/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:23:11,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:23:11,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:23:11,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:23:11,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:23:11,506 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:23:11,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:23:11,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:23:11,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:23:11,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:23:11,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:23:11,514 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:23:11,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:23:11,515 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:23:11,516 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:23:11,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:23:11,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:23:11,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:23:11,520 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:23:11,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:23:11,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:23:11,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:23:11,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:23:11,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:23:11,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:23:11,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:23:11,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:23:11,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:23:11,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:23:11,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:23:11,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:23:11,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:23:11,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:23:11,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:23:11,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:23:11,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:23:11,543 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:23:11,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:23:11,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:23:11,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:23:11,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:23:11,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:23:11,563 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:23:11,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:23:11,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:23:11,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:23:11,565 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:23:11,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:23:11,565 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:23:11,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:23:11,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:23:11,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:23:11,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:23:11,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:23:11,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:23:11,567 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:23:11,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:23:11,567 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:23:11,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:23:11,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:23:11,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:23:11,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:23:11,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:23:11,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:23:11,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:23:11,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:23:11,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:23:11,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:23:11,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:23:11,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:23:11,570 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:23:11,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:23:11,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:23:11,857 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:23:11,860 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:23:11,861 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:23:11,861 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:23:11,861 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2020-07-17 21:23:11,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fd51c91/ec406e7563f743b98f7126bc80f772db/FLAGfdfd6663e [2020-07-17 21:23:12,377 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:23:12,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c [2020-07-17 21:23:12,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fd51c91/ec406e7563f743b98f7126bc80f772db/FLAGfdfd6663e [2020-07-17 21:23:12,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98fd51c91/ec406e7563f743b98f7126bc80f772db [2020-07-17 21:23:12,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:23:12,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:23:12,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:23:12,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:23:12,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:23:12,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:23:12" (1/1) ... [2020-07-17 21:23:12,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d68d9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:12, skipping insertion in model container [2020-07-17 21:23:12,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:23:12" (1/1) ... [2020-07-17 21:23:12,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:23:12,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:23:13,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:23:13,223 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:23:13,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:23:13,342 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:23:13,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13 WrapperNode [2020-07-17 21:23:13,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:23:13,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:23:13,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:23:13,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:23:13,357 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,377 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... [2020-07-17 21:23:13,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:23:13,454 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:23:13,455 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:23:13,455 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:23:13,456 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:23:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:23:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:23:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:23:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:23:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:23:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:23:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:23:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:23:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:23:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:23:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:23:13,524 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 21:23:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:23:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:23:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:23:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:23:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:23:13,525 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:23:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 21:23:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:23:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 21:23:13,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:23:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:23:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:23:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:23:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:23:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:23:13,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:23:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 21:23:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:23:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:23:13,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:23:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:23:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:23:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:23:13,531 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:23:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:23:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:23:13,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:23:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:23:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:23:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:23:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:23:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:23:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:23:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:23:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:23:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:23:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:23:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:23:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:23:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 21:23:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:23:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:23:13,536 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:23:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:23:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:23:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:23:13,537 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 21:23:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:23:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:23:13,538 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 21:23:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 21:23:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:23:13,539 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:23:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:23:13,540 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:23:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:23:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:23:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:23:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:23:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:23:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:23:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:23:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:23:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:23:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:23:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:23:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:23:13,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:23:15,167 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:23:15,168 