/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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:21:32,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:21:32,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:21:32,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:21:32,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:21:32,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:21:32,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:21:32,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:21:32,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:21:32,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:21:32,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:21:32,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:21:32,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:21:32,470 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:21:32,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:21:32,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:21:32,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:21:32,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:21:32,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:21:32,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:21:32,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:21:32,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:21:32,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:21:32,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:21:32,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:21:32,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:21:32,494 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:21:32,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:21:32,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:21:32,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:21:32,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:21:32,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:21:32,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:21:32,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:21:32,503 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:21:32,503 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:21:32,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:21:32,505 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:21:32,505 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:21:32,506 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:21:32,507 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:21:32,508 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 21:21:32,526 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:21:32,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:21:32,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:21:32,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:21:32,529 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:21:32,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:21:32,529 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:21:32,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:21:32,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:21:32,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:21:32,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:21:32,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:21:32,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:21:32,531 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:21:32,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:21:32,532 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:21:32,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:21:32,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:21:32,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:21:32,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:21:32,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:21:32,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:21:32,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:21:32,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:21:32,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:21:32,533 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:21:32,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:21:32,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:21:32,534 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:21:32,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:21:32,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:21:32,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:21:32,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:21:32,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:21:32,817 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:21:32,817 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2020-07-17 21:21:32,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735a4fa3f/835e452cd4f44f25b72a5d244751d95c/FLAG827e48767 [2020-07-17 21:21:33,423 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:21:33,429 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product19.cil.c [2020-07-17 21:21:33,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735a4fa3f/835e452cd4f44f25b72a5d244751d95c/FLAG827e48767 [2020-07-17 21:21:33,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735a4fa3f/835e452cd4f44f25b72a5d244751d95c [2020-07-17 21:21:33,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:21:33,779 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:21:33,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:21:33,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:21:33,784 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:21:33,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:21:33" (1/1) ... [2020-07-17 21:21:33,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5888c512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:33, skipping insertion in model container [2020-07-17 21:21:33,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:21:33" (1/1) ... [2020-07-17 21:21:33,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:21:33,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:21:34,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:21:34,288 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:21:34,385 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:21:34,433 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:21:34,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34 WrapperNode [2020-07-17 21:21:34,434 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:21:34,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:21:34,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:21:34,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:21:34,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,531 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (1/1) ... [2020-07-17 21:21:34,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:21:34,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:21:34,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:21:34,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:21:34,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (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 21:21:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:21:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:21:34,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:21:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:21:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:21:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:21:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:21:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:21:34,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:21:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:21:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:21:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:21:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:21:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:21:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:21:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:21:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:21:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:21:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:21:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:21:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 21:21:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:21:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:21:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 21:21:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:21:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:21:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:21:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:21:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:21:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:21:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 21:21:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:21:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:21:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:21:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:21:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:21:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:21:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:21:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:21:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:21:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:21:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:21:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:21:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 21:21:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:21:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:21:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:21:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:21:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 21:21:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 21:21:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:21:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:21:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:21:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:21:36,174 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:21:36,175 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:21:36,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:21:36 BoogieIcfgContainer [2020-07-17 21:21:36,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:21:36,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:21:36,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:21:36,185 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:21:36,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:21:33" (1/3) ... [2020-07-17 21:21:36,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2136d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:21:36, skipping insertion in model container [2020-07-17 21:21:36,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:21:34" (2/3) ... [2020-07-17 21:21:36,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2136d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:21:36, skipping insertion in model container [2020-07-17 21:21:36,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:21:36" (3/3) ... [2020-07-17 21:21:36,188 