./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product62.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_product62.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 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:19:01,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:19:01,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:19:01,242 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:19:01,242 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:19:01,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:19:01,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:19:01,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:19:01,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:19:01,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:19:01,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:19:01,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:19:01,257 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:19:01,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:19:01,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:19:01,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:19:01,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:19:01,263 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:19:01,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:19:01,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:19:01,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:19:01,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:19:01,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:19:01,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:19:01,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:19:01,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:19:01,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:19:01,279 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:19:01,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:19:01,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:19:01,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:19:01,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:19:01,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:19:01,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:19:01,283 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:19:01,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:19:01,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:19:01,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:19:01,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:19:01,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:19:01,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:19:01,288 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:19:01,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:19:01,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:19:01,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:19:01,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:19:01,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:19:01,312 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:19:01,312 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:19:01,312 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:19:01,313 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:19:01,313 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:19:01,313 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:19:01,314 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:19:01,314 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:19:01,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:19:01,314 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:19:01,314 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:19:01,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:19:01,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:19:01,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:19:01,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:19:01,315 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:19:01,315 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:19:01,316 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:19:01,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:19:01,316 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:19:01,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:19:01,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:19:01,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:19:01,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:19:01,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:19:01,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:19:01,319 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:19:01,319 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c [2022-02-21 04:19:01,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:19:01,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:19:01,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:19:01,520 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:19:01,521 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:19:01,522 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2022-02-21 04:19:01,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf5e9bb/403c9793d9814f62af1784f6859cca3d/FLAG8f3065285 [2022-02-21 04:19:01,948 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:19:01,949 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c [2022-02-21 04:19:01,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf5e9bb/403c9793d9814f62af1784f6859cca3d/FLAG8f3065285 [2022-02-21 04:19:01,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1dcf5e9bb/403c9793d9814f62af1784f6859cca3d [2022-02-21 04:19:01,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:19:01,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:19:01,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:01,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:19:01,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:19:01,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:01" (1/1) ... [2022-02-21 04:19:01,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bdba63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:01, skipping insertion in model container [2022-02-21 04:19:01,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:19:01" (1/1) ... [2022-02-21 04:19:01,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:19:02,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:19:02,262 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_product62.cil.c[19180,19193] [2022-02-21 04:19:02,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:02,271 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:19:02,348 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_product62.cil.c[19180,19193] [2022-02-21 04:19:02,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:19:02,362 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:19:02,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:19:02 WrapperNode [2022-02-21 04:19:02,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:19:02,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:02,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:19:02,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:19:02,368 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 04:19:02,378 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 04:19:02,437 INFO L137 Inliner]: procedures = 60, calls = 164, calls flagged for inlining = 61, calls inlined = 181, statements flattened = 1296 [2022-02-21 04:19:02,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:19:02,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:19:02,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:19:02,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:19:02,444 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 04:19:02,448 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 04:19:02,452 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 04:19:02,464 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 04:19:02,476 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 04:19:02,483 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 04:19:02,486 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 