/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_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:18:14,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:18:14,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:18:14,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:18:14,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:18:14,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:18:14,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:18:14,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:18:14,445 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:18:14,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:18:14,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:18:14,448 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:18:14,448 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:18:14,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:18:14,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:18:14,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:18:14,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:18:14,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:18:14,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:18:14,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:18:14,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:18:14,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:18:14,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:18:14,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:18:14,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:18:14,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:18:14,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:18:14,464 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:18:14,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:18:14,465 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:18:14,466 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:18:14,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:18:14,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:18:14,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:18:14,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:18:14,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:18:14,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:18:14,470 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:18:14,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:18:14,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:18:14,471 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:18:14,472 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 21:18:14,485 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:18:14,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:18:14,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:18:14,487 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:18:14,487 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:18:14,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:18:14,488 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:18:14,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:18:14,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:18:14,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:18:14,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:18:14,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:18:14,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:18:14,489 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:18:14,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:18:14,489 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:18:14,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:18:14,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:18:14,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:18:14,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:18:14,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:18:14,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:18:14,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:18:14,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:18:14,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:18:14,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:18:14,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:18:14,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:18:14,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:18:14,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:18:14,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:18:14,782 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:18:14,785 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:18:14,786 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:18:14,786 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:18:14,787 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-07-17 21:18:14,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b9193db/70b412510c1a4c89a45d1789e6a12625/FLAGf5ad0c656 [2020-07-17 21:18:15,426 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:18:15,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product01.cil.c [2020-07-17 21:18:15,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b9193db/70b412510c1a4c89a45d1789e6a12625/FLAGf5ad0c656 [2020-07-17 21:18:15,746 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b3b9193db/70b412510c1a4c89a45d1789e6a12625 [2020-07-17 21:18:15,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:18:15,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:18:15,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:18:15,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:18:15,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:18:15,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:18:15" (1/1) ... [2020-07-17 21:18:15,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0ee1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:15, skipping insertion in model container [2020-07-17 21:18:15,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:18:15" (1/1) ... [2020-07-17 21:18:15,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:18:15,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:18:16,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:18:16,240 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:18:16,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:18:16,378 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:18:16,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16 WrapperNode [2020-07-17 21:18:16,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:18:16,380 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:18:16,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:18:16,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:18:16,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (1/1) ... [2020-07-17 21:18:16,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:18:16,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:18:16,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:18:16,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:18:16,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (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 21:18:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:18:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:18:16,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:18:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:18:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:18:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:18:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:18:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:18:16,629 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:18:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:18:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:18:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:18:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:18:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:18:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:18:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:18:16,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:18:16,633 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:18:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:18:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:18:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:18:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:18:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:18:16,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:18:16,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:18:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:18:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:18:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:18:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:18:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:18:16,636 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:18:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:18:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:18:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:18:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:18:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:18:16,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:18:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:18:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:18:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:18:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:18:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:18:16,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:18:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:18:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:18:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:18:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:18:16,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:18:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:18:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:18:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:18:18,179 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:18:18,180 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:18:18,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:18:18 BoogieIcfgContainer [2020-07-17 21:18:18,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:18:18,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:18:18,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:18:18,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:18:18,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:18:15" (1/3) ... [2020-07-17 21:18:18,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56bbb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:18:18, skipping insertion in model container [2020-07-17 21:18:18,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:18:16" (2/3) ... [2020-07-17 21:18:18,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56bbb17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:18:18, skipping insertion in model container [2020-07-17 