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product19.cil.c [2020-07-17 21:21:36,199 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:21:36,207 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:21:36,223 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:21:36,248 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:21:36,249 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:21:36,249 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:21:36,249 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:21:36,250 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:21:36,250 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:21:36,250 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:21:36,250 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:21:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2020-07-17 21:21:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:21:36,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:36,289 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 21:21:36,289 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:36,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:36,296 INFO L82 PathProgramCache]: Analyzing trace with hash 506531791, now seen corresponding path program 1 times [2020-07-17 21:21:36,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:36,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945764570] [2020-07-17 21:21:36,310 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,083 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,187 INFO L280 TraceCheckUtils]: 0: Hoare triple {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {165#true} is VALID [2020-07-17 21:21:37,188 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,188 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {165#true} #498#return; {165#true} is VALID [2020-07-17 21:21:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,203 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,204 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #408#return; {165#true} is VALID [2020-07-17 21:21:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,208 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,208 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #410#return; {165#true} is VALID [2020-07-17 21:21:37,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,215 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {165#true} is VALID [2020-07-17 21:21:37,215 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,216 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {165#true} #412#return; {165#true} is VALID [2020-07-17 21:21:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,222 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,222 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {165#true} {165#true} #414#return; {165#true} is VALID [2020-07-17 21:21:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,230 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {165#true} is VALID [2020-07-17 21:21:37,231 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,231 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #490#return; {166#false} is VALID [2020-07-17 21:21:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,241 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {165#true} is VALID [2020-07-17 21:21:37,242 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,243 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #492#return; {166#false} is VALID [2020-07-17 21:21:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:37,254 INFO L280 TraceCheckUtils]: 0: Hoare triple {165#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {165#true} is VALID [2020-07-17 21:21:37,254 INFO L280 TraceCheckUtils]: 1: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,255 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {165#true} {166#false} #494#return; {166#false} is VALID [2020-07-17 21:21:37,262 INFO L263 TraceCheckUtils]: 0: Hoare triple {165#true} call ULTIMATE.init(); {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:37,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {188#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {165#true} is VALID [2020-07-17 21:21:37,263 INFO L280 TraceCheckUtils]: 2: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,263 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {165#true} {165#true} #498#return; {165#true} is VALID [2020-07-17 21:21:37,264 INFO L263 TraceCheckUtils]: 4: Hoare triple {165#true} call #t~ret73 := main(); {165#true} is VALID [2020-07-17 21:21:37,264 INFO L280 TraceCheckUtils]: 5: Hoare triple {165#true} havoc ~retValue_acc~5;havoc ~tmp~4; {165#true} is VALID [2020-07-17 21:21:37,264 INFO L263 TraceCheckUtils]: 6: Hoare triple {165#true} call select_helpers(); {165#true} is VALID [2020-07-17 21:21:37,264 INFO L280 TraceCheckUtils]: 7: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,265 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {165#true} {165#true} #408#return; {165#true} is VALID [2020-07-17 21:21:37,265 INFO L263 TraceCheckUtils]: 9: Hoare triple {165#true} call select_features(); {165#true} is VALID [2020-07-17 21:21:37,265 INFO L280 TraceCheckUtils]: 10: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,266 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {165#true} {165#true} #410#return; {165#true} is VALID [2020-07-17 21:21:37,266 INFO L263 TraceCheckUtils]: 12: Hoare triple {165#true} call #t~ret39 := valid_product(); {165#true} is VALID [2020-07-17 21:21:37,266 INFO L280 TraceCheckUtils]: 13: Hoare triple {165#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {165#true} is VALID [2020-07-17 21:21:37,267 INFO L280 TraceCheckUtils]: 14: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,267 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {165#true} {165#true} #412#return; {165#true} is VALID [2020-07-17 21:21:37,267 INFO L280 TraceCheckUtils]: 16: Hoare triple {165#true} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp~4 := #t~ret39;havoc #t~ret39; {165#true} is VALID [2020-07-17 21:21:37,267 INFO L280 TraceCheckUtils]: 17: Hoare triple {165#true} assume 0 != ~tmp~4; {165#true} is VALID [2020-07-17 21:21:37,268 INFO L263 TraceCheckUtils]: 18: Hoare triple {165#true} call setup(); {165#true} is VALID [2020-07-17 21:21:37,268 INFO L280 TraceCheckUtils]: 19: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,268 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {165#true} {165#true} #414#return; {165#true} is VALID [2020-07-17 21:21:37,269 INFO L263 TraceCheckUtils]: 21: Hoare triple {165#true} call runTest(); {165#true} is VALID [2020-07-17 21:21:37,269 INFO L263 TraceCheckUtils]: 22: Hoare triple {165#true} call test(); {165#true} is VALID [2020-07-17 21:21:37,269 INFO L280 TraceCheckUtils]: 23: Hoare triple {165#true} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {165#true} is VALID [2020-07-17 21:21:37,270 INFO L280 TraceCheckUtils]: 24: Hoare triple {165#true} assume false; {166#false} is VALID [2020-07-17 21:21:37,271 INFO L263 TraceCheckUtils]: 25: Hoare triple {166#false} call cleanup(); {166#false} is VALID [2020-07-17 21:21:37,271 INFO L280 TraceCheckUtils]: 26: Hoare triple {166#false} havoc ~i~0;havoc ~__cil_tmp2~0; {166#false} is VALID [2020-07-17 21:21:37,271 INFO L263 TraceCheckUtils]: 27: Hoare triple {166#false} call timeShift(); {166#false} is VALID [2020-07-17 21:21:37,272 INFO L280 TraceCheckUtils]: 28: Hoare triple {166#false} assume !(0 != ~pumpRunning~0); {166#false} is VALID [2020-07-17 21:21:37,272 INFO L280 TraceCheckUtils]: 29: Hoare triple {166#false} assume !(0 != ~systemActive~0); {166#false} is VALID [2020-07-17 21:21:37,272 INFO L263 TraceCheckUtils]: 30: Hoare triple {166#false} call __utac_acc__Specification3_spec__1(); {166#false} is VALID [2020-07-17 21:21:37,273 INFO L280 TraceCheckUtils]: 31: Hoare triple {166#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {166#false} is VALID [2020-07-17 21:21:37,273 INFO L263 TraceCheckUtils]: 32: Hoare triple {166#false} call #t~ret1 := isMethaneLevelCritical(); {165#true} is VALID [2020-07-17 21:21:37,273 INFO L280 TraceCheckUtils]: 33: Hoare triple {165#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {165#true} is VALID [2020-07-17 21:21:37,274 INFO L280 TraceCheckUtils]: 34: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,274 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {165#true} {166#false} #490#return; {166#false} is VALID [2020-07-17 21:21:37,278 INFO L280 TraceCheckUtils]: 36: Hoare triple {166#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {166#false} is VALID [2020-07-17 21:21:37,278 INFO L280 TraceCheckUtils]: 37: Hoare triple {166#false} assume !(0 != ~tmp~0); {166#false} is VALID [2020-07-17 21:21:37,279 INFO L263 TraceCheckUtils]: 38: Hoare triple {166#false} call #t~ret2 := getWaterLevel(); {165#true} is VALID [2020-07-17 21:21:37,279 INFO L280 TraceCheckUtils]: 39: Hoare triple {165#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {165#true} is VALID [2020-07-17 21:21:37,279 INFO L280 TraceCheckUtils]: 40: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,279 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {165#true} {166#false} #492#return; {166#false} is VALID [2020-07-17 21:21:37,280 INFO L280 TraceCheckUtils]: 42: Hoare triple {166#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___0~0 := #t~ret2;havoc #t~ret2; {166#false} is VALID [2020-07-17 21:21:37,282 INFO L280 TraceCheckUtils]: 43: Hoare triple {166#false} assume 2 == ~tmp___0~0; {166#false} is VALID [2020-07-17 21:21:37,282 INFO L263 TraceCheckUtils]: 44: Hoare triple {166#false} call #t~ret3 := isPumpRunning(); {165#true} is VALID [2020-07-17 21:21:37,283 INFO L280 TraceCheckUtils]: 45: Hoare triple {165#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {165#true} is VALID [2020-07-17 21:21:37,283 INFO L280 TraceCheckUtils]: 46: Hoare triple {165#true} assume true; {165#true} is VALID [2020-07-17 21:21:37,283 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {165#true} {166#false} #494#return; {166#false} is VALID [2020-07-17 21:21:37,283 INFO L280 TraceCheckUtils]: 48: Hoare triple {166#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp___1~0 := #t~ret3;havoc #t~ret3; {166#false} is VALID [2020-07-17 21:21:37,284 INFO L280 TraceCheckUtils]: 49: Hoare triple {166#false} assume !(0 != ~tmp___1~0); {166#false} is VALID [2020-07-17 21:21:37,284 INFO L263 TraceCheckUtils]: 50: Hoare triple {166#false} call __automaton_fail(); {166#false} is VALID [2020-07-17 21:21:37,285 INFO L280 TraceCheckUtils]: 51: Hoare triple {166#false} assume !false; {166#false} is VALID [2020-07-17 21:21:37,297 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 21:21:37,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945764570] [2020-07-17 21:21:37,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:37,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:21:37,301 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413131092] [2020-07-17 21:21:37,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:21:37,314 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:37,317 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:21:37,412 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 21:21:37,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:21:37,413 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:37,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:21:37,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:21:37,425 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 3 states. [2020-07-17 21:21:41,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:41,450 INFO L93 Difference]: Finished difference Result 273 states and 360 transitions. [2020-07-17 21:21:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:21:41,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:21:41,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:41,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:21:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-17 21:21:41,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:21:41,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 360 transitions. [2020-07-17 21:21:41,538 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 360 transitions. [2020-07-17 21:21:42,701 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 360 edges. 