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:23:15,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:23:15 BoogieIcfgContainer [2020-07-17 21:23:15,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:23:15,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:23:15,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:23:15,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:23:15,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:23:12" (1/3) ... [2020-07-17 21:23:15,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be9f3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:23:15, skipping insertion in model container [2020-07-17 21:23:15,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:23:13" (2/3) ... [2020-07-17 21:23:15,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@be9f3fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:23:15, skipping insertion in model container [2020-07-17 21:23:15,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:23:15" (3/3) ... [2020-07-17 21:23:15,182 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c [2020-07-17 21:23:15,192 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:23:15,199 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:23:15,213 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:23:15,238 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:23:15,238 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:23:15,238 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:23:15,238 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:23:15,239 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:23:15,239 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:23:15,239 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:23:15,239 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:23:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-07-17 21:23:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:23:15,275 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:23:15,276 INFO L422 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:23:15,277 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:23:15,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:23:15,284 INFO L82 PathProgramCache]: Analyzing trace with hash -16432852, now seen corresponding path program 1 times [2020-07-17 21:23:15,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:23:15,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113344929] [2020-07-17 21:23:15,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:23:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,073 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:23:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,144 INFO L280 TraceCheckUtils]: 0: Hoare triple {196#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {173#true} is VALID [2020-07-17 21:23:16,145 INFO L280 TraceCheckUtils]: 1: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,145 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {173#true} {173#true} #507#return; {173#true} is VALID [2020-07-17 21:23:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,154 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,154 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {173#true} {173#true} #415#return; {173#true} is VALID [2020-07-17 21:23:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,157 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,157 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {173#true} {173#true} #417#return; {173#true} is VALID [2020-07-17 21:23:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,163 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {173#true} is VALID [2020-07-17 21:23:16,163 INFO L280 TraceCheckUtils]: 1: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,163 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {173#true} {173#true} #419#return; {173#true} is VALID [2020-07-17 21:23:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,166 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,167 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {173#true} {173#true} #421#return; {173#true} is VALID [2020-07-17 21:23:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,171 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {173#true} is VALID [2020-07-17 21:23:16,171 INFO L280 TraceCheckUtils]: 1: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,171 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {173#true} {174#false} #499#return; {174#false} is VALID [2020-07-17 21:23:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,175 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {173#true} is VALID [2020-07-17 21:23:16,175 INFO L280 TraceCheckUtils]: 1: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,176 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {173#true} {174#false} #501#return; {174#false} is VALID [2020-07-17 21:23:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:16,180 INFO L280 TraceCheckUtils]: 0: Hoare triple {173#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {173#true} is VALID [2020-07-17 21:23:16,180 INFO L280 TraceCheckUtils]: 1: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,180 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {173#true} {174#false} #503#return; {174#false} is VALID [2020-07-17 21:23:16,186 INFO L263 TraceCheckUtils]: 0: Hoare triple {173#true} call ULTIMATE.init(); {196#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:23:16,187 INFO L280 TraceCheckUtils]: 1: Hoare triple {196#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {173#true} is VALID [2020-07-17 21:23:16,187 INFO L280 TraceCheckUtils]: 2: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,188 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {173#true} {173#true} #507#return; {173#true} is VALID [2020-07-17 21:23:16,188 INFO L263 TraceCheckUtils]: 4: Hoare triple {173#true} call #t~ret73 := main(); {173#true} is VALID [2020-07-17 21:23:16,188 INFO L280 TraceCheckUtils]: 5: Hoare triple {173#true} havoc ~retValue_acc~9;havoc ~tmp~6; {173#true} is VALID [2020-07-17 21:23:16,189 INFO L263 TraceCheckUtils]: 6: Hoare triple {173#true} call select_helpers(); {173#true} is VALID [2020-07-17 21:23:16,189 INFO L280 TraceCheckUtils]: 7: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,189 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {173#true} {173#true} #415#return; {173#true} is VALID [2020-07-17 21:23:16,190 INFO L263 TraceCheckUtils]: 9: Hoare triple {173#true} call select_features(); {173#true} is VALID [2020-07-17 21:23:16,190 INFO L280 TraceCheckUtils]: 10: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,190 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {173#true} {173#true} #417#return; {173#true} is VALID [2020-07-17 21:23:16,191 INFO L263 TraceCheckUtils]: 12: Hoare triple {173#true} call #t~ret68 := valid_product(); {173#true} is VALID [2020-07-17 21:23:16,191 INFO L280 TraceCheckUtils]: 13: Hoare triple {173#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {173#true} is VALID [2020-07-17 21:23:16,191 INFO L280 TraceCheckUtils]: 14: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,191 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {173#true} {173#true} #419#return; {173#true} is VALID [2020-07-17 21:23:16,192 INFO L280 TraceCheckUtils]: 16: Hoare triple {173#true} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {173#true} is VALID [2020-07-17 21:23:16,192 INFO L280 TraceCheckUtils]: 17: Hoare triple {173#true} assume 0 != ~tmp~6; {173#true} is VALID [2020-07-17 21:23:16,192 INFO L263 TraceCheckUtils]: 18: Hoare triple {173#true} call setup(); {173#true} is VALID [2020-07-17 21:23:16,193 INFO L280 TraceCheckUtils]: 19: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,193 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {173#true} {173#true} #421#return; {173#true} is VALID [2020-07-17 21:23:16,194 INFO L263 TraceCheckUtils]: 21: Hoare triple {173#true} call runTest(); {173#true} is VALID [2020-07-17 21:23:16,194 INFO L263 TraceCheckUtils]: 22: Hoare triple {173#true} call test(); {173#true} is VALID [2020-07-17 21:23:16,194 INFO L280 TraceCheckUtils]: 23: Hoare triple {173#true} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {173#true} is VALID [2020-07-17 21:23:16,195 INFO L280 TraceCheckUtils]: 24: Hoare triple {173#true} assume !true; {174#false} is VALID [2020-07-17 21:23:16,195 INFO L263 TraceCheckUtils]: 25: Hoare triple {174#false} call cleanup(); {174#false} is VALID [2020-07-17 21:23:16,196 INFO L280 TraceCheckUtils]: 26: Hoare triple {174#false} havoc ~i~0;havoc ~__cil_tmp2~0; {174#false} is VALID [2020-07-17 21:23:16,196 INFO L263 TraceCheckUtils]: 27: Hoare triple {174#false} call timeShift(); {174#false} is VALID [2020-07-17 21:23:16,197 INFO L280 TraceCheckUtils]: 28: Hoare triple {174#false} assume !(0 != ~pumpRunning~0); {174#false} is VALID [2020-07-17 21:23:16,197 INFO L280 TraceCheckUtils]: 29: Hoare triple {174#false} assume !(0 != ~systemActive~0); {174#false} is VALID [2020-07-17 21:23:16,197 INFO L263 TraceCheckUtils]: 30: Hoare triple {174#false} call __utac_acc__Specification3_spec__1(); {174#false} is VALID [2020-07-17 21:23:16,198 INFO L280 TraceCheckUtils]: 31: Hoare triple {174#false} havoc ~tmp~7;havoc ~tmp___0~2;havoc ~tmp___1~1; {174#false} is VALID [2020-07-17 21:23:16,198 INFO L263 TraceCheckUtils]: 32: Hoare triple {174#false} call #t~ret70 := isMethaneLevelCritical(); {173#true} is VALID [2020-07-17 21:23:16,198 INFO L280 TraceCheckUtils]: 33: Hoare triple {173#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {173#true} is VALID [2020-07-17 21:23:16,198 INFO L280 TraceCheckUtils]: 34: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,199 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {173#true} {174#false} #499#return; {174#false} is VALID [2020-07-17 21:23:16,199 INFO L280 TraceCheckUtils]: 36: Hoare triple {174#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {174#false} is VALID [2020-07-17 21:23:16,199 INFO L280 TraceCheckUtils]: 37: Hoare triple {174#false} assume !(0 != ~tmp~7); {174#false} is VALID [2020-07-17 21:23:16,200 INFO L263 TraceCheckUtils]: 38: Hoare triple {174#false} call #t~ret71 := getWaterLevel(); {173#true} is VALID [2020-07-17 21:23:16,200 INFO L280 TraceCheckUtils]: 39: Hoare triple {173#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {173#true} is VALID [2020-07-17 21:23:16,200 INFO L280 TraceCheckUtils]: 40: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,201 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {173#true} {174#false} #501#return; {174#false} is VALID [2020-07-17 21:23:16,201 INFO L280 TraceCheckUtils]: 42: Hoare triple {174#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~2 := #t~ret71;havoc #t~ret71; {174#false} is VALID [2020-07-17 21:23:16,201 INFO L280 TraceCheckUtils]: 43: Hoare triple {174#false} assume 2 == ~tmp___0~2; {174#false} is VALID [2020-07-17 21:23:16,202 INFO L263 TraceCheckUtils]: 44: Hoare triple {174#false} call #t~ret72 := isPumpRunning(); {173#true} is VALID [2020-07-17 21:23:16,202 INFO L280 TraceCheckUtils]: 45: Hoare triple {173#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {173#true} is VALID [2020-07-17 21:23:16,202 INFO L280 TraceCheckUtils]: 46: Hoare triple {173#true} assume true; {173#true} is VALID [2020-07-17 21:23:16,203 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {173#true} {174#false} #503#return; {174#false} is VALID [2020-07-17 21:23:16,203 INFO L280 TraceCheckUtils]: 48: Hoare triple {174#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {174#false} is VALID [2020-07-17 21:23:16,203 INFO L280 TraceCheckUtils]: 49: Hoare triple {174#false} assume !