/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_product05.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:19:34,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:19:34,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:19:34,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:19:34,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:19:34,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:19:34,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:19:34,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:19:34,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:19:34,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:19:34,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:19:34,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:19:34,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:19:34,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:19:34,574 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:19:34,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:19:34,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:19:34,578 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:19:34,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:19:34,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:19:34,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:19:34,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:19:34,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:19:34,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:19:34,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:19:34,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:19:34,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:19:34,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:19:34,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:19:34,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:19:34,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:19:34,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:19:34,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:19:34,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:19:34,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:19:34,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:19:34,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:19:34,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:19:34,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:19:34,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:19:34,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:19:34,603 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 21:19:34,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:19:34,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:19:34,626 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:19:34,627 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:19:34,627 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:19:34,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:19:34,627 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:19:34,627 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:19:34,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:19:34,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:19:34,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:19:34,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:19:34,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:19:34,630 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:19:34,630 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:19:34,630 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:19:34,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:19:34,631 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:19:34,631 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:19:34,631 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:19:34,631 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:19:34,631 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:19:34,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:19:34,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:19:34,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:19:34,632 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:19:34,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:19:34,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:19:34,633 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:19:34,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:19:34,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:19:34,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:19:34,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:19:34,929 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:19:34,930 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:19:34,931 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-07-17 21:19:35,006 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4726e46ab/bfd4bbeedc274992941afae87493bc6e/FLAG23bf8ba8d [2020-07-17 21:19:35,581 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:19:35,582 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product05.cil.c [2020-07-17 21:19:35,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4726e46ab/bfd4bbeedc274992941afae87493bc6e/FLAG23bf8ba8d [2020-07-17 21:19:35,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4726e46ab/bfd4bbeedc274992941afae87493bc6e [2020-07-17 21:19:35,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:19:35,901 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:19:35,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:19:35,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:19:35,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:19:35,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:19:35" (1/1) ... [2020-07-17 21:19:35,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cf4a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:35, skipping insertion in model container [2020-07-17 21:19:35,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:19:35" (1/1) ... [2020-07-17 21:19:35,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:19:35,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:19:36,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:19:36,408 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:19:36,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:19:36,565 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:19:36,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36 WrapperNode [2020-07-17 21:19:36,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:19:36,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:19:36,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:19:36,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:19:36,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (1/1) ... [2020-07-17 21:19:36,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:19:36,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:19:36,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:19:36,674 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:19:36,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (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 21:19:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:19:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:19:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:19:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 