21:18:18,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:18:18" (3/3) ... [2020-07-17 21:18:18,195 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-07-17 21:18:18,207 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:18:18,216 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:18:18,231 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:18:18,258 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:18:18,258 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:18:18,259 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:18:18,259 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:18:18,259 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:18:18,260 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:18:18,260 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:18:18,260 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:18:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states. [2020-07-17 21:18:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:18:18,296 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:18,297 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 21:18:18,298 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:18,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:18,306 INFO L82 PathProgramCache]: Analyzing trace with hash -438635737, now seen corresponding path program 1 times [2020-07-17 21:18:18,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:18,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241166786] [2020-07-17 21:18:18,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,099 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:18:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,217 INFO L280 TraceCheckUtils]: 0: Hoare triple {159#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {136#true} is VALID [2020-07-17 21:18:19,218 INFO L280 TraceCheckUtils]: 1: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,219 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {136#true} {136#true} #442#return; {136#true} is VALID [2020-07-17 21:18:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,229 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,230 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {136#true} {136#true} #366#return; {136#true} is VALID [2020-07-17 21:18:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,235 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,236 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {136#true} {136#true} #368#return; {136#true} is VALID [2020-07-17 21:18:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,241 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {136#true} is VALID [2020-07-17 21:18:19,242 INFO L280 TraceCheckUtils]: 1: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,242 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {136#true} {136#true} #370#return; {136#true} is VALID [2020-07-17 21:18:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,246 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,247 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {136#true} {136#true} #372#return; {136#true} is VALID [2020-07-17 21:18:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {136#true} is VALID [2020-07-17 21:18:19,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,255 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {136#true} {137#false} #430#return; {137#false} is VALID [2020-07-17 21:18:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,265 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {136#true} is VALID [2020-07-17 21:18:19,265 INFO L280 TraceCheckUtils]: 1: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,266 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {136#true} {137#false} #432#return; {137#false} is VALID [2020-07-17 21:18:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:19,275 INFO L280 TraceCheckUtils]: 0: Hoare triple {136#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {136#true} is VALID [2020-07-17 21:18:19,275 INFO L280 TraceCheckUtils]: 1: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,276 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {136#true} {137#false} #434#return; {137#false} is VALID [2020-07-17 21:18:19,281 INFO L263 TraceCheckUtils]: 0: Hoare triple {136#true} call ULTIMATE.init(); {159#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:18:19,282 INFO L280 TraceCheckUtils]: 1: Hoare triple {159#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {136#true} is VALID [2020-07-17 21:18:19,282 INFO L280 TraceCheckUtils]: 2: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,283 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {136#true} {136#true} #442#return; {136#true} is VALID [2020-07-17 21:18:19,283 INFO L263 TraceCheckUtils]: 4: Hoare triple {136#true} call #t~ret71 := main(); {136#true} is VALID [2020-07-17 21:18:19,283 INFO L280 TraceCheckUtils]: 5: Hoare triple {136#true} havoc ~retValue_acc~4;havoc ~tmp~2; {136#true} is VALID [2020-07-17 21:18:19,283 INFO L263 TraceCheckUtils]: 6: Hoare triple {136#true} call select_helpers(); {136#true} is VALID [2020-07-17 21:18:19,284 INFO L280 TraceCheckUtils]: 7: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,284 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {136#true} {136#true} #366#return; {136#true} is VALID [2020-07-17 21:18:19,284 INFO L263 TraceCheckUtils]: 9: Hoare triple {136#true} call select_features(); {136#true} is VALID [2020-07-17 21:18:19,285 INFO L280 TraceCheckUtils]: 10: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,285 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {136#true} {136#true} #368#return; {136#true} is VALID [2020-07-17 21:18:19,285 INFO L263 TraceCheckUtils]: 12: Hoare triple {136#true} call #t~ret25 := valid_product(); {136#true} is VALID [2020-07-17 21:18:19,286 INFO L280 TraceCheckUtils]: 13: Hoare triple {136#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {136#true} is VALID [2020-07-17 21:18:19,286 INFO L280 TraceCheckUtils]: 14: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,287 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {136#true} {136#true} #370#return; {136#true} is VALID [2020-07-17 21:18:19,287 INFO L280 TraceCheckUtils]: 16: Hoare triple {136#true} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp~2 := #t~ret25;havoc #t~ret25; {136#true} is VALID [2020-07-17 21:18:19,287 INFO L280 TraceCheckUtils]: 17: Hoare triple {136#true} assume 0 != ~tmp~2; {136#true} is VALID [2020-07-17 21:18:19,288 INFO L263 TraceCheckUtils]: 18: Hoare triple {136#true} call setup(); {136#true} is VALID [2020-07-17 21:18:19,288 INFO L280 TraceCheckUtils]: 19: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,288 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {136#true} {136#true} #372#return; {136#true} is VALID [2020-07-17 21:18:19,289 INFO L263 TraceCheckUtils]: 21: Hoare triple {136#true} call runTest(); {136#true} is VALID [2020-07-17 21:18:19,290 INFO L263 TraceCheckUtils]: 22: Hoare triple {136#true} call test(); {136#true} is VALID [2020-07-17 21:18:19,290 INFO L280 TraceCheckUtils]: 23: Hoare triple {136#true} havoc ~splverifierCounter~0;havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {136#true} is VALID [2020-07-17 21:18:19,291 INFO L280 TraceCheckUtils]: 24: Hoare triple {136#true} assume !true; {137#false} is VALID [2020-07-17 21:18:19,292 INFO L263 TraceCheckUtils]: 25: Hoare triple {137#false} call cleanup(); {137#false} is VALID [2020-07-17 21:18:19,292 INFO L280 TraceCheckUtils]: 26: Hoare triple {137#false} havoc ~i~0;havoc ~__cil_tmp2~0; {137#false} is VALID [2020-07-17 21:18:19,292 INFO L263 TraceCheckUtils]: 27: Hoare triple {137#false} call timeShift(); {137#false} is VALID [2020-07-17 21:18:19,293 INFO L280 TraceCheckUtils]: 28: Hoare triple {137#false} assume !(0 != ~pumpRunning~0); {137#false} is VALID [2020-07-17 21:18:19,293 INFO L280 TraceCheckUtils]: 29: Hoare triple {137#false} assume !(0 != ~systemActive~0); {137#false} is VALID [2020-07-17 21:18:19,297 INFO L263 TraceCheckUtils]: 30: Hoare triple {137#false} call __utac_acc__Specification3_spec__1(); {137#false} is VALID [2020-07-17 21:18:19,297 INFO L280 TraceCheckUtils]: 31: Hoare triple {137#false} havoc ~tmp~1;havoc ~tmp___0~1;havoc ~tmp___1~1; {137#false} is VALID [2020-07-17 21:18:19,297 INFO L263 TraceCheckUtils]: 32: Hoare triple {137#false} call #t~ret22 := isMethaneLevelCritical(); {136#true} is VALID [2020-07-17 21:18:19,298 INFO L280 TraceCheckUtils]: 33: Hoare triple {136#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {136#true} is VALID [2020-07-17 21:18:19,298 INFO L280 TraceCheckUtils]: 34: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,299 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {136#true} {137#false} #430#return; {137#false} is VALID [2020-07-17 21:18:19,299 INFO L280 TraceCheckUtils]: 36: Hoare triple {137#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647;~tmp~1 := #t~ret22;havoc #t~ret22; {137#false} is VALID [2020-07-17 21:18:19,300 INFO L280 TraceCheckUtils]: 37: Hoare triple {137#false} assume !(0 != ~tmp~1); {137#false} is VALID [2020-07-17 21:18:19,300 INFO L263 TraceCheckUtils]: 38: Hoare triple {137#false} call #t~ret23 := getWaterLevel(); {136#true} is VALID [2020-07-17 21:18:19,300 INFO L280 TraceCheckUtils]: 39: Hoare triple {136#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {136#true} is VALID [2020-07-17 21:18:19,301 INFO L280 TraceCheckUtils]: 40: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,301 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {136#true} {137#false} #432#return; {137#false} is VALID [2020-07-17 21:18:19,303 INFO L280 TraceCheckUtils]: 42: Hoare triple {137#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp___0~1 := #t~ret23;havoc #t~ret23; {137#false} is VALID [2020-07-17 21:18:19,303 INFO L280 TraceCheckUtils]: 43: Hoare triple {137#false} assume 2 == ~tmp___0~1; {137#false} is VALID [2020-07-17 21:18:19,304 INFO L263 TraceCheckUtils]: 44: Hoare triple {137#false} call #t~ret24 := isPumpRunning(); {136#true} is VALID [2020-07-17 21:18:19,304 INFO L280 TraceCheckUtils]: 45: Hoare triple {136#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {136#true} is VALID [2020-07-17 21:18:19,304 INFO L280 TraceCheckUtils]: 46: Hoare triple {136#true} assume true; {136#true} is VALID [2020-07-17 21:18:19,305 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {136#true} {137#false} #434#return; {137#false} is VALID [2020-07-17 21:18:19,305 INFO L280 TraceCheckUtils]: 48: Hoare triple {137#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___1~1 := #t~ret24;havoc #t~ret24; {137#false} is VALID [2020-07-17 21:18:19,305 INFO L280 TraceCheckUtils]: 49: Hoare triple {137#false} assume !