./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product25.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_product25.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 b851c52b7518c206973c66938f52b25161fa3714 ............................................................................................................................................................................................................................................................................................................................................................................................................ 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 04:10:59,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:10:59,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:10:59,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:10:59,119 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:10:59,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:10:59,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:10:59,127 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:10:59,128 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:10:59,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:10:59,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:10:59,133 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:10:59,133 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:10:59,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:10:59,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:10:59,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:10:59,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:10:59,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:10:59,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:10:59,147 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:10:59,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:10:59,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:10:59,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:10:59,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:10:59,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:10:59,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:10:59,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:10:59,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:10:59,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:10:59,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:10:59,158 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:10:59,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:10:59,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:10:59,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:10:59,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:10:59,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:10:59,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:10:59,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:10:59,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:10:59,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:10:59,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:10:59,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:10:59,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:10:59,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:10:59,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:10:59,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:10:59,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:10:59,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:10:59,197 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:10:59,197 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:10:59,197 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:10:59,197 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:10:59,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:10:59,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:10:59,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:10:59,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:10:59,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:10:59,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:10:59,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:10:59,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:10:59,210 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:10:59,210 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:10:59,211 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:10:59,211 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b851c52b7518c206973c66938f52b25161fa3714 [2021-08-31 04:10:59,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:10:59,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:10:59,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:10:59,480 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:10:59,480 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:10:59,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c [2021-08-31 04:10:59,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2206646b/eb88465583fb4c62af4bb98b7584d616/FLAG5966d711b [2021-08-31 04:10:59,925 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:10:59,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product25.cil.c [2021-08-31 04:10:59,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2206646b/eb88465583fb4c62af4bb98b7584d616/FLAG5966d711b [2021-08-31 04:10:59,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2206646b/eb88465583fb4c62af4bb98b7584d616 [2021-08-31 04:10:59,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:10:59,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:10:59,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:10:59,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:10:59,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:10:59,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:10:59" (1/1) ... [2021-08-31 04:10:59,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40570ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:10:59, skipping insertion in model container [2021-08-31 04:10:59,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:10:59" (1/1) ... [2021-08-31 04:10:59,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:11:00,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:11:00,137 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_product25.cil.c[1817,1830] [2021-08-31 04:11:00,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:11:00,264 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:11:00,277 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_product25.cil.c[1817,1830] [2021-08-31 04:11:00,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:11:00,385 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:11:00,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00 WrapperNode [2021-08-31 04:11:00,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:11:00,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:11:00,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:11:00,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:11:00,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,426 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:11:00,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:11:00,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:11:00,504 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:11:00,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,527 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,544 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,568 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:11:00,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:11:00,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:11:00,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:11:00,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (1/1) ... [2021-08-31 