21:19:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:19:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:19:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:19:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:19:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:19:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:19:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:19:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:19:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:19:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:19:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:19:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:19:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:19:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:19:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:19:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:19:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:19:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:19:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:19:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:19:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:19:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:19:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:19:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:19:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:19:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:19:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:19:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:19:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:19:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:19:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:19:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:19:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:19:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:19:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:19:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:19:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:19:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 21:19:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:19:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:19:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:19:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:19:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:19:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:19:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:19:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:19:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:19:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:19:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:19:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:19:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:19:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:19:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:19:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:19:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:19:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:19:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:19:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:19:36,756 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:19:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:19:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:19:36,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:19:38,371 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:19:38,371 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:19:38,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:19:38 BoogieIcfgContainer [2020-07-17 21:19:38,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:19:38,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:19:38,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:19:38,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:19:38,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:19:35" (1/3) ... [2020-07-17 21:19:38,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bf2e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:19:38, skipping insertion in model container [2020-07-17 21:19:38,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:19:36" (2/3) ... [2020-07-17 21:19:38,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22bf2e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:19:38, skipping insertion in model container [2020-07-17 21:19:38,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:19:38" (3/3) ... [2020-07-17 21:19:38,387 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2020-07-17 21:19:38,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:19:38,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:19:38,423 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:19:38,452 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:19:38,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:19:38,452 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:19:38,453 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:19:38,453 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:19:38,453 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:19:38,454 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:19:38,454 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:19:38,482 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2020-07-17 21:19:38,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:19:38,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:38,496 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 21:19:38,497 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:38,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:38,505 INFO L82 PathProgramCache]: Analyzing trace with hash 385551815, now seen corresponding path program 1 times [2020-07-17 21:19:38,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:38,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281609268] [2020-07-17 21:19:38,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,315 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,399 INFO L280 TraceCheckUtils]: 0: Hoare triple {174#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {151#true} is VALID [2020-07-17 21:19:39,400 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,400 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {151#true} {151#true} #469#return; {151#true} is VALID [2020-07-17 21:19:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,413 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,414 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {151#true} {151#true} #385#return; {151#true} is VALID [2020-07-17 21:19:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,417 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,417 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {151#true} {151#true} #387#return; {151#true} is VALID [2020-07-17 21:19:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,422 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {151#true} is VALID [2020-07-17 21:19:39,422 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,423 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {151#true} {151#true} #389#return; {151#true} is VALID [2020-07-17 21:19:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,427 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,427 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {151#true} {151#true} #391#return; {151#true} is VALID [2020-07-17 21:19:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,431 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {151#true} is VALID [2020-07-17 21:19:39,432 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,432 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {151#true} {152#false} #461#return; {152#false} is VALID [2020-07-17 21:19:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,437 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {151#true} is VALID [2020-07-17 21:19:39,437 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,437 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {151#true} {152#false} #463#return; {152#false} is VALID [2020-07-17 21:19:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:39,441 INFO L280 TraceCheckUtils]: 0: Hoare triple {151#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {151#true} is VALID [2020-07-17 21:19:39,442 INFO L280 TraceCheckUtils]: 1: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,442 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {151#true} {152#false} #465#return; {152#false} is VALID [2020-07-17 21:19:39,448 INFO L263 TraceCheckUtils]: 0: Hoare triple {151#true} call ULTIMATE.init(); {174#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:19:39,449 INFO L280 TraceCheckUtils]: 1: Hoare triple {174#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {151#true} is