(0 != ~tmp___1~1); {137#false} is VALID [2020-07-17 21:18:19,305 INFO L263 TraceCheckUtils]: 50: Hoare triple {137#false} call __automaton_fail(); {137#false} is VALID [2020-07-17 21:18:19,306 INFO L280 TraceCheckUtils]: 51: Hoare triple {137#false} assume !false; {137#false} is VALID [2020-07-17 21:18:19,318 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 21:18:19,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241166786] [2020-07-17 21:18:19,321 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:18:19,321 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:18:19,322 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48489684] [2020-07-17 21:18:19,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:18:19,335 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:18:19,339 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:18:19,434 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 21:18:19,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:18:19,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:18:19,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:18:19,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:18:19,448 INFO L87 Difference]: Start difference. First operand 133 states. Second operand 3 states. [2020-07-17 21:18:22,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:22,707 INFO L93 Difference]: Finished difference Result 211 states and 284 transitions. [2020-07-17 21:18:22,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:18:22,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:18:22,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:18:22,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:18:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2020-07-17 21:18:22,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:18:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 284 transitions. [2020-07-17 21:18:22,755 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 284 transitions. [2020-07-17 21:18:23,787 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 284 edges. 284 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:23,807 INFO L225 Difference]: With dead ends: 211 [2020-07-17 21:18:23,808 INFO L226 Difference]: Without dead ends: 115 [2020-07-17 21:18:23,812 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 21:18:23,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-07-17 21:18:24,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 87. [2020-07-17 21:18:24,645 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:18:24,646 INFO L82 GeneralOperation]: Start isEquivalent. First operand 115 states. Second operand 87 states. [2020-07-17 21:18:24,646 INFO L74 IsIncluded]: Start isIncluded. First operand 115 states. Second operand 87 states. [2020-07-17 21:18:24,647 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 87 states. [2020-07-17 21:18:24,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:24,674 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2020-07-17 21:18:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2020-07-17 21:18:24,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:24,679 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:24,679 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 115 states. [2020-07-17 21:18:24,679 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 115 states. [2020-07-17 21:18:24,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:24,702 INFO L93 Difference]: Finished difference Result 115 states and 146 transitions. [2020-07-17 21:18:24,702 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 146 transitions. [2020-07-17 21:18:24,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:24,709 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:24,710 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:18:24,710 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:18:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-17 21:18:24,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2020-07-17 21:18:24,722 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2020-07-17 21:18:24,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:18:24,723 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2020-07-17 21:18:24,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:18:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2020-07-17 21:18:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:18:24,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:24,732 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 21:18:24,732 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:18:24,733 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:24,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:24,733 INFO L82 PathProgramCache]: Analyzing trace with hash -1274777231, now seen corresponding path program 1 times [2020-07-17 21:18:24,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:24,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584747089] [2020-07-17 21:18:24,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,123 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:18:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,197 INFO L280 TraceCheckUtils]: 0: Hoare triple {834#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {810#true} is VALID [2020-07-17 21:18:25,197 INFO L280 TraceCheckUtils]: 1: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,197 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {810#true} {810#true} #442#return; {810#true} is VALID [2020-07-17 21:18:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,207 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {810#true} {810#true} #366#return; {810#true} is VALID [2020-07-17 21:18:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,213 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,214 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {810#true} {810#true} #368#return; {810#true} is VALID [2020-07-17 21:18:25,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,219 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {810#true} is VALID [2020-07-17 21:18:25,220 INFO L280 TraceCheckUtils]: 1: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,220 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {810#true} {810#true} #370#return; {810#true} is VALID [2020-07-17 21:18:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,223 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {810#true} {810#true} #372#return; {810#true} is VALID [2020-07-17 21:18:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,227 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {810#true} is VALID [2020-07-17 21:18:25,228 INFO L280 TraceCheckUtils]: 1: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,228 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {810#true} {811#false} #430#return; {811#false} is VALID [2020-07-17 21:18:25,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,232 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {810#true} is VALID [2020-07-17 21:18:25,233 INFO L280 TraceCheckUtils]: 1: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,233 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {810#true} {811#false} #432#return; {811#false} is VALID [2020-07-17 21:18:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:25,242 INFO L280 TraceCheckUtils]: 0: Hoare triple {810#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {810#true} is VALID [2020-07-17 21:18:25,242 INFO L280 TraceCheckUtils]: 1: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,243 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {810#true} {811#false} #434#return; {811#false} is VALID [2020-07-17 21:18:25,248 INFO L263 TraceCheckUtils]: 0: Hoare triple {810#true} call ULTIMATE.init(); {834#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:18:25,249 INFO L280 TraceCheckUtils]: 1: Hoare triple {834#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {810#true} is VALID [2020-07-17 21:18:25,249 INFO L280 TraceCheckUtils]: 2: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,250 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {810#true} {810#true} #442#return; {810#true} is VALID [2020-07-17 21:18:25,250 INFO L263 TraceCheckUtils]: 4: Hoare triple {810#true} call #t~ret71 := main(); {810#true} is VALID [2020-07-17 21:18:25,251 INFO L280 TraceCheckUtils]: 5: Hoare triple {810#true} havoc ~retValue_acc~4;havoc ~tmp~2; {810#true} is VALID [2020-07-17 21:18:25,252 INFO L263 TraceCheckUtils]: 6: Hoare triple {810#true} call select_helpers(); {810#true} is VALID [2020-07-17 21:18:25,252 INFO L280 TraceCheckUtils]: 7: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,252 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {810#true} {810#true} #366#return; {810#true} is VALID [2020-07-17 21:18:25,253 INFO L263 TraceCheckUtils]: 9: Hoare triple {810#true} call select_features(); {810#true} is VALID [2020-07-17 21:18:25,254 INFO L280 TraceCheckUtils]: 10: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,254 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {810#true} {810#true} #368#return; {810#true} is VALID [2020-07-17 21:18:25,254 INFO L263 TraceCheckUtils]: 12: Hoare triple {810#true} call #t~ret25 := valid_product(); {810#true} is VALID [2020-07-17 21:18:25,255 INFO L280 TraceCheckUtils]: 13: Hoare triple {810#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {810#true} is VALID [2020-07-17 21:18:25,256 INFO L280 TraceCheckUtils]: 14: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,256 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {810#true} {810#true} #370#return; {810#true} is VALID [2020-07-17 21:18:25,257 INFO L280 TraceCheckUtils]: 16: Hoare triple {810#true} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp~2 := #t~ret25;havoc #t~ret25; {810#true} is VALID [2020-07-17 21:18:25,257 INFO L280 TraceCheckUtils]: 17: Hoare triple {810#true} assume 0 != ~tmp~2; {810#true} is VALID [2020-07-17 21:18:25,258 INFO L263 TraceCheckUtils]: 18: Hoare triple {810#true} call setup(); {810#true} is VALID [2020-07-17 21:18:25,259 INFO L280 TraceCheckUtils]: 19: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,259 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {810#true} {810#true} #372#return; {810#true} is VALID [2020-07-17 21:18:25,260 INFO L263 TraceCheckUtils]: 21: Hoare triple {810#true} call runTest(); {810#true} is VALID [2020-07-17 21:18:25,260 INFO L263 TraceCheckUtils]: 22: Hoare triple {810#true} call test(); {810#true} is VALID [2020-07-17 21:18:25,261 INFO L280 TraceCheckUtils]: 23: Hoare triple {810#true} havoc ~splverifierCounter~0;havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {824#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:18:25,262 INFO L280 TraceCheckUtils]: 24: Hoare triple {824#(= 0 test_~splverifierCounter~0)} assume !false; {824#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:18:25,263 INFO L280 TraceCheckUtils]: 25: Hoare triple {824#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {811#false} is VALID [2020-07-17 21:18:25,263 INFO L263 TraceCheckUtils]: 26: Hoare triple {811#false} call cleanup(); {811#false} is VALID [2020-07-17 21:18:25,264 INFO L280 TraceCheckUtils]: 27: Hoare triple {811#false} havoc ~i~0;havoc ~__cil_tmp2~0; {811#false} is VALID [2020-07-17 21:18:25,264 INFO L263 TraceCheckUtils]: 28: Hoare triple {811#false} call timeShift(); {811#false} is VALID [2020-07-17 21:18:25,264 INFO L280 TraceCheckUtils]: 29: Hoare triple {811#false} assume !