./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product60.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 b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:19:00,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:19:00,624 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:19:00,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:19:00,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:19:00,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:19:00,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:19:00,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:19:00,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:19:00,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:19:00,680 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:19:00,681 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:19:00,681 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:19:00,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:19:00,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:19:00,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:19:00,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:19:00,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:19:00,691 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:19:00,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:19:00,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:19:00,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:19:00,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:19:00,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:19:00,701 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:19:00,701 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:19:00,701 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:19:00,702 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:19:00,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:19:00,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:19:00,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:19:00,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:19:00,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:19:00,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:19:00,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:19:00,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:19:00,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:19:00,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:19:00,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:19:00,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:19:00,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:19:00,711 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:19:00,729 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:19:00,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:19:00,732 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:19:00,732 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:19:00,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:19:00,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:19:00,734 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:19:00,734 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:19:00,734 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:19:00,734 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:19:00,735 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:19:00,735 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:19:00,735 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:19:00,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:19:00,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:19:00,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:19:00,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:19:00,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:19:00,737 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:19:00,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:19:00,737 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:19:00,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:19:00,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:19:00,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:19:00,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:19:00,739 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:19:00,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b57a794fa6b429f14911ed2b6a28ecb30bf580e5cb37ae05e7120c2d485c2d18 [2022-02-21 04:19:00,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:19:00,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:19:00,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:19:00,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:19:00,979 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:19:00,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2022-02-21 04:19:01,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cc34fbb/9c5cdf74bff64f6f814860e4269a8e17/FLAG138769050 [2022-02-21 04:19:01,595 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:19:01,596 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product60.cil.c [2022-02-21 04:19:01,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cc34fbb/9c5cdf74bff64f6f814860e4269a8e17/FLAG138769050 [2022-02-21 04:19:02,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7cc34fbb/9c5cdf74bff64f6f814860e4269a8e17 [2022-02-21 04:19:02,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:19:02,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:19:02,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:02,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:19:02,025 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:19:02,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5996e0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02, skipping insertion in model container [2022-02-21 04:19:02,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:19:02,104 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:19:02,551 WARN L230 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_product60.cil.c[18075,18088] [2022-02-21 04:19:02,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:02,586 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:19:02,677 WARN L230 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_product60.cil.c[18075,18088] [2022-02-21 04:19:02,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:02,741 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:19:02,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02 WrapperNode [2022-02-21 04:19:02,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:02,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:02,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:19:02,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:19:02,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,868 INFO L137 Inliner]: procedures = 60, calls = 162, calls flagged for inlining = 59, calls inlined = 105, statements flattened = 775 [2022-02-21 04:19:02,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:02,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:19:02,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:19:02,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:19:02,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,891 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:19:02,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:19:02,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:19:02,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:19:02,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (1/1) ... [2022-02-21 04:19:02,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:02,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:03,003 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) [2022-02-21 04:19:03,025 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 [2022-02-21 