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362746476] [2021-08-31 04:10:09,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:09,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:09,999 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,018 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:10,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:10,020 INFO L82 PathProgramCache]: Analyzing trace with hash 887623881, now seen corresponding path program 1 times [2021-08-31 04:10:10,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:10,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81578487] [2021-08-31 04:10:10,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:10,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:10:10,074 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 04:10:10,074 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:10:10,074 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81578487] [2021-08-31 04:10:10,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81578487] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:10:10,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:10:10,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:10:10,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654752452] [2021-08-31 04:10:10,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:10:10,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:10:10,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:10:10,158 INFO L87 Difference]: Start difference. First operand 125 states and 176 transitions. cyclomatic complexity: 54 Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 4 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 04:10:10,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:10:10,741 INFO L93 Difference]: Finished difference Result 338 states and 468 transitions. [2021-08-31 04:10:10,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:10:10,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 338 states and 468 transitions. [2021-08-31 04:10:10,749 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 170 [2021-08-31 04:10:10,751 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 338 states to 338 states and 468 transitions. [2021-08-31 04:10:10,751 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 338 [2021-08-31 04:10:10,751 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 338 [2021-08-31 04:10:10,751 INFO L73 IsDeterministic]: Start isDeterministic. Operand 338 states and 468 transitions. [2021-08-31 04:10:10,752 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:10:10,753 INFO L681 BuchiCegarLoop]: Abstraction has 338 states and 468 transitions. [2021-08-31 04:10:10,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states and 468 transitions. [2021-08-31 04:10:10,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 243. [2021-08-31 04:10:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 243 states have (on average 1.3621399176954732) internal successors, (331), 242 states have internal predecessors, (331), 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 04:10:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 331 transitions. [2021-08-31 04:10:10,776 INFO L704 BuchiCegarLoop]: Abstraction has 243 states and 331 transitions. [2021-08-31 04:10:10,776 INFO L587 BuchiCegarLoop]: Abstraction has 243 states and 331 transitions. [2021-08-31 04:10:10,776 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:10:10,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 243 states and 331 transitions. [2021-08-31 04:10:10,777 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 170 [2021-08-31 04:10:10,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:10:10,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:10:10,778 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:10,778 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:10:10,782 INFO L791 eck$LassoCheckResult]: Stem: 889#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4; 874#L-1 havoc main_#res;havoc main_#t~ret79, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 875#L784 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 831#L792 main_#t~ret79 := valid_product_#res;main_~tmp~7 := main_#t~ret79;havoc main_#t~ret79; 811#L929 assume 0 != main_~tmp~7; 812#L905 ~switchedOnBeforeTS~0 := 0; 853#L803 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 854#L824-1 [2021-08-31 04:10:10,782 INFO L793 eck$LassoCheckResult]: Loop: 854#L824-1 assume !false; 984#L58 assume test_~splverifierCounter~0 < 4; 981#L59 test_~tmp~0 := test_#t~nondet7;havoc test_#t~nondet7; 979#L67 assume !(0 != test_~tmp~0); 978#L67-1 test_~tmp___0~0 := test_#t~nondet8;havoc test_#t~nondet8; 977#L77 assume !(0 != test_~tmp___0~0); 975#L77-1 test_~tmp___2~0 := test_#t~nondet9;havoc test_#t~nondet9; 974#L87 assume 0 != test_~tmp___2~0; 973#L93-1 havoc __utac_acc__Specification5_spec__2_#t~ret76;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 998#L219 __utac_acc__Specification5_spec__2_#t~ret76 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret76;havoc __utac_acc__Specification5_spec__2_#t~ret76; 996#L813 assume !(0 != ~pumpRunning~0); 995#L134 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret11, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 958#L166 assume !(0 != ~pumpRunning~0); 993#L141 havoc __utac_acc__Specification5_spec__3_#t~ret77, __utac_acc__Specification5_spec__3_#t~ret78, __utac_acc__Specification5_spec__3_~tmp~6, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~6;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 992#L745 __utac_acc__Specification5_spec__3_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~6 := __utac_acc__Specification5_spec__3_#t~ret77;havoc __utac_acc__Specification5_spec__3_#t~ret77; 991#L824 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 990#L219-1 __utac_acc__Specification5_spec__3_#t~ret78 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret78;havoc __utac_acc__Specification5_spec__3_#t~ret78; 989#L828 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 854#L824-1 [2021-08-31 04:10:10,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:10,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 04:10:10,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:10,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244401802] [2021-08-31 04:10:10,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:10,784 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,822 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,861 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:10,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:10,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1250711394, now seen corresponding path program 1 times [2021-08-31 04:10:10,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:10,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313745846] [2021-08-31 04:10:10,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:10,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,866 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:10,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,871 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:10,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:10:10,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1691956124, now seen corresponding path program 1 times [2021-08-31 04:10:10,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:10:10,872 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275795133] [2021-08-31 04:10:10,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:10:10,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:10:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,927 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:10:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:10:10,963 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:10:55,447 WARN L210 SmtUtils]: Spent 44.33s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 04:11:37,154 WARN L210 SmtUtils]: Spent 20.05s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 04:11:37,249 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 04:11:37,251 INFO L158 Benchmark]: Toolchain (without parser) took 90061.45ms. Allocated memory was 60.8MB in the beginning and 119.5MB in the end (delta: 58.7MB). Free memory was 44.8MB in the beginning and 44.1MB in the end (delta: 749.7kB). Peak memory consumption was 81.1MB. Max. memory is 16.1GB. [2021-08-31 04:11:37,251 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:11:37,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.67ms. Allocated memory is still 60.8MB. Free memory was 44.7MB in the beginning and 38.1MB in the end (delta: 6.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:11:37,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.26ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 35.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:11:37,252 INFO L158 Benchmark]: Boogie Preprocessor took 27.46ms. Allocated memory is still 60.8MB. Free memory was 35.1MB in the beginning and 32.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 04:11:37,253 INFO L158 Benchmark]: RCFGBuilder took 680.85ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 32.8MB in the beginning and 56.6MB in the end (delta: -23.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-08-31 04:11:37,253 INFO L158 Benchmark]: BuchiAutomizer took 88972.48ms. Allocated memory was 75.5MB in the beginning and 119.5MB in the end (delta: 44.0MB). Free memory was 56.3MB in the beginning and 44.1MB in the end (delta: 12.2MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. [2021-08-31 04:11:37,255 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.67ms. Allocated memory is still 60.8MB. Free memory was 44.7MB in the beginning and 38.1MB in the end (delta: 6.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.26ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 35.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.46ms. Allocated memory is still 60.8MB. Free memory was 35.1MB in the beginning and 32.8MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 680.85ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 32.8MB in the beginning and 56.6MB in the end (delta: -23.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 88972.48ms. Allocated memory was 75.5MB in the beginning and 119.5MB in the end (delta: 44.0MB). Free memory was 56.3MB in the beginning and 44.1MB in the end (delta: 12.2MB). Peak memory consumption was 77.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 243 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 04:11:37,287 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...