VALID [2020-07-17 21:19:39,449 INFO L280 TraceCheckUtils]: 2: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,450 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {151#true} {151#true} #469#return; {151#true} is VALID [2020-07-17 21:19:39,450 INFO L263 TraceCheckUtils]: 4: Hoare triple {151#true} call #t~ret72 := main(); {151#true} is VALID [2020-07-17 21:19:39,450 INFO L280 TraceCheckUtils]: 5: Hoare triple {151#true} havoc ~retValue_acc~4;havoc ~tmp~2; {151#true} is VALID [2020-07-17 21:19:39,451 INFO L263 TraceCheckUtils]: 6: Hoare triple {151#true} call select_helpers(); {151#true} is VALID [2020-07-17 21:19:39,451 INFO L280 TraceCheckUtils]: 7: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,451 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {151#true} {151#true} #385#return; {151#true} is VALID [2020-07-17 21:19:39,452 INFO L263 TraceCheckUtils]: 9: Hoare triple {151#true} call select_features(); {151#true} is VALID [2020-07-17 21:19:39,452 INFO L280 TraceCheckUtils]: 10: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,452 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {151#true} {151#true} #387#return; {151#true} is VALID [2020-07-17 21:19:39,453 INFO L263 TraceCheckUtils]: 12: Hoare triple {151#true} call #t~ret23 := valid_product(); {151#true} is VALID [2020-07-17 21:19:39,453 INFO L280 TraceCheckUtils]: 13: Hoare triple {151#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {151#true} is VALID [2020-07-17 21:19:39,453 INFO L280 TraceCheckUtils]: 14: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,454 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {151#true} {151#true} #389#return; {151#true} is VALID [2020-07-17 21:19:39,454 INFO L280 TraceCheckUtils]: 16: Hoare triple {151#true} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~2 := #t~ret23;havoc #t~ret23; {151#true} is VALID [2020-07-17 21:19:39,454 INFO L280 TraceCheckUtils]: 17: Hoare triple {151#true} assume 0 != ~tmp~2; {151#true} is VALID [2020-07-17 21:19:39,455 INFO L263 TraceCheckUtils]: 18: Hoare triple {151#true} call setup(); {151#true} is VALID [2020-07-17 21:19:39,455 INFO L280 TraceCheckUtils]: 19: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,455 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {151#true} {151#true} #391#return; {151#true} is VALID [2020-07-17 21:19:39,456 INFO L263 TraceCheckUtils]: 21: Hoare triple {151#true} call runTest(); {151#true} is VALID [2020-07-17 21:19:39,456 INFO L263 TraceCheckUtils]: 22: Hoare triple {151#true} call test(); {151#true} is VALID [2020-07-17 21:19:39,456 INFO L280 TraceCheckUtils]: 23: Hoare triple {151#true} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {151#true} is VALID [2020-07-17 21:19:39,457 INFO L280 TraceCheckUtils]: 24: Hoare triple {151#true} assume !true; {152#false} is VALID [2020-07-17 21:19:39,458 INFO L263 TraceCheckUtils]: 25: Hoare triple {152#false} call cleanup(); {152#false} is VALID [2020-07-17 21:19:39,458 INFO L280 TraceCheckUtils]: 26: Hoare triple {152#false} havoc ~i~0;havoc ~__cil_tmp2~0; {152#false} is VALID [2020-07-17 21:19:39,458 INFO L263 TraceCheckUtils]: 27: Hoare triple {152#false} call timeShift(); {152#false} is VALID [2020-07-17 21:19:39,459 INFO L280 TraceCheckUtils]: 28: Hoare triple {152#false} assume !(0 != ~pumpRunning~0); {152#false} is VALID [2020-07-17 21:19:39,459 INFO L280 TraceCheckUtils]: 29: Hoare triple {152#false} assume !(0 != ~systemActive~0); {152#false} is VALID [2020-07-17 21:19:39,459 INFO L263 TraceCheckUtils]: 30: Hoare triple {152#false} call __utac_acc__Specification3_spec__1(); {152#false} is VALID [2020-07-17 21:19:39,460 INFO L280 TraceCheckUtils]: 31: Hoare triple {152#false} havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1; {152#false} is VALID [2020-07-17 21:19:39,460 INFO L263 TraceCheckUtils]: 32: Hoare triple {152#false} call #t~ret69 := isMethaneLevelCritical(); {151#true} is VALID [2020-07-17 21:19:39,460 INFO L280 TraceCheckUtils]: 33: Hoare triple {151#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {151#true} is VALID [2020-07-17 21:19:39,461 INFO L280 TraceCheckUtils]: 34: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,461 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {151#true} {152#false} #461#return; {152#false} is VALID [2020-07-17 21:19:39,461 INFO L280 TraceCheckUtils]: 36: Hoare triple {152#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~6 := #t~ret69;havoc #t~ret69; {152#false} is VALID [2020-07-17 21:19:39,462 INFO L280 TraceCheckUtils]: 37: Hoare triple {152#false} assume !(0 != ~tmp~6); {152#false} is VALID [2020-07-17 21:19:39,462 INFO L263 TraceCheckUtils]: 38: Hoare triple {152#false} call #t~ret70 := getWaterLevel(); {151#true} is VALID [2020-07-17 21:19:39,462 INFO L280 TraceCheckUtils]: 39: Hoare triple {151#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {151#true} is VALID [2020-07-17 21:19:39,463 INFO L280 TraceCheckUtils]: 40: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,463 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {151#true} {152#false} #463#return; {152#false} is VALID [2020-07-17 21:19:39,463 INFO L280 TraceCheckUtils]: 42: Hoare triple {152#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {152#false} is VALID [2020-07-17 21:19:39,464 INFO L280 TraceCheckUtils]: 43: Hoare triple {152#false} assume 2 == ~tmp___0~1; {152#false} is VALID [2020-07-17 21:19:39,464 INFO L263 TraceCheckUtils]: 44: Hoare triple {152#false} call #t~ret71 := isPumpRunning(); {151#true} is VALID [2020-07-17 21:19:39,464 INFO L280 TraceCheckUtils]: 45: Hoare triple {151#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {151#true} is VALID [2020-07-17 21:19:39,465 INFO L280 TraceCheckUtils]: 46: Hoare triple {151#true} assume true; {151#true} is VALID [2020-07-17 21:19:39,465 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {151#true} {152#false} #465#return; {152#false} is VALID [2020-07-17 21:19:39,465 INFO L280 TraceCheckUtils]: 48: Hoare triple {152#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {152#false} is VALID [2020-07-17 21:19:39,466 INFO L280 TraceCheckUtils]: 49: Hoare triple {152#false} assume !(0 != ~tmp___1~1); {152#false} is VALID [2020-07-17 21:19:39,466 INFO L263 TraceCheckUtils]: 50: Hoare triple {152#false} call __automaton_fail(); {152#false} is VALID [2020-07-17 21:19:39,466 INFO L280 TraceCheckUtils]: 51: Hoare triple {152#false} assume !false; {152#false} is VALID [2020-07-17 21:19:39,475 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 21:19:39,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281609268] [2020-07-17 21:19:39,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:39,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:19:39,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406365595] [2020-07-17 21:19:39,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:19:39,487 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:39,491 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:19:39,580 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 21:19:39,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:19:39,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:39,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:19:39,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:19:39,593 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 3 states. [2020-07-17 21:19:43,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:43,540 INFO L93 Difference]: Finished difference Result 249 states and 331 transitions. [2020-07-17 21:19:43,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:19:43,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:19:43,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:19:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2020-07-17 21:19:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:19:43,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 331 transitions. [2020-07-17 21:19:43,588 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 331 transitions. [2020-07-17 21:19:44,743 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 331 edges. 