04:11:00,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:11:00,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:11:00,629 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 04:11:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:11:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:11:00,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:11:00,649 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 04:11:00,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:11:01,032 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:11:01,033 INFO L299 CfgBuilder]: Removed 110 assume(true) statements. [2021-08-31 04:11:01,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:11:01 BoogieIcfgContainer [2021-08-31 04:11:01,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:11:01,035 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:11:01,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:11:01,036 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:11:01,037 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:11:01,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:10:59" (1/3) ... [2021-08-31 04:11:01,038 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38029234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:11:01, skipping insertion in model container [2021-08-31 04:11:01,038 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:11:01,038 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:11:00" (2/3) ... [2021-08-31 04:11:01,039 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38029234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:11:01, skipping insertion in model container [2021-08-31 04:11:01,039 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:11:01,039 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:11:01" (3/3) ... [2021-08-31 04:11:01,040 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product25.cil.c [2021-08-31 04:11:01,079 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:11:01,079 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:11:01,079 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:11:01,079 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:11:01,079 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:11:01,079 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:11:01,080 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:11:01,080 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:11:01,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.5) internal successors, (120), 80 states have internal predecessors, (120), 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 04:11:01,106 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-08-31 04:11:01,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:11:01,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:11:01,110 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:11:01,110 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:11:01,110 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:11:01,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.5) internal successors, (120), 80 states have internal predecessors, (120), 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 04:11:01,114 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-08-31 04:11:01,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:11:01,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:11:01,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:11:01,115 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:11:01,124 INFO L791 eck$LassoCheckResult]: Stem: 68#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 56#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 67#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 77#L75true main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 52#L425true assume 0 != main_~tmp~4; 13#L400true ~switchedOnBeforeTS~0 := 0; 79#L901true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L922-1true [2021-08-31 04:11:01,124 INFO L793 eck$LassoCheckResult]: Loop: 16#L922-1true assume !false; 81#L287true assume test_~splverifierCounter~0 < 4; 39#L288true test_~tmp~3 := test_#t~nondet28;havoc test_#t~nondet28; 69#L296true assume !(0 != test_~tmp~3); 7#L296-1true test_~tmp___0~1 := test_#t~nondet29;havoc test_#t~nondet29; 78#L306true assume !(0 != test_~tmp___0~1); 63#L306-1true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 62#L316true assume 0 != test_~tmp___2~0; 8#L322-2true havoc __utac_acc__Specification5_spec__2_#t~ret78;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 73#L213true __utac_acc__Specification5_spec__2_#t~ret78 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret78;havoc __utac_acc__Specification5_spec__2_#t~ret78; 71#L911true assume !(0 != ~pumpRunning~0); 5#L110true assume !(0 != ~systemActive~0); 10#L117true havoc __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_#t~ret80, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;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; 57#L515true __utac_acc__Specification5_spec__3_#t~ret79 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret79;havoc __utac_acc__Specification5_spec__3_#t~ret79; 70#L922true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 16#L922-1true [2021-08-31 04:11:01,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:01,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 04:11:01,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:01,133 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277088571] [2021-08-31 04:11:01,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:01,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:01,326 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:01,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:01,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:01,439 INFO L82 PathProgramCache]: Analyzing trace with hash 94196908, now seen corresponding path program 1 times [2021-08-31 04:11:01,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:01,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020891993] [2021-08-31 04:11:01,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:01,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:01,449 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:01,467 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:01,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:01,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2028222118, now seen corresponding path program 1 times [2021-08-31 04:11:01,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:01,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197732908] [2021-08-31 04:11:01,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:01,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:11:01,598 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 04:11:01,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:11:01,599 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197732908] [2021-08-31 04:11:01,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197732908] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:11:01,600 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:11:01,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:11:01,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079789580] [2021-08-31 04:11:01,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:11:01,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 04:11:01,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 04:11:01,754 INFO L87 Difference]: Start difference. First operand has 81 states, 80 states have (on average 1.5) internal successors, (120), 80 states have internal predecessors, (120), 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 04:11:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:11:01,987 INFO L93 Difference]: Finished difference Result 81 states and 109 transitions. [2021-08-31 04:11:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 04:11:01,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 109 transitions. [2021-08-31 04:11:01,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-08-31 04:11:02,002 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 74 states and 102 transitions. [2021-08-31 04:11:02,002 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2021-08-31 04:11:02,003 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2021-08-31 04:11:02,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 102 transitions. [2021-08-31 04:11:02,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:11:02,004 INFO L681 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-08-31 04:11:02,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 102 transitions. [2021-08-31 04:11:02,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2021-08-31 04:11:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 73 states have internal predecessors, (102), 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 04:11:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2021-08-31 04:11:02,027 INFO L704 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-08-31 04:11:02,027 INFO L587 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2021-08-31 04:11:02,028 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:11:02,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 102 transitions. [2021-08-31 04:11:02,030 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2021-08-31 04:11:02,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:11:02,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:11:02,031 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:11:02,031 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 04:11:02,031 INFO L791 eck$LassoCheckResult]: Stem: 251#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 245#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 246#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 250#L75 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 240#L425 assume 0 != main_~tmp~4; 198#L400 ~switchedOnBeforeTS~0 := 0; 199#L901 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 203#L922-1 [2021-08-31 04:11:02,031 INFO L793 eck$LassoCheckResult]: Loop: 203#L922-1 assume !false; 204#L287 assume test_~splverifierCounter~0 < 4; 229#L288 test_~tmp~3 := test_#t~nondet28;havoc test_#t~nondet28; 230#L296 assume !(0 != test_~tmp~3); 187#L296-1 test_~tmp___0~1 := test_#t~nondet29;havoc test_#t~nondet29; 188#L306 assume !(0 != test_~tmp___0~1); 243#L306-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 247#L316 assume 0 != test_~tmp___2~0; 189#L322-2 havoc __utac_acc__Specification5_spec__2_#t~ret78;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 190#L213 __utac_acc__Specification5_spec__2_#t~ret78 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret78;havoc __utac_acc__Specification5_spec__2_#t~ret78; 252#L911 assume !(0 != ~pumpRunning~0); 182#L110 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 183#L142 assume !(0 != ~pumpRunning~0); 193#L117 havoc __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_#t~ret80, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;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; 194#L515 __utac_acc__Specification5_spec__3_#t~ret79 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret79;havoc __utac_acc__Specification5_spec__3_#t~ret79; 244#L922 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 203#L922-1 [2021-08-31 04:11:02,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:02,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 04:11:02,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:02,032 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042691685] [2021-08-31 04:11:02,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:02,032 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,083 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:02,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:02,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1401856253, now seen corresponding path program 1 times [2021-08-31 04:11:02,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:02,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433709887] [2021-08-31 04:11:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:02,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,128 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,139 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:02,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:02,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1576616887, now seen corresponding path program 1 times [2021-08-31 04:11:02,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:02,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104817456] [2021-08-31 04:11:02,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:02,140 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:11:02,179 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 04:11:02,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:11:02,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104817456] [2021-08-31 04:11:02,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104817456] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:11:02,180 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:11:02,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:11:02,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705620125] [2021-08-31 04:11:02,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:11:02,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 04:11:02,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 04:11:02,268 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. cyclomatic complexity: 30 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 04:11:02,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:11:02,758 INFO L93 Difference]: Finished difference Result 210 states and 288 transitions. [2021-08-31 04:11:02,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:11:02,759 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 288 transitions. [2021-08-31 04:11:02,761 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 95 [2021-08-31 04:11:02,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 288 transitions. [2021-08-31 04:11:02,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2021-08-31 04:11:02,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2021-08-31 04:11:02,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 288 transitions. [2021-08-31 04:11:02,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:11:02,764 INFO L681 BuchiCegarLoop]: Abstraction has 210 states and 288 transitions. [2021-08-31 04:11:02,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 288 transitions. [2021-08-31 04:11:02,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 141. [2021-08-31 04:11:02,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.3475177304964538) internal successors, (190), 140 states have internal predecessors, (190), 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 04:11:02,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 190 transitions. [2021-08-31 04:11:02,770 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 190 transitions. [2021-08-31 04:11:02,770 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 190 transitions. [2021-08-31 04:11:02,770 