04:19:03,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:19:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:19:03,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:19:03,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:19:03,119 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:19:03,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:19:03,522 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:19:03,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:19:03,530 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:19:03,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:03 BoogieIcfgContainer [2022-02-21 04:19:03,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:19:03,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:19:03,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:19:03,536 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:19:03,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:03,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:19:02" (1/3) ... [2022-02-21 04:19:03,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4979371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:19:03, skipping insertion in model container [2022-02-21 04:19:03,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:03,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02" (2/3) ... [2022-02-21 04:19:03,537 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4979371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:19:03, skipping insertion in model container [2022-02-21 04:19:03,537 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:03,538 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:03" (3/3) ... [2022-02-21 04:19:03,538 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product60.cil.c [2022-02-21 04:19:03,574 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:19:03,574 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:19:03,574 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:19:03,574 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:19:03,574 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:19:03,574 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:19:03,575 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:19:03,575 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:19:03,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 201 states, 200 states have (on average 1.355) internal successors, (271), 200 states have internal predecessors, (271), 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) [2022-02-21 04:19:03,648 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2022-02-21 04:19:03,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:03,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:03,653 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,653 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,653 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:19:03,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 201 states, 200 states have (on average 1.355) internal successors, (271), 200 states have internal predecessors, (271), 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) [2022-02-21 04:19:03,669 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 131 [2022-02-21 04:19:03,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:03,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:03,670 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,670 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,674 INFO L791 eck$LassoCheckResult]: Stem: 192#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 133#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 189#L916true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 38#L909true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 166#L924true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 129#L880true assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 26#L853true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 108#L385true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 88#L318-2true [2022-02-21 04:19:03,674 INFO L793 eck$LassoCheckResult]: Loop: 88#L318-2true assume !false; 201#L319true assume test_~splverifierCounter~0#1 < 4; 53#L320true test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 176#L328true assume !(0 != test_~tmp~5#1); 43#L328-2true test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 35#L338true assume !(0 != test_~tmp___0~2#1); 47#L338-2true test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 184#L348true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 170#L356true assume !(0 != test_~tmp___1~0#1); 58#L356-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 20#L203true __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 165#L395true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 154#L74true assume !(0 != ~pumpRunning~0); 73#L74-2true assume !(0 != ~systemActive~0); 4#L81-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 95#L1013true __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 132#L406true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 80#L406-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 119#L91true assume { :end_inline_timeShift } true; 88#L318-2true [2022-02-21 04:19:03,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:03,678 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:19:03,684 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:03,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771387525] [2022-02-21 04:19:03,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:03,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,788 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,846 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:03,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:03,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1215613223, now seen corresponding path program 1 times [2022-02-21 04:19:03,850 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:03,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373054235] [2022-02-21 04:19:03,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:03,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,868 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:03,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,875 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:03,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash 214135120, now seen corresponding path program 1 times [2022-02-21 04:19:03,876 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:03,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303195105] [2022-02-21 04:19:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:03,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:03,990 INFO L290 TraceCheckUtils]: 0: Hoare triple {209#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {211#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:19:03,991 INFO L290 TraceCheckUtils]: 1: Hoare triple {211#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; {211#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:19:03,991 INFO L290 TraceCheckUtils]: 2: Hoare triple {211#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {211#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:19:03,992 INFO L290 TraceCheckUtils]: 3: Hoare triple {211#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {212#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:19:03,993 INFO L290 TraceCheckUtils]: 4: Hoare triple {212#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {213#(= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)} is VALID [2022-02-21 04:19:03,993 INFO L290 TraceCheckUtils]: 5: Hoare triple {213#(= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0)} assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,994 INFO L290 TraceCheckUtils]: 6: Hoare triple {214#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,994 INFO L290 TraceCheckUtils]: 7: Hoare triple {214#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,996 INFO L290 TraceCheckUtils]: 8: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !false; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,997 INFO L290 TraceCheckUtils]: 9: Hoare triple {214#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,998 INFO L290 TraceCheckUtils]: 10: Hoare triple {214#(not (= 0 ~systemActive~0))} test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,998 INFO L290 TraceCheckUtils]: 11: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~5#1); {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,999 INFO L290 TraceCheckUtils]: 12: Hoare triple {214#(not (= 0 ~systemActive~0))} test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,000 INFO L290 TraceCheckUtils]: 13: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2#1); {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,000 INFO L290 TraceCheckUtils]: 14: Hoare triple {214#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,000 INFO L290 TraceCheckUtils]: 15: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,001 INFO L290 TraceCheckUtils]: 16: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~0#1); {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,001 INFO L290 TraceCheckUtils]: 17: Hoare triple {214#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,003 INFO L290 TraceCheckUtils]: 18: Hoare triple {214#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,004 INFO L290 TraceCheckUtils]: 19: Hoare triple {214#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,004 INFO L290 TraceCheckUtils]: 20: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {214#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:04,004 INFO L290 TraceCheckUtils]: 21: Hoare triple {214#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {210#false} is VALID [2022-02-21 04:19:04,005 INFO L290 TraceCheckUtils]: 22: Hoare triple {210#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; {210#false} is VALID [2022-02-21 04:19:04,005 INFO L290 TraceCheckUtils]: 23: Hoare triple {210#false} __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; {210#false} is VALID [2022-02-21 04:19:04,005 INFO L290 TraceCheckUtils]: 24: Hoare triple {210#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {210#false} is VALID [2022-02-21 04:19:04,006 INFO L290 TraceCheckUtils]: 25: Hoare triple {210#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {210#false} is VALID [2022-02-21 04:19:04,006 INFO L290 TraceCheckUtils]: 26: Hoare triple {210#false} assume { :end_inline_timeShift } true; {210#false} is VALID [2022-02-21 04:19:04,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:19:04,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:04,008 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303195105] [2022-02-21 04:19:04,008 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303195105] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:04,008 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:04,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:19:04,009 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714254882] [2022-02-21 04:19:04,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:04,145 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:04,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:19:04,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:19:04,165 INFO L87 Difference]: Start difference. First operand has 201 states, 200 states have (on average 1.355) internal successors, (271), 200 states have internal predecessors, (271), 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 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-02-21 04:19:05,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:05,225 INFO L93 Difference]: Finished difference Result 649 states and 849 transitions. [2022-02-21 04:19:05,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:19:05,227 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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) [2022-02-21 04:19:05,251 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:05,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 649 states and 849 transitions. [2022-02-21 04:19:05,279 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 424 [2022-02-21 04:19:05,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 649 states to 609 states and 809 transitions. [2022-02-21 04:19:05,302 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 609 [2022-02-21 04:19:05,302 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 609 [2022-02-21 04:19:05,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 609 states and 809 transitions. [2022-02-21 04:19:05,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:05,305 INFO L681 BuchiCegarLoop]: Abstraction has 609 states and 809 transitions. [2022-02-21 04:19:05,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states and 809 transitions. [2022-02-21 04:19:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 249. [2022-02-21 04:19:05,331 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:05,333 INFO L82 GeneralOperation]: Start isEquivalent. First operand 609 states and 809 transitions. Second operand has 249 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 248 states have internal predecessors, (330), 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) [2022-02-21 04:19:05,333 INFO L74 IsIncluded]: Start isIncluded. First operand 609 states and 809 transitions. Second operand has 249 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 248 states have internal predecessors, (330), 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) [2022-02-21 04:19:05,335 INFO L87 Difference]: Start difference. First operand 609 states and 809 transitions. Second operand has 249 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 248 states have internal predecessors, (330), 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) [2022-02-21 04:19:05,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:05,358 INFO L93 Difference]: Finished difference Result 609 states and 809 transitions. [2022-02-21 04:19:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 809 transitions. [2022-02-21 04:19:05,361 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:05,361 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:05,362 INFO L74 IsIncluded]: Start isIncluded. First operand has 249 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 248 states have internal predecessors, (330), 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 609 states and 809 transitions. [2022-02-21 04:19:05,362 INFO L87 Difference]: Start difference. First operand has 249 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 248 states have internal predecessors, (330), 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 609 states and 809 transitions. [2022-02-21 04:19:05,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:05,377 INFO L93 Difference]: Finished difference Result 609 states and 809 transitions. [2022-02-21 04:19:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 809 transitions. [2022-02-21 04:19:05,380 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:05,380 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:05,380 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:05,380 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 249 states have (on average 1.3253012048192772) internal successors, (330), 248 states have internal predecessors, (330), 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) [2022-02-21 04:19:05,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 330 transitions. [2022-02-21 04:19:05,386 INFO L704 BuchiCegarLoop]: Abstraction has 249 states and 330 transitions. [2022-02-21 04:19:05,386 INFO L587 