331 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:44,765 INFO L225 Difference]: With dead ends: 249 [2020-07-17 21:19:44,765 INFO L226 Difference]: Without dead ends: 135 [2020-07-17 21:19:44,770 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 21:19:44,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2020-07-17 21:19:45,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 105. [2020-07-17 21:19:45,906 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:45,906 INFO L82 GeneralOperation]: Start isEquivalent. First operand 135 states. Second operand 105 states. [2020-07-17 21:19:45,907 INFO L74 IsIncluded]: Start isIncluded. First operand 135 states. Second operand 105 states. [2020-07-17 21:19:45,907 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 105 states. [2020-07-17 21:19:45,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:45,922 INFO L93 Difference]: Finished difference Result 135 states and 171 transitions. [2020-07-17 21:19:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2020-07-17 21:19:45,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:45,926 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:45,926 INFO L74 IsIncluded]: Start isIncluded. First operand 105 states. Second operand 135 states. [2020-07-17 21:19:45,927 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 135 states. [2020-07-17 21:19:45,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:45,940 INFO L93 Difference]: Finished difference Result 135 states and 171 transitions. [2020-07-17 21:19:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 171 transitions. [2020-07-17 21:19:45,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:45,943 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:45,944 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:45,944 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-17 21:19:45,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 123 transitions. [2020-07-17 21:19:45,953 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 123 transitions. Word has length 52 [2020-07-17 21:19:45,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:45,953 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 123 transitions. [2020-07-17 21:19:45,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:19:45,954 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 123 transitions. [2020-07-17 21:19:45,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:19:45,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:45,957 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 21:19:45,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:19:45,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:45,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:45,958 INFO L82 PathProgramCache]: Analyzing trace with hash 881400109, now seen corresponding path program 1 times [2020-07-17 21:19:45,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:45,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751831820] [2020-07-17 21:19:45,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,304 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,403 INFO L280 TraceCheckUtils]: 0: Hoare triple {969#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {945#true} is VALID [2020-07-17 21:19:46,403 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,404 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {945#true} {945#true} #469#return; {945#true} is VALID [2020-07-17 21:19:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,409 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,410 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {945#true} {945#true} #385#return; {945#true} is VALID [2020-07-17 21:19:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,413 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,414 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {945#true} {945#true} #387#return; {945#true} is VALID [2020-07-17 21:19:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,418 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {945#true} is VALID [2020-07-17 21:19:46,418 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,418 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {945#true} {945#true} #389#return; {945#true} is VALID [2020-07-17 21:19:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,421 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,422 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {945#true} {945#true} #391#return; {945#true} is VALID [2020-07-17 21:19:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,426 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {945#true} is VALID [2020-07-17 21:19:46,426 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,427 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {945#true} {946#false} #461#return; {946#false} is VALID [2020-07-17 21:19:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,431 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {945#true} is VALID [2020-07-17 21:19:46,431 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,432 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {945#true} {946#false} #463#return; {946#false} is VALID [2020-07-17 21:19:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:46,435 INFO L280 TraceCheckUtils]: 0: Hoare triple {945#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {945#true} is VALID [2020-07-17 21:19:46,435 INFO L280 TraceCheckUtils]: 1: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,436 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {945#true} {946#false} #465#return; {946#false} is VALID [2020-07-17 21:19:46,440 INFO L263 TraceCheckUtils]: 0: Hoare triple {945#true} call ULTIMATE.init(); {969#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:19:46,441 INFO L280 TraceCheckUtils]: 1: Hoare triple {969#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {945#true} is VALID [2020-07-17 21:19:46,441 INFO L280 TraceCheckUtils]: 2: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,441 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {945#true} {945#true} #469#return; {945#true} is VALID [2020-07-17 21:19:46,442 INFO L263 TraceCheckUtils]: 4: Hoare triple {945#true} call #t~ret72 := main(); {945#true} is VALID [2020-07-17 21:19:46,442 INFO L280 TraceCheckUtils]: 5: Hoare triple {945#true} havoc ~retValue_acc~4;havoc ~tmp~2; {945#true} is VALID [2020-07-17 21:19:46,442 INFO L263 TraceCheckUtils]: 6: Hoare triple {945#true} call select_helpers(); {945#true} is VALID [2020-07-17 21:19:46,442 INFO L280 TraceCheckUtils]: 7: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,443 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {945#true} {945#true} #385#return; {945#true} is VALID [2020-07-17 21:19:46,443 INFO L263 TraceCheckUtils]: 9: Hoare triple {945#true} call select_features(); {945#true} is VALID [2020-07-17 21:19:46,443 INFO L280 TraceCheckUtils]: 10: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,443 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {945#true} {945#true} #387#return; {945#true} is VALID [2020-07-17 21:19:46,443 INFO L263 TraceCheckUtils]: 12: Hoare triple {945#true} call #t~ret23 := valid_product(); {945#true} is VALID [2020-07-17 21:19:46,444 INFO L280 TraceCheckUtils]: 13: Hoare triple {945#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {945#true} is VALID [2020-07-17 21:19:46,444 INFO L280 TraceCheckUtils]: 14: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,444 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {945#true} {945#true} #389#return; {945#true} is VALID [2020-07-17 21:19:46,444 INFO L280 TraceCheckUtils]: 16: Hoare triple {945#true} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~2 := #t~ret23;havoc #t~ret23; {945#true} is VALID [2020-07-17 21:19:46,445 INFO L280 TraceCheckUtils]: 17: Hoare triple {945#true} assume 0 != ~tmp~2; {945#true} is VALID [2020-07-17 21:19:46,445 INFO L263 TraceCheckUtils]: 18: Hoare triple {945#true} call setup(); {945#true} is VALID [2020-07-17 21:19:46,445 INFO L280 TraceCheckUtils]: 19: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,445 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {945#true} {945#true} #391#return; {945#true} is VALID [2020-07-17 21:19:46,446 INFO L263 TraceCheckUtils]: 21: Hoare triple {945#true} call runTest(); {945#true} is VALID [2020-07-17 21:19:46,446 INFO L263 TraceCheckUtils]: 22: Hoare triple {945#true} call test(); {945#true} is VALID [2020-07-17 21:19:46,446 INFO L280 TraceCheckUtils]: 23: Hoare triple {945#true} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {959#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:19:46,447 INFO L280 TraceCheckUtils]: 24: Hoare triple {959#(= 0 test_~splverifierCounter~0)} assume !false; {959#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:19:46,447 INFO L280 TraceCheckUtils]: 25: Hoare triple {959#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {946#false} is VALID [2020-07-17 21:19:46,448 INFO L263 TraceCheckUtils]: 26: Hoare triple {946#false} call cleanup(); {946#false} is VALID [2020-07-17 21:19:46,448 INFO L280 TraceCheckUtils]: 27: Hoare triple {946#false} havoc ~i~0;havoc ~__cil_tmp2~0; {946#false} is VALID [2020-07-17 21:19:46,448 INFO L263 TraceCheckUtils]: 28: Hoare triple {946#false} call timeShift(); {946#false} is VALID [2020-07-17 21:19:46,448 INFO L280 TraceCheckUtils]: 29: Hoare triple {946#false} assume !