360 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:42,724 INFO L225 Difference]: With dead ends: 273 [2020-07-17 21:21:42,724 INFO L226 Difference]: Without dead ends: 148 [2020-07-17 21:21:42,729 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 21:21:42,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-07-17 21:21:43,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 116. [2020-07-17 21:21:43,896 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:43,896 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states. Second operand 116 states. [2020-07-17 21:21:43,897 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states. Second operand 116 states. [2020-07-17 21:21:43,897 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 116 states. [2020-07-17 21:21:43,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:43,911 INFO L93 Difference]: Finished difference Result 148 states and 187 transitions. [2020-07-17 21:21:43,911 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2020-07-17 21:21:43,914 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:43,915 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:43,915 INFO L74 IsIncluded]: Start isIncluded. First operand 116 states. Second operand 148 states. [2020-07-17 21:21:43,915 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 148 states. [2020-07-17 21:21:43,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:43,926 INFO L93 Difference]: Finished difference Result 148 states and 187 transitions. [2020-07-17 21:21:43,926 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 187 transitions. [2020-07-17 21:21:43,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:43,928 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:43,929 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:43,929 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-07-17 21:21:43,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 136 transitions. [2020-07-17 21:21:43,937 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 136 transitions. Word has length 52 [2020-07-17 21:21:43,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:43,937 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 136 transitions. [2020-07-17 21:21:43,937 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:21:43,937 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 136 transitions. [2020-07-17 21:21:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:21:43,940 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:43,940 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 21:21:43,941 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:21:43,941 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:43,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:43,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1226284601, now seen corresponding path program 1 times [2020-07-17 21:21:43,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:43,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750223621] [2020-07-17 21:21:43,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,330 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,389 INFO L280 TraceCheckUtils]: 0: Hoare triple {1057#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1033#true} is VALID [2020-07-17 21:21:44,389 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,389 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1033#true} {1033#true} #498#return; {1033#true} is VALID [2020-07-17 21:21:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,392 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,392 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1033#true} {1033#true} #408#return; {1033#true} is VALID [2020-07-17 21:21:44,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,394 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,395 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1033#true} {1033#true} #410#return; {1033#true} is VALID [2020-07-17 21:21:44,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1033#true} is VALID [2020-07-17 21:21:44,400 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,400 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1033#true} {1033#true} #412#return; {1033#true} is VALID [2020-07-17 21:21:44,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,402 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,403 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1033#true} {1033#true} #414#return; {1033#true} is VALID [2020-07-17 21:21:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,406 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1033#true} is VALID [2020-07-17 21:21:44,406 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,407 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1033#true} {1034#false} #490#return; {1034#false} is VALID [2020-07-17 21:21:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,410 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1033#true} is VALID [2020-07-17 21:21:44,410 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,411 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1033#true} {1034#false} #492#return; {1034#false} is VALID [2020-07-17 21:21:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:44,420 INFO L280 TraceCheckUtils]: 0: Hoare triple {1033#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {1033#true} is VALID [2020-07-17 21:21:44,420 INFO L280 TraceCheckUtils]: 1: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,421 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1033#true} {1034#false} #494#return; {1034#false} is VALID [2020-07-17 21:21:44,425 INFO L263 TraceCheckUtils]: 0: Hoare triple {1033#true} call ULTIMATE.init(); {1057#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:44,425 INFO L280 TraceCheckUtils]: 1: Hoare triple {1057#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1033#true} is VALID [2020-07-17 21:21:44,426 INFO L280 TraceCheckUtils]: 2: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,426 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1033#true} {1033#true} #498#return; {1033#true} is VALID [2020-07-17 21:21:44,426 INFO L263 TraceCheckUtils]: 4: Hoare triple {1033#true} call #t~ret73 := main(); {1033#true} is VALID [2020-07-17 21:21:44,426 INFO L280 TraceCheckUtils]: 5: Hoare triple {1033#true} havoc ~retValue_acc~5;havoc ~tmp~4; {1033#true} is VALID [2020-07-17 21:21:44,427 INFO L263 TraceCheckUtils]: 6: Hoare triple {1033#true} call select_helpers(); {1033#true} is VALID [2020-07-17 21:21:44,427 INFO L280 TraceCheckUtils]: 7: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,427 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1033#true} {1033#true} #408#return; {1033#true} is VALID [2020-07-17 21:21:44,427 INFO L263 TraceCheckUtils]: 9: Hoare triple {1033#true} call select_features(); {1033#true} is VALID [2020-07-17 21:21:44,428 INFO L280 TraceCheckUtils]: 10: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,428 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1033#true} {1033#true} #410#return; {1033#true} is VALID [2020-07-17 21:21:44,428 INFO L263 TraceCheckUtils]: 12: Hoare triple {1033#true} call #t~ret39 := valid_product(); {1033#true} is VALID [2020-07-17 21:21:44,429 INFO L280 TraceCheckUtils]: 13: Hoare triple {1033#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1033#true} is VALID [2020-07-17 21:21:44,429 INFO L280 TraceCheckUtils]: 14: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,429 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1033#true} {1033#true} #412#return; {1033#true} is VALID [2020-07-17 21:21:44,429 INFO L280 TraceCheckUtils]: 16: Hoare triple {1033#true} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp~4 := #t~ret39;havoc #t~ret39; {1033#true} is VALID [2020-07-17 21:21:44,430 INFO L280 TraceCheckUtils]: 17: Hoare triple {1033#true} assume 0 != ~tmp~4; {1033#true} is VALID [2020-07-17 21:21:44,430 INFO L263 TraceCheckUtils]: 18: Hoare triple {1033#true} call setup(); {1033#true} is VALID [2020-07-17 21:21:44,430 INFO L280 TraceCheckUtils]: 19: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,430 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1033#true} {1033#true} #414#return; {1033#true} is VALID [2020-07-17 21:21:44,431 INFO L263 TraceCheckUtils]: 21: Hoare triple {1033#true} call runTest(); {1033#true} is VALID [2020-07-17 21:21:44,431 INFO L263 TraceCheckUtils]: 22: Hoare triple {1033#true} call test(); {1033#true} is VALID [2020-07-17 21:21:44,432 INFO L280 TraceCheckUtils]: 23: Hoare triple {1033#true} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1047#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:21:44,433 INFO L280 TraceCheckUtils]: 24: Hoare triple {1047#(= 0 test_~splverifierCounter~0)} assume !false; {1047#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:21:44,433 INFO L280 TraceCheckUtils]: 25: Hoare triple {1047#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1034#false} is VALID [2020-07-17 21:21:44,434 INFO L263 TraceCheckUtils]: 26: Hoare triple {1034#false} call cleanup(); {1034#false} is VALID [2020-07-17 21:21:44,434 INFO L280 TraceCheckUtils]: 27: Hoare triple {1034#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1034#false} is VALID [2020-07-17 21:21:44,434 INFO L263 TraceCheckUtils]: 28: Hoare triple {1034#false} call timeShift(); {1034#false} is VALID [2020-07-17 21:21:44,434 INFO L280 TraceCheckUtils]: 29: Hoare triple {1034#false} assume !(0 != ~pumpRunning~0); {1034#false} is VALID [2020-07-17 21:21:44,435 INFO L280 TraceCheckUtils]: 30: Hoare triple {1034#false} assume !(0 != ~systemActive~0); {1034#false} is VALID [2020-07-17 21:21:44,435 INFO L263 TraceCheckUtils]: 31: Hoare triple {1034#false} call __utac_acc__Specification3_spec__1(); {1034#false} is VALID [2020-07-17 21:21:44,435 INFO L280 TraceCheckUtils]: 32: Hoare triple {1034#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {1034#false} is VALID [2020-07-17 21:21:44,435 INFO L263 TraceCheckUtils]: 33: Hoare triple {1034#false} call #t~ret1 := isMethaneLevelCritical(); {1033#true} is VALID [2020-07-17 21:21:44,436 INFO L280 TraceCheckUtils]: 34: Hoare triple {1033#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1033#true} is VALID [2020-07-17 21:21:44,436 INFO L280 TraceCheckUtils]: 35: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,436 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1033#true} {1034#false} #490#return; {1034#false} is VALID [2020-07-17 21:21:44,436 INFO L280 TraceCheckUtils]: 37: Hoare triple {1034#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {1034#false} is VALID [2020-07-17 21:21:44,437 INFO L280 TraceCheckUtils]: 38: Hoare triple {1034#false} assume !