BuchiCegarLoop]: Abstraction has 249 states and 330 transitions. [2022-02-21 04:19:05,387 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:19:05,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 249 states and 330 transitions. [2022-02-21 04:19:05,388 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 173 [2022-02-21 04:19:05,388 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:05,388 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:05,389 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:05,389 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:05,389 INFO L791 eck$LassoCheckResult]: Stem: 1053#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 968#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 969#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 991#L909 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 992#L924 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 958#L880 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 959#L853 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 904#L385 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 905#L318-2 [2022-02-21 04:19:05,389 INFO L793 eck$LassoCheckResult]: Loop: 905#L318-2 assume !false; 1055#L319 assume test_~splverifierCounter~0#1 < 4; 1030#L320 test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1031#L328 assume !(0 != test_~tmp~5#1); 1013#L328-2 test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 986#L338 assume !(0 != test_~tmp___0~2#1); 987#L338-2 test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1022#L348 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1041#L301 assume { :end_inline_startSystem } true; 1035#L356-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 944#L203 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 945#L395 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1017#L74 assume !(0 != ~pumpRunning~0); 1018#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1049#L132 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 982#L106-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 983#L98-3 assume { :end_inline_processEnvironment__wrappee__base } true; 879#L106-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 880#L132-1 assume { :end_inline_processEnvironment } true; 877#L81-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 878#L1013 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 965#L406 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 967#L406-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 938#L91 assume { :end_inline_timeShift } true; 905#L318-2 [2022-02-21 04:19:05,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:05,390 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:19:05,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:05,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673046662] [2022-02-21 04:19:05,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:05,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:05,400 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:05,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:05,409 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:05,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:05,410 INFO L85 PathProgramCache]: Analyzing trace with hash -649089561, now seen corresponding path program 1 times [2022-02-21 04:19:05,410 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:05,410 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975783279] [2022-02-21 04:19:05,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:05,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:05,423 INFO L290 TraceCheckUtils]: 0: Hoare triple {2340#true} assume !false; {2340#true} is VALID [2022-02-21 04:19:05,423 INFO L290 TraceCheckUtils]: 1: Hoare triple {2340#true} assume test_~splverifierCounter~0#1 < 4; {2340#true} is VALID [2022-02-21 04:19:05,424 INFO L290 TraceCheckUtils]: 2: Hoare triple {2340#true} test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {2340#true} is VALID [2022-02-21 04:19:05,424 INFO L290 TraceCheckUtils]: 3: Hoare triple {2340#true} assume !(0 != test_~tmp~5#1); {2340#true} is VALID [2022-02-21 04:19:05,424 INFO L290 TraceCheckUtils]: 4: Hoare triple {2340#true} test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; {2340#true} is VALID [2022-02-21 04:19:05,424 INFO L290 TraceCheckUtils]: 5: Hoare triple {2340#true} assume !(0 != test_~tmp___0~2#1); {2340#true} is VALID [2022-02-21 04:19:05,424 INFO L290 TraceCheckUtils]: 6: Hoare triple {2340#true} test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; {2340#true} is VALID [2022-02-21 04:19:05,425 INFO L290 TraceCheckUtils]: 7: Hoare triple {2340#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2340#true} is VALID [2022-02-21 04:19:05,425 INFO L290 TraceCheckUtils]: 8: Hoare triple {2340#true} assume { :end_inline_startSystem } true; {2340#true} is VALID [2022-02-21 04:19:05,425 INFO L290 TraceCheckUtils]: 9: Hoare triple {2340#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {2340#true} is VALID [2022-02-21 04:19:05,425 INFO L290 TraceCheckUtils]: 10: Hoare triple {2340#true} __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; {2340#true} is VALID [2022-02-21 04:19:05,425 INFO L290 TraceCheckUtils]: 11: Hoare triple {2340#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {2340#true} is VALID [2022-02-21 04:19:05,426 INFO L290 TraceCheckUtils]: 12: Hoare triple {2340#true} assume !(0 != ~pumpRunning~0); {2342#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:19:05,426 INFO L290 TraceCheckUtils]: 13: Hoare triple {2342#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {2342#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:19:05,426 INFO L290 TraceCheckUtils]: 14: Hoare triple {2342#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; {2342#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:19:05,427 INFO L290 TraceCheckUtils]: 15: Hoare triple {2342#(= ~pumpRunning~0 0)} assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {2341#false} is VALID [2022-02-21 04:19:05,427 INFO L290 TraceCheckUtils]: 16: Hoare triple {2341#false} assume { :end_inline_processEnvironment__wrappee__base } true; {2341#false} is VALID [2022-02-21 04:19:05,427 INFO L290 TraceCheckUtils]: 17: Hoare triple {2341#false} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {2341#false} is VALID [2022-02-21 04:19:05,427 INFO L290 TraceCheckUtils]: 18: Hoare triple {2341#false} assume { :end_inline_processEnvironment } true; {2341#false} is VALID [2022-02-21 04:19:05,427 INFO L290 TraceCheckUtils]: 19: Hoare triple {2341#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; {2341#false} is VALID [2022-02-21 04:19:05,428 INFO L290 TraceCheckUtils]: 20: Hoare triple {2341#false} __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; {2341#false} is VALID [2022-02-21 04:19:05,428 INFO L290 TraceCheckUtils]: 21: Hoare triple {2341#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {2341#false} is VALID [2022-02-21 04:19:05,428 INFO L290 TraceCheckUtils]: 22: Hoare triple {2341#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {2341#false} is VALID [2022-02-21 04:19:05,428 INFO L290 TraceCheckUtils]: 23: Hoare triple {2341#false} assume { :end_inline_timeShift } true; {2341#false} is VALID [2022-02-21 04:19:05,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:19:05,428 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:05,429 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975783279] [2022-02-21 04:19:05,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975783279] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:05,429 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:05,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:19:05,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886206932] [2022-02-21 04:19:05,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:05,430 