(0 != ~pumpRunning~0); {946#false} is VALID [2020-07-17 21:19:46,449 INFO L280 TraceCheckUtils]: 30: Hoare triple {946#false} assume !(0 != ~systemActive~0); {946#false} is VALID [2020-07-17 21:19:46,449 INFO L263 TraceCheckUtils]: 31: Hoare triple {946#false} call __utac_acc__Specification3_spec__1(); {946#false} is VALID [2020-07-17 21:19:46,449 INFO L280 TraceCheckUtils]: 32: Hoare triple {946#false} havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1; {946#false} is VALID [2020-07-17 21:19:46,450 INFO L263 TraceCheckUtils]: 33: Hoare triple {946#false} call #t~ret69 := isMethaneLevelCritical(); {945#true} is VALID [2020-07-17 21:19:46,450 INFO L280 TraceCheckUtils]: 34: Hoare triple {945#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {945#true} is VALID [2020-07-17 21:19:46,450 INFO L280 TraceCheckUtils]: 35: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,450 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {945#true} {946#false} #461#return; {946#false} is VALID [2020-07-17 21:19:46,451 INFO L280 TraceCheckUtils]: 37: Hoare triple {946#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~6 := #t~ret69;havoc #t~ret69; {946#false} is VALID [2020-07-17 21:19:46,451 INFO L280 TraceCheckUtils]: 38: Hoare triple {946#false} assume !(0 != ~tmp~6); {946#false} is VALID [2020-07-17 21:19:46,451 INFO L263 TraceCheckUtils]: 39: Hoare triple {946#false} call #t~ret70 := getWaterLevel(); {945#true} is VALID [2020-07-17 21:19:46,451 INFO L280 TraceCheckUtils]: 40: Hoare triple {945#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {945#true} is VALID [2020-07-17 21:19:46,452 INFO L280 TraceCheckUtils]: 41: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,452 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {945#true} {946#false} #463#return; {946#false} is VALID [2020-07-17 21:19:46,452 INFO L280 TraceCheckUtils]: 43: Hoare triple {946#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {946#false} is VALID [2020-07-17 21:19:46,452 INFO L280 TraceCheckUtils]: 44: Hoare triple {946#false} assume 2 == ~tmp___0~1; {946#false} is VALID [2020-07-17 21:19:46,453 INFO L263 TraceCheckUtils]: 45: Hoare triple {946#false} call #t~ret71 := isPumpRunning(); {945#true} is VALID [2020-07-17 21:19:46,453 INFO L280 TraceCheckUtils]: 46: Hoare triple {945#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {945#true} is VALID [2020-07-17 21:19:46,453 INFO L280 TraceCheckUtils]: 47: Hoare triple {945#true} assume true; {945#true} is VALID [2020-07-17 21:19:46,453 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {945#true} {946#false} #465#return; {946#false} is VALID [2020-07-17 21:19:46,454 INFO L280 TraceCheckUtils]: 49: Hoare triple {946#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {946#false} is VALID [2020-07-17 21:19:46,454 INFO L280 TraceCheckUtils]: 50: Hoare triple {946#false} assume !(0 != ~tmp___1~1); {946#false} is VALID [2020-07-17 21:19:46,454 INFO L263 TraceCheckUtils]: 51: Hoare triple {946#false} call __automaton_fail(); {946#false} is VALID [2020-07-17 21:19:46,454 INFO L280 TraceCheckUtils]: 52: Hoare triple {946#false} assume !false; {946#false} is VALID [2020-07-17 21:19:46,460 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 21:19:46,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751831820] [2020-07-17 21:19:46,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:46,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:19:46,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740124508] [2020-07-17 21:19:46,463 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:19:46,464 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:46,464 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:19:46,531 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 21:19:46,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:19:46,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:46,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:19:46,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:19:46,532 INFO L87 Difference]: Start difference. First operand 105 states and 123 transitions. Second operand 4 states. [2020-07-17 21:19:48,077 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:19:50,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:50,798 INFO L93 Difference]: Finished difference Result 182 states and 222 transitions. [2020-07-17 21:19:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:19:50,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:19:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:19:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:19:50,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 222 transitions. [2020-07-17 21:19:50,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:19:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 222 transitions. [2020-07-17 21:19:50,812 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 222 transitions. [2020-07-17 21:19:51,600 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 222 edges. 222 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:19:51,606 INFO L225 Difference]: With dead ends: 182 [2020-07-17 21:19:51,606 INFO L226 Difference]: Without dead ends: 119 [2020-07-17 21:19:51,608 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 21:19:51,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-17 21:19:52,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2020-07-17 21:19:52,718 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:19:52,718 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 96 states. [2020-07-17 21:19:52,718 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 96 states. [2020-07-17 21:19:52,718 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 96 states. [2020-07-17 21:19:52,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:52,726 INFO L93 Difference]: Finished difference Result 119 states and 147 transitions. [2020-07-17 21:19:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 147 transitions. [2020-07-17 21:19:52,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:52,731 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:52,732 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 119 states. [2020-07-17 21:19:52,732 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 119 states. [2020-07-17 21:19:52,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:19:52,739 INFO L93 Difference]: Finished difference Result 119 states and 147 transitions. [2020-07-17 21:19:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 147 transitions. [2020-07-17 21:19:52,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:19:52,741 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:19:52,741 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:19:52,741 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:19:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-17 21:19:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2020-07-17 21:19:52,746 