(0 != ~pumpRunning~0); {811#false} is VALID [2020-07-17 21:18:25,265 INFO L280 TraceCheckUtils]: 30: Hoare triple {811#false} assume !(0 != ~systemActive~0); {811#false} is VALID [2020-07-17 21:18:25,265 INFO L263 TraceCheckUtils]: 31: Hoare triple {811#false} call __utac_acc__Specification3_spec__1(); {811#false} is VALID [2020-07-17 21:18:25,269 INFO L280 TraceCheckUtils]: 32: Hoare triple {811#false} havoc ~tmp~1;havoc ~tmp___0~1;havoc ~tmp___1~1; {811#false} is VALID [2020-07-17 21:18:25,269 INFO L263 TraceCheckUtils]: 33: Hoare triple {811#false} call #t~ret22 := isMethaneLevelCritical(); {810#true} is VALID [2020-07-17 21:18:25,269 INFO L280 TraceCheckUtils]: 34: Hoare triple {810#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {810#true} is VALID [2020-07-17 21:18:25,270 INFO L280 TraceCheckUtils]: 35: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,270 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {810#true} {811#false} #430#return; {811#false} is VALID [2020-07-17 21:18:25,270 INFO L280 TraceCheckUtils]: 37: Hoare triple {811#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647;~tmp~1 := #t~ret22;havoc #t~ret22; {811#false} is VALID [2020-07-17 21:18:25,271 INFO L280 TraceCheckUtils]: 38: Hoare triple {811#false} assume !(0 != ~tmp~1); {811#false} is VALID [2020-07-17 21:18:25,271 INFO L263 TraceCheckUtils]: 39: Hoare triple {811#false} call #t~ret23 := getWaterLevel(); {810#true} is VALID [2020-07-17 21:18:25,271 INFO L280 TraceCheckUtils]: 40: Hoare triple {810#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {810#true} is VALID [2020-07-17 21:18:25,271 INFO L280 TraceCheckUtils]: 41: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,272 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {810#true} {811#false} #432#return; {811#false} is VALID [2020-07-17 21:18:25,272 INFO L280 TraceCheckUtils]: 43: Hoare triple {811#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp___0~1 := #t~ret23;havoc #t~ret23; {811#false} is VALID [2020-07-17 21:18:25,272 INFO L280 TraceCheckUtils]: 44: Hoare triple {811#false} assume 2 == ~tmp___0~1; {811#false} is VALID [2020-07-17 21:18:25,273 INFO L263 TraceCheckUtils]: 45: Hoare triple {811#false} call #t~ret24 := isPumpRunning(); {810#true} is VALID [2020-07-17 21:18:25,273 INFO L280 TraceCheckUtils]: 46: Hoare triple {810#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {810#true} is VALID [2020-07-17 21:18:25,273 INFO L280 TraceCheckUtils]: 47: Hoare triple {810#true} assume true; {810#true} is VALID [2020-07-17 21:18:25,274 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {810#true} {811#false} #434#return; {811#false} is VALID [2020-07-17 21:18:25,274 INFO L280 TraceCheckUtils]: 49: Hoare triple {811#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___1~1 := #t~ret24;havoc #t~ret24; {811#false} is VALID [2020-07-17 21:18:25,274 INFO L280 TraceCheckUtils]: 50: Hoare triple {811#false} assume !(0 != ~tmp___1~1); {811#false} is VALID [2020-07-17 21:18:25,274 INFO L263 TraceCheckUtils]: 51: Hoare triple {811#false} call __automaton_fail(); {811#false} is VALID [2020-07-17 21:18:25,275 INFO L280 TraceCheckUtils]: 52: Hoare triple {811#false} assume !false; {811#false} is VALID [2020-07-17 21:18:25,281 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 21:18:25,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584747089] [2020-07-17 21:18:25,282 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:18:25,282 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:18:25,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782212029] [2020-07-17 21:18:25,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:18:25,285 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:18:25,285 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:18:25,364 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 21:18:25,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:18:25,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:18:25,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:18:25,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:18:25,365 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 4 states. [2020-07-17 21:18:26,673 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:18:28,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:28,723 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2020-07-17 21:18:28,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:18:28,724 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:18:28,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:18:28,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:18:28,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2020-07-17 21:18:28,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:18:28,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2020-07-17 21:18:28,741 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 175 transitions. [2020-07-17 21:18:29,360 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 175 edges. 175 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:29,365 INFO L225 Difference]: With dead ends: 144 [2020-07-17 21:18:29,365 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 21:18:29,367 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 21:18:29,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 21:18:30,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-17 21:18:30,224 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:18:30,224 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 78 states. [2020-07-17 21:18:30,224 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 78 states. [2020-07-17 21:18:30,224 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 78 states. [2020-07-17 21:18:30,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:30,231 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-07-17 21:18:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-07-17 21:18:30,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:30,233 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:30,233 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 99 states. [2020-07-17 21:18:30,233 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 99 states. [2020-07-17 21:18:30,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:30,239 INFO L93 Difference]: Finished difference Result 99 states and 122 transitions. [2020-07-17 21:18:30,239 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 122 transitions. [2020-07-17 21:18:30,240 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:30,240 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:30,240 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:18:30,240 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:18:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-17 21:18:30,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2020-07-17 21:18:30,244 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2020-07-17 21:18:30,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:18:30,244 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2020-07-17 21:18:30,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:18:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2020-07-17 21:18:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 21:18:30,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:30,246 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] [2020-07-17 21:18:30,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:18:30,247 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:30,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:30,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1377435257, now seen corresponding path program 1 times [2020-07-17 21:18:30,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:30,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804063580] [2020-07-17 21:18:30,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,626 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:18:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,720 INFO L280 TraceCheckUtils]: 0: Hoare triple {1384#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,721 INFO L280 TraceCheckUtils]: 1: Hoare triple {1362#(= 1 ~systemActive~0)} assume true; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,721 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1362#(= 1 ~systemActive~0)} {1357#true} #442#return; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,730 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,731 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1357#true} {1362#(= 1 ~systemActive~0)} #366#return; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,736 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,737 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1357#true} {1362#(= 1 ~systemActive~0)} #368#return; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,760 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {1385#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:18:30,763 INFO L280 TraceCheckUtils]: 1: Hoare triple {1385#(= 1 |valid_product_#res|)} assume true; {1385#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:18:30,764 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1385#(= 1 |valid_product_#res|)} {1362#(= 1 ~systemActive~0)} #370#return; {1370#(= |main_#t~ret25| ~systemActive~0)} is VALID [2020-07-17 21:18:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,773 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1357#true} {1372#(not (= 0 ~systemActive~0))} #372#return; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,776 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1357#true} is VALID [2020-07-17 21:18:30,777 INFO L280 TraceCheckUtils]: 1: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,777 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1357#true} {1358#false} #430#return; {1358#false} is VALID [2020-07-17 21:18:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,780 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1357#true} is VALID [2020-07-17 21:18:30,780 INFO L280 TraceCheckUtils]: 1: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,781 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1357#true} {1358#false} #432#return; {1358#false} is VALID [2020-07-17 21:18:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:30,783 INFO L280 TraceCheckUtils]: 0: Hoare triple {1357#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1357#true} is VALID [2020-07-17 21:18:30,784 INFO L280 TraceCheckUtils]: 1: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,784 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1357#true} {1358#false} #434#return; {1358#false} is VALID [2020-07-17 21:18:30,791 INFO L263 TraceCheckUtils]: 0: Hoare triple {1357#true} call ULTIMATE.init(); {1384#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:18:30,797 INFO L280 TraceCheckUtils]: 1: Hoare triple {1384#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,798 INFO L280 TraceCheckUtils]: 2: Hoare triple {1362#(= 1 ~systemActive~0)} assume true; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,799 