04:19:02,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:19:02,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:19:02,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:19:02,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:19:02,491 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 04:19:02,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:19:02,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:19:02,531 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 04:19:02,536 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 04:19:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:19:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:19:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:19:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:19:02,629 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:19:02,630 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:19:03,243 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:19:03,257 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:19:03,257 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:19:03,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:19:03 BoogieIcfgContainer [2022-02-21 04:19:03,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:19:03,260 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:19:03,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:19:03,263 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:19:03,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:03,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:19:01" (1/3) ... [2022-02-21 04:19:03,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37435018 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 04:19:03,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:03,265 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 04:19:03,265 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37435018 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 04:19:03,265 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:19:03,265 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 04:19:03,266 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2022-02-21 04:19:03,303 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:19:03,304 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:19:03,304 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:19:03,304 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:19:03,304 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:19:03,304 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:19:03,304 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:19:03,304 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:19:03,331 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 329 states, 328 states have (on average 1.350609756097561) internal successors, (443), 328 states have internal predecessors, (443), 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 04:19:03,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2022-02-21 04:19:03,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:03,394 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:03,398 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,399 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,399 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:19:03,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 329 states, 328 states have (on average 1.350609756097561) internal successors, (443), 328 states have internal predecessors, (443), 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 04:19:03,433 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 215 [2022-02-21 04:19:03,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:03,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:03,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:03,436 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 04:19:03,439 INFO L791 eck$LassoCheckResult]: Stem: 317#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 206#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~11#1, main_~tmp~11#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 50#L1035true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 158#L1028true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 149#L1043true main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 115#L990true assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 286#L963true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 269#L322true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 258#L378-2true [2022-02-21 04:19:03,440 INFO L793 eck$LassoCheckResult]: Loop: 258#L378-2true assume !false; 132#L379true assume test_~splverifierCounter~0#1 < 4; 248#L380true test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 32#L388true assume !(0 != test_~tmp~7#1); 180#L388-2true test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 306#L398true assume !(0 != test_~tmp___0~3#1); 189#L398-2true test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 292#L408true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 27#L416true assume 0 != test_~tmp___1~0#1; 139#L416-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret19#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; 118#L227true __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; 194#L332true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 127#L73true assume !(0 != ~pumpRunning~0); 46#L73-2true assume !(0 != ~systemActive~0); 308#L80-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 113#L876true __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; 275#L343true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 64#L343-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 154#L90true assume { :end_inline_timeShift } true; 258#L378-2true [2022-02-21 04:19:03,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:03,447 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:19:03,453 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:03,453 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416151802] [2022-02-21 04:19:03,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:03,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,576 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,626 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:03,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:03,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1980094924, now seen corresponding path program 1 times [2022-02-21 04:19:03,629 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:03,629 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740704140] [2022-02-21 04:19:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:03,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,635 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:03,641 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:03,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:03,643 INFO L85 PathProgramCache]: Analyzing trace with hash -885124029, now seen corresponding path program 1 times [2022-02-21 04:19:03,643 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:03,643 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341407662] [2022-02-21 04:19:03,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:03,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:03,729 INFO L290 TraceCheckUtils]: 0: Hoare triple {337#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {339#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:19:03,730 INFO L290 TraceCheckUtils]: 1: Hoare triple {339#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~11#1, main_~tmp~11#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; {339#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:19:03,730 INFO L290 TraceCheckUtils]: 2: Hoare triple {339#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {339#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:19:03,731 INFO L290 TraceCheckUtils]: 3: Hoare triple {339#(= 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~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; {340#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:19:03,731 INFO L290 TraceCheckUtils]: 4: Hoare triple {340#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret54#1;havoc