(0 != ~tmp___1~1); {174#false} is VALID [2020-07-17 21:23:16,204 INFO L263 TraceCheckUtils]: 50: Hoare triple {174#false} call __automaton_fail(); {174#false} is VALID [2020-07-17 21:23:16,204 INFO L280 TraceCheckUtils]: 51: Hoare triple {174#false} assume !false; {174#false} is VALID [2020-07-17 21:23:16,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:23:16,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113344929] [2020-07-17 21:23:16,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:23:16,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:23:16,215 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606843674] [2020-07-17 21:23:16,221 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:23:16,224 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:23:16,228 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:23:16,307 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:16,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:23:16,307 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:23:16,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:23:16,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:23:16,319 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-07-17 21:23:20,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:20,681 INFO L93 Difference]: Finished difference Result 290 states and 378 transitions. [2020-07-17 21:23:20,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:23:20,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:23:20,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:23:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:23:20,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2020-07-17 21:23:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:23:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 378 transitions. [2020-07-17 21:23:20,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 378 transitions. [2020-07-17 21:23:21,983 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 378 edges. 378 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:22,005 INFO L225 Difference]: With dead ends: 290 [2020-07-17 21:23:22,005 INFO L226 Difference]: Without dead ends: 157 [2020-07-17 21:23:22,009 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:23:22,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-07-17 21:23:23,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 124. [2020-07-17 21:23:23,193 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:23:23,195 INFO L82 GeneralOperation]: Start isEquivalent. First operand 157 states. Second operand 124 states. [2020-07-17 21:23:23,195 INFO L74 IsIncluded]: Start isIncluded. First operand 157 states. Second operand 124 states. [2020-07-17 21:23:23,196 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 124 states. [2020-07-17 21:23:23,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:23,222 INFO L93 Difference]: Finished difference Result 157 states and 197 transitions. [2020-07-17 21:23:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 197 transitions. [2020-07-17 21:23:23,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:23:23,232 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:23:23,232 INFO L74 IsIncluded]: Start isIncluded. First operand 124 states. Second operand 157 states. [2020-07-17 21:23:23,233 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 157 states. [2020-07-17 21:23:23,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:23,252 INFO L93 Difference]: Finished difference Result 157 states and 197 transitions. [2020-07-17 21:23:23,253 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 197 transitions. [2020-07-17 21:23:23,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:23:23,254 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:23:23,255 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:23:23,255 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:23:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-07-17 21:23:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-07-17 21:23:23,266 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2020-07-17 21:23:23,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:23:23,267 INFO L479 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-07-17 21:23:23,267 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:23:23,268 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-07-17 21:23:23,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:23:23,269 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:23:23,270 INFO L422 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:23:23,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:23:23,274 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:23:23,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:23:23,274 INFO L82 PathProgramCache]: Analyzing trace with hash -687450637, now seen corresponding path program 1 times [2020-07-17 21:23:23,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:23:23,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773236260] [2020-07-17 21:23:23,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:23:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,645 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:23:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,702 INFO L280 TraceCheckUtils]: 0: Hoare triple {1118#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1094#true} is VALID [2020-07-17 21:23:23,702 INFO L280 TraceCheckUtils]: 1: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,703 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1094#true} {1094#true} #507#return; {1094#true} is VALID [2020-07-17 21:23:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,706 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,707 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1094#true} {1094#true} #415#return; {1094#true} is VALID [2020-07-17 21:23:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,710 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,711 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1094#true} {1094#true} #417#return; {1094#true} is VALID [2020-07-17 21:23:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,714 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {1094#true} is VALID [2020-07-17 21:23:23,714 INFO L280 TraceCheckUtils]: 1: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,714 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1094#true} {1094#true} #419#return; {1094#true} is VALID [2020-07-17 21:23:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,717 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,718 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1094#true} {1094#true} #421#return; {1094#true} is VALID [2020-07-17 21:23:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,721 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1094#true} is VALID [2020-07-17 21:23:23,722 INFO L280 TraceCheckUtils]: 1: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,722 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1094#true} {1095#false} #499#return; {1095#false} is VALID [2020-07-17 21:23:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,727 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1094#true} is VALID [2020-07-17 21:23:23,728 INFO L280 TraceCheckUtils]: 1: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,728 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1094#true} {1095#false} #501#return; {1095#false} is VALID [2020-07-17 21:23:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:23,732 INFO L280 TraceCheckUtils]: 0: Hoare triple {1094#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {1094#true} is VALID [2020-07-17 21:23:23,732 INFO L280 TraceCheckUtils]: 1: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,732 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1094#true} {1095#false} #503#return; {1095#false} is VALID [2020-07-17 21:23:23,738 INFO L263 TraceCheckUtils]: 0: Hoare triple {1094#true} call ULTIMATE.init(); {1118#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:23:23,738 INFO L280 TraceCheckUtils]: 1: Hoare triple {1118#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1094#true} is VALID [2020-07-17 21:23:23,739 INFO L280 TraceCheckUtils]: 2: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,739 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1094#true} {1094#true} #507#return; {1094#true} is VALID [2020-07-17 21:23:23,740 INFO L263 TraceCheckUtils]: 4: Hoare triple {1094#true} call #t~ret73 := main(); {1094#true} is VALID [2020-07-17 21:23:23,740 INFO L280 TraceCheckUtils]: 5: Hoare triple {1094#true} havoc ~retValue_acc~9;havoc ~tmp~6; {1094#true} is VALID [2020-07-17 21:23:23,741 INFO L263 TraceCheckUtils]: 6: Hoare triple {1094#true} call select_helpers(); {1094#true} is VALID [2020-07-17 21:23:23,741 INFO L280 TraceCheckUtils]: 7: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,741 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1094#true} {1094#true} #415#return; {1094#true} is VALID [2020-07-17 21:23:23,742 INFO L263 TraceCheckUtils]: 9: Hoare triple {1094#true} call select_features(); {1094#true} is VALID [2020-07-17 21:23:23,742 INFO L280 TraceCheckUtils]: 10: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,742 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1094#true} {1094#true} #417#return; {1094#true} is VALID [2020-07-17 21:23:23,743 INFO L263 TraceCheckUtils]: 12: Hoare triple {1094#true} call #t~ret68 := valid_product(); {1094#true} is VALID [2020-07-17 21:23:23,743 INFO L280 TraceCheckUtils]: 13: Hoare triple {1094#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {1094#true} is VALID [2020-07-17 21:23:23,744 INFO L280 TraceCheckUtils]: 14: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,744 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1094#true} {1094#true} #419#return; {1094#true} is VALID [2020-07-17 21:23:23,744 INFO L280 TraceCheckUtils]: 16: Hoare triple {1094#true} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {1094#true} is VALID [2020-07-17 21:23:23,745 INFO L280 TraceCheckUtils]: 17: Hoare triple {1094#true} assume 0 != ~tmp~6; {1094#true} is VALID [2020-07-17 21:23:23,745 INFO L263 TraceCheckUtils]: 18: Hoare triple {1094#true} call setup(); {1094#true} is VALID [2020-07-17 21:23:23,745 INFO L280 TraceCheckUtils]: 19: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,746 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1094#true} {1094#true} #421#return; {1094#true} is VALID [2020-07-17 21:23:23,746 INFO L263 TraceCheckUtils]: 21: Hoare triple {1094#true} call runTest(); {1094#true} is VALID [2020-07-17 21:23:23,746 INFO L263 TraceCheckUtils]: 22: Hoare triple {1094#true} call test(); {1094#true} is VALID [2020-07-17 21:23:23,748 INFO L280 TraceCheckUtils]: 23: Hoare triple {1094#true} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1108#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:23:23,748 INFO L280 TraceCheckUtils]: 24: Hoare triple {1108#(= 0 test_~splverifierCounter~0)} assume !false; {1108#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:23:23,749 INFO L280 TraceCheckUtils]: 25: Hoare triple {1108#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1095#false} is VALID [2020-07-17 21:23:23,749 INFO L263 TraceCheckUtils]: 26: Hoare triple {1095#false} call cleanup(); {1095#false} is VALID [2020-07-17 21:23:23,749 INFO L280 TraceCheckUtils]: 27: Hoare triple {1095#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1095#false} is VALID [2020-07-17 21:23:23,750 INFO L263 TraceCheckUtils]: 28: Hoare triple {1095#false} call timeShift(); {1095#false} is VALID [2020-07-17 21:23:23,750 INFO L280 TraceCheckUtils]: 29: Hoare triple {1095#false} assume !(0 != ~pumpRunning~0); {1095#false} is VALID [2020-07-17 21:23:23,750 INFO L280 TraceCheckUtils]: 30: Hoare triple {1095#false} assume !