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1362#(= 1 ~systemActive~0)} {1357#true} #442#return; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,800 INFO L263 TraceCheckUtils]: 4: Hoare triple {1362#(= 1 ~systemActive~0)} call #t~ret71 := main(); {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,800 INFO L280 TraceCheckUtils]: 5: Hoare triple {1362#(= 1 ~systemActive~0)} havoc ~retValue_acc~4;havoc ~tmp~2; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,801 INFO L263 TraceCheckUtils]: 6: Hoare triple {1362#(= 1 ~systemActive~0)} call select_helpers(); {1357#true} is VALID [2020-07-17 21:18:30,801 INFO L280 TraceCheckUtils]: 7: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,802 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1357#true} {1362#(= 1 ~systemActive~0)} #366#return; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,802 INFO L263 TraceCheckUtils]: 9: Hoare triple {1362#(= 1 ~systemActive~0)} call select_features(); {1357#true} is VALID [2020-07-17 21:18:30,802 INFO L280 TraceCheckUtils]: 10: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,803 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1357#true} {1362#(= 1 ~systemActive~0)} #368#return; {1362#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:18:30,803 INFO L263 TraceCheckUtils]: 12: Hoare triple {1362#(= 1 ~systemActive~0)} call #t~ret25 := valid_product(); {1357#true} is VALID [2020-07-17 21:18:30,804 INFO L280 TraceCheckUtils]: 13: Hoare triple {1357#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {1385#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:18:30,804 INFO L280 TraceCheckUtils]: 14: Hoare triple {1385#(= 1 |valid_product_#res|)} assume true; {1385#(= 1 |valid_product_#res|)} is VALID [2020-07-17 21:18:30,805 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1385#(= 1 |valid_product_#res|)} {1362#(= 1 ~systemActive~0)} #370#return; {1370#(= |main_#t~ret25| ~systemActive~0)} is VALID [2020-07-17 21:18:30,806 INFO L280 TraceCheckUtils]: 16: Hoare triple {1370#(= |main_#t~ret25| ~systemActive~0)} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp~2 := #t~ret25;havoc #t~ret25; {1371#(= main_~tmp~2 ~systemActive~0)} is VALID [2020-07-17 21:18:30,806 INFO L280 TraceCheckUtils]: 17: Hoare triple {1371#(= main_~tmp~2 ~systemActive~0)} assume 0 != ~tmp~2; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,807 INFO L263 TraceCheckUtils]: 18: Hoare triple {1372#(not (= 0 ~systemActive~0))} call setup(); {1357#true} is VALID [2020-07-17 21:18:30,807 INFO L280 TraceCheckUtils]: 19: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,808 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1357#true} {1372#(not (= 0 ~systemActive~0))} #372#return; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,809 INFO L263 TraceCheckUtils]: 21: Hoare triple {1372#(not (= 0 ~systemActive~0))} call runTest(); {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,810 INFO L263 TraceCheckUtils]: 22: Hoare triple {1372#(not (= 0 ~systemActive~0))} call test(); {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,810 INFO L280 TraceCheckUtils]: 23: Hoare triple {1372#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,811 INFO L280 TraceCheckUtils]: 24: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume !false; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,813 INFO L280 TraceCheckUtils]: 25: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,816 INFO L280 TraceCheckUtils]: 26: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~tmp~0 := #t~nondet17;havoc #t~nondet17; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,818 INFO L280 TraceCheckUtils]: 27: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~0); {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,819 INFO L280 TraceCheckUtils]: 28: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~tmp___0~0 := #t~nondet18;havoc #t~nondet18; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,820 INFO L280 TraceCheckUtils]: 29: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,820 INFO L280 TraceCheckUtils]: 30: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp___2~0 := #t~nondet19;havoc #t~nondet19; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,821 INFO L280 TraceCheckUtils]: 31: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,822 INFO L263 TraceCheckUtils]: 32: Hoare triple {1372#(not (= 0 ~systemActive~0))} call timeShift(); {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,822 INFO L280 TraceCheckUtils]: 33: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1372#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:18:30,823 INFO L280 TraceCheckUtils]: 34: Hoare triple {1372#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1358#false} is VALID [2020-07-17 21:18:30,823 INFO L263 TraceCheckUtils]: 35: Hoare triple {1358#false} call __utac_acc__Specification3_spec__1(); {1358#false} is VALID [2020-07-17 21:18:30,823 INFO L280 TraceCheckUtils]: 36: Hoare triple {1358#false} havoc ~tmp~1;havoc ~tmp___0~1;havoc ~tmp___1~1; {1358#false} is VALID [2020-07-17 21:18:30,824 INFO L263 TraceCheckUtils]: 37: Hoare triple {1358#false} call #t~ret22 := isMethaneLevelCritical(); {1357#true} is VALID [2020-07-17 21:18:30,824 INFO L280 TraceCheckUtils]: 38: Hoare triple {1357#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1357#true} is VALID [2020-07-17 21:18:30,824 INFO L280 TraceCheckUtils]: 39: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,824 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1357#true} {1358#false} #430#return; {1358#false} is VALID [2020-07-17 21:18:30,825 INFO L280 TraceCheckUtils]: 41: Hoare triple {1358#false} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647;~tmp~1 := #t~ret22;havoc #t~ret22; {1358#false} is VALID [2020-07-17 21:18:30,825 INFO L280 TraceCheckUtils]: 42: Hoare triple {1358#false} assume !(0 != ~tmp~1); {1358#false} is VALID [2020-07-17 21:18:30,825 INFO L263 TraceCheckUtils]: 43: Hoare triple {1358#false} call #t~ret23 := getWaterLevel(); {1357#true} is VALID [2020-07-17 21:18:30,825 INFO L280 TraceCheckUtils]: 44: Hoare triple {1357#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1357#true} is VALID [2020-07-17 21:18:30,825 INFO L280 TraceCheckUtils]: 45: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,826 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1357#true} {1358#false} #432#return; {1358#false} is VALID [2020-07-17 21:18:30,826 INFO L280 TraceCheckUtils]: 47: Hoare triple {1358#false} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp___0~1 := #t~ret23;havoc #t~ret23; {1358#false} is VALID [2020-07-17 21:18:30,826 INFO L280 TraceCheckUtils]: 48: Hoare triple {1358#false} assume 2 == ~tmp___0~1; {1358#false} is VALID [2020-07-17 21:18:30,826 INFO L263 TraceCheckUtils]: 49: Hoare triple {1358#false} call #t~ret24 := isPumpRunning(); {1357#true} is VALID [2020-07-17 21:18:30,827 INFO L280 TraceCheckUtils]: 50: Hoare triple {1357#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1357#true} is VALID [2020-07-17 21:18:30,827 INFO L280 TraceCheckUtils]: 51: Hoare triple {1357#true} assume true; {1357#true} is VALID [2020-07-17 21:18:30,827 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1357#true} {1358#false} #434#return; {1358#false} is VALID [2020-07-17 21:18:30,827 INFO L280 TraceCheckUtils]: 53: Hoare triple {1358#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___1~1 := #t~ret24;havoc #t~ret24; {1358#false} is VALID [2020-07-17 21:18:30,828 INFO L280 TraceCheckUtils]: 54: Hoare triple {1358#false} assume !(0 != ~tmp___1~1); {1358#false} is VALID [2020-07-17 21:18:30,828 INFO L263 TraceCheckUtils]: 55: Hoare triple {1358#false} call __automaton_fail(); {1358#false} is VALID [2020-07-17 21:18:30,828 INFO L280 TraceCheckUtils]: 56: Hoare triple {1358#false} assume !false; {1358#false} is VALID [2020-07-17 21:18:30,837 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 21:18:30,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804063580] [2020-07-17 21:18:30,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:18:30,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:18:30,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032244547] [2020-07-17 21:18:30,839 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:18:30,839 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:18:30,840 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:18:30,915 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:30,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:18:30,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:18:30,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:18:30,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:18:30,917 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 8 states. [2020-07-17 21:18:31,729 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:18:32,649 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:18:33,051 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:18:33,370 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:18:37,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:37,622 INFO L93 Difference]: Finished difference Result 153 states and 189 transitions. [2020-07-17 21:18:37,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 21:18:37,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:18:37,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:18:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:18:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2020-07-17 21:18:37,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:18:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 189 transitions. [2020-07-17 21:18:37,632 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 189 transitions. [2020-07-17 21:18:38,274 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 189 edges. 