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:11:02,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 190 transitions. [2021-08-31 04:11:02,771 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 95 [2021-08-31 04:11:02,771 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:11:02,771 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:11:02,771 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:11:02,772 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 04:11:02,772 INFO L791 eck$LassoCheckResult]: Stem: 563#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string18.base, #t~string18.offset, 1);call write~init~int(80, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(117, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(109, #t~string18.base, 3 + #t~string18.offset, 1);call write~init~int(112, #t~string18.base, 4 + #t~string18.offset, 1);call write~init~int(58, #t~string18.base, 5 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 6 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string24.base, #t~string24.offset, 1);call write~init~int(32, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string26.base, #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 1 + #t~string26.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 553#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~5, main_~tmp~4;havoc main_~retValue_acc~5;havoc main_~tmp~4; 554#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 562#L75 main_#t~ret32 := valid_product_#res;main_~tmp~4 := main_#t~ret32;havoc main_#t~ret32; 549#L425 assume 0 != main_~tmp~4; 499#L400 ~switchedOnBeforeTS~0 := 0; 500#L901 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 504#L922-1 [2021-08-31 04:11:02,772 INFO L793 eck$LassoCheckResult]: Loop: 504#L922-1 assume !false; 505#L287 assume test_~splverifierCounter~0 < 4; 533#L288 test_~tmp~3 := test_#t~nondet28;havoc test_#t~nondet28; 534#L296 assume !(0 != test_~tmp~3); 620#L296-1 test_~tmp___0~1 := test_#t~nondet29;havoc test_#t~nondet29; 619#L306 assume !(0 != test_~tmp___0~1); 617#L306-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 614#L316 assume 0 != test_~tmp___2~0; 612#L322-2 havoc __utac_acc__Specification5_spec__2_#t~ret78;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 611#L213 __utac_acc__Specification5_spec__2_#t~ret78 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret78;havoc __utac_acc__Specification5_spec__2_#t~ret78; 610#L911 assume !(0 != ~pumpRunning~0); 609#L110 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 607#L142 assume !(0 != ~pumpRunning~0); 606#L117 havoc __utac_acc__Specification5_spec__3_#t~ret79, __utac_acc__Specification5_spec__3_#t~ret80, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;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; 605#L515 __utac_acc__Specification5_spec__3_#t~ret79 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret79;havoc __utac_acc__Specification5_spec__3_#t~ret79; 566#L922 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~3;havoc isPumpRunning_~retValue_acc~3;isPumpRunning_~retValue_acc~3 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~3; 567#L213-1 __utac_acc__Specification5_spec__3_#t~ret80 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret80;havoc __utac_acc__Specification5_spec__3_#t~ret80; 542#L926 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 504#L922-1 [2021-08-31 04:11:02,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:02,772 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 04:11:02,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:02,773 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681678053] [2021-08-31 04:11:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:02,773 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,797 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,817 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:02,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:02,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1435857662, now seen corresponding path program 1 times [2021-08-31 04:11:02,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:02,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424962225] [2021-08-31 04:11:02,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:02,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,820 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:02,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:11:02,824 INFO L82 PathProgramCache]: Analyzing trace with hash 994612932, now seen corresponding path program 1 times [2021-08-31 04:11:02,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:11:02,824 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219514630] [2021-08-31 04:11:02,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:11:02,824 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:11:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,838 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:11:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:11:02,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:11:41,168 WARN L210 SmtUtils]: Spent 38.18s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 04:12:22,041 WARN L210 SmtUtils]: Spent 20.26s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 04:12:22,105 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 04:12:22,106 INFO L158 Benchmark]: Toolchain (without parser) took 82149.20ms. Allocated memory was 54.5MB in the beginning and 107.0MB in the end (delta: 52.4MB). Free memory was 32.1MB in the beginning and 62.6MB in the end (delta: -30.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2021-08-31 04:12:22,106 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:12:22,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.27ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 48.5MB in the end (delta: -16.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 04:12:22,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.53ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 45.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:12:22,107 INFO L158 Benchmark]: Boogie Preprocessor took 66.82ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 43.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:12:22,108 INFO L158 Benchmark]: RCFGBuilder took 463.17ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 44.7MB in the end (delta: -1.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-08-31 04:12:22,108 INFO L158 Benchmark]: BuchiAutomizer took 81070.72ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 44.3MB in the beginning and 62.6MB in the end (delta: -18.2MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2021-08-31 04:12:22,110 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.1MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.27ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 48.5MB in the end (delta: -16.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.53ms. Allocated memory is still 73.4MB. Free memory was 48.5MB in the beginning and 45.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.82ms. Allocated memory is still 73.4MB. Free memory was 45.5MB in the beginning and 43.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.17ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 44.7MB in the end (delta: -1.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 81070.72ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 44.3MB in the beginning and 62.6MB in the end (delta: -18.2MB). Peak memory consumption was 60.1MB. 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 141 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 04:12:22,151 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...