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 53 [2020-07-17 21:19:52,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:19:52,747 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2020-07-17 21:19:52,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:19:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2020-07-17 21:19:52,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 21:19:52,749 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:19:52,749 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 21:19:52,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:19:52,750 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:19:52,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:19:52,750 INFO L82 PathProgramCache]: Analyzing trace with hash 633168041, now seen corresponding path program 1 times [2020-07-17 21:19:52,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:19:52,751 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145130947] [2020-07-17 21:19:52,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:19:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,126 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:19:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,208 INFO L280 TraceCheckUtils]: 0: Hoare triple {1639#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,209 INFO L280 TraceCheckUtils]: 1: Hoare triple {1617#(= 1 ~systemActive~0)} assume true; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,210 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1617#(= 1 ~systemActive~0)} {1612#true} #469#return; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,214 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,214 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1612#true} {1617#(= 1 ~systemActive~0)} #385#return; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,223 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,225 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1612#true} {1617#(= 1 ~systemActive~0)} #387#return; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,273 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:53,274 INFO L280 TraceCheckUtils]: 1: Hoare triple {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:53,275 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1617#(= 1 ~systemActive~0)} #389#return; {1625#(= |main_#t~ret23| ~systemActive~0)} is VALID [2020-07-17 21:19:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,279 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,279 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1612#true} {1627#(not (= 0 ~systemActive~0))} #391#return; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,283 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1612#true} is VALID [2020-07-17 21:19:53,283 INFO L280 TraceCheckUtils]: 1: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,283 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1612#true} {1613#false} #461#return; {1613#false} is VALID [2020-07-17 21:19:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,286 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1612#true} is VALID [2020-07-17 21:19:53,287 INFO L280 TraceCheckUtils]: 1: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,287 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1612#true} {1613#false} #463#return; {1613#false} is VALID [2020-07-17 21:19:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:19:53,290 INFO L280 TraceCheckUtils]: 0: Hoare triple {1612#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {1612#true} is VALID [2020-07-17 21:19:53,290 INFO L280 TraceCheckUtils]: 1: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,291 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1612#true} {1613#false} #465#return; {1613#false} is VALID [2020-07-17 21:19:53,295 INFO L263 TraceCheckUtils]: 0: Hoare triple {1612#true} call ULTIMATE.init(); {1639#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:19:53,301 INFO L280 TraceCheckUtils]: 1: Hoare triple {1639#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,302 INFO L280 TraceCheckUtils]: 2: Hoare triple {1617#(= 1 ~systemActive~0)} assume true; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,303 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1617#(= 1 ~systemActive~0)} {1612#true} #469#return; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,303 INFO L263 TraceCheckUtils]: 4: Hoare triple {1617#(= 1 ~systemActive~0)} call #t~ret72 := main(); {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,304 INFO L280 TraceCheckUtils]: 5: Hoare triple {1617#(= 1 ~systemActive~0)} havoc ~retValue_acc~4;havoc ~tmp~2; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,304 INFO L263 TraceCheckUtils]: 6: Hoare triple {1617#(= 1 ~systemActive~0)} call select_helpers(); {1612#true} is VALID [2020-07-17 21:19:53,305 INFO L280 TraceCheckUtils]: 7: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,305 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1612#true} {1617#(= 1 ~systemActive~0)} #385#return; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,306 INFO L263 TraceCheckUtils]: 9: Hoare triple {1617#(= 1 ~systemActive~0)} call select_features(); {1612#true} is VALID [2020-07-17 21:19:53,306 INFO L280 TraceCheckUtils]: 10: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,307 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1612#true} {1617#(= 1 ~systemActive~0)} #387#return; {1617#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:19:53,307 INFO L263 TraceCheckUtils]: 12: Hoare triple {1617#(= 1 ~systemActive~0)} call #t~ret23 := valid_product(); {1612#true} is VALID [2020-07-17 21:19:53,308 INFO L280 TraceCheckUtils]: 13: Hoare triple {1612#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:53,308 INFO L280 TraceCheckUtils]: 14: Hoare triple {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:19:53,309 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1640#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {1617#(= 1 ~systemActive~0)} #389#return; {1625#(= |main_#t~ret23| ~systemActive~0)} is VALID [2020-07-17 21:19:53,310 INFO L280 TraceCheckUtils]: 16: Hoare triple {1625#(= |main_#t~ret23| ~systemActive~0)} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~2 := #t~ret23;havoc #t~ret23; {1626#(= main_~tmp~2 ~systemActive~0)} is VALID [2020-07-17 21:19:53,311 INFO L280 TraceCheckUtils]: 17: Hoare triple {1626#(= main_~tmp~2 ~systemActive~0)} assume 0 != ~tmp~2; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,311 INFO L263 TraceCheckUtils]: 18: Hoare triple {1627#(not (= 0 ~systemActive~0))} call setup(); {1612#true} is VALID [2020-07-17 21:19:53,311 INFO L280 TraceCheckUtils]: 19: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,312 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1612#true} {1627#(not (= 0 ~systemActive~0))} #391#return; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,312 INFO L263 TraceCheckUtils]: 21: Hoare triple {1627#(not (= 0 ~systemActive~0))} call runTest(); {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,313 INFO L263 TraceCheckUtils]: 22: Hoare triple {1627#(not (= 0 ~systemActive~0))} call test(); {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,313 INFO L280 TraceCheckUtils]: 23: Hoare triple {1627#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,316 INFO L280 TraceCheckUtils]: 24: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume !false; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,317 INFO L280 TraceCheckUtils]: 25: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,318 INFO L280 TraceCheckUtils]: 26: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp~1 := #t~nondet19;havoc #t~nondet19; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,318 INFO L280 TraceCheckUtils]: 27: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~1); {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,319 INFO L280 TraceCheckUtils]: 28: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~tmp___0~0 := #t~nondet20;havoc #t~nondet20; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,319 INFO L280 TraceCheckUtils]: 