189 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:38,279 INFO L225 Difference]: With dead ends: 153 [2020-07-17 21:18:38,279 INFO L226 Difference]: Without dead ends: 99 [2020-07-17 21:18:38,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:18:38,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-07-17 21:18:39,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 78. [2020-07-17 21:18:39,251 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:18:39,251 INFO L82 GeneralOperation]: Start isEquivalent. First operand 99 states. Second operand 78 states. [2020-07-17 21:18:39,251 INFO L74 IsIncluded]: Start isIncluded. First operand 99 states. Second operand 78 states. [2020-07-17 21:18:39,252 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 78 states. [2020-07-17 21:18:39,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:39,258 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 21:18:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 21:18:39,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:39,259 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:39,259 INFO L74 IsIncluded]: Start isIncluded. First operand 78 states. Second operand 99 states. [2020-07-17 21:18:39,259 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 99 states. [2020-07-17 21:18:39,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:39,265 INFO L93 Difference]: Finished difference Result 99 states and 120 transitions. [2020-07-17 21:18:39,265 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 120 transitions. [2020-07-17 21:18:39,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:39,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:39,266 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:18:39,266 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:18:39,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-07-17 21:18:39,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2020-07-17 21:18:39,270 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2020-07-17 21:18:39,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:18:39,270 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2020-07-17 21:18:39,270 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:18:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2020-07-17 21:18:39,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-17 21:18:39,272 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:39,272 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] [2020-07-17 21:18:39,272 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:18:39,273 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:39,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:39,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1699431063, now seen corresponding path program 1 times [2020-07-17 21:18:39,273 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:39,274 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155486452] [2020-07-17 21:18:39,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,674 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:18:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,801 INFO L280 TraceCheckUtils]: 0: Hoare triple {1953#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1954#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:18:39,802 INFO L280 TraceCheckUtils]: 1: Hoare triple {1954#(<= ~waterLevel~0 1)} assume true; {1954#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:18:39,803 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1954#(<= ~waterLevel~0 1)} {1925#true} #442#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,810 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,811 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #366#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,818 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #368#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,822 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {1925#true} is VALID [2020-07-17 21:18:39,822 INFO L280 TraceCheckUtils]: 1: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,823 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #370#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,827 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,828 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #372#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,832 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,833 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #426#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,841 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1925#true} is VALID [2020-07-17 21:18:39,841 INFO L280 TraceCheckUtils]: 1: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,842 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #430#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,861 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1955#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:18:39,861 INFO L280 TraceCheckUtils]: 1: Hoare triple {1955#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {1955#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:18:39,862 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1955#(= |getWaterLevel_#res| ~waterLevel~0)} {1930#(not (= 2 ~waterLevel~0))} #432#return; {1948#(not (= 2 |__utac_acc__Specification3_spec__1_#t~ret23|))} is VALID [2020-07-17 21:18:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:18:39,868 INFO L280 TraceCheckUtils]: 0: Hoare triple {1925#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1925#true} is VALID [2020-07-17 21:18:39,868 INFO L280 TraceCheckUtils]: 1: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,868 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1925#true} {1926#false} #434#return; {1926#false} is VALID [2020-07-17 21:18:39,873 INFO L263 TraceCheckUtils]: 0: Hoare triple {1925#true} call ULTIMATE.init(); {1953#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|))} is VALID [2020-07-17 21:18:39,879 INFO L280 TraceCheckUtils]: 1: Hoare triple {1953#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string4.base| |old(#t~string4.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~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {1954#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:18:39,880 INFO L280 TraceCheckUtils]: 2: Hoare triple {1954#(<= ~waterLevel~0 1)} assume true; {1954#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:18:39,880 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1954#(<= ~waterLevel~0 1)} {1925#true} #442#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,882 INFO L263 TraceCheckUtils]: 4: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call #t~ret71 := main(); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,883 INFO L280 TraceCheckUtils]: 5: Hoare triple {1930#(not (= 2 ~waterLevel~0))} havoc ~retValue_acc~4;havoc ~tmp~2; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,883 INFO L263 TraceCheckUtils]: 6: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call select_helpers(); {1925#true} is VALID [2020-07-17 21:18:39,884 INFO L280 TraceCheckUtils]: 7: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,887 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #366#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,887 INFO L263 TraceCheckUtils]: 9: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call select_features(); {1925#true} is VALID [2020-07-17 21:18:39,887 INFO L280 TraceCheckUtils]: 10: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,889 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #368#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,889 INFO L263 TraceCheckUtils]: 12: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call #t~ret25 := valid_product(); {1925#true} is VALID [2020-07-17 21:18:39,889 INFO L280 TraceCheckUtils]: 13: Hoare triple {1925#true} havoc ~retValue_acc~3;~retValue_acc~3 := 1;#res := ~retValue_acc~3; {1925#true} is VALID [2020-07-17 21:18:39,889 INFO L280 TraceCheckUtils]: 14: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,890 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #370#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,891 INFO L280 TraceCheckUtils]: 16: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~ret25 && #t~ret25 <= 2147483647;~tmp~2 := #t~ret25;havoc #t~ret25; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,891 INFO L280 TraceCheckUtils]: 17: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume 0 != ~tmp~2; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,892 INFO L263 TraceCheckUtils]: 18: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call setup(); {1925#true} is VALID [2020-07-17 21:18:39,892 INFO L280 TraceCheckUtils]: 19: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,894 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #372#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,894 INFO L263 TraceCheckUtils]: 21: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call runTest(); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,896 INFO L263 TraceCheckUtils]: 22: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call test(); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,897 INFO L280 TraceCheckUtils]: 23: Hoare triple {1930#(not (= 2 ~waterLevel~0))} havoc ~splverifierCounter~0;havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,898 INFO L280 TraceCheckUtils]: 24: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume !false; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,898 INFO L280 TraceCheckUtils]: 25: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume ~splverifierCounter~0 < 4; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,899 INFO L280 TraceCheckUtils]: 26: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~nondet17 && #t~nondet17 <= 2147483647;~tmp~0 := #t~nondet17;havoc #t~nondet17; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,899 INFO L280 TraceCheckUtils]: 27: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp~0); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,900 INFO L280 TraceCheckUtils]: 28: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~nondet18 && #t~nondet18 <= 2147483647;~tmp___0~0 := #t~nondet18;havoc #t~nondet18; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,900 INFO L280 TraceCheckUtils]: 29: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp___0~0); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,901 INFO L280 TraceCheckUtils]: 30: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp___2~0 := #t~nondet19;havoc #t~nondet19; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,901 INFO L280 TraceCheckUtils]: 31: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume 0 != ~tmp___2~0; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,902 INFO L263 TraceCheckUtils]: 32: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call timeShift(); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,902 INFO L280 TraceCheckUtils]: 33: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,903 INFO L280 TraceCheckUtils]: 34: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume 0 != ~systemActive~0; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,903 INFO L263 TraceCheckUtils]: 35: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call processEnvironment(); {1925#true} is VALID [2020-07-17 21:18:39,903 INFO L280 TraceCheckUtils]: 36: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,905 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #426#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,905 INFO L263 TraceCheckUtils]: 38: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call __utac_acc__Specification3_spec__1(); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,906 INFO L280 TraceCheckUtils]: 39: Hoare triple {1930#(not (= 2 ~waterLevel~0))} havoc ~tmp~1;havoc ~tmp___0~1;havoc ~tmp___1~1; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,906 INFO L263 TraceCheckUtils]: 40: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call #t~ret22 := isMethaneLevelCritical(); {1925#true} is VALID [2020-07-17 21:18:39,906 INFO L280 TraceCheckUtils]: 41: Hoare triple {1925#true} havoc ~retValue_acc~5;~retValue_acc~5 := ~methaneLevelCritical~0;#res := ~retValue_acc~5; {1925#true} is VALID [2020-07-17 21:18:39,906 INFO L280 TraceCheckUtils]: 