(0 != ~systemActive~0); {1095#false} is VALID [2020-07-17 21:23:23,751 INFO L263 TraceCheckUtils]: 31: Hoare triple {1095#false} call __utac_acc__Specification3_spec__1(); {1095#false} is VALID [2020-07-17 21:23:23,751 INFO L280 TraceCheckUtils]: 32: Hoare triple {1095#false} havoc ~tmp~7;havoc ~tmp___0~2;havoc ~tmp___1~1; {1095#false} is VALID [2020-07-17 21:23:23,751 INFO L263 TraceCheckUtils]: 33: Hoare triple {1095#false} call #t~ret70 := isMethaneLevelCritical(); {1094#true} is VALID [2020-07-17 21:23:23,751 INFO L280 TraceCheckUtils]: 34: Hoare triple {1094#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1094#true} is VALID [2020-07-17 21:23:23,752 INFO L280 TraceCheckUtils]: 35: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,752 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1094#true} {1095#false} #499#return; {1095#false} is VALID [2020-07-17 21:23:23,752 INFO L280 TraceCheckUtils]: 37: Hoare triple {1095#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {1095#false} is VALID [2020-07-17 21:23:23,752 INFO L280 TraceCheckUtils]: 38: Hoare triple {1095#false} assume !(0 != ~tmp~7); {1095#false} is VALID [2020-07-17 21:23:23,753 INFO L263 TraceCheckUtils]: 39: Hoare triple {1095#false} call #t~ret71 := getWaterLevel(); {1094#true} is VALID [2020-07-17 21:23:23,753 INFO L280 TraceCheckUtils]: 40: Hoare triple {1094#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1094#true} is VALID [2020-07-17 21:23:23,753 INFO L280 TraceCheckUtils]: 41: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,754 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1094#true} {1095#false} #501#return; {1095#false} is VALID [2020-07-17 21:23:23,754 INFO L280 TraceCheckUtils]: 43: Hoare triple {1095#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~2 := #t~ret71;havoc #t~ret71; {1095#false} is VALID [2020-07-17 21:23:23,754 INFO L280 TraceCheckUtils]: 44: Hoare triple {1095#false} assume 2 == ~tmp___0~2; {1095#false} is VALID [2020-07-17 21:23:23,754 INFO L263 TraceCheckUtils]: 45: Hoare triple {1095#false} call #t~ret72 := isPumpRunning(); {1094#true} is VALID [2020-07-17 21:23:23,755 INFO L280 TraceCheckUtils]: 46: Hoare triple {1094#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {1094#true} is VALID [2020-07-17 21:23:23,755 INFO L280 TraceCheckUtils]: 47: Hoare triple {1094#true} assume true; {1094#true} is VALID [2020-07-17 21:23:23,755 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1094#true} {1095#false} #503#return; {1095#false} is VALID [2020-07-17 21:23:23,755 INFO L280 TraceCheckUtils]: 49: Hoare triple {1095#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {1095#false} is VALID [2020-07-17 21:23:23,756 INFO L280 TraceCheckUtils]: 50: Hoare triple {1095#false} assume !(0 != ~tmp___1~1); {1095#false} is VALID [2020-07-17 21:23:23,756 INFO L263 TraceCheckUtils]: 51: Hoare triple {1095#false} call __automaton_fail(); {1095#false} is VALID [2020-07-17 21:23:23,756 INFO L280 TraceCheckUtils]: 52: Hoare triple {1095#false} assume !false; {1095#false} is VALID [2020-07-17 21:23:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:23:23,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773236260] [2020-07-17 21:23:23,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:23:23,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:23:23,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144571107] [2020-07-17 21:23:23,765 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:23:23,765 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:23:23,765 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:23:23,862 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:23,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:23:23,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:23:23,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:23:23,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:23:23,863 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 4 states. [2020-07-17 21:23:25,197 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:23:28,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:28,406 INFO L93 Difference]: Finished difference Result 210 states and 255 transitions. [2020-07-17 21:23:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:23:28,406 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:23:28,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:23:28,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:23:28,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 255 transitions. [2020-07-17 21:23:28,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:23:28,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 255 transitions. [2020-07-17 21:23:28,420 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 255 transitions. [2020-07-17 21:23:29,295 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 255 edges. 255 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:29,302 INFO L225 Difference]: With dead ends: 210 [2020-07-17 21:23:29,302 INFO L226 Difference]: Without dead ends: 141 [2020-07-17 21:23:29,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:23:29,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-07-17 21:23:30,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 115. [2020-07-17 21:23:30,514 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:23:30,514 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states. Second operand 115 states. [2020-07-17 21:23:30,514 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states. Second operand 115 states. [2020-07-17 21:23:30,514 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 115 states. [2020-07-17 21:23:30,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:30,523 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2020-07-17 21:23:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2020-07-17 21:23:30,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:23:30,524 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:23:30,525 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 141 states. [2020-07-17 21:23:30,525 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 141 states. [2020-07-17 21:23:30,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:30,533 INFO L93 Difference]: Finished difference Result 141 states and 173 transitions. [2020-07-17 21:23:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2020-07-17 21:23:30,534 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:23:30,534 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:23:30,534 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:23:30,534 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:23:30,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-07-17 21:23:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 132 transitions. [2020-07-17 21:23:30,540 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 132 transitions. Word has length 53 [2020-07-17 21:23:30,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:23:30,540 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 132 transitions. [2020-07-17 21:23:30,540 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:23:30,540 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2020-07-17 21:23:30,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 21:23:30,542 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:23:30,542 INFO L422 BasicCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:23:30,543 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:23:30,543 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:23:30,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:23:30,543 INFO L82 PathProgramCache]: Analyzing trace with hash 585649573, now seen corresponding path program 1 times [2020-07-17 21:23:30,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:23:30,544 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944484227] [2020-07-17 21:23:30,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:23:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:30,910 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:23:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,010 INFO L280 TraceCheckUtils]: 0: Hoare triple {1896#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,016 INFO L280 TraceCheckUtils]: 1: Hoare triple {1874#(= 1 ~systemActive~0)} assume true; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,016 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1874#(= 1 ~systemActive~0)} {1869#true} #507#return; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,019 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,020 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1869#true} {1874#(= 1 ~systemActive~0)} #415#return; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,025 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,026 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1869#true} {1874#(= 1 ~systemActive~0)} #417#return; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,047 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {1897#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:23:31,048 INFO L280 TraceCheckUtils]: 1: Hoare triple {1897#(= 1 |valid_product_#res|)} assume true; {1897#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:23:31,049 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1897#(= 1 |valid_product_#res|)} {1874#(= 1 ~systemActive~0)} #419#return; {1882#(= |main_#t~ret68| ~systemActive~0)} is VALID [2020-07-17 21:23:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,053 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,053 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1869#true} {1884#(not (= 0 ~systemActive~0))} #421#return; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,058 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1869#true} is VALID [2020-07-17 21:23:31,059 INFO L280 TraceCheckUtils]: 1: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,059 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1869#true} {1870#false} #499#return; {1870#false} is VALID [2020-07-17 21:23:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,062 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1869#true} is VALID [2020-07-17 21:23:31,062 INFO L280 TraceCheckUtils]: 1: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,062 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1869#true} {1870#false} #501#return; {1870#false} is VALID [2020-07-17 21:23:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:31,065 INFO L280 TraceCheckUtils]: 0: Hoare triple {1869#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {1869#true} is VALID [2020-07-17 21:23:31,065 INFO L280 TraceCheckUtils]: 1: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,065 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1869#true} {1870#false} #503#return; {1870#false} is VALID [2020-07-17 21:23:31,070 INFO L263 TraceCheckUtils]: 0: Hoare triple {1869#true} call ULTIMATE.init(); {1896#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:23:31,075 INFO L280 TraceCheckUtils]: 1: Hoare triple {1896#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,075 INFO L280 TraceCheckUtils]: 2: Hoare triple {1874#(= 1 ~systemActive~0)} assume true; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,076 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1874#(= 1 ~systemActive~0)} {1869#true} #507#return; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,077 INFO L263 TraceCheckUtils]: 4: Hoare triple {1874#(= 1 ~systemActive~0)} call #t~ret73 := main(); {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,078 INFO L280 TraceCheckUtils]: 5: Hoare triple {1874#(= 1 ~systemActive~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,078 INFO L263 TraceCheckUtils]: 6: Hoare triple {1874#(= 1 ~systemActive~0)} call select_helpers(); {1869#true} is VALID [2020-07-17 21:23:31,078 INFO L280 TraceCheckUtils]: 