main_#t~ret54#1; {341#(= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)} is VALID [2022-02-21 04:19:03,732 INFO L290 TraceCheckUtils]: 5: Hoare triple {341#(= |ULTIMATE.start_main_~tmp~11#1| ~systemActive~0)} assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,732 INFO L290 TraceCheckUtils]: 6: Hoare triple {342#(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; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,732 INFO L290 TraceCheckUtils]: 7: Hoare triple {342#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,733 INFO L290 TraceCheckUtils]: 8: Hoare triple {342#(not (= 0 ~systemActive~0))} assume !false; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,733 INFO L290 TraceCheckUtils]: 9: Hoare triple {342#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,734 INFO L290 TraceCheckUtils]: 10: Hoare triple {342#(not (= 0 ~systemActive~0))} test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,734 INFO L290 TraceCheckUtils]: 11: Hoare triple {342#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~7#1); {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,734 INFO L290 TraceCheckUtils]: 12: Hoare triple {342#(not (= 0 ~systemActive~0))} test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,735 INFO L290 TraceCheckUtils]: 13: Hoare triple {342#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~3#1); {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,735 INFO L290 TraceCheckUtils]: 14: Hoare triple {342#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,736 INFO L290 TraceCheckUtils]: 15: Hoare triple {342#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,736 INFO L290 TraceCheckUtils]: 16: Hoare triple {342#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___1~0#1; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,737 INFO L290 TraceCheckUtils]: 17: Hoare triple {342#(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~ret19#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; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,737 INFO L290 TraceCheckUtils]: 18: Hoare triple {342#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,737 INFO L290 TraceCheckUtils]: 19: Hoare triple {342#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,738 INFO L290 TraceCheckUtils]: 20: Hoare triple {342#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {342#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:19:03,738 INFO L290 TraceCheckUtils]: 21: Hoare triple {342#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {338#false} is VALID [2022-02-21 04:19:03,738 INFO L290 TraceCheckUtils]: 22: Hoare triple {338#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; {338#false} is VALID [2022-02-21 04:19:03,739 INFO L290 TraceCheckUtils]: 23: Hoare triple {338#false} __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; {338#false} is VALID [2022-02-21 04:19:03,739 INFO L290 TraceCheckUtils]: 24: Hoare triple {338#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {338#false} is VALID [2022-02-21 04:19:03,739 INFO L290 TraceCheckUtils]: 25: Hoare triple {338#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {338#false} is VALID [2022-02-21 04:19:03,739 INFO L290 TraceCheckUtils]: 26: Hoare triple {338#false} assume { :end_inline_timeShift } true; {338#false} is VALID [2022-02-21 04:19:03,740 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 04:19:03,740 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:03,741 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341407662] [2022-02-21 04:19:03,741 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341407662] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:03,741 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:03,741 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:19:03,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242920932] [2022-02-21 04:19:03,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:03,897 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:03,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:19:03,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:19:03,920 INFO L87 Difference]: Start difference. First operand has 329 states, 328 states have (on average 1.350609756097561) internal successors, (443), 328 states have internal predecessors, (443), 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 04:19:04,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:04,465 INFO L93 Difference]: Finished difference Result 326 states and 429 transitions. [2022-02-21 04:19:04,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:19:04,466 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 04:19:04,495 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 04:19:04,499 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 326 states and 429 transitions. [2022-02-21 04:19:04,506 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2022-02-21 04:19:04,515 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 326 states to 316 states and 419 transitions. [2022-02-21 04:19:04,516 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 316 [2022-02-21 04:19:04,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 316 [2022-02-21 04:19:04,517 INFO L73 IsDeterministic]: Start isDeterministic. Operand 316 states and 419 transitions. [2022-02-21 04:19:04,518 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:04,518 INFO L681 BuchiCegarLoop]: Abstraction has 316 states and 419 transitions. [2022-02-21 04:19:04,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states and 419 transitions. [2022-02-21 04:19:04,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2022-02-21 04:19:04,542 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:04,544 INFO L82 GeneralOperation]: Start isEquivalent. First operand 316 states and 419 transitions. Second operand has 316 states, 316 states have (on average 1.3259493670886076) internal successors, (419), 315 states have internal predecessors, (419), 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 04:19:04,545 INFO L74 IsIncluded]: Start isIncluded. First operand 316 states and 419 transitions. Second operand has 316 states, 316 states have (on average 1.3259493670886076) internal successors, (419), 315 states have internal predecessors, (419), 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 04:19:04,547 INFO L87 Difference]: Start difference. First operand 316 states and 419 transitions. Second operand has 316 states, 316 states have (on average 1.3259493670886076) internal successors, (419), 315 states have internal predecessors, (419), 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 04:19:04,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:04,561 INFO L93 Difference]: Finished difference Result 316 states and 419 transitions. [2022-02-21 04:19:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 419 transitions. [2022-02-21 04:19:04,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:04,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:04,564 INFO L74 IsIncluded]: Start isIncluded. First operand has 316 states, 316 states have (on average 1.3259493670886076) internal successors, (419), 315 states have internal predecessors, (419), 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 316 states and 419 transitions. [2022-02-21 04:19:04,564 INFO L87 Difference]: Start difference. First operand has 316 states, 316 states have (on average 1.3259493670886076) internal successors, (419), 315 states have internal predecessors, (419), 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 316 states and 419 transitions. [2022-02-21 04:19:04,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:04,579 INFO L93 Difference]: Finished difference Result 316 states and 419 transitions. [2022-02-21 04:19:04,579 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 419 transitions. [2022-02-21 04:19:04,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:04,580 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:04,581 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:04,581 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:04,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 316 states have (on average 1.3259493670886076) internal successors, (419), 315 states have internal predecessors, (419), 