42: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,907 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1925#true} {1930#(not (= 2 ~waterLevel~0))} #430#return; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,908 INFO L280 TraceCheckUtils]: 44: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~ret22 && #t~ret22 <= 2147483647;~tmp~1 := #t~ret22;havoc #t~ret22; {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,908 INFO L280 TraceCheckUtils]: 45: Hoare triple {1930#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp~1); {1930#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:18:39,908 INFO L263 TraceCheckUtils]: 46: Hoare triple {1930#(not (= 2 ~waterLevel~0))} call #t~ret23 := getWaterLevel(); {1925#true} is VALID [2020-07-17 21:18:39,909 INFO L280 TraceCheckUtils]: 47: Hoare triple {1925#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~waterLevel~0;#res := ~retValue_acc~6; {1955#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:18:39,909 INFO L280 TraceCheckUtils]: 48: Hoare triple {1955#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {1955#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:18:39,910 INFO L275 TraceCheckUtils]: 49: Hoare quadruple {1955#(= |getWaterLevel_#res| ~waterLevel~0)} {1930#(not (= 2 ~waterLevel~0))} #432#return; {1948#(not (= 2 |__utac_acc__Specification3_spec__1_#t~ret23|))} is VALID [2020-07-17 21:18:39,911 INFO L280 TraceCheckUtils]: 50: Hoare triple {1948#(not (= 2 |__utac_acc__Specification3_spec__1_#t~ret23|))} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp___0~1 := #t~ret23;havoc #t~ret23; {1949#(not (= 2 __utac_acc__Specification3_spec__1_~tmp___0~1))} is VALID [2020-07-17 21:18:39,911 INFO L280 TraceCheckUtils]: 51: Hoare triple {1949#(not (= 2 __utac_acc__Specification3_spec__1_~tmp___0~1))} assume 2 == ~tmp___0~1; {1926#false} is VALID [2020-07-17 21:18:39,912 INFO L263 TraceCheckUtils]: 52: Hoare triple {1926#false} call #t~ret24 := isPumpRunning(); {1925#true} is VALID [2020-07-17 21:18:39,912 INFO L280 TraceCheckUtils]: 53: Hoare triple {1925#true} havoc ~retValue_acc~1;~retValue_acc~1 := ~pumpRunning~0;#res := ~retValue_acc~1; {1925#true} is VALID [2020-07-17 21:18:39,912 INFO L280 TraceCheckUtils]: 54: Hoare triple {1925#true} assume true; {1925#true} is VALID [2020-07-17 21:18:39,912 INFO L275 TraceCheckUtils]: 55: Hoare quadruple {1925#true} {1926#false} #434#return; {1926#false} is VALID [2020-07-17 21:18:39,913 INFO L280 TraceCheckUtils]: 56: Hoare triple {1926#false} assume -2147483648 <= #t~ret24 && #t~ret24 <= 2147483647;~tmp___1~1 := #t~ret24;havoc #t~ret24; {1926#false} is VALID [2020-07-17 21:18:39,913 INFO L280 TraceCheckUtils]: 57: Hoare triple {1926#false} assume !(0 != ~tmp___1~1); {1926#false} is VALID [2020-07-17 21:18:39,913 INFO L263 TraceCheckUtils]: 58: Hoare triple {1926#false} call __automaton_fail(); {1926#false} is VALID [2020-07-17 21:18:39,913 INFO L280 TraceCheckUtils]: 59: Hoare triple {1926#false} assume !false; {1926#false} is VALID [2020-07-17 21:18:39,924 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 21:18:39,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155486452] [2020-07-17 21:18:39,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:18:39,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:18:39,925 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482987354] [2020-07-17 21:18:39,929 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-07-17 21:18:39,932 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:18:39,932 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:18:40,009 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 60 edges. 60 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:40,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:18:40,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:18:40,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:18:40,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:18:40,011 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 8 states. [2020-07-17 21:18:40,680 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:18:45,305 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:18:45,883 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:18:46,263 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:18:46,676 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:18:47,348 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:18:49,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:49,077 INFO L93 Difference]: Finished difference Result 205 states and 259 transitions. [2020-07-17 21:18:49,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:18:49,077 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-07-17 21:18:49,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:18:49,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:18:49,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 259 transitions. [2020-07-17 21:18:49,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:18:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 259 transitions. [2020-07-17 21:18:49,090 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 259 transitions. [2020-07-17 21:18:49,971 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 259 edges. 259 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:18:49,977 INFO L225 Difference]: With dead ends: 205 [2020-07-17 21:18:49,977 INFO L226 Difference]: Without dead ends: 151 [2020-07-17 21:18:49,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-07-17 21:18:49,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-07-17 21:18:51,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 130. [2020-07-17 21:18:51,370 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:18:51,370 INFO L82 GeneralOperation]: Start isEquivalent. First operand 151 states. Second operand 130 states. [2020-07-17 21:18:51,371 INFO L74 IsIncluded]: Start isIncluded. First operand 151 states. Second operand 130 states. [2020-07-17 21:18:51,371 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 130 states. [2020-07-17 21:18:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:51,380 INFO L93 Difference]: Finished difference Result 151 states and 186 transitions. [2020-07-17 21:18:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2020-07-17 21:18:51,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:51,381 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:51,381 INFO L74 IsIncluded]: Start isIncluded. First operand 130 states. Second operand 151 states. [2020-07-17 21:18:51,381 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 151 states. [2020-07-17 21:18:51,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:18:51,389 INFO L93 Difference]: Finished difference Result 151 states and 186 transitions. [2020-07-17 21:18:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2020-07-17 21:18:51,390 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:18:51,390 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:18:51,390 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:18:51,391 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:18:51,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-17 21:18:51,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2020-07-17 21:18:51,396 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 60 [2020-07-17 21:18:51,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:18:51,397 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2020-07-17 21:18:51,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:18:51,397 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2020-07-17 21:18:51,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-17 21:18:51,398 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:18:51,398 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] [2020-07-17 21:18:51,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:18:51,399 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:18:51,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:18:51,399 INFO L82 PathProgramCache]: Analyzing trace with hash -2045663983, now seen corresponding path program 1 times [2020-07-17 21:18:51,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:18:51,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385847047] [2020-07-17 21:18:51,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:18:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:18:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:18:51,585 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:18:51,585 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:18:51,586 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:18:51,704 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:18:51,704 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:18:51,704 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:18:51,704 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:18:51,705 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: processEnvironmentFINAL has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:18:51,706 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:18:51,707 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:18:51,708 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L560-2 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L617-2 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L617-2 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L617-2 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-17 21:18:51,709 WARN L170 areAnnotationChecker]: L385 has no Hoare annotation [2020-07-17 21:18:51,712 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:18:51,712 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:18:51,712 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:18:51,712 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-17 21:18:51,712 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L816 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L212 has no Hoare annotation [2020-07-17 21:18:51,713 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: L770 has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: L458 has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: L458 has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: L677 has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: L677 has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:18:51,714 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L433-1 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L271 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L314 has no Hoare annotation [2020-07-17 21:18:51,715 WARN L170 areAnnotationChecker]: L314 has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: L409-1 has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: L421-1 has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: L582 has no Hoare annotation [2020-07-17 21:18:51,716 WARN L170 areAnnotationChecker]: L561 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L643 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L643 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L618 