(0 != ~tmp~0); {1034#false} is VALID [2020-07-17 21:21:44,437 INFO L263 TraceCheckUtils]: 39: Hoare triple {1034#false} call #t~ret2 := getWaterLevel(); {1033#true} is VALID [2020-07-17 21:21:44,437 INFO L280 TraceCheckUtils]: 40: Hoare triple {1033#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1033#true} is VALID [2020-07-17 21:21:44,437 INFO L280 TraceCheckUtils]: 41: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,438 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1033#true} {1034#false} #492#return; {1034#false} is VALID [2020-07-17 21:21:44,438 INFO L280 TraceCheckUtils]: 43: Hoare triple {1034#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___0~0 := #t~ret2;havoc #t~ret2; {1034#false} is VALID [2020-07-17 21:21:44,438 INFO L280 TraceCheckUtils]: 44: Hoare triple {1034#false} assume 2 == ~tmp___0~0; {1034#false} is VALID [2020-07-17 21:21:44,438 INFO L263 TraceCheckUtils]: 45: Hoare triple {1034#false} call #t~ret3 := isPumpRunning(); {1033#true} is VALID [2020-07-17 21:21:44,439 INFO L280 TraceCheckUtils]: 46: Hoare triple {1033#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {1033#true} is VALID [2020-07-17 21:21:44,439 INFO L280 TraceCheckUtils]: 47: Hoare triple {1033#true} assume true; {1033#true} is VALID [2020-07-17 21:21:44,439 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1033#true} {1034#false} #494#return; {1034#false} is VALID [2020-07-17 21:21:44,439 INFO L280 TraceCheckUtils]: 49: Hoare triple {1034#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp___1~0 := #t~ret3;havoc #t~ret3; {1034#false} is VALID [2020-07-17 21:21:44,440 INFO L280 TraceCheckUtils]: 50: Hoare triple {1034#false} assume !(0 != ~tmp___1~0); {1034#false} is VALID [2020-07-17 21:21:44,440 INFO L263 TraceCheckUtils]: 51: Hoare triple {1034#false} call __automaton_fail(); {1034#false} is VALID [2020-07-17 21:21:44,440 INFO L280 TraceCheckUtils]: 52: Hoare triple {1034#false} assume !false; {1034#false} is VALID [2020-07-17 21:21:44,446 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 21:21:44,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750223621] [2020-07-17 21:21:44,447 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:44,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:21:44,448 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132968027] [2020-07-17 21:21:44,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:21:44,450 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:44,450 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:21:44,516 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 21:21:44,517 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:21:44,517 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:44,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:21:44,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:21:44,518 INFO L87 Difference]: Start difference. First operand 116 states and 136 transitions. Second operand 4 states. [2020-07-17 21:21:45,713 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:21:48,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:48,659 INFO L93 Difference]: Finished difference Result 200 states and 243 transitions. [2020-07-17 21:21:48,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:21:48,659 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:21:48,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:21:48,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:21:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 243 transitions. [2020-07-17 21:21:48,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:21:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 243 transitions. [2020-07-17 21:21:48,673 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 243 transitions. [2020-07-17 21:21:49,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 243 edges. 243 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:21:49,499 INFO L225 Difference]: With dead ends: 200 [2020-07-17 21:21:49,499 INFO L226 Difference]: Without dead ends: 132 [2020-07-17 21:21:49,504 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 21:21:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-07-17 21:21:50,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 107. [2020-07-17 21:21:50,660 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:21:50,660 INFO L82 GeneralOperation]: Start isEquivalent. First operand 132 states. Second operand 107 states. [2020-07-17 21:21:50,660 INFO L74 IsIncluded]: Start isIncluded. First operand 132 states. Second operand 107 states. [2020-07-17 21:21:50,661 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 107 states. [2020-07-17 21:21:50,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:50,668 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2020-07-17 21:21:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2020-07-17 21:21:50,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:50,670 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:50,671 INFO L74 IsIncluded]: Start isIncluded. First operand 107 states. Second operand 132 states. [2020-07-17 21:21:50,671 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 132 states. [2020-07-17 21:21:50,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:21:50,678 INFO L93 Difference]: Finished difference Result 132 states and 163 transitions. [2020-07-17 21:21:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 163 transitions. [2020-07-17 21:21:50,679 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:21:50,680 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:21:50,680 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:21:50,680 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:21:50,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2020-07-17 21:21:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2020-07-17 21:21:50,685 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 53 [2020-07-17 21:21:50,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:21:50,685 INFO L479 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2020-07-17 21:21:50,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:21:50,685 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2020-07-17 21:21:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 21:21:50,687 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:21:50,687 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 21:21:50,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:21:50,688 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:21:50,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:21:50,688 INFO L82 PathProgramCache]: Analyzing trace with hash -860632419, now seen corresponding path program 1 times [2020-07-17 21:21:50,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:21:50,688 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020002369] [2020-07-17 21:21:50,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:21:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,065 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:21:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,169 INFO L280 TraceCheckUtils]: 0: Hoare triple {1792#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,169 INFO L280 TraceCheckUtils]: 1: Hoare triple {1770#(= 1 ~systemActive~0)} assume true; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,170 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1770#(= 1 ~systemActive~0)} {1765#true} #498#return; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,174 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,175 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1765#true} {1770#(= 1 ~systemActive~0)} #408#return; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,182 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,182 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1765#true} {1770#(= 1 ~systemActive~0)} #410#return; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,262 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:21:51,263 INFO L280 TraceCheckUtils]: 1: Hoare triple {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:21:51,264 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1770#(= 1 ~systemActive~0)} #412#return; {1778#(= |main_#t~ret39| ~systemActive~0)} is VALID [2020-07-17 21:21:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,267 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,268 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1765#true} {1780#(not (= 0 ~systemActive~0))} #414#return; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,270 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1765#true} is VALID [2020-07-17 21:21:51,271 INFO L280 TraceCheckUtils]: 1: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,271 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1765#true} {1766#false} #490#return; {1766#false} is VALID [2020-07-17 21:21:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1765#true} is VALID [2020-07-17 21:21:51,273 INFO L280 TraceCheckUtils]: 1: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,273 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1765#true} {1766#false} #492#return; {1766#false} is VALID [2020-07-17 21:21:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:21:51,276 INFO L280 TraceCheckUtils]: 0: Hoare triple {1765#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {1765#true} is VALID [2020-07-17 21:21:51,276 INFO L280 TraceCheckUtils]: 1: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,276 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1765#true} {1766#false} #494#return; {1766#false} is VALID [2020-07-17 21:21:51,280 INFO L263 TraceCheckUtils]: 0: Hoare triple {1765#true} call ULTIMATE.init(); {1792#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:21:51,285 INFO L280 TraceCheckUtils]: 1: Hoare triple {1792#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,285 INFO L280 TraceCheckUtils]: 2: Hoare triple {1770#(= 1 ~systemActive~0)} assume true; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,286 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1770#(= 1 ~systemActive~0)} {1765#true} #498#return; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,286 INFO L263 TraceCheckUtils]: 4: Hoare triple {1770#(= 1 ~systemActive~0)} call #t~ret73 := main(); {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,287 INFO L280 TraceCheckUtils]: 5: Hoare triple {1770#(= 1 ~systemActive~0)} havoc ~retValue_acc~5;havoc ~tmp~4; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,287 INFO L263 TraceCheckUtils]: 6: Hoare triple {1770#(= 1 ~systemActive~0)} call select_helpers(); {1765#true} is VALID [2020-07-17 21:21:51,287 INFO L280 TraceCheckUtils]: 7: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,287 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1765#true} {1770#(= 1 ~systemActive~0)} #408#return; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,288 INFO L263 TraceCheckUtils]: 9: Hoare triple {1770#(= 1 ~systemActive~0)} call select_features(); {1765#true} is VALID [2020-07-17 21:21:51,288 INFO L280 TraceCheckUtils]: 10: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,290 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1765#true} {1770#(= 1 ~systemActive~0)} #410#return; {1770#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:21:51,290 INFO L263 TraceCheckUtils]: 12: Hoare triple {1770#(= 1 ~systemActive~0)} call #t~ret39 := valid_product(); {1765#true} is VALID [2020-07-17 21:21:51,291 INFO L280 TraceCheckUtils]: 13: Hoare triple {1765#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:21:51,292 INFO L280 TraceCheckUtils]: 14: Hoare triple {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:21:51,293 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1793#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1770#(= 1 ~systemActive~0)} #412#return; {1778#(= |main_#t~ret39| ~systemActive~0)} is VALID [2020-07-17 21:21:51,293 INFO L280 TraceCheckUtils]: 16: Hoare triple {1778#(= |main_#t~ret39| ~systemActive~0)} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp~4 := #t~ret39;havoc #t~ret39; {1779#(= main_~tmp~4 ~systemActive~0)} is VALID [2020-07-17 21:21:51,294 INFO L280 TraceCheckUtils]: 17: Hoare triple {1779#(= main_~tmp~4 ~systemActive~0)} assume 0 != ~tmp~4; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,294 INFO L263 TraceCheckUtils]: 18: Hoare triple {1780#(not (= 0 ~systemActive~0))} call setup(); {1765#true} is VALID [2020-07-17 21:21:51,295 INFO L280 TraceCheckUtils]: 19: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,295 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1765#true} {1780#(not (= 0 ~systemActive~0))} #414#return; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,296 INFO L263 TraceCheckUtils]: 21: Hoare triple {1780#(not (= 0 ~systemActive~0))} call runTest(); {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,297 INFO L263 TraceCheckUtils]: 22: Hoare triple {1780#(not (= 0 ~systemActive~0))} call test(); {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,297 INFO L280 TraceCheckUtils]: 23: Hoare triple {1780#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,300 INFO L280 TraceCheckUtils]: 24: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume !false; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,301 INFO L280 TraceCheckUtils]: 25: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,301 INFO L280 TraceCheckUtils]: 26: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp~5 := #t~nondet50;havoc #t~nondet50; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,301 INFO L280 TraceCheckUtils]: 27: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~5); {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,302 INFO L280 TraceCheckUtils]: 28: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet51 && #t~nondet51 <= 2147483647;~tmp___0~1 := #t~nondet51;havoc #t~nondet51; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,302 INFO L280 TraceCheckUtils]: 29: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~1); {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,303 INFO L280 TraceCheckUtils]: 30: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet52 && #t~nondet52 <= 2147483647;~tmp___2~0 := #t~nondet52;havoc #t~nondet52; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,303 INFO L280 TraceCheckUtils]: 31: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,304 INFO L263 TraceCheckUtils]: 32: Hoare triple {1780#(not (= 0 ~systemActive~0))} call timeShift(); {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,304 INFO L280 TraceCheckUtils]: 33: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1780#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:21:51,304 INFO L280 TraceCheckUtils]: 34: Hoare triple {1780#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1766#false} is VALID [2020-07-17 21:21:51,305 INFO L263 TraceCheckUtils]: 35: Hoare triple {1766#false} call __utac_acc__Specification3_spec__1(); {1766#false} is VALID [2020-07-17 21:21:51,305 INFO L280 TraceCheckUtils]: 36: Hoare triple {1766#false} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {1766#false} is VALID [2020-07-17 21:21:51,305 INFO L263 TraceCheckUtils]: 37: Hoare triple {1766#false} call #t~ret1 := isMethaneLevelCritical(); {1765#true} is VALID [2020-07-17 21:21:51,305 INFO L280 TraceCheckUtils]: 38: Hoare triple {1765#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1765#true} is VALID [2020-07-17 21:21:51,306 INFO L280 TraceCheckUtils]: 39: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,306 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1765#true} {1766#false} #490#return; {1766#false} is VALID [2020-07-17 21:21:51,306 INFO L280 TraceCheckUtils]: 41: Hoare triple {1766#false} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {1766#false} is VALID [2020-07-17 21:21:51,306 INFO L280 TraceCheckUtils]: 42: Hoare triple {1766#false} assume !(0 != ~tmp~0); {1766#false} is VALID [2020-07-17 21:21:51,307 INFO L263 TraceCheckUtils]: 43: Hoare triple {1766#false} call #t~ret2 := getWaterLevel(); {1765#true} is VALID [2020-07-17 21:21:51,307 INFO L280 TraceCheckUtils]: 44: Hoare triple {1765#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1765#true} is VALID [2020-07-17 21:21:51,307 INFO L280 TraceCheckUtils]: 45: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,308 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1765#true} {1766#false} #492#return; {1766#false} is VALID [2020-07-17 21:21:51,308 INFO L280 TraceCheckUtils]: 47: Hoare triple {1766#false} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___0~0 := #t~ret2;havoc #t~ret2; {1766#false} is VALID [2020-07-17 21:21:51,309 INFO L280 TraceCheckUtils]: 48: Hoare triple {1766#false} assume 2 == ~tmp___0~0; {1766#false} is VALID [2020-07-17 21:21:51,309 INFO L263 TraceCheckUtils]: 49: Hoare triple {1766#false} call #t~ret3 := isPumpRunning(); {1765#true} is VALID [2020-07-17 21:21:51,309 INFO L280 TraceCheckUtils]: 50: Hoare triple {1765#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {1765#true} is VALID [2020-07-17 21:21:51,309 INFO L280 TraceCheckUtils]: 51: Hoare triple {1765#true} assume true; {1765#true} is VALID [2020-07-17 21:21:51,309 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1765#true} {1766#false} #494#return; {1766#false} is VALID [2020-07-17 21:21:51,310 INFO L280 TraceCheckUtils]: 53: Hoare triple {1766#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp___1~0 := #t~ret3;havoc #t~ret3; {1766#false} is VALID [2020-07-17 21:21:51,310 INFO L280 TraceCheckUtils]: 54: Hoare triple {1766#false} assume !(0 != ~tmp___1~0); {1766#false} is VALID [2020-07-17 21:21:51,310 INFO L263 TraceCheckUtils]: 55: Hoare triple {1766#false} call __automaton_fail(); {1766#false} is VALID [2020-07-17 21:21:51,310 INFO L280 TraceCheckUtils]: 56: Hoare triple {1766#false} assume !false; {1766#false} is VALID [2020-07-17 21:21:51,318 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 21:21:51,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020002369] [2020-07-17 21:21:51,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:21:51,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:21:51,320 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221326753] [2020-07-17 21:21:51,322 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:21:51,322 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:21:51,323 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:21:51,401 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 21:21:51,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:21:51,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:21:51,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:21:51,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:21:51,402 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 8 states. [2020-07-17 21:21:52,102 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:21:53,000 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:21:53,407 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:53,720 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:21:57,284 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:22:06,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:06,046 INFO L93 Difference]: Finished difference Result 375 states and 465 transitions. [2020-07-17 21:22:06,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:22:06,046 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:22:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:22:06,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 465 transitions. [2020-07-17 21:22:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 465 transitions. [2020-07-17 21:22:06,067 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 465 transitions. [2020-07-17 21:22:07,681 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 465 edges. 465 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:22:07,694 INFO L225 Difference]: With dead ends: 375 [2020-07-17 21:22:07,694 INFO L226 Difference]: Without dead ends: 292 [2020-07-17 21:22:07,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 21:22:07,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2020-07-17 21:22:10,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 238. [2020-07-17 21:22:10,187 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:22:10,187 INFO L82 GeneralOperation]: Start isEquivalent. First operand 292 states. Second operand 238 states. [2020-07-17 21:22:10,188 INFO L74 IsIncluded]: Start isIncluded. First operand 292 states. Second operand 238 states. [2020-07-17 21:22:10,188 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 238 states. [2020-07-17 21:22:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:10,204 INFO L93 Difference]: Finished difference Result 292 states and 358 transitions. [2020-07-17 21:22:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 358 transitions. [2020-07-17 21:22:10,206 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:10,207 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:10,207 INFO L74 IsIncluded]: Start isIncluded. First operand 238 states. Second operand 292 states. [2020-07-17 21:22:10,207 INFO L87 Difference]: Start difference. First operand 238 states. Second operand 292 states. [2020-07-17 21:22:10,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:10,224 INFO L93 Difference]: Finished difference Result 292 states and 358 transitions. [2020-07-17 21:22:10,224 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 358 transitions. [2020-07-17 21:22:10,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:10,227 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:10,227 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:22:10,227 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:22:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2020-07-17 21:22:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 287 transitions. [2020-07-17 21:22:10,238 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 287 transitions. Word has length 57 [2020-07-17 21:22:10,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:22:10,240 INFO L479 AbstractCegarLoop]: Abstraction has 238 states and 287 transitions. [2020-07-17 21:22:10,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:22:10,240 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 287 transitions. [2020-07-17 21:22:10,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 21:22:10,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:22:10,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:22:10,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:22:10,245 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:22:10,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:22:10,245 