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:19:05,430 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:05,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:19:05,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:19:05,431 INFO L87 Difference]: Start difference. First operand 249 states and 330 transitions. cyclomatic complexity: 84 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-02-21 04:19:05,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:05,656 INFO L93 Difference]: Finished difference Result 315 states and 400 transitions. [2022-02-21 04:19:05,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:19:05,656 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-02-21 04:19:05,672 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:05,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 315 states and 400 transitions. [2022-02-21 04:19:05,679 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2022-02-21 04:19:05,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 315 states to 315 states and 400 transitions. [2022-02-21 04:19:05,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 315 [2022-02-21 04:19:05,685 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 315 [2022-02-21 04:19:05,685 INFO L73 IsDeterministic]: Start isDeterministic. Operand 315 states and 400 transitions. [2022-02-21 04:19:05,686 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:05,686 INFO L681 BuchiCegarLoop]: Abstraction has 315 states and 400 transitions. [2022-02-21 04:19:05,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states and 400 transitions. [2022-02-21 04:19:05,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2022-02-21 04:19:05,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:05,692 INFO L82 GeneralOperation]: Start isEquivalent. First operand 315 states and 400 transitions. Second operand has 315 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 314 states have internal predecessors, (400), 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) [2022-02-21 04:19:05,692 INFO L74 IsIncluded]: Start isIncluded. First operand 315 states and 400 transitions. Second operand has 315 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 314 states have internal predecessors, (400), 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) [2022-02-21 04:19:05,693 INFO L87 Difference]: Start difference. First operand 315 states and 400 transitions. Second operand has 315 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 314 states have internal predecessors, (400), 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) [2022-02-21 04:19:05,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:05,699 INFO L93 Difference]: Finished difference Result 315 states and 400 transitions. [2022-02-21 04:19:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 400 transitions. [2022-02-21 04:19:05,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:05,700 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:05,700 INFO L74 IsIncluded]: Start isIncluded. First operand has 315 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 314 states have internal predecessors, (400), 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 315 states and 400 transitions. [2022-02-21 04:19:05,701 INFO L87 Difference]: Start difference. First operand has 315 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 314 states have internal predecessors, (400), 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 315 states and 400 transitions. [2022-02-21 04:19:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:05,707 INFO L93 Difference]: Finished difference Result 315 states and 400 transitions. [2022-02-21 04:19:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 400 transitions. [2022-02-21 04:19:05,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:05,707 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:05,708 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:05,708 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:05,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 315 states have (on average 1.2698412698412698) internal successors, (400), 314 states have internal predecessors, (400), 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) [2022-02-21 04:19:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 400 transitions. [2022-02-21 04:19:05,714 INFO L704 BuchiCegarLoop]: Abstraction has 315 states and 400 transitions. [2022-02-21 04:19:05,714 INFO L587 BuchiCegarLoop]: Abstraction has 315 states and 400 transitions. [2022-02-21 04:19:05,714 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:19:05,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 315 states and 400 transitions. [2022-02-21 04:19:05,715 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2022-02-21 04:19:05,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:05,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:05,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:05,716 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:05,717 INFO L791 eck$LassoCheckResult]: Stem: 2853#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 2761#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 2762#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2783#L909 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 2784#L924 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 2751#L880 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 2752#L853 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2695#L385 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2696#L318-2 [2022-02-21 04:19:05,717 INFO L793 eck$LassoCheckResult]: Loop: 2696#L318-2 assume !false; 2856#L319 assume test_~splverifierCounter~0#1 < 4; 2859#L320 test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 2971#L328 assume !(0 != test_~tmp~5#1); 2969#L328-2 test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 2967#L338 assume !(0 != test_~tmp___0~2#1); 2965#L338-2 test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 2964#L348 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 2963#L356 assume !(0 != test_~tmp___1~0#1); 2837#L356-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 2926#L203 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 2925#L395 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2810#L74 assume !(0 != ~pumpRunning~0); 2811#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 2848#L132 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 2777#L106-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 2763#L1021-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 2714#L1026-1 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 2715#L252-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2730#L252-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2683#L258-1 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 2684#L110-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 2820#L98-2 assume { :end_inline_processEnvironment__wrappee__base } true; 2669#L106-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2670#L132-1 assume { :end_inline_processEnvironment } true; 2667#L81-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 2668#L1013 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 2758#L406 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 2760#L406-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2729#L91 assume { :end_inline_timeShift } true; 2696#L318-2 [2022-02-21 04:19:05,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:05,718 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:19:05,718 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:05,718 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214304823] [2022-02-21 04:19:05,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:05,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:05,726 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:05,734 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:05,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:05,735 INFO L85 PathProgramCache]: Analyzing trace with hash 579152049, now seen corresponding path program 1 times [2022-02-21 04:19:05,735 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:05,735 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940437471] [2022-02-21 04:19:05,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:05,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:05,766 INFO L290 TraceCheckUtils]: 0: Hoare triple {3608#true} assume !false; {3608#true} is VALID [2022-02-21 04:19:05,766 INFO L290 TraceCheckUtils]: 1: Hoare triple {3608#true} assume test_~splverifierCounter~0#1 < 4; {3608#true} is VALID [2022-02-21 04:19:05,766 INFO L290 TraceCheckUtils]: 2: Hoare triple {3608#true} test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {3608#true} is VALID [2022-02-21 04:19:05,766 INFO L290 TraceCheckUtils]: 3: Hoare triple {3608#true} assume !