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 04:19:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 419 transitions. [2022-02-21 04:19:04,591 INFO L704 BuchiCegarLoop]: Abstraction has 316 states and 419 transitions. [2022-02-21 04:19:04,591 INFO L587 BuchiCegarLoop]: Abstraction has 316 states and 419 transitions. [2022-02-21 04:19:04,591 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:19:04,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 316 states and 419 transitions. [2022-02-21 04:19:04,592 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 211 [2022-02-21 04:19:04,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:04,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:04,593 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:04,593 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] [2022-02-21 04:19:04,593 INFO L791 eck$LassoCheckResult]: Stem: 985#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 945#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~11#1, main_~tmp~11#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 763#L1035 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 764#L1028 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 901#L1043 main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 861#L990 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 862#L963 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 972#L322 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 904#L378-2 [2022-02-21 04:19:04,594 INFO L793 eck$LassoCheckResult]: Loop: 904#L378-2 assume !false; 884#L379 assume test_~splverifierCounter~0#1 < 4; 885#L380 test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 731#L388 assume !(0 != test_~tmp~7#1); 733#L388-2 test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 929#L398 assume !(0 != test_~tmp___0~3#1); 680#L398-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 937#L408 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 724#L416 assume 0 != test_~tmp___1~0#1; 725#L416-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret19#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; 863#L227 __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; 864#L332 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 877#L73 assume !(0 != ~pumpRunning~0); 758#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 685#L157 assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 686#L844 isMethaneAlarm_#t~ret8#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret8#1;havoc isMethaneAlarm_#t~ret8#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; 835#L218 processEnvironment_#t~ret6#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret6#1;havoc processEnvironment_#t~ret6#1; 924#L161 assume 0 != processEnvironment_~tmp~2#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; 925#L208 assume { :end_inline_deactivatePump } true; 719#L157-1 assume { :end_inline_processEnvironment } true; 720#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 859#L876 __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; 860#L343 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 787#L343-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 788#L90 assume { :end_inline_timeShift } true; 904#L378-2 [2022-02-21 04:19:04,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:04,595 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:19:04,595 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:04,595 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859620298] [2022-02-21 04:19:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:04,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:04,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:04,605 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:04,617 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:04,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:04,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1612952875, now seen corresponding path program 1 times [2022-02-21 04:19:04,618 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:04,618 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657678598] [2022-02-21 04:19:04,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:04,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:04,632 INFO L290 TraceCheckUtils]: 0: Hoare triple {1626#true} assume !false; {1626#true} is VALID [2022-02-21 04:19:04,632 INFO L290 TraceCheckUtils]: 1: Hoare triple {1626#true} assume test_~splverifierCounter~0#1 < 4; {1626#true} is VALID [2022-02-21 04:19:04,632 INFO L290 TraceCheckUtils]: 2: Hoare triple {1626#true} test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 3: Hoare triple {1626#true} assume !(0 != test_~tmp~7#1); {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 4: Hoare triple {1626#true} test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 5: Hoare triple {1626#true} assume !(0 != test_~tmp___0~3#1); {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 6: Hoare triple {1626#true} test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 7: Hoare triple {1626#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 8: Hoare triple {1626#true} assume 0 != test_~tmp___1~0#1; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 9: Hoare triple {1626#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret19#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; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 10: Hoare triple {1626#true} __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; {1626#true} is VALID [2022-02-21 04:19:04,633 INFO L290 TraceCheckUtils]: 11: Hoare triple {1626#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {1626#true} is VALID [2022-02-21 04:19:04,634 INFO L290 TraceCheckUtils]: 12: Hoare triple {1626#true} assume !(0 != ~pumpRunning~0); {1628#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:19:04,634 INFO L290 TraceCheckUtils]: 13: Hoare triple {1628#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {1628#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:19:04,634 INFO L290 TraceCheckUtils]: 14: Hoare triple {1628#(= ~pumpRunning~0 0)} assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 15: Hoare triple {1627#false} isMethaneAlarm_#t~ret8#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret8#1;havoc isMethaneAlarm_#t~ret8#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 16: Hoare triple {1627#false} processEnvironment_#t~ret6#1 := isMethaneAlarm_#res#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret6#1;havoc processEnvironment_#t~ret6#1; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 17: Hoare triple {1627#false} assume 0 != processEnvironment_~tmp~2#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 18: Hoare triple {1627#false} assume { :end_inline_deactivatePump } true; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 19: Hoare triple {1627#false} assume { :end_inline_processEnvironment } true; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 20: Hoare triple {1627#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 21: Hoare triple {1627#false} __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; {1627#false} is VALID [2022-02-21 04:19:04,635 INFO L290 TraceCheckUtils]: 22: Hoare triple {1627#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {1627#false} is VALID [2022-02-21 04:19:04,636 INFO L290 TraceCheckUtils]: 23: Hoare triple {1627#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {1627#false} is VALID [2022-02-21 04:19:04,636 INFO L290 TraceCheckUtils]: 24: Hoare triple {1627#false} assume { :end_inline_timeShift } true; {1627#false} is VALID [2022-02-21 04:19:04,636 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 04:19:04,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:04,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657678598] [2022-02-21 04:19:04,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657678598] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:04,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:04,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:19:04,637 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812088972] [2022-02-21 04:19:04,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:04,637 