INFO L82 PathProgramCache]: Analyzing trace with hash -792004887, now seen corresponding path program 1 times [2020-07-17 21:22:10,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:22:10,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424817942] [2020-07-17 21:22:10,246 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:22:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,586 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:22:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,703 INFO L280 TraceCheckUtils]: 0: Hoare triple {3282#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,720 INFO L280 TraceCheckUtils]: 1: Hoare triple {3257#(= 1 ~waterLevel~0)} assume true; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,721 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3257#(= 1 ~waterLevel~0)} {3252#true} #498#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,726 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,726 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #408#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,731 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,732 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #410#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,740 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {3252#true} is VALID [2020-07-17 21:22:10,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,741 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #412#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,745 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #414#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,765 INFO L280 TraceCheckUtils]: 0: Hoare triple {3283#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3252#true} is VALID [2020-07-17 21:22:10,766 INFO L280 TraceCheckUtils]: 1: Hoare triple {3252#true} ~systemActive~0 := 0; {3252#true} is VALID [2020-07-17 21:22:10,766 INFO L280 TraceCheckUtils]: 2: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,767 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #464#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,771 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {3252#true} is VALID [2020-07-17 21:22:10,771 INFO L280 TraceCheckUtils]: 1: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,772 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #490#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,790 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {3284#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:22:10,791 INFO L280 TraceCheckUtils]: 1: Hoare triple {3284#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3284#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:22:10,792 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3284#(= |getWaterLevel_#res| ~waterLevel~0)} {3257#(= 1 ~waterLevel~0)} #492#return; {3277#(= 1 |__utac_acc__Specification3_spec__1_#t~ret2|)} is VALID [2020-07-17 21:22:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:22:10,802 INFO L280 TraceCheckUtils]: 0: Hoare triple {3252#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {3252#true} is VALID [2020-07-17 21:22:10,803 INFO L280 TraceCheckUtils]: 1: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,803 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {3252#true} {3253#false} #494#return; {3253#false} is VALID [2020-07-17 21:22:10,808 INFO L263 TraceCheckUtils]: 0: Hoare triple {3252#true} call ULTIMATE.init(); {3282#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:22:10,813 INFO L280 TraceCheckUtils]: 1: Hoare triple {3282#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string25.base| |old(#t~string25.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,815 INFO L280 TraceCheckUtils]: 2: Hoare triple {3257#(= 1 ~waterLevel~0)} assume true; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,816 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {3257#(= 1 ~waterLevel~0)} {3252#true} #498#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,819 INFO L263 TraceCheckUtils]: 4: Hoare triple {3257#(= 1 ~waterLevel~0)} call #t~ret73 := main(); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,822 INFO L280 TraceCheckUtils]: 5: Hoare triple {3257#(= 1 ~waterLevel~0)} havoc ~retValue_acc~5;havoc ~tmp~4; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,823 INFO L263 TraceCheckUtils]: 6: Hoare triple {3257#(= 1 ~waterLevel~0)} call select_helpers(); {3252#true} is VALID [2020-07-17 21:22:10,823 INFO L280 TraceCheckUtils]: 7: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,825 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #408#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,825 INFO L263 TraceCheckUtils]: 9: Hoare triple {3257#(= 1 ~waterLevel~0)} call select_features(); {3252#true} is VALID [2020-07-17 21:22:10,825 INFO L280 TraceCheckUtils]: 10: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,826 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #410#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,826 INFO L263 TraceCheckUtils]: 12: Hoare triple {3257#(= 1 ~waterLevel~0)} call #t~ret39 := valid_product(); {3252#true} is VALID [2020-07-17 21:22:10,826 INFO L280 TraceCheckUtils]: 13: Hoare triple {3252#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {3252#true} is VALID [2020-07-17 21:22:10,826 INFO L280 TraceCheckUtils]: 14: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,827 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #412#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,828 INFO L280 TraceCheckUtils]: 16: Hoare triple {3257#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp~4 := #t~ret39;havoc #t~ret39; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,828 INFO L280 TraceCheckUtils]: 17: Hoare triple {3257#(= 1 ~waterLevel~0)} assume 0 != ~tmp~4; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,828 INFO L263 TraceCheckUtils]: 18: Hoare triple {3257#(= 1 ~waterLevel~0)} call setup(); {3252#true} is VALID [2020-07-17 21:22:10,829 INFO L280 TraceCheckUtils]: 19: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,829 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #414#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,830 INFO L263 TraceCheckUtils]: 21: Hoare triple {3257#(= 1 ~waterLevel~0)} call runTest(); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,830 INFO L263 TraceCheckUtils]: 22: Hoare triple {3257#(= 1 ~waterLevel~0)} call test(); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,831 INFO L280 TraceCheckUtils]: 23: Hoare triple {3257#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~5;havoc ~tmp___0~1;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,831 INFO L280 TraceCheckUtils]: 24: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !false; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,833 INFO L280 TraceCheckUtils]: 25: Hoare triple {3257#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,834 INFO L280 TraceCheckUtils]: 26: Hoare triple {3257#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet50 && #t~nondet50 <= 2147483647;~tmp~5 := #t~nondet50;havoc #t~nondet50; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,834 INFO L280 TraceCheckUtils]: 27: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~5); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,835 INFO L280 TraceCheckUtils]: 28: Hoare triple {3257#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet51 && #t~nondet51 <= 2147483647;~tmp___0~1 := #t~nondet51;havoc #t~nondet51; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,835 INFO L280 TraceCheckUtils]: 29: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~1); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,836 INFO L280 TraceCheckUtils]: 30: Hoare triple {3257#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet52 && #t~nondet52 <= 2147483647;~tmp___2~0 := #t~nondet52;havoc #t~nondet52; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,837 INFO L280 TraceCheckUtils]: 31: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet53 && #t~nondet53 <= 2147483647;~tmp___1~1 := #t~nondet53;havoc #t~nondet53; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,837 INFO L280 TraceCheckUtils]: 32: Hoare triple {3257#(= 1 ~waterLevel~0)} assume 0 != ~tmp___1~1; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,838 INFO L263 TraceCheckUtils]: 33: Hoare triple {3257#(= 1 ~waterLevel~0)} call stopSystem(); {3283#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-17 21:22:10,838 INFO L280 TraceCheckUtils]: 34: Hoare triple {3283#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {3252#true} is VALID [2020-07-17 21:22:10,838 INFO L280 TraceCheckUtils]: 35: Hoare triple {3252#true} ~systemActive~0 := 0; {3252#true} is VALID [2020-07-17 21:22:10,838 INFO L280 TraceCheckUtils]: 36: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,839 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #464#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,840 INFO L263 TraceCheckUtils]: 38: Hoare triple {3257#(= 1 ~waterLevel~0)} call timeShift(); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,840 INFO L280 TraceCheckUtils]: 39: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,841 INFO L280 TraceCheckUtils]: 40: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !(0 != ~systemActive~0); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,841 INFO L263 TraceCheckUtils]: 41: Hoare triple {3257#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,842 INFO L280 TraceCheckUtils]: 42: Hoare triple {3257#(= 1 ~waterLevel~0)} havoc ~tmp~0;havoc ~tmp___0~0;havoc ~tmp___1~0; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,842 INFO L263 TraceCheckUtils]: 43: Hoare triple {3257#(= 1 ~waterLevel~0)} call #t~ret1 := isMethaneLevelCritical(); {3252#true} is VALID [2020-07-17 21:22:10,842 INFO L280 TraceCheckUtils]: 44: Hoare triple {3252#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {3252#true} is VALID [2020-07-17 21:22:10,843 INFO L280 TraceCheckUtils]: 45: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,843 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {3252#true} {3257#(= 1 ~waterLevel~0)} #490#return; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,844 INFO L280 TraceCheckUtils]: 47: Hoare triple {3257#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret1 && #t~ret1 <= 2147483647;~tmp~0 := #t~ret1;havoc #t~ret1; {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,844 INFO L280 TraceCheckUtils]: 48: Hoare triple {3257#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~0); {3257#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:22:10,845 INFO L263 TraceCheckUtils]: 49: Hoare triple {3257#(= 1 ~waterLevel~0)} call #t~ret2 := getWaterLevel(); {3252#true} is VALID [2020-07-17 21:22:10,845 INFO L280 TraceCheckUtils]: 50: Hoare triple {3252#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {3284#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:22:10,846 INFO L280 TraceCheckUtils]: 51: Hoare triple {3284#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {3284#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:22:10,847 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {3284#(= |getWaterLevel_#res| ~waterLevel~0)} {3257#(= 1 ~waterLevel~0)} #492#return; {3277#(= 1 |__utac_acc__Specification3_spec__1_#t~ret2|)} is VALID [2020-07-17 21:22:10,847 INFO L280 TraceCheckUtils]: 53: Hoare triple {3277#(= 1 |__utac_acc__Specification3_spec__1_#t~ret2|)} assume -2147483648 <= #t~ret2 && #t~ret2 <= 2147483647;~tmp___0~0 := #t~ret2;havoc #t~ret2; {3278#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} is VALID [2020-07-17 21:22:10,848 INFO L280 TraceCheckUtils]: 54: Hoare triple {3278#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~0)} assume 2 == ~tmp___0~0; {3253#false} is VALID [2020-07-17 21:22:10,848 INFO L263 TraceCheckUtils]: 55: Hoare triple {3253#false} call #t~ret3 := isPumpRunning(); {3252#true} is VALID [2020-07-17 21:22:10,848 INFO L280 TraceCheckUtils]: 56: Hoare triple {3252#true} havoc ~retValue_acc~10;~retValue_acc~10 := ~pumpRunning~0;#res := ~retValue_acc~10; {3252#true} is VALID [2020-07-17 21:22:10,848 INFO L280 TraceCheckUtils]: 57: Hoare triple {3252#true} assume true; {3252#true} is VALID [2020-07-17 21:22:10,849 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {3252#true} {3253#false} #494#return; {3253#false} is VALID [2020-07-17 21:22:10,849 INFO L280 TraceCheckUtils]: 59: Hoare triple {3253#false} assume -2147483648 <= #t~ret3 && #t~ret3 <= 2147483647;~tmp___1~0 := #t~ret3;havoc #t~ret3; {3253#false} is VALID [2020-07-17 21:22:10,849 INFO L280 TraceCheckUtils]: 60: Hoare triple {3253#false} assume !