(0 != test_~tmp~5#1); {3608#true} is VALID [2022-02-21 04:19:05,767 INFO L290 TraceCheckUtils]: 4: Hoare triple {3608#true} test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; {3608#true} is VALID [2022-02-21 04:19:05,767 INFO L290 TraceCheckUtils]: 5: Hoare triple {3608#true} assume !(0 != test_~tmp___0~2#1); {3608#true} is VALID [2022-02-21 04:19:05,767 INFO L290 TraceCheckUtils]: 6: Hoare triple {3608#true} test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; {3608#true} is VALID [2022-02-21 04:19:05,767 INFO L290 TraceCheckUtils]: 7: Hoare triple {3608#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; {3608#true} is VALID [2022-02-21 04:19:05,767 INFO L290 TraceCheckUtils]: 8: Hoare triple {3608#true} assume !(0 != test_~tmp___1~0#1); {3608#true} is VALID [2022-02-21 04:19:05,767 INFO L290 TraceCheckUtils]: 9: Hoare triple {3608#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {3608#true} is VALID [2022-02-21 04:19:05,768 INFO L290 TraceCheckUtils]: 10: Hoare triple {3608#true} __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; {3608#true} is VALID [2022-02-21 04:19:05,768 INFO L290 TraceCheckUtils]: 11: Hoare triple {3608#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {3608#true} is VALID [2022-02-21 04:19:05,768 INFO L290 TraceCheckUtils]: 12: Hoare triple {3608#true} assume !(0 != ~pumpRunning~0); {3608#true} is VALID [2022-02-21 04:19:05,768 INFO L290 TraceCheckUtils]: 13: Hoare triple {3608#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {3608#true} is VALID [2022-02-21 04:19:05,768 INFO L290 TraceCheckUtils]: 14: Hoare triple {3608#true} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; {3608#true} is VALID [2022-02-21 04:19:05,769 INFO L290 TraceCheckUtils]: 15: Hoare triple {3608#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; {3608#true} is VALID [2022-02-21 04:19:05,769 INFO L290 TraceCheckUtils]: 16: Hoare triple {3608#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,770 INFO L290 TraceCheckUtils]: 17: Hoare triple {3610#(<= ~waterLevel~0 1)} isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,770 INFO L290 TraceCheckUtils]: 18: Hoare triple {3610#(<= ~waterLevel~0 1)} assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,770 INFO L290 TraceCheckUtils]: 19: Hoare triple {3610#(<= ~waterLevel~0 1)} isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,771 INFO L290 TraceCheckUtils]: 20: Hoare triple {3610#(<= ~waterLevel~0 1)} processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,771 INFO L290 TraceCheckUtils]: 21: Hoare triple {3610#(<= ~waterLevel~0 1)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,771 INFO L290 TraceCheckUtils]: 22: Hoare triple {3610#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__base } true; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,772 INFO L290 TraceCheckUtils]: 23: Hoare triple {3610#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,774 INFO L290 TraceCheckUtils]: 24: Hoare triple {3610#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {3610#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,775 INFO L290 TraceCheckUtils]: 25: Hoare triple {3610#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; {3611#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:19:05,775 INFO L290 TraceCheckUtils]: 26: Hoare triple {3611#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; {3612#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6#1| 1)} is VALID [2022-02-21 04:19:05,776 INFO L290 TraceCheckUtils]: 27: Hoare triple {3612#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {3609#false} is VALID [2022-02-21 04:19:05,776 INFO L290 TraceCheckUtils]: 28: Hoare triple {3609#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {3609#false} is VALID [2022-02-21 04:19:05,776 INFO L290 TraceCheckUtils]: 29: Hoare triple {3609#false} assume { :end_inline_timeShift } true; {3609#false} is VALID [2022-02-21 04:19:05,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:19:05,776 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:05,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940437471] [2022-02-21 04:19:05,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940437471] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:05,777 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:05,777 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:19:05,777 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247370102] [2022-02-21 04:19:05,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:05,778 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:19:05,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:05,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:19:05,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:19:05,778 INFO L87 Difference]: Start difference. First operand 315 states and 400 transitions. cyclomatic complexity: 88 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-02-21 04:19:06,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:06,545 INFO L93 Difference]: Finished difference Result 885 states and 1102 transitions. [2022-02-21 04:19:06,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:19:06,545 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-02-21 04:19:06,563 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:06,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 885 states and 1102 transitions. [2022-02-21 04:19:06,587 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 583 [2022-02-21 04:19:06,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 885 states to 885 states and 1102 transitions. [2022-02-21 04:19:06,609 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 885 [2022-02-21 04:19:06,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 885 [2022-02-21 04:19:06,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 885 states and 1102 transitions. [2022-02-21 04:19:06,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:06,610 INFO L681 BuchiCegarLoop]: Abstraction has 885 states and 1102 transitions. [2022-02-21 04:19:06,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states and 1102 transitions. [2022-02-21 04:19:06,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 619. [2022-02-21 04:19:06,618 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:06,619 INFO L82 GeneralOperation]: Start isEquivalent. First operand 885 states and 1102 transitions. Second operand has 619 states, 619 states have (on average 1.245557350565428) internal successors, (771), 618 states have internal predecessors, (771), 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) [2022-02-21 04:19:06,620 INFO L74 IsIncluded]: Start isIncluded. First operand 885 states and 1102 transitions. Second operand has 619 states, 619 states have (on average 