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:19:04,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:04,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:19:04,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:19:04,638 INFO L87 Difference]: Start difference. First operand 316 states and 419 transitions. cyclomatic complexity: 105 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 04:19:04,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:04,897 INFO L93 Difference]: Finished difference Result 333 states and 419 transitions. [2022-02-21 04:19:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:19:04,897 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 04:19:04,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:04,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 333 states and 419 transitions. [2022-02-21 04:19:04,920 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 228 [2022-02-21 04:19:04,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 333 states to 333 states and 419 transitions. [2022-02-21 04:19:04,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 333 [2022-02-21 04:19:04,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 333 [2022-02-21 04:19:04,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 333 states and 419 transitions. [2022-02-21 04:19:04,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:04,930 INFO L681 BuchiCegarLoop]: Abstraction has 333 states and 419 transitions. [2022-02-21 04:19:04,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states and 419 transitions. [2022-02-21 04:19:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2022-02-21 04:19:04,948 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:04,949 INFO L82 GeneralOperation]: Start isEquivalent. First operand 333 states and 419 transitions. Second operand has 333 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 332 states have internal predecessors, (419), 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 04:19:04,949 INFO L74 IsIncluded]: Start isIncluded. First operand 333 states and 419 transitions. Second operand has 333 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 332 states have internal predecessors, (419), 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 04:19:04,950 INFO L87 Difference]: Start difference. First operand 333 states and 419 transitions. Second operand has 333 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 332 states have internal predecessors, (419), 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 04:19:04,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:04,956 INFO L93 Difference]: Finished difference Result 333 states and 419 transitions. [2022-02-21 04:19:04,956 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 419 transitions. [2022-02-21 04:19:04,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:04,957 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:04,957 INFO L74 IsIncluded]: Start isIncluded. First operand has 333 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 332 states have internal predecessors, (419), 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 333 states and 419 transitions. [2022-02-21 04:19:04,958 INFO L87 Difference]: Start difference. First operand has 333 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 332 states have internal predecessors, (419), 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 333 states and 419 transitions. [2022-02-21 04:19:04,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:04,966 INFO L93 Difference]: Finished difference Result 333 states and 419 transitions. [2022-02-21 04:19:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 419 transitions. [2022-02-21 04:19:04,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:04,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:04,967 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:04,967 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:04,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 333 states have (on average 1.2582582582582582) internal successors, (419), 332 states have internal predecessors, (419), 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 04:19:04,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 419 transitions. [2022-02-21 04:19:04,975 INFO L704 BuchiCegarLoop]: Abstraction has 333 states and 419 transitions. [2022-02-21 04:19:04,976 INFO L587 BuchiCegarLoop]: Abstraction has 333 states and 419 transitions. [2022-02-21 04:19:04,976 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:19:04,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 333 states and 419 transitions. [2022-02-21 04:19:04,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 228 [2022-02-21 04:19:04,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:04,977 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:04,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:04,983 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 04:19:04,984 INFO L791 eck$LassoCheckResult]: Stem: 2223#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 2177#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~11#1, main_~tmp~11#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 2030#L1035 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2031#L1028 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 2141#L1043 main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 2106#L990 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 2107#L963 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2208#L322 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2144#L378-2 [2022-02-21 04:19:04,984 INFO L793 eck$LassoCheckResult]: Loop: 2144#L378-2 assume !false; 2123#L379 assume test_~splverifierCounter~0#1 < 4; 2124#L380 test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 2292#L388 assume !(0 != test_~tmp~7#1); 2290#L388-2 test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 2288#L398 assume !(0 != test_~tmp___0~3#1); 2286#L398-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 2285#L408 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2283#L310 assume { :end_inline_startSystem } true; 2282#L416-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret19#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; 2108#L227 __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; 2109#L332 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2116#L73 assume !(0 != ~pumpRunning~0); 2029#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1968#L157 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 1969#L131-2 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; 1970#L105-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 1971#L884-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 2096#L889-3 isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1; 2097#L276-9 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 2087#L276-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 2088#L282-3 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; 2212#L109-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1964#L97-6 assume { :end_inline_processEnvironment__wrappee__base } true; 1965#L105-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 2115#L131-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1998#L157-1 assume { :end_inline_processEnvironment } true; 1999#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 2104#L876 __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; 2105#L343 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); 2051#L343-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2052#L90 assume { :end_inline_timeShift } true; 2144#L378-2 [2022-02-21 04:19:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:04,985 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:19:04,986 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:04,986 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876106837] [2022-02-21 04:19:04,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:04,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:05,006 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:05,014 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:05,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:05,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1643392611, now seen corresponding path program 1 times [2022-02-21 04:19:05,018 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:05,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627706009] [2022-02-21 04:19:05,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:05,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:19:05,052 INFO L290 TraceCheckUtils]: 0: Hoare triple {2966#true} assume !false; {2966#true} is VALID [2022-02-21 04:19:05,052 INFO L290 TraceCheckUtils]: 1: Hoare triple {2966#true} assume test_~splverifierCounter~0#1 < 4; {2966#true} is VALID [2022-02-21 04:19:05,052 INFO L290 TraceCheckUtils]: 2: Hoare triple {2966#true} test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; {2966#true} is VALID [2022-02-21 04:19:05,052 INFO L290 TraceCheckUtils]: 3: Hoare triple {2966#true} assume !