(0 != ~tmp___1~0); {3253#false} is VALID [2020-07-17 21:22:10,849 INFO L263 TraceCheckUtils]: 61: Hoare triple {3253#false} call __automaton_fail(); {3253#false} is VALID [2020-07-17 21:22:10,849 INFO L280 TraceCheckUtils]: 62: Hoare triple {3253#false} assume !false; {3253#false} is VALID [2020-07-17 21:22:10,859 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 21:22:10,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424817942] [2020-07-17 21:22:10,859 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:22:10,859 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:22:10,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923748553] [2020-07-17 21:22:10,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:22:10,862 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:22:10,862 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:22:10,941 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:22:10,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:22:10,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:22:10,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:22:10,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:22:10,943 INFO L87 Difference]: Start difference. First operand 238 states and 287 transitions. Second operand 8 states. [2020-07-17 21:22:11,639 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:22:19,078 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:19,958 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:20,423 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:22:20,870 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:22:25,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:25,207 INFO L93 Difference]: Finished difference Result 726 states and 953 transitions. [2020-07-17 21:22:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 21:22:25,207 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 63 [2020-07-17 21:22:25,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:22:25,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 426 transitions. [2020-07-17 21:22:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:22:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 426 transitions. [2020-07-17 21:22:25,224 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 426 transitions. [2020-07-17 21:22:26,594 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 426 edges. 426 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:22:26,622 INFO L225 Difference]: With dead ends: 726 [2020-07-17 21:22:26,622 INFO L226 Difference]: Without dead ends: 512 [2020-07-17 21:22:26,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 21:22:26,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-07-17 21:22:31,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 449. [2020-07-17 21:22:31,193 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:22:31,193 INFO L82 GeneralOperation]: Start isEquivalent. First operand 512 states. Second operand 449 states. [2020-07-17 21:22:31,193 INFO L74 IsIncluded]: Start isIncluded. First operand 512 states. Second operand 449 states. [2020-07-17 21:22:31,193 INFO L87 Difference]: Start difference. First operand 512 states. Second operand 449 states. [2020-07-17 21:22:31,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:31,225 INFO L93 Difference]: Finished difference Result 512 states and 662 transitions. [2020-07-17 21:22:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 662 transitions. [2020-07-17 21:22:31,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:31,228 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:31,228 INFO L74 IsIncluded]: Start isIncluded. First operand 449 states. Second operand 512 states. [2020-07-17 21:22:31,228 INFO L87 Difference]: Start difference. First operand 449 states. Second operand 512 states. [2020-07-17 21:22:31,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:22:31,255 INFO L93 Difference]: Finished difference Result 512 states and 662 transitions. [2020-07-17 21:22:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 662 transitions. [2020-07-17 21:22:31,257 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:22:31,257 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:22:31,258 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:22:31,258 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:22:31,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-07-17 21:22:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 555 transitions. [2020-07-17 21:22:31,280 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 555 transitions. Word has length 63 [2020-07-17 21:22:31,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:22:31,280 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 555 transitions. [2020-07-17 21:22:31,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:22:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 555 transitions. [2020-07-17 21:22:31,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 21:22:31,282 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:22:31,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:22:31,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:22:31,283 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:22:31,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:22:31,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1802868975, now seen corresponding path program 1 times [2020-07-17 21:22:31,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:22:31,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537897320] [2020-07-17 21:22:31,284 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:22:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:22:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:22:31,460 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:22:31,460 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:22:31,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:22:31,627 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:22:31,628 WARN L170 areAnnotationChecker]: isLowWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:22:31,629 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: isLowWaterSensorDryENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:22:31,630 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:31,631 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-17 21:22:31,632 WARN L170 areAnnotationChecker]: L201-2 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L258-2 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L258-2 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L258-2 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L573 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L530 has no Hoare annotation [2020-07-17 21:22:31,633 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L910 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L908 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L892 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L856 has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:22:31,634 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: L457 has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: L834 has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: L792 has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:22:31,635 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L411 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: isLowWaterSensorDryFINAL has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L318 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-17 21:22:31,636 WARN L170 areAnnotationChecker]: L649 has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: L624-1 has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: L97 has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: L498 has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:22:31,637 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L762 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L760 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L760 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L600-1 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L612-1 has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:22:31,638 WARN L170 areAnnotationChecker]: L223 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L202 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L259 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L573-1 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: L531 has no Hoare annotation [2020-07-17 21:22:31,639 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L892-1 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L856-2 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L574 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L463 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L463 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L457-1 has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:22:31,640 WARN L170 areAnnotationChecker]: L834-1 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L794 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L807 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L807-1 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L742 has no Hoare annotation [2020-07-17 21:22:31,641 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L695 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L417 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L411-1 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: isLowWaterSensorDryEXIT has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L323 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L323 has no Hoare annotation [2020-07-17 21:22:31,642 WARN L170 areAnnotationChecker]: L649-2 has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: L97-1 has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: L498-1 has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-17 21:22:31,643 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: L767 has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: L579-1 has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: L579-1 has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:22:31,644 