29: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~0); {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,320 INFO L280 TraceCheckUtils]: 30: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~tmp___2~0 := #t~nondet21;havoc #t~nondet21; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,320 INFO L280 TraceCheckUtils]: 31: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume 0 != ~tmp___2~0; {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,321 INFO L263 TraceCheckUtils]: 32: Hoare triple {1627#(not (= 0 ~systemActive~0))} call timeShift(); {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,322 INFO L280 TraceCheckUtils]: 33: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {1627#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:19:53,322 INFO L280 TraceCheckUtils]: 34: Hoare triple {1627#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {1613#false} is VALID [2020-07-17 21:19:53,322 INFO L263 TraceCheckUtils]: 35: Hoare triple {1613#false} call __utac_acc__Specification3_spec__1(); {1613#false} is VALID [2020-07-17 21:19:53,323 INFO L280 TraceCheckUtils]: 36: Hoare triple {1613#false} havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1; {1613#false} is VALID [2020-07-17 21:19:53,323 INFO L263 TraceCheckUtils]: 37: Hoare triple {1613#false} call #t~ret69 := isMethaneLevelCritical(); {1612#true} is VALID [2020-07-17 21:19:53,323 INFO L280 TraceCheckUtils]: 38: Hoare triple {1612#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {1612#true} is VALID [2020-07-17 21:19:53,323 INFO L280 TraceCheckUtils]: 39: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,324 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {1612#true} {1613#false} #461#return; {1613#false} is VALID [2020-07-17 21:19:53,324 INFO L280 TraceCheckUtils]: 41: Hoare triple {1613#false} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~6 := #t~ret69;havoc #t~ret69; {1613#false} is VALID [2020-07-17 21:19:53,324 INFO L280 TraceCheckUtils]: 42: Hoare triple {1613#false} assume !(0 != ~tmp~6); {1613#false} is VALID [2020-07-17 21:19:53,325 INFO L263 TraceCheckUtils]: 43: Hoare triple {1613#false} call #t~ret70 := getWaterLevel(); {1612#true} is VALID [2020-07-17 21:19:53,325 INFO L280 TraceCheckUtils]: 44: Hoare triple {1612#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {1612#true} is VALID [2020-07-17 21:19:53,326 INFO L280 TraceCheckUtils]: 45: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,326 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {1612#true} {1613#false} #463#return; {1613#false} is VALID [2020-07-17 21:19:53,326 INFO L280 TraceCheckUtils]: 47: Hoare triple {1613#false} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {1613#false} is VALID [2020-07-17 21:19:53,326 INFO L280 TraceCheckUtils]: 48: Hoare triple {1613#false} assume 2 == ~tmp___0~1; {1613#false} is VALID [2020-07-17 21:19:53,326 INFO L263 TraceCheckUtils]: 49: Hoare triple {1613#false} call #t~ret71 := isPumpRunning(); {1612#true} is VALID [2020-07-17 21:19:53,327 INFO L280 TraceCheckUtils]: 50: Hoare triple {1612#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {1612#true} is VALID [2020-07-17 21:19:53,327 INFO L280 TraceCheckUtils]: 51: Hoare triple {1612#true} assume true; {1612#true} is VALID [2020-07-17 21:19:53,327 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {1612#true} {1613#false} #465#return; {1613#false} is VALID [2020-07-17 21:19:53,327 INFO L280 TraceCheckUtils]: 53: Hoare triple {1613#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {1613#false} is VALID [2020-07-17 21:19:53,327 INFO L280 TraceCheckUtils]: 54: Hoare triple {1613#false} assume !(0 != ~tmp___1~1); {1613#false} is VALID [2020-07-17 21:19:53,327 INFO L263 TraceCheckUtils]: 55: Hoare triple {1613#false} call __automaton_fail(); {1613#false} is VALID [2020-07-17 21:19:53,328 INFO L280 TraceCheckUtils]: 56: Hoare triple {1613#false} assume !false; {1613#false} is VALID [2020-07-17 21:19:53,336 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 21:19:53,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145130947] [2020-07-17 21:19:53,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:19:53,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:19:53,337 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382541999] [2020-07-17 21:19:53,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:19:53,338 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:19:53,338 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:19:53,420 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 21:19:53,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:19:53,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:19:53,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:19:53,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:19:53,421 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand 8 states. [2020-07-17 21:19:54,311 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:19:55,215 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:19:55,618 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:19:55,948 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:01,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:01,548 INFO L93 Difference]: Finished difference Result 191 states and 236 transitions. [2020-07-17 21:20:01,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 21:20:01,548 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-17 21:20:01,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:01,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 236 transitions. [2020-07-17 21:20:01,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:01,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 236 transitions. [2020-07-17 21:20:01,560 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states and 236 transitions. [2020-07-17 21:20:02,354 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 236 edges. 236 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:02,359 INFO L225 Difference]: With dead ends: 191 [2020-07-17 21:20:02,359 INFO L226 Difference]: Without dead ends: 119 [2020-07-17 21:20:02,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 21:20:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-17 21:20:03,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 96. [2020-07-17 21:20:03,481 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:03,481 INFO L82 GeneralOperation]: Start isEquivalent. First operand 119 states. Second operand 96 states. [2020-07-17 21:20:03,482 INFO L74 IsIncluded]: Start isIncluded. First operand 119 states. Second operand 96 states. [2020-07-17 21:20:03,482 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 96 states. [2020-07-17 21:20:03,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:03,488 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2020-07-17 21:20:03,488 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2020-07-17 21:20:03,489 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:03,489 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:03,489 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 119 states. [2020-07-17 21:20:03,490 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 119 states. [2020-07-17 21:20:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:03,495 INFO L93 Difference]: Finished difference Result 119 states and 145 transitions. [2020-07-17 21:20:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 145 transitions. [2020-07-17 21:20:03,497 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:03,497 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:03,497 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:03,497 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:03,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-07-17 21:20:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2020-07-17 21:20:03,501 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 57 [2020-07-17 21:20:03,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:03,502 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2020-07-17 21:20:03,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:20:03,502 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2020-07-17 