(0 != test_~tmp~7#1); {2966#true} is VALID [2022-02-21 04:19:05,052 INFO L290 TraceCheckUtils]: 4: Hoare triple {2966#true} test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; {2966#true} is VALID [2022-02-21 04:19:05,052 INFO L290 TraceCheckUtils]: 5: Hoare triple {2966#true} assume !(0 != test_~tmp___0~3#1); {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 6: Hoare triple {2966#true} test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 7: Hoare triple {2966#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 8: Hoare triple {2966#true} assume { :end_inline_startSystem } true; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 9: Hoare triple {2966#true} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret19#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; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 10: Hoare triple {2966#true} __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 11: Hoare triple {2966#true} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 12: Hoare triple {2966#true} assume !(0 != ~pumpRunning~0); {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 13: Hoare triple {2966#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; {2966#true} is VALID [2022-02-21 04:19:05,053 INFO L290 TraceCheckUtils]: 14: Hoare triple {2966#true} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; {2966#true} is VALID [2022-02-21 04:19:05,054 INFO L290 TraceCheckUtils]: 15: Hoare triple {2966#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; {2966#true} is VALID [2022-02-21 04:19:05,054 INFO L290 TraceCheckUtils]: 16: Hoare triple {2966#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; {2966#true} is VALID [2022-02-21 04:19:05,054 INFO L290 TraceCheckUtils]: 17: Hoare triple {2966#true} assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,055 INFO L290 TraceCheckUtils]: 18: Hoare triple {2968#(<= ~waterLevel~0 1)} isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,055 INFO L290 TraceCheckUtils]: 19: Hoare triple {2968#(<= ~waterLevel~0 1)} assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,055 INFO L290 TraceCheckUtils]: 20: Hoare triple {2968#(<= ~waterLevel~0 1)} isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,056 INFO L290 TraceCheckUtils]: 21: Hoare triple {2968#(<= ~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; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,056 INFO L290 TraceCheckUtils]: 22: Hoare triple {2968#(<= ~waterLevel~0 1)} assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,056 INFO L290 TraceCheckUtils]: 23: Hoare triple {2968#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__base } true; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,079 INFO L290 TraceCheckUtils]: 24: Hoare triple {2968#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,080 INFO L290 TraceCheckUtils]: 25: Hoare triple {2968#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,080 INFO L290 TraceCheckUtils]: 26: Hoare triple {2968#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {2968#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:19:05,081 INFO L290 TraceCheckUtils]: 27: Hoare triple {2968#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; {2969#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:19:05,081 INFO L290 TraceCheckUtils]: 28: Hoare triple {2969#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; {2970#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6#1| 1)} is VALID [2022-02-21 04:19:05,082 INFO L290 TraceCheckUtils]: 29: Hoare triple {2970#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~6#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~6#1); {2967#false} is VALID [2022-02-21 04:19:05,082 INFO L290 TraceCheckUtils]: 30: Hoare triple {2967#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {2967#false} is VALID [2022-02-21 04:19:05,082 INFO L290 TraceCheckUtils]: 31: Hoare triple {2967#false} assume { :end_inline_timeShift } true; {2967#false} is VALID [2022-02-21 04:19:05,082 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 04:19:05,083 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:19:05,083 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627706009] [2022-02-21 04:19:05,083 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627706009] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:19:05,083 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:19:05,083 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:19:05,083 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600175496] [2022-02-21 04:19:05,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:19:05,085 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:19:05,085 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:19:05,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:19:05,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:19:05,086 INFO L87 Difference]: Start difference. First operand 333 states and 419 transitions. cyclomatic complexity: 88 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 04:19:06,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:06,051 INFO L93 Difference]: Finished difference Result 998 states and 1232 transitions. [2022-02-21 04:19:06,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:19:06,052 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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 04:19:06,070 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:19:06,071 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 998 states and 1232 transitions. [2022-02-21 04:19:06,099 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 627 [2022-02-21 04:19:06,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 998 states to 998 states and 1232 transitions. [2022-02-21 04:19:06,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 998 [2022-02-21 04:19:06,127 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 998 [2022-02-21 04:19:06,127 INFO L73 IsDeterministic]: Start isDeterministic. Operand 998 states and 1232 transitions. [2022-02-21 04:19:06,141 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:19:06,141 INFO L681 BuchiCegarLoop]: Abstraction has 998 states and 1232 transitions. [2022-02-21 04:19:06,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states and 1232 transitions. [2022-02-21 04:19:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 656. [2022-02-21 04:19:06,148 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:19:06,150 INFO L82 GeneralOperation]: Start isEquivalent. First operand 998 states and 1232 transitions. Second operand has 656 states, 656 states have (on average 1.236280487804878) internal successors, (811), 655 states have internal predecessors, (811), 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 04:19:06,151 INFO L74 IsIncluded]: Start isIncluded. First operand 998 states and 1232 transitions. Second operand has 656 states, 656 states have (on average 1.236280487804878) internal successors, (811), 655 states have internal predecessors, (811), 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 04:19:06,152 INFO L87 Difference]: Start difference. First operand 998 states and 1232 transitions. Second operand has 656 states, 656 states have (on average 1.236280487804878) internal successors, (811), 655 states have internal predecessors, (811), 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 