1.245557350565428) internal successors, (771), 618 states have internal predecessors, (771), 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) [2022-02-21 04:19:06,621 INFO L87 Difference]: Start difference. First operand 885 states and 1102 transitions. Second operand has 619 states, 619 states have (on average 1.245557350565428) internal successors, (771), 618 states have internal predecessors, (771), 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) [2022-02-21 04:19:06,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:06,642 INFO L93 Difference]: Finished difference Result 885 states and 1102 transitions. [2022-02-21 04:19:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1102 transitions. [2022-02-21 04:19:06,643 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:06,643 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:06,644 INFO L74 IsIncluded]: Start isIncluded. First operand has 619 states, 619 states have (on average 1.245557350565428) internal successors, (771), 618 states have internal predecessors, (771), 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 885 states and 1102 transitions. [2022-02-21 04:19:06,645 INFO L87 Difference]: Start difference. First operand has 619 states, 619 states have (on average 1.245557350565428) internal successors, (771), 618 states have internal predecessors, (771), 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 885 states and 1102 transitions. [2022-02-21 04:19:06,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:06,666 INFO L93 Difference]: Finished difference Result 885 states and 1102 transitions. [2022-02-21 04:19:06,666 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1102 transitions. [2022-02-21 04:19:06,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:06,667 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:06,667 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:06,668 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 619 states have (on average 1.245557350565428) internal successors, (771), 618 states have internal predecessors, (771), 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) [2022-02-21 04:19:06,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 771 transitions. [2022-02-21 04:19:06,680 INFO L704 BuchiCegarLoop]: Abstraction has 619 states and 771 transitions. [2022-02-21 04:19:06,680 INFO L587 BuchiCegarLoop]: Abstraction has 619 states and 771 transitions. [2022-02-21 04:19:06,680 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 04:19:06,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 619 states and 771 transitions. [2022-02-21 04:19:06,682 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 443 [2022-02-21 04:19:06,683 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:06,683 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:06,683 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:06,683 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:06,684 INFO L791 eck$LassoCheckResult]: Stem: 4714#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 4609#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true; 4610#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4632#L909 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 4633#L924 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 4600#L880 assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true; 4601#L853 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4542#L385 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 4543#L318-2 [2022-02-21 04:19:06,684 INFO L793 eck$LassoCheckResult]: Loop: 4543#L318-2 assume !false; 4717#L319 assume test_~splverifierCounter~0#1 < 4; 4722#L320 test_~tmp~5#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 5079#L328 assume !(0 != test_~tmp~5#1); 5078#L328-2 test_~tmp___0~2#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 5076#L338 assume !(0 != test_~tmp___0~2#1); 5074#L338-2 test_~tmp___2~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 5072#L348 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 5063#L301 assume { :end_inline_startSystem } true; 5058#L356-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret22#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 5056#L203 __utac_acc__Specification5_spec__2_#t~ret22#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret22#1;havoc __utac_acc__Specification5_spec__2_#t~ret22#1; 5054#L395 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 5052#L74 assume !(0 != ~pumpRunning~0); 4704#L74-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 4705#L132 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1; 4625#L106-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret16#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1; 4611#L1021-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1; 4562#L1026-1 isHighWaterLevel_#t~ret16#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret16#1;havoc isHighWaterLevel_#t~ret16#1; 4563#L252-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~0#1 := 0; 4578#L252-5 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 4531#L258-1 processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1; 4532#L110-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 4671#L98-2 assume { :end_inline_processEnvironment__wrappee__base } true; 4517#L106-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4518#L132-1 assume { :end_inline_processEnvironment } true; 4515#L81-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_#t~ret24#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~3#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~3#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~11#1;havoc getWaterLevel_~retValue_acc~11#1;getWaterLevel_~retValue_acc~11#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~11#1; 4516#L1013 __utac_acc__Specification5_spec__3_#t~ret23#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 4607#L406 assume 2 != __utac_acc__Specification5_spec__3_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 4608#L203-1 __utac_acc__Specification5_spec__3_#t~ret24#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~3#1 := __utac_acc__Specification5_spec__3_#t~ret24#1;havoc __utac_acc__Specification5_spec__3_#t~ret24#1; 4693#L410 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~3#1); 4631#L406-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4577#L91 assume { :end_inline_timeShift } true; 4543#L318-2 [2022-02-21 04:19:06,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:06,685 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-02-21 04:19:06,685 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:06,685 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700317425] [2022-02-21 04:19:06,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:06,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,701 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:06,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:06,701 INFO L85 PathProgramCache]: Analyzing trace with hash -874700358, now seen corresponding path program 1 times [2022-02-21 04:19:06,702 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:06,702 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458073057] [2022-02-21 04:19:06,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:06,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,722 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,730 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:06,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:06,733 INFO L85 PathProgramCache]: Analyzing trace with hash -278142813, now seen corresponding path program 1 times [2022-02-21 04:19:06,733 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:06,733 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488330373] [2022-02-21 04:19:06,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:06,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,769 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:09,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:19:09 BoogieIcfgContainer [2022-02-21 04:19:09,745 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:19:09,745 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:19:09,745 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:19:09,745 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:19:09,745 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:03" (3/4) ... [2022-02-21 04:19:09,763 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:19:09,841 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:19:09,841 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:19:09,842 INFO L158 Benchmark]: Toolchain (without parser) took 7826.53ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 54.2MB in the beginning and 90.4MB in the end (delta: -36.