WARN L170 areAnnotationChecker]: L207 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L207 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L575 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L532 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L107-1 has no Hoare annotation [2020-07-17 21:22:31,645 WARN L170 areAnnotationChecker]: L894 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: L894 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: L868 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: L577-1 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: L794-1 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: L696 has no Hoare annotation [2020-07-17 21:22:31,646 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L340 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L340 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L277-1 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L540 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L714-1 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L103-1 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-17 21:22:31,647 WARN L170 areAnnotationChecker]: L99 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L502-2 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L536 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L704-1 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L105-1 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: L207-1 has no Hoare annotation [2020-07-17 21:22:31,648 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L264-1 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L577 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L730-1 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L730-1 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-17 21:22:31,649 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L894-2 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L868-2 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L796 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L704 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-17 21:22:31,650 WARN L170 areAnnotationChecker]: L343-2 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L382 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L541 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L724 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-17 21:22:31,651 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: L517 has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: L503 has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,652 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,653 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,653 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,653 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,654 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:22:31,654 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L537 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L714 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L714 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L359-1 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L375-1 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L277 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-17 21:22:31,655 WARN L170 areAnnotationChecker]: L579 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L534 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L113 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: isLowWaterLevelFINAL has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L879 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2020-07-17 21:22:31,656 WARN L170 areAnnotationChecker]: L798 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L802 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L706 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L383 has no Hoare annotation [2020-07-17 21:22:31,657 WARN L170 areAnnotationChecker]: L879-1 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L542 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L730 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L107 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-17 21:22:31,658 WARN L170 areAnnotationChecker]: L506 has no Hoare annotation [2020-07-17 21:22:31,659 WARN L170 areAnnotationChecker]: L538 has no Hoare annotation [2020-07-17 21:22:31,659 WARN L170 areAnnotationChecker]: L538 has no Hoare annotation [2020-07-17 21:22:31,659 WARN L170 areAnnotationChecker]: L513 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L716 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L535 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L535 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: isLowWaterLevelEXIT has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L375 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L375 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:22:31,660 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L543 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L506-1 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L539 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L359 has no Hoare annotation [2020-07-17 21:22:31,661 WARN L170 areAnnotationChecker]: L359 has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:22:31,662 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 21:22:31,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:22:31 BoogieIcfgContainer [2020-07-17 21:22:31,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:22:31,668 INFO L168 Benchmark]: Toolchain (without parser) took 57891.09 ms. Allocated memory was 144.2 MB in the beginning and 740.8 MB in the end (delta: 596.6 MB). Free memory was 99.4 MB in the beginning and 582.3 MB in the end (delta: -482.8 MB). Peak memory consumption was 113.8 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:31,670 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:22:31,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 654.06 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.0 MB in the beginning and 169.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:31,678 INFO L168 Benchmark]: Boogie Preprocessor took 116.61 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 164.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:31,678 INFO L168 Benchmark]: RCFGBuilder took 1626.57 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 95.7 MB in the end (delta: 68.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:31,679 INFO L168 Benchmark]: TraceAbstraction took 55485.00 ms. Allocated memory was 232.8 MB in the beginning and 740.8 MB in the end (delta: 508.0 MB). Free memory was 94.3 MB in the beginning and 582.3 MB in the end (delta: -488.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. [2020-07-17 21:22:31,685 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 0.22 ms. Allocated memory is still 144.2 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 654.06 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.0 MB in the beginning and 169.7 MB in the end (delta: -70.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.61 ms. Allocated memory is still 201.9 MB. Free memory was 169.7 MB in the beginning and 164.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1626.57 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 164.1 MB in the beginning and 95.7 MB in the end (delta: 68.3 MB). Peak memory consumption was 99.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55485.00 ms. Allocated memory was 232.8 MB in the beginning and 740.8 MB in the end (delta: 508.0 MB). Free memory was 94.3 MB in the beginning and 582.3 MB in the end (delta: -488.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L293] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L490] int cleanupTimeShifts = 4; [L594] int waterLevel = 1; [L595] int methaneLevelCritical = 0; [L753] int pumpRunning = 0; [L754] int systemActive = 1; VAL [\old(cleanupTimeShifts)=170, \old(head)=162, \old(head)=176, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L568] int retValue_acc ; [L569] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L573] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L574] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L575] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L575] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L575] tmp = valid_product() [L577] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L579] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L580] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L562] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L685] int splverifierCounter ; [L686] int tmp ; [L687] int tmp___0 ; [L688] int tmp___1 ; [L689] int tmp___2 ; [L692] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L694] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L696] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L702] tmp = __VERIFIER_nondet_int() [L704] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L706] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L612] COND TRUE waterLevel < 2 [L613] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L706] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L712] tmp___0 = __VERIFIER_nondet_int() [L714] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L722] tmp___2 = __VERIFIER_nondet_int() [L724] COND FALSE !(\read(tmp___2)) [L728] tmp___1 = __VERIFIER_nondet_int() [L730] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L732] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L908] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L915] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L732] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=-1, tmp___0=0, tmp___1=-2, tmp___2=0, waterLevel=2] [L739] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L760] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L767] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L775] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L633] int retValue_acc ; [L636] retValue_acc = methaneLevelCritical [L637] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L97] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L97] tmp = isMethaneLevelCritical() [L99] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L103] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L665] int retValue_acc ; [L668] retValue_acc = waterLevel [L669] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L103] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L107] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L841] int retValue_acc ; [L844] retValue_acc = pumpRunning [L845] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L107] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L113] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 223 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 55.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 42.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 439 SDtfs, 680 SDslu, 321 SDs, 0 SdLazy, 1683 SolverSat, 403 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 102 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=449occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 9.5s AutomataMinimizationTime, 4 MinimizatonAttempts, 174 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 61972 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...