04:19:06,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:06,176 INFO L93 Difference]: Finished difference Result 998 states and 1232 transitions. [2022-02-21 04:19:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1232 transitions. [2022-02-21 04:19:06,178 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:06,178 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:06,180 INFO L74 IsIncluded]: Start isIncluded. First operand has 656 states, 656 states have (on average 1.236280487804878) internal successors, (811), 655 states have internal predecessors, (811), 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 998 states and 1232 transitions. [2022-02-21 04:19:06,181 INFO L87 Difference]: Start difference. First operand has 656 states, 656 states have (on average 1.236280487804878) internal successors, (811), 655 states have internal predecessors, (811), 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 998 states and 1232 transitions. [2022-02-21 04:19:06,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:19:06,206 INFO L93 Difference]: Finished difference Result 998 states and 1232 transitions. [2022-02-21 04:19:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1232 transitions. [2022-02-21 04:19:06,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:19:06,208 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:19:06,208 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:19:06,208 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:19:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 656 states have (on average 1.236280487804878) internal successors, (811), 655 states have internal predecessors, (811), 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 04:19:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 811 transitions. [2022-02-21 04:19:06,221 INFO L704 BuchiCegarLoop]: Abstraction has 656 states and 811 transitions. [2022-02-21 04:19:06,221 INFO L587 BuchiCegarLoop]: Abstraction has 656 states and 811 transitions. [2022-02-21 04:19:06,221 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 04:19:06,221 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 656 states and 811 transitions. [2022-02-21 04:19:06,223 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 454 [2022-02-21 04:19:06,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:19:06,223 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:19:06,224 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:19:06,224 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, 1, 1] [2022-02-21 04:19:06,224 INFO L791 eck$LassoCheckResult]: Stem: 4257#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;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 4200#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret54#1, main_~retValue_acc~11#1, main_~tmp~11#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~11#1;assume { :begin_inline_select_helpers } true; 4046#L1035 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4047#L1028 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1; 4162#L1043 main_#t~ret54#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~11#1 := main_#t~ret54#1;havoc main_#t~ret54#1; 4127#L990 assume 0 != main_~tmp~11#1;assume { :begin_inline_setup } true; 4128#L963 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 4234#L322 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 4166#L378-2 [2022-02-21 04:19:06,224 INFO L793 eck$LassoCheckResult]: Loop: 4166#L378-2 assume !false; 4145#L379 assume test_~splverifierCounter~0#1 < 4; 4146#L380 test_~tmp~7#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 4025#L388 assume !(0 != test_~tmp~7#1); 4027#L388-2 test_~tmp___0~3#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 4184#L398 assume !(0 != test_~tmp___0~3#1); 3982#L398-2 test_~tmp___2~0#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 4192#L408 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 4016#L416 assume 0 != test_~tmp___1~0#1; 4017#L416-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret19#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; 4129#L227 __utac_acc__Specification5_spec__2_#t~ret19#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret19#1;havoc __utac_acc__Specification5_spec__2_#t~ret19#1; 4130#L332 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 4137#L73 assume !(0 != ~pumpRunning~0); 4045#L73-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 3983#L157 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 3984#L131-2 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; 3985#L105-6 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~9#1;havoc isHighWaterSensorDry_~retValue_acc~9#1; 3986#L884-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~9#1; 4115#L889-3 isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1; 4116#L276-9 assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0; 4106#L276-11 isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1; 4107#L282-3 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; 4238#L109-9 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3979#L97-6 assume { :end_inline_processEnvironment__wrappee__base } true; 3980#L105-7 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 4136#L131-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 4014#L157-1 assume { :end_inline_processEnvironment } true; 4015#L80-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret20#1, __utac_acc__Specification5_spec__3_#t~ret21#1, __utac_acc__Specification5_spec__3_~tmp~6#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~6#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 4125#L876 __utac_acc__Specification5_spec__3_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~6#1 := __utac_acc__Specification5_spec__3_#t~ret20#1;havoc __utac_acc__Specification5_spec__3_#t~ret20#1; 4126#L343 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; 4020#L227-1 __utac_acc__Specification5_spec__3_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret21#1;havoc __utac_acc__Specification5_spec__3_#t~ret21#1; 4021#L347 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 4067#L343-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 4068#L90 assume { :end_inline_timeShift } true; 4166#L378-2 [2022-02-21 04:19:06,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:06,225 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-02-21 04:19:06,225 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:06,225 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918780072] [2022-02-21 04:19:06,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:06,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,233 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,239 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:06,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:06,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1560169027, now seen corresponding path program 1 times [2022-02-21 04:19:06,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:06,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134691816] [2022-02-21 04:19:06,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:06,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,246 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,252 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:06,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:19:06,252 INFO L85 PathProgramCache]: Analyzing trace with hash 500981350, now seen corresponding path program 1 times [2022-02-21 04:19:06,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:19:06,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193958242] [2022-02-21 04:19:06,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:19:06,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:19:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,261 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:19:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:19:06,275 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:19:08,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:19:08 BoogieIcfgContainer [2022-02-21 04:19:08,917 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:19:08,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:19:08,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:19:08,918 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:19:08,919 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 04:19:08,920 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:19:08,981 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:19:08,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:19:08,983 INFO L158 Benchmark]: Toolchain (without parser) took 7010.75ms. Allocated memory was 111.1MB in the beginning and 249.6MB in the end (delta: 138.4MB). Free memory was 80.8MB in the beginning and 214.5MB in the end (delta: -133.7MB). Peak memory consumption was 115.7MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,983 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:19:08,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.95ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 80.5MB in the beginning and 106.4MB in the end (delta: -25.