7: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,079 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1869#true} {1874#(= 1 ~systemActive~0)} #415#return; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,079 INFO L263 TraceCheckUtils]: 9: Hoare triple {1874#(= 1 ~systemActive~0)} call select_features(); {1869#true} is VALID [2020-07-17 21:23:31,079 INFO L280 TraceCheckUtils]: 10: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,080 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1869#true} {1874#(= 1 ~systemActive~0)} #417#return; {1874#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:23:31,080 INFO L263 TraceCheckUtils]: 12: Hoare triple {1874#(= 1 ~systemActive~0)} call #t~ret68 := valid_product(); {1869#true} is VALID [2020-07-17 21:23:31,081 INFO L280 TraceCheckUtils]: 13: Hoare triple {1869#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {1897#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:23:31,081 INFO L280 TraceCheckUtils]: 14: Hoare triple {1897#(= 1 |valid_product_#res|)} assume true; {1897#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:23:31,082 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1897#(= 1 |valid_product_#res|)} {1874#(= 1 ~systemActive~0)} #419#return; {1882#(= |main_#t~ret68| ~systemActive~0)} is VALID [2020-07-17 21:23:31,083 INFO L280 TraceCheckUtils]: 16: Hoare triple {1882#(= |main_#t~ret68| ~systemActive~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {1883#(= main_~tmp~6 ~systemActive~0)} is VALID [2020-07-17 21:23:31,084 INFO L280 TraceCheckUtils]: 17: Hoare triple {1883#(= main_~tmp~6 ~systemActive~0)} assume 0 != ~tmp~6; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,084 INFO L263 TraceCheckUtils]: 18: Hoare triple {1884#(not (= 0 ~systemActive~0))} call setup(); {1869#true} is VALID [2020-07-17 21:23:31,084 INFO L280 TraceCheckUtils]: 19: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,085 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1869#true} {1884#(not (= 0 ~systemActive~0))} #421#return; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,085 INFO L263 TraceCheckUtils]: 21: Hoare triple {1884#(not (= 0 ~systemActive~0))} call runTest(); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,086 INFO L263 TraceCheckUtils]: 22: Hoare triple {1884#(not (= 0 ~systemActive~0))} call test(); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,086 INFO L280 TraceCheckUtils]: 23: Hoare triple {1884#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,087 INFO L280 TraceCheckUtils]: 24: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !false; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,088 INFO L280 TraceCheckUtils]: 25: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,088 INFO L280 TraceCheckUtils]: 26: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;~tmp~5 := #t~nondet54;havoc #t~nondet54; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,089 INFO L280 TraceCheckUtils]: 27: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~5); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,089 INFO L280 TraceCheckUtils]: 28: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet55 && #t~nondet55 <= 2147483647;~tmp___0~1 := #t~nondet55;havoc #t~nondet55; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,090 INFO L280 TraceCheckUtils]: 29: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,091 INFO L280 TraceCheckUtils]: 30: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp___2~0 := #t~nondet56;havoc #t~nondet56; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,091 INFO L280 TraceCheckUtils]: 31: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___1~0 := #t~nondet57;havoc #t~nondet57; {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,092 INFO L280 TraceCheckUtils]: 32: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~0); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,093 INFO L263 TraceCheckUtils]: 33: Hoare triple {1884#(not (= 0 ~systemActive~0))} call timeShift(); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,093 INFO L280 TraceCheckUtils]: 34: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1884#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:23:31,094 INFO L280 TraceCheckUtils]: 35: Hoare triple {1884#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1870#false} is VALID [2020-07-17 21:23:31,094 INFO L263 TraceCheckUtils]: 36: Hoare triple {1870#false} call __utac_acc__Specification3_spec__1(); {1870#false} is VALID [2020-07-17 21:23:31,094 INFO L280 TraceCheckUtils]: 37: Hoare triple {1870#false} havoc ~tmp~7;havoc ~tmp___0~2;havoc ~tmp___1~1; {1870#false} is VALID [2020-07-17 21:23:31,094 INFO L263 TraceCheckUtils]: 38: Hoare triple {1870#false} call #t~ret70 := isMethaneLevelCritical(); {1869#true} is VALID [2020-07-17 21:23:31,095 INFO L280 TraceCheckUtils]: 39: Hoare triple {1869#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1869#true} is VALID [2020-07-17 21:23:31,095 INFO L280 TraceCheckUtils]: 40: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,095 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {1869#true} {1870#false} #499#return; {1870#false} is VALID [2020-07-17 21:23:31,095 INFO L280 TraceCheckUtils]: 42: Hoare triple {1870#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {1870#false} is VALID [2020-07-17 21:23:31,096 INFO L280 TraceCheckUtils]: 43: Hoare triple {1870#false} assume !(0 != ~tmp~7); {1870#false} is VALID [2020-07-17 21:23:31,096 INFO L263 TraceCheckUtils]: 44: Hoare triple {1870#false} call #t~ret71 := getWaterLevel(); {1869#true} is VALID [2020-07-17 21:23:31,096 INFO L280 TraceCheckUtils]: 45: Hoare triple {1869#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1869#true} is VALID [2020-07-17 21:23:31,096 INFO L280 TraceCheckUtils]: 46: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,097 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {1869#true} {1870#false} #501#return; {1870#false} is VALID [2020-07-17 21:23:31,097 INFO L280 TraceCheckUtils]: 48: Hoare triple {1870#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~2 := #t~ret71;havoc #t~ret71; {1870#false} is VALID [2020-07-17 21:23:31,097 INFO L280 TraceCheckUtils]: 49: Hoare triple {1870#false} assume 2 == ~tmp___0~2; {1870#false} is VALID [2020-07-17 21:23:31,097 INFO L263 TraceCheckUtils]: 50: Hoare triple {1870#false} call #t~ret72 := isPumpRunning(); {1869#true} is VALID [2020-07-17 21:23:31,098 INFO L280 TraceCheckUtils]: 51: Hoare triple {1869#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {1869#true} is VALID [2020-07-17 21:23:31,098 INFO L280 TraceCheckUtils]: 52: Hoare triple {1869#true} assume true; {1869#true} is VALID [2020-07-17 21:23:31,098 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {1869#true} {1870#false} #503#return; {1870#false} is VALID [2020-07-17 21:23:31,098 INFO L280 TraceCheckUtils]: 54: Hoare triple {1870#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {1870#false} is VALID [2020-07-17 21:23:31,099 INFO L280 TraceCheckUtils]: 55: Hoare triple {1870#false} assume !(0 != ~tmp___1~1); {1870#false} is VALID [2020-07-17 21:23:31,099 INFO L263 TraceCheckUtils]: 56: Hoare triple {1870#false} call __automaton_fail(); {1870#false} is VALID [2020-07-17 21:23:31,099 INFO L280 TraceCheckUtils]: 57: Hoare triple {1870#false} assume !false; {1870#false} is VALID [2020-07-17 21:23:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:23:31,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944484227] [2020-07-17 21:23:31,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:23:31,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:23:31,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182394947] [2020-07-17 21:23:31,109 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:23:31,109 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:23:31,109 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:23:31,180 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:31,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:23:31,181 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:23:31,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:23:31,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:23:31,182 INFO L87 Difference]: Start difference. First operand 115 states and 132 transitions. Second operand 8 states. [2020-07-17 21:23:31,940 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:23:32,840 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:23:33,221 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:23:33,561 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:23:37,360 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:23:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:46,840 INFO L93 Difference]: Finished difference Result 402 states and 494 transitions. [2020-07-17 21:23:46,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:23:46,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:23:46,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:23:46,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:23:46,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 494 transitions. [2020-07-17 21:23:46,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:23:46,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 494 transitions. [2020-07-17 21:23:46,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 494 transitions. [2020-07-17 21:23:48,557 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 494 edges. 494 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:48,570 INFO L225 Difference]: With dead ends: 402 [2020-07-17 21:23:48,570 INFO L226 Difference]: Without dead ends: 311 [2020-07-17 21:23:48,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 21:23:48,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2020-07-17 21:23:50,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 238. [2020-07-17 21:23:50,991 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:23:50,991 INFO L82 GeneralOperation]: Start isEquivalent. First operand 311 states. Second operand 238 states. [2020-07-17 21:23:50,991 INFO L74 IsIncluded]: Start isIncluded. First operand 311 states. Second operand 238 states. [2020-07-17 21:23:50,991 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 238 states. [2020-07-17 21:23:51,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:51,008 INFO L93 Difference]: Finished difference Result 311 states and 379 transitions. [2020-07-17 21:23:51,008 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 379 transitions. [2020-07-17 21:23:51,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:23:51,010 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:23:51,010 INFO L74 IsIncluded]: Start isIncluded. First operand 238 states. Second operand 311 states. [2020-07-17 21:23:51,010 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 311 states. [2020-07-17 21:23:51,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:23:51,026 INFO L93 Difference]: Finished difference Result 311 states and 379 transitions. [2020-07-17 21:23:51,026 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 379 transitions. [2020-07-17 21:23:51,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:23:51,028 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:23:51,028 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:23:51,028 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:23:51,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-17 21:23:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 283 transitions. [2020-07-17 21:23:51,039 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 283 transitions. Word has length 58 [2020-07-17 21:23:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:23:51,039 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 283 transitions. [2020-07-17 21:23:51,039 