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L385-1 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L385-1 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:18:51,717 WARN L170 areAnnotationChecker]: L126-2 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L386 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L822 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L816-1 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L104-1 has no Hoare annotation [2020-07-17 21:18:51,718 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L215 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L776 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L770-1 has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:18:51,719 WARN L170 areAnnotationChecker]: L458-2 has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: L682 has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: L65 has no Hoare annotation [2020-07-17 21:18:51,720 WARN L170 areAnnotationChecker]: L271-1 has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: L314-1 has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: L391-1 has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: L391-1 has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:18:51,721 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L623 has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L387 has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:18:51,722 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: L281-1 has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: L138 has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: L389-1 has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-17 21:18:51,723 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L699 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L699 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L636-1 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L353 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L189-1 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L277-1 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:18:51,724 WARN L170 areAnnotationChecker]: L273 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L318-2 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L318-2 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L318-2 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L349 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L349 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L179-1 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L279-1 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: L566-1 has no Hoare annotation [2020-07-17 21:18:51,725 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L623-1 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L389 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L389 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L283 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L283 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: L138-2 has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:18:51,726 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:18:51,727 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L179 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L702-2 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L702-2 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L702-2 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L741 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L354 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L354 has no Hoare annotation [2020-07-17 21:18:51,728 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L333 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L319 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L350 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L350 has no Hoare annotation [2020-07-17 21:18:51,729 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L189 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L718-1 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L734-1 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L636 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L391 has no Hoare annotation [2020-07-17 21:18:51,730 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L347 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L287 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L287 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L149 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L351 has no Hoare annotation [2020-07-17 21:18:51,731 WARN L170 areAnnotationChecker]: L351 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L355 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L329 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L181 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L181 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L723 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2020-07-17 21:18:51,732 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L205-2 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L205 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: L281 has no Hoare annotation [2020-07-17 21:18:51,733 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L322 has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L191 has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L348 has no Hoare annotation [2020-07-17 21:18:51,734 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L352 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L356 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L356 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L734 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L322-1 has no Hoare annotation [2020-07-17 21:18:51,735 WARN L170 areAnnotationChecker]: L322-1 has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: L718 has no Hoare annotation [2020-07-17 21:18:51,736 WARN L170 areAnnotationChecker]: L718 has no Hoare annotation [2020-07-17 21:18:51,736 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 21:18:51,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:18:51 BoogieIcfgContainer [2020-07-17 21:18:51,739 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:18:51,742 INFO L168 Benchmark]: Toolchain (without parser) took 35986.69 ms. Allocated memory was 136.8 MB in the beginning and 653.3 MB in the end (delta: 516.4 MB). Free memory was 99.0 MB in the beginning and 472.1 MB in the end (delta: -373.1 MB). Peak memory consumption was 143.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:18:51,743 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:18:51,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 622.59 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.5 MB in the beginning and 168.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:18:51,744 INFO L168 Benchmark]: Boogie Preprocessor took 187.25 ms. Allocated memory is still 200.3 MB. Free memory was 168.3 MB in the beginning and 162.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:18:51,745 INFO L168 Benchmark]: RCFGBuilder took 1617.98 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 162.8 MB in the beginning and 103.0 MB in the end (delta: 59.8 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:18:51,745 INFO L168 Benchmark]: TraceAbstraction took 33552.70 ms. Allocated memory was 230.7 MB in the beginning and 653.3 MB in the end (delta: 422.6 MB). Free memory was 103.0 MB in the beginning and 472.1 MB in the end (delta: -369.1 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:18:51,749 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 0.18 ms. Allocated memory is still 136.8 MB. Free memory was 118.7 MB in the beginning and 118.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 622.59 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 98.5 MB in the beginning and 168.3 MB in the end (delta: -69.8 MB). Peak memory consumption was 28.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 187.25 ms. Allocated memory is still 200.3 MB. Free memory was 168.3 MB in the beginning and 162.8 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1617.98 ms. Allocated memory was 200.3 MB in the beginning and 230.7 MB in the end (delta: 30.4 MB). Free memory was 162.8 MB in the beginning and 103.0 MB in the end (delta: 59.8 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 33552.70 ms. Allocated memory was 230.7 MB in the beginning and 653.3 MB in the end (delta: 422.6 MB). Free memory was 103.0 MB in the beginning and 472.1 MB in the end (delta: -369.1 MB). Peak memory consumption was 53.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 302]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=173, \old(head)=165, \old(head)=176, \old(methaneLevelCritical)=145, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L380] int retValue_acc ; [L381] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L385] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L386] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L387] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L387] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L391] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L392] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L374] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L169] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L177] tmp = __VERIFIER_nondet_int() [L179] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L181] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L421] COND TRUE waterLevel < 2 [L422] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L181] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L212] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L56] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L63] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L65] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L71] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L271] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L277] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L277] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L277] tmp___0 = getWaterLevel() [L279] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L281] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L111] int retValue_acc ; [L114] retValue_acc = pumpRunning [L115] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L281] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L281] tmp___1 = isPumpRunning() [L283] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L287] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L302] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 33.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 25.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 305 SDtfs, 400 SDslu, 204 SDs, 0 SdLazy, 957 SolverSat, 209 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 286 NumberOfCodeBlocks, 286 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 218 ConstructedInterpolants, 0 QuantifiedInterpolants, 61735 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...