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.38ms. Allocated memory is still 144.7MB. Free memory was 106.4MB in the beginning and 99.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,984 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 94.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,984 INFO L158 Benchmark]: RCFGBuilder took 769.65ms. Allocated memory is still 144.7MB. Free memory was 94.8MB in the beginning and 101.7MB in the end (delta: -6.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,985 INFO L158 Benchmark]: BuchiAutomizer took 5657.18ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 101.7MB in the beginning and 55.7MB in the end (delta: 46.0MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,985 INFO L158 Benchmark]: Witness Printer took 63.68ms. Allocated memory was 201.3MB in the beginning and 249.6MB in the end (delta: 48.2MB). Free memory was 55.7MB in the beginning and 214.5MB in the end (delta: -158.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:19:08,986 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 0.19ms. Allocated memory is still 111.1MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.95ms. Allocated memory was 111.1MB in the beginning and 144.7MB in the end (delta: 33.6MB). Free memory was 80.5MB in the beginning and 106.4MB in the end (delta: -25.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.38ms. Allocated memory is still 144.7MB. Free memory was 106.4MB in the beginning and 99.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.43ms. Allocated memory is still 144.7MB. Free memory was 99.0MB in the beginning and 94.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 769.65ms. Allocated memory is still 144.7MB. Free memory was 94.8MB in the beginning and 101.7MB in the end (delta: -6.9MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 5657.18ms. Allocated memory was 144.7MB in the beginning and 201.3MB in the end (delta: 56.6MB). Free memory was 101.7MB in the beginning and 55.7MB in the end (delta: 46.0MB). Peak memory consumption was 106.0MB. Max. memory is 16.1GB. * Witness Printer took 63.68ms. Allocated memory was 201.3MB in the beginning and 249.6MB in the end (delta: 48.2MB). Free memory was 55.7MB in the beginning and 214.5MB in the end (delta: -158.8MB). 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 656 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.1s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 342 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 656 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2647 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2647 mSDsluCounter, 2507 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1243 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 169 IncrementalHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 1264 mSDtfsCounter, 169 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: 378]: 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@3655e42=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ebfe872=0, tmp=0, tmp___0=0, NULL=0, head=0, pumpRunning=0, NULL=1, retValue_acc=0, retValue_acc=1, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, \result=1, retValue_acc=1, tmp=1, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c502ea8=0, tmp=1, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55bf7e64=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5696c091=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73e7dd26=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2514c189=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f3cbb5=0, tmp___0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b735350=0, head=0, \result=1, tmp___1=29, NULL=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a411bc=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d56223b=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41286a12=29, tmp=0, retValue_acc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 378]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int pumpRunning = 0; [L62] int systemActive = 1; [L316] int switchedOnBeforeTS ; [L604] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L801] int waterLevel = 1; [L802] int methaneLevelCritical = 0; [L904] int cleanupTimeShifts = 4; [L981] int retValue_acc ; [L982] int tmp ; [L986] FCALL select_helpers() [L987] FCALL select_features() [L988] CALL, EXPR valid_product() [L1039] int retValue_acc ; [L1042] retValue_acc = 1 [L1043] return (retValue_acc); [L988] RET, EXPR valid_product() [L988] tmp = valid_product() [L990] COND TRUE \read(tmp) [L992] FCALL setup() [L993] CALL runTest() [L971] CALL __utac_acc__Specification5_spec__1() [L321] switchedOnBeforeTS = 0 [L971] RET __utac_acc__Specification5_spec__1() [L972] CALL test() [L369] int splverifierCounter ; [L370] int tmp ; [L371] int tmp___0 ; [L372] int tmp___1 ; [L373] int tmp___2 ; [L376] splverifierCounter = 0 Loop: [L378] COND TRUE 1 [L380] COND TRUE splverifierCounter < 4 [L386] tmp = __VERIFIER_nondet_int() [L388] COND FALSE !(\read(tmp)) [L396] tmp___0 = __VERIFIER_nondet_int() [L398] COND FALSE !(\read(tmp___0)) [L406] tmp___2 = __VERIFIER_nondet_int() [L408] COND FALSE !(\read(tmp___2)) [L414] tmp___1 = __VERIFIER_nondet_int() [L416] COND TRUE \read(tmp___1) [L423] CALL timeShift() [L71] CALL __utac_acc__Specification5_spec__2() [L330] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L330] RET, EXPR isPumpRunning() [L330] switchedOnBeforeTS = isPumpRunning() [L71] RET __utac_acc__Specification5_spec__2() [L73] COND FALSE !(\read(pumpRunning)) [L80] COND TRUE \read(systemActive) [L82] CALL processEnvironment() [L154] int tmp ; [L157] COND FALSE !(\read(pumpRunning)) [L172] CALL processEnvironment__wrappee__methaneQuery() [L128] int tmp ; [L131] COND FALSE !(\read(pumpRunning)) [L146] CALL processEnvironment__wrappee__highWaterSensor() [L102] int tmp ; [L105] COND TRUE ! pumpRunning [L107] CALL, EXPR isHighWaterLevel() [L268] int retValue_acc ; [L269] int tmp ; [L270] int tmp___0 ; [L274] CALL, EXPR isHighWaterSensorDry() [L881] int retValue_acc ; [L884] COND TRUE waterLevel < 2 [L885] retValue_acc = 1 [L886] return (retValue_acc); [L274] RET, EXPR isHighWaterSensorDry() [L274] tmp = isHighWaterSensorDry() [L276] COND TRUE \read(tmp) [L277] tmp___0 = 0 [L281] retValue_acc = tmp___0 [L282] return (retValue_acc); [L107] RET, EXPR isHighWaterLevel() [L107] tmp = isHighWaterLevel() [L109] COND FALSE !(\read(tmp)) [L115] FCALL processEnvironment__wrappee__base() [L146] RET processEnvironment__wrappee__highWaterSensor() [L172] RET processEnvironment__wrappee__methaneQuery() [L82] RET processEnvironment() [L88] CALL __utac_acc__Specification5_spec__3() [L336] int tmp ; [L337] int tmp___0 ; [L341] CALL, EXPR getWaterLevel() [L872] int retValue_acc ; [L875] retValue_acc = waterLevel [L876] return (retValue_acc); [L341] RET, EXPR getWaterLevel() [L341] tmp = getWaterLevel() [L343] COND TRUE tmp != 2 [L345] CALL, EXPR isPumpRunning() [L223] int retValue_acc ; [L226] retValue_acc = pumpRunning [L227] return (retValue_acc); [L345] RET, EXPR isPumpRunning() [L345] tmp___0 = isPumpRunning() [L347] COND FALSE !(\read(tmp___0)) [L88] RET __utac_acc__Specification5_spec__3() [L423] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:19:09,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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)