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:23:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 283 transitions. [2020-07-17 21:23:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 21:23:51,040 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:23:51,041 INFO L422 BasicCegarLoop]: trace 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, 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] [2020-07-17 21:23:51,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:23:51,041 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:23:51,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:23:51,041 INFO L82 PathProgramCache]: Analyzing trace with hash -107584034, now seen corresponding path program 1 times [2020-07-17 21:23:51,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:23:51,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417590413] [2020-07-17 21:23:51,042 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:23:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,387 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:23:51,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,474 INFO L280 TraceCheckUtils]: 0: Hoare triple {3459#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,475 INFO L280 TraceCheckUtils]: 1: Hoare triple {3434#(= 1 ~waterLevel~0)} assume true; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,475 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3434#(= 1 ~waterLevel~0)} {3429#true} #507#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,481 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,481 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #415#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,485 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,485 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #417#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,489 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {3429#true} is VALID [2020-07-17 21:23:51,489 INFO L280 TraceCheckUtils]: 1: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,490 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #419#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,493 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,494 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #421#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,514 INFO L280 TraceCheckUtils]: 0: Hoare triple {3460#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3429#true} is VALID [2020-07-17 21:23:51,514 INFO L280 TraceCheckUtils]: 1: Hoare triple {3429#true} ~systemActive~0 := 0; {3429#true} is VALID [2020-07-17 21:23:51,514 INFO L280 TraceCheckUtils]: 2: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,515 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #471#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,518 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {3429#true} is VALID [2020-07-17 21:23:51,518 INFO L280 TraceCheckUtils]: 1: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,519 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #499#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,535 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {3461#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:23:51,536 INFO L280 TraceCheckUtils]: 1: Hoare triple {3461#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3461#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:23:51,537 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3461#(= |getWaterLevel_#res| ~waterLevel~0)} {3434#(= 1 ~waterLevel~0)} #501#return; {3454#(= 1 |__utac_acc__Specification3_spec__1_#t~ret71|)} is VALID [2020-07-17 21:23:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:23:51,540 INFO L280 TraceCheckUtils]: 0: Hoare triple {3429#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {3429#true} is VALID [2020-07-17 21:23:51,540 INFO L280 TraceCheckUtils]: 1: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,540 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3429#true} {3430#false} #503#return; {3430#false} is VALID [2020-07-17 21:23:51,545 INFO L263 TraceCheckUtils]: 0: Hoare triple {3429#true} call ULTIMATE.init(); {3459#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:23:51,551 INFO L280 TraceCheckUtils]: 1: Hoare triple {3459#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string44.base| |old(#t~string44.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(13);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(110, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(102, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 3 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string44.base, #t~string44.offset, 1);call write~init~int(80, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(117, #t~string44.base, 2 + #t~string44.offset, 1);call write~init~int(109, #t~string44.base, 3 + #t~string44.offset, 1);call write~init~int(112, #t~string44.base, 4 + #t~string44.offset, 1);call write~init~int(58, #t~string44.base, 5 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 6 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string46.base, #t~string46.offset, 1);call write~init~int(110, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 2 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string48.base, #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(102, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 3 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string50.base, #t~string50.offset, 1);call write~init~int(32, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,552 INFO L280 TraceCheckUtils]: 2: Hoare triple {3434#(= 1 ~waterLevel~0)} assume true; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,552 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3434#(= 1 ~waterLevel~0)} {3429#true} #507#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,553 INFO L263 TraceCheckUtils]: 4: Hoare triple {3434#(= 1 ~waterLevel~0)} call #t~ret73 := main(); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,554 INFO L280 TraceCheckUtils]: 5: Hoare triple {3434#(= 1 ~waterLevel~0)} havoc ~retValue_acc~9;havoc ~tmp~6; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,554 INFO L263 TraceCheckUtils]: 6: Hoare triple {3434#(= 1 ~waterLevel~0)} call select_helpers(); {3429#true} is VALID [2020-07-17 21:23:51,554 INFO L280 TraceCheckUtils]: 7: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,555 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #415#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,555 INFO L263 TraceCheckUtils]: 9: Hoare triple {3434#(= 1 ~waterLevel~0)} call select_features(); {3429#true} is VALID [2020-07-17 21:23:51,556 INFO L280 TraceCheckUtils]: 10: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,556 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #417#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,557 INFO L263 TraceCheckUtils]: 12: Hoare triple {3434#(= 1 ~waterLevel~0)} call #t~ret68 := valid_product(); {3429#true} is VALID [2020-07-17 21:23:51,557 INFO L280 TraceCheckUtils]: 13: Hoare triple {3429#true} havoc ~retValue_acc~11;~retValue_acc~11 := 1;#res := ~retValue_acc~11; {3429#true} is VALID [2020-07-17 21:23:51,557 INFO L280 TraceCheckUtils]: 14: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,558 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #419#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,558 INFO L280 TraceCheckUtils]: 16: Hoare triple {3434#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret68 && #t~ret68 <= 2147483647;~tmp~6 := #t~ret68;havoc #t~ret68; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,559 INFO L280 TraceCheckUtils]: 17: Hoare triple {3434#(= 1 ~waterLevel~0)} assume 0 != ~tmp~6; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,559 INFO L263 TraceCheckUtils]: 18: Hoare triple {3434#(= 1 ~waterLevel~0)} call setup(); {3429#true} is VALID [2020-07-17 21:23:51,559 INFO L280 TraceCheckUtils]: 19: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,560 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #421#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,561 INFO L263 TraceCheckUtils]: 21: Hoare triple {3434#(= 1 ~waterLevel~0)} call runTest(); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,561 INFO L263 TraceCheckUtils]: 22: Hoare triple {3434#(= 1 ~waterLevel~0)} call test(); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,562 INFO L280 TraceCheckUtils]: 23: Hoare triple {3434#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,563 INFO L280 TraceCheckUtils]: 24: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !false; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,564 INFO L280 TraceCheckUtils]: 25: Hoare triple {3434#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,564 INFO L280 TraceCheckUtils]: 26: Hoare triple {3434#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet54 && #t~nondet54 <= 2147483647;~tmp~5 := #t~nondet54;havoc #t~nondet54; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,565 INFO L280 TraceCheckUtils]: 27: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~5); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,566 INFO L280 TraceCheckUtils]: 28: Hoare triple {3434#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet55 && #t~nondet55 <= 2147483647;~tmp___0~1 := #t~nondet55;havoc #t~nondet55; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,566 INFO L280 TraceCheckUtils]: 29: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,567 INFO L280 TraceCheckUtils]: 30: Hoare triple {3434#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet56 && #t~nondet56 <= 2147483647;~tmp___2~0 := #t~nondet56;havoc #t~nondet56; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,568 INFO L280 TraceCheckUtils]: 31: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet57 && #t~nondet57 <= 2147483647;~tmp___1~0 := #t~nondet57;havoc #t~nondet57; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,568 INFO L280 TraceCheckUtils]: 32: Hoare triple {3434#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~0; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,569 INFO L263 TraceCheckUtils]: 33: Hoare triple {3434#(= 1 ~waterLevel~0)} call stopSystem(); {3460#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-17 21:23:51,570 INFO L280 TraceCheckUtils]: 34: Hoare triple {3460#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3429#true} is VALID [2020-07-17 21:23:51,570 INFO L280 TraceCheckUtils]: 35: Hoare triple {3429#true} ~systemActive~0 := 0; {3429#true} is VALID [2020-07-17 21:23:51,570 INFO L280 TraceCheckUtils]: 36: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,571 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #471#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,571 INFO L263 TraceCheckUtils]: 38: Hoare triple {3434#(= 1 ~waterLevel~0)} call timeShift(); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,572 INFO L280 TraceCheckUtils]: 39: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,573 INFO L280 TraceCheckUtils]: 40: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,573 INFO L263 TraceCheckUtils]: 41: Hoare triple {3434#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,574 INFO L280 TraceCheckUtils]: 42: Hoare triple {3434#(= 1 ~waterLevel~0)} havoc ~tmp~7;havoc ~tmp___0~2;havoc ~tmp___1~1; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,574 INFO L263 TraceCheckUtils]: 43: Hoare triple {3434#(= 1 ~waterLevel~0)} call #t~ret70 := isMethaneLevelCritical(); {3429#true} is VALID [2020-07-17 21:23:51,574 INFO L280 TraceCheckUtils]: 44: Hoare triple {3429#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {3429#true} is VALID [2020-07-17 21:23:51,575 INFO L280 TraceCheckUtils]: 45: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,575 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3429#true} {3434#(= 