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,842 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 23.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:09,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 721.07ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 72.0MB in the end (delta: -18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.28ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 66.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,848 INFO L158 Benchmark]: Boogie Preprocessor took 84.89ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,848 INFO L158 Benchmark]: RCFGBuilder took 577.57ms. Allocated memory is still 109.1MB. Free memory was 64.0MB in the beginning and 79.6MB in the end (delta: -15.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,849 INFO L158 Benchmark]: BuchiAutomizer took 6211.47ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 79.0MB in the beginning and 93.6MB in the end (delta: -14.6MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,849 INFO L158 Benchmark]: Witness Printer took 96.13ms. Allocated memory is still 163.6MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:19:09,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 90.2MB. Free memory was 59.6MB in the beginning and 59.6MB in the end (delta: 23.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 721.07ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 72.0MB in the end (delta: -18.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.28ms. Allocated memory is still 109.1MB. Free memory was 71.8MB in the beginning and 66.6MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.89ms. Allocated memory is still 109.1MB. Free memory was 66.6MB in the beginning and 64.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 577.57ms. Allocated memory is still 109.1MB. Free memory was 64.0MB in the beginning and 79.6MB in the end (delta: -15.5MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 6211.47ms. Allocated memory was 109.1MB in the beginning and 163.6MB in the end (delta: 54.5MB). Free memory was 79.0MB in the beginning and 93.6MB in the end (delta: -14.6MB). Peak memory consumption was 91.3MB. Max. memory is 16.1GB. * Witness Printer took 96.13ms. Allocated memory is still 163.6MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 619 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.1s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 626 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 619 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2258 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2258 mSDsluCounter, 3391 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2499 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 892 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 318]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@137583d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@137a90f1=0, tmp___0=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ea9cf1b=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, retValue_acc=0, methaneLevelCritical=0, retValue_acc=1, retValue_acc=1, retValue_acc=1, \result=1, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ed344c9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ea380ed=0, retValue_acc=0, tmp=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29ff805f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50515e7e=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@65156162=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f4ac1e=29, cleanupTimeShifts=4, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6661aefd=0, \result=0, tmp=0, tmp___0=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12971033=0, tmp=0, \result=0, tmp=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 318]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L62] int pumpRunning = 0; [L63] int systemActive = 1; [L379] int switchedOnBeforeTS ; [L597] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L794] int cleanupTimeShifts = 4; [L938] int waterLevel = 1; [L939] int methaneLevelCritical = 0; [L871] int retValue_acc ; [L872] int tmp ; [L876] FCALL select_helpers() [L877] FCALL select_features() [L878] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); [L878] RET, EXPR valid_product() [L878] tmp = valid_product() [L880] COND TRUE \read(tmp) [L882] FCALL setup() [L883] CALL runTest() [L861] CALL __utac_acc__Specification5_spec__1() [L384] switchedOnBeforeTS = 0 [L861] RET __utac_acc__Specification5_spec__1() [L862] CALL test() [L309] int splverifierCounter ; [L310] int tmp ; [L311] int tmp___0 ; [L312] int tmp___1 ; [L313] int tmp___2 ; [L316] splverifierCounter = 0 Loop: [L318] COND TRUE 1 [L320] COND TRUE splverifierCounter < 4 [L326] tmp = __VERIFIER_nondet_int() [L328] COND FALSE !(\read(tmp)) [L336] tmp___0 = __VERIFIER_nondet_int() [L338] COND FALSE !(\read(tmp___0)) [L346] tmp___2 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___2) [L350] CALL startSystem() [L300] systemActive = 1 [L350] RET startSystem() [L365] CALL timeShift() [L72] CALL __utac_acc__Specification5_spec__2() [L393] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L393] RET, EXPR isPumpRunning() [L393] switchedOnBeforeTS = isPumpRunning() [L72] RET __utac_acc__Specification5_spec__2() [L74] COND FALSE !(\read(pumpRunning)) [L81] COND TRUE \read(systemActive) [L83] CALL processEnvironment() [L129] int tmp ; [L132] COND FALSE !(\read(pumpRunning)) [L147] CALL processEnvironment__wrappee__highWaterSensor() [L103] int tmp ; [L106] COND TRUE ! pumpRunning [L108] CALL, EXPR isHighWaterLevel() [L244] int retValue_acc ; [L245] int tmp ; [L246] int tmp___0 ; [L250] CALL, EXPR isHighWaterSensorDry() [L1018] int retValue_acc ; [L1021] COND TRUE waterLevel < 2 [L1022] retValue_acc = 1 [L1023] return (retValue_acc); [L250] RET, EXPR isHighWaterSensorDry() [L250] tmp = isHighWaterSensorDry() [L252] COND TRUE \read(tmp) [L253] tmp___0 = 0 [L257] retValue_acc = tmp___0 [L258] return (retValue_acc); [L108] RET, EXPR isHighWaterLevel() [L108] tmp = isHighWaterLevel() [L110] COND FALSE !(\read(tmp)) [L116] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment__wrappee__highWaterSensor() [L83] RET processEnvironment() [L89] CALL __utac_acc__Specification5_spec__3() [L399] int tmp ; [L400] int tmp___0 ; [L404] CALL, EXPR getWaterLevel() [L1009] int retValue_acc ; [L1012] retValue_acc = waterLevel [L1013] return (retValue_acc); [L404] RET, EXPR getWaterLevel() [L404] tmp = getWaterLevel() [L406] COND TRUE tmp != 2 [L408] CALL, EXPR isPumpRunning() [L199] int retValue_acc ; [L202] retValue_acc = pumpRunning [L203] return (retValue_acc); [L408] RET, EXPR isPumpRunning() [L408] tmp___0 = isPumpRunning() [L410] COND FALSE !(\read(tmp___0)) [L89] RET __utac_acc__Specification5_spec__3() [L365] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:19:09,908 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)