1 ~waterLevel~0)} #499#return; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,576 INFO L280 TraceCheckUtils]: 47: Hoare triple {3434#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp~7 := #t~ret70;havoc #t~ret70; {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,577 INFO L280 TraceCheckUtils]: 48: Hoare triple {3434#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~7); {3434#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:23:51,577 INFO L263 TraceCheckUtils]: 49: Hoare triple {3434#(= 1 ~waterLevel~0)} call #t~ret71 := getWaterLevel(); {3429#true} is VALID [2020-07-17 21:23:51,578 INFO L280 TraceCheckUtils]: 50: Hoare triple {3429#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {3461#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:23:51,579 INFO L280 TraceCheckUtils]: 51: Hoare triple {3461#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3461#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:23:51,579 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3461#(= |getWaterLevel_#res| ~waterLevel~0)} {3434#(= 1 ~waterLevel~0)} #501#return; {3454#(= 1 |__utac_acc__Specification3_spec__1_#t~ret71|)} is VALID [2020-07-17 21:23:51,580 INFO L280 TraceCheckUtils]: 53: Hoare triple {3454#(= 1 |__utac_acc__Specification3_spec__1_#t~ret71|)} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___0~2 := #t~ret71;havoc #t~ret71; {3455#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~2)} is VALID [2020-07-17 21:23:51,581 INFO L280 TraceCheckUtils]: 54: Hoare triple {3455#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~2)} assume 2 == ~tmp___0~2; {3430#false} is VALID [2020-07-17 21:23:51,581 INFO L263 TraceCheckUtils]: 55: Hoare triple {3430#false} call #t~ret72 := isPumpRunning(); {3429#true} is VALID [2020-07-17 21:23:51,581 INFO L280 TraceCheckUtils]: 56: Hoare triple {3429#true} havoc ~retValue_acc~4;~retValue_acc~4 := ~pumpRunning~0;#res := ~retValue_acc~4; {3429#true} is VALID [2020-07-17 21:23:51,582 INFO L280 TraceCheckUtils]: 57: Hoare triple {3429#true} assume true; {3429#true} is VALID [2020-07-17 21:23:51,582 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3429#true} {3430#false} #503#return; {3430#false} is VALID [2020-07-17 21:23:51,582 INFO L280 TraceCheckUtils]: 59: Hoare triple {3430#false} assume -2147483648 <= #t~ret72 && #t~ret72 <= 2147483647;~tmp___1~1 := #t~ret72;havoc #t~ret72; {3430#false} is VALID [2020-07-17 21:23:51,582 INFO L280 TraceCheckUtils]: 60: Hoare triple {3430#false} assume !(0 != ~tmp___1~1); {3430#false} is VALID [2020-07-17 21:23:51,583 INFO L263 TraceCheckUtils]: 61: Hoare triple {3430#false} call __automaton_fail(); {3430#false} is VALID [2020-07-17 21:23:51,583 INFO L280 TraceCheckUtils]: 62: Hoare triple {3430#false} assume !false; {3430#false} is VALID [2020-07-17 21:23:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:23:51,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417590413] [2020-07-17 21:23:51,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:23:51,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:23:51,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667354371] [2020-07-17 21:23:51,594 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:23:51,595 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:23:51,595 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:23:51,672 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:23:51,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:23:51,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:23:51,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:23:51,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:23:51,673 INFO L87 Difference]: Start difference. First operand 238 states and 283 transitions. Second operand 8 states. [2020-07-17 21:23:52,463 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:24:00,408 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:24:01,214 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:24:01,739 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:24:02,295 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:24:06,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:24:06,688 INFO L93 Difference]: Finished difference Result 729 states and 953 transitions. [2020-07-17 21:24:06,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 21:24:06,689 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:24:06,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:24:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:24:06,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 459 transitions. [2020-07-17 21:24:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:24:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 459 transitions. [2020-07-17 21:24:06,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 459 transitions. [2020-07-17 21:24:08,176 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 459 edges. 459 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:24:08,203 INFO L225 Difference]: With dead ends: 729 [2020-07-17 21:24:08,203 INFO L226 Difference]: Without dead ends: 515 [2020-07-17 21:24:08,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 21:24:08,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2020-07-17 21:24:12,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 449. [2020-07-17 21:24:12,569 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:24:12,569 INFO L82 GeneralOperation]: Start isEquivalent. First operand 515 states. Second operand 449 states. [2020-07-17 21:24:12,570 INFO L74 IsIncluded]: Start isIncluded. First operand 515 states. Second operand 449 states. [2020-07-17 21:24:12,570 INFO L87 Difference]: Start difference. First operand 515 states. Second operand 449 states. [2020-07-17 21:24:12,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:24:12,601 INFO L93 Difference]: Finished difference Result 515 states and 658 transitions. [2020-07-17 21:24:12,601 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 658 transitions. [2020-07-17 21:24:12,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:24:12,604 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:24:12,604 INFO L74 IsIncluded]: Start isIncluded. First operand 449 states. Second operand 515 states. [2020-07-17 21:24:12,604 INFO L87 Difference]: Start difference. First operand 449 states. Second operand 515 states. [2020-07-17 21:24:12,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:24:12,633 INFO L93 Difference]: Finished difference Result 515 states and 658 transitions. [2020-07-17 21:24:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 658 transitions. [2020-07-17 21:24:12,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:24:12,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:24:12,635 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:24:12,635 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:24:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-07-17 21:24:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 545 transitions. [2020-07-17 21:24:12,657 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 545 transitions. Word has length 63 [2020-07-17 21:24:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:24:12,657 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 545 transitions. [2020-07-17 21:24:12,657 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:24:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 545 transitions. [2020-07-17 21:24:12,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 21:24:12,659 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:24:12,660 INFO L422 BasicCegarLoop]: trace 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, 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] [2020-07-17 21:24:12,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:24:12,660 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:24:12,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:24:12,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1290048412, now seen corresponding path program 1 times [2020-07-17 21:24:12,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:24:12,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540866071] [2020-07-17 21:24:12,661 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:24:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:24:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:24:12,840 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:24:12,840 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:24:12,840 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:24:12,963 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:24:12,964 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:24:12,965 WARN L170 areAnnotationChecker]: isHighWaterSensorDryENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:24:12,966 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: isHighWaterLevelENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:24:12,967 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:24:12,968 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L183-2 has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:24:12,969 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L850 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L805 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L805 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L584 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-17 21:24:12,970 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L508 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L508 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L466 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-17 21:24:12,971 WARN L170 areAnnotationChecker]: L758 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L662 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-17 21:24:12,972 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: L705-1 has no Hoare annotation [2020-07-17 21:24:12,973 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L436 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L436 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L434 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L681-1 has no Hoare annotation [2020-07-17 21:24:12,974 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L693-1 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L148 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L209 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L184 has no Hoare annotation [2020-07-17 21:24:12,975 WARN L170 areAnnotationChecker]: L850-1 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L850-1 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L806 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L530-2 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L851 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-17 21:24:12,976 WARN L170 areAnnotationChecker]: L388 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L382-1 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L508-1 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L468 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L481 has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: isHighWaterSensorDryFINAL has no Hoare annotation [2020-07-17 21:24:12,977 WARN L170 areAnnotationChecker]: L481-1 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L665 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L616 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L336-1 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-17 21:24:12,978 WARN L170 areAnnotationChecker]: L248 has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: L730-2 has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: activatePumpEXIT has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: L566-1 has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: L443 has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: L443 has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-17 21:24:12,979 WARN L170 areAnnotationChecker]: L441 has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: L776-1 has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: L910-1 has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: L856-1 has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: L856-1 has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-17 21:24:12,980 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L852 has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-17 21:24:12,981 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: L920-1 has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: L854-1 has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: L468-1 has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: isHighWaterSensorDryEXIT has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:24:12,982 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L617 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L265 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L265 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L202-1 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L815 has no Hoare annotation [2020-07-17 21:24:12,983 WARN L170 areAnnotationChecker]: L815 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L635-1 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L916-1 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L780-2 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L912 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L653-1 has no Hoare annotation [2020-07-17 21:24:12,984 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L811 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L625-1 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L918-1 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-17 21:24:12,985 WARN L170 areAnnotationChecker]: L854 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L808 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L922 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L922 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L542-2 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L470 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-17 21:24:12,986 WARN L170 areAnnotationChecker]: L625 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L268-2 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L307 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L568-2 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-17 21:24:12,987 WARN L170 areAnnotationChecker]: L645 has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: L918 has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,988 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L781 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L916 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L812 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-17 21:24:12,989 WARN L170 areAnnotationChecker]: L635 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L284-1 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L300-1 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L809 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L809 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-17 21:24:12,990 WARN L170 areAnnotationChecker]: L926 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L472 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L476 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L476 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L627 has no Hoare annotation [2020-07-17 21:24:12,991 WARN L170 areAnnotationChecker]: L289 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L269 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L269 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L308 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L553-1 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: isHighWaterLevelFINAL has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L817 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L647 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L647 has no Hoare annotation [2020-07-17 21:24:12,992 WARN L170 areAnnotationChecker]: L653 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L653 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L813 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L784 has no Hoare annotation [2020-07-17 21:24:12,993 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L637 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L810 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L300 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L300 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L270 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: isHighWaterLevelEXIT has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L818 has no Hoare annotation [2020-07-17 21:24:12,994 WARN L170 areAnnotationChecker]: L655 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L655 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L814 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L784-1 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,995 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,996 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,996 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,996 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,996 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:24:12,996 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 21:24:12,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:24:12 BoogieIcfgContainer [2020-07-17 21:24:12,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:24:13,001 INFO L168 Benchmark]: Toolchain (without parser) took 60290.42 ms. Allocated memory was 144.2 MB in the beginning and 693.6 MB in the end (delta: 549.5 MB). Free memory was 100.8 MB in the beginning and 162.1 MB in the end (delta: -61.2 MB). Peak memory consumption was 488.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:24:13,001 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:24:13,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.38 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 166.7 MB in the end (delta: -66.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:24:13,003 INFO L168 Benchmark]: Boogie Preprocessor took 110.49 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 161.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:24:13,004 INFO L168 Benchmark]: RCFGBuilder took 1718.82 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 161.1 MB in the beginning and 89.2 MB in the end (delta: 71.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2020-07-17 21:24:13,004 INFO L168 Benchmark]: TraceAbstraction took 57824.13 ms. Allocated memory was 233.3 MB in the beginning and 693.6 MB in the end (delta: 460.3 MB). Free memory was 89.2 MB in the beginning and 162.1 MB in the end (delta: -72.8 MB). Peak memory consumption was 387.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:24:13,007 INFO L336 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 0.20 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 630.38 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.4 MB in the beginning and 166.7 MB in the end (delta: -66.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.49 ms. Allocated memory is still 202.4 MB. Free memory was 166.7 MB in the beginning and 161.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1718.82 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 161.1 MB in the beginning and 89.2 MB in the end (delta: 71.9 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 57824.13 ms. Allocated memory was 233.3 MB in the beginning and 693.6 MB in the end (delta: 460.3 MB). Free memory was 89.2 MB in the beginning and 162.1 MB in the end (delta: -72.8 MB). Peak memory consumption was 387.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L426] int pumpRunning = 0; [L427] int systemActive = 1; [L675] int waterLevel = 1; [L676] int methaneLevelCritical = 0; [L769] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=162, \old(methaneLevelCritical)=146, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] int retValue_acc ; [L846] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L850] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L851] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L894] int retValue_acc ; [L897] retValue_acc = 1 [L898] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L852] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L852] tmp = valid_product() [L854] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L856] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L857] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L836] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L606] int splverifierCounter ; [L607] int tmp ; [L608] int tmp___0 ; [L609] int tmp___1 ; [L610] int tmp___2 ; [L613] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L615] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L617] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L623] tmp = __VERIFIER_nondet_int() [L625] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L627] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L693] COND TRUE waterLevel < 2 [L694] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L627] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L633] tmp___0 = __VERIFIER_nondet_int() [L635] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L643] tmp___2 = __VERIFIER_nondet_int() [L645] COND FALSE !(\read(tmp___2)) [L651] tmp___1 = __VERIFIER_nondet_int() [L653] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L655] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L582] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L589] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L655] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L662] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L434] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L441] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L449] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L904] int tmp ; [L905] int tmp___0 ; [L906] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L910] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L714] int retValue_acc ; [L717] retValue_acc = methaneLevelCritical [L718] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L910] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L910] tmp = isMethaneLevelCritical() [L912] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L916] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L746] int retValue_acc ; [L749] retValue_acc = waterLevel [L750] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L916] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L916] tmp___0 = getWaterLevel() [L918] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L920] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L515] int retValue_acc ; [L518] retValue_acc = pumpRunning [L519] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L920] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L920] tmp___1 = isPumpRunning() [L922] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L926] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 57.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 45.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 472 SDtfs, 648 SDslu, 387 SDs, 0 SdLazy, 1837 SolverSat, 372 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 198 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 62058 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...