21:20:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-17 21:20:03,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:03,504 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] [2020-07-17 21:20:03,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:20:03,504 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:03,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:03,505 INFO L82 PathProgramCache]: Analyzing trace with hash 119188522, now seen corresponding path program 1 times [2020-07-17 21:20:03,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:03,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738110652] [2020-07-17 21:20:03,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,842 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:20:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,939 INFO L280 TraceCheckUtils]: 0: Hoare triple {2333#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,940 INFO L280 TraceCheckUtils]: 1: Hoare triple {2305#(= 1 ~waterLevel~0)} assume true; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,940 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2305#(= 1 ~waterLevel~0)} {2300#true} #469#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,946 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,947 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #385#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,950 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,951 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #387#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,960 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2300#true} is VALID [2020-07-17 21:20:03,961 INFO L280 TraceCheckUtils]: 1: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,961 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #389#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,965 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,966 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #391#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,986 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,987 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2300#true} {2300#true} #431#return; {2300#true} is VALID [2020-07-17 21:20:03,987 INFO L280 TraceCheckUtils]: 0: Hoare triple {2334#(= ~pumpRunning~0 |old(~pumpRunning~0)|)} havoc ~tmp~0; {2300#true} is VALID [2020-07-17 21:20:03,988 INFO L280 TraceCheckUtils]: 1: Hoare triple {2300#true} assume !(0 != ~pumpRunning~0); {2300#true} is VALID [2020-07-17 21:20:03,988 INFO L263 TraceCheckUtils]: 2: Hoare triple {2300#true} call processEnvironment__wrappee__base(); {2300#true} is VALID [2020-07-17 21:20:03,988 INFO L280 TraceCheckUtils]: 3: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,988 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {2300#true} {2300#true} #431#return; {2300#true} is VALID [2020-07-17 21:20:03,989 INFO L280 TraceCheckUtils]: 5: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,989 INFO L275 TraceCheckUtils]: 6: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #443#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:03,994 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2300#true} is VALID [2020-07-17 21:20:03,994 INFO L280 TraceCheckUtils]: 1: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:03,996 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #461#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:03,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:04,012 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2337#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:04,012 INFO L280 TraceCheckUtils]: 1: Hoare triple {2337#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2337#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:04,013 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2337#(= |getWaterLevel_#res| ~waterLevel~0)} {2305#(= 1 ~waterLevel~0)} #463#return; {2328#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} is VALID [2020-07-17 21:20:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:20:04,016 INFO L280 TraceCheckUtils]: 0: Hoare triple {2300#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {2300#true} is VALID [2020-07-17 21:20:04,017 INFO L280 TraceCheckUtils]: 1: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,017 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2300#true} {2301#false} #465#return; {2301#false} is VALID [2020-07-17 21:20:04,022 INFO L263 TraceCheckUtils]: 0: Hoare triple {2300#true} call ULTIMATE.init(); {2333#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} is VALID [2020-07-17 21:20:04,028 INFO L280 TraceCheckUtils]: 1: Hoare triple {2333#(and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string51.base| |old(#t~string51.base)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,030 INFO L280 TraceCheckUtils]: 2: Hoare triple {2305#(= 1 ~waterLevel~0)} assume true; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,033 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2305#(= 1 ~waterLevel~0)} {2300#true} #469#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,034 INFO L263 TraceCheckUtils]: 4: Hoare triple {2305#(= 1 ~waterLevel~0)} call #t~ret72 := main(); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,035 INFO L280 TraceCheckUtils]: 5: Hoare triple {2305#(= 1 ~waterLevel~0)} havoc ~retValue_acc~4;havoc ~tmp~2; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,035 INFO L263 TraceCheckUtils]: 6: Hoare triple {2305#(= 1 ~waterLevel~0)} call select_helpers(); {2300#true} is VALID [2020-07-17 21:20:04,035 INFO L280 TraceCheckUtils]: 7: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,036 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #385#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,036 INFO L263 TraceCheckUtils]: 9: Hoare triple {2305#(= 1 ~waterLevel~0)} call select_features(); {2300#true} is VALID [2020-07-17 21:20:04,036 INFO L280 TraceCheckUtils]: 10: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,037 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #387#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,037 INFO L263 TraceCheckUtils]: 12: Hoare triple {2305#(= 1 ~waterLevel~0)} call #t~ret23 := valid_product(); {2300#true} is VALID [2020-07-17 21:20:04,037 INFO L280 TraceCheckUtils]: 13: Hoare triple {2300#true} havoc ~retValue_acc~1;~retValue_acc~1 := 1;#res := ~retValue_acc~1; {2300#true} is VALID [2020-07-17 21:20:04,038 INFO L280 TraceCheckUtils]: 14: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,038 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #389#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,039 INFO L280 TraceCheckUtils]: 16: Hoare triple {2305#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret23 && #t~ret23 <= 2147483647;~tmp~2 := #t~ret23;havoc #t~ret23; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,040 INFO L280 TraceCheckUtils]: 17: Hoare triple {2305#(= 1 ~waterLevel~0)} assume 0 != ~tmp~2; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,040 INFO L263 TraceCheckUtils]: 18: Hoare triple {2305#(= 1 ~waterLevel~0)} call setup(); {2300#true} is VALID [2020-07-17 21:20:04,040 INFO L280 TraceCheckUtils]: 19: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,041 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #391#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,041 INFO L263 TraceCheckUtils]: 21: Hoare triple {2305#(= 1 ~waterLevel~0)} call runTest(); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,042 INFO L263 TraceCheckUtils]: 22: Hoare triple {2305#(= 1 ~waterLevel~0)} call test(); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,043 INFO L280 TraceCheckUtils]: 23: Hoare triple {2305#(= 1 ~waterLevel~0)} havoc ~splverifierCounter~0;havoc ~tmp~1;havoc ~tmp___0~0;havoc ~tmp___1~0;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,043 INFO L280 TraceCheckUtils]: 24: Hoare triple {2305#(= 1 ~waterLevel~0)} assume !false; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,044 INFO L280 TraceCheckUtils]: 25: Hoare triple {2305#(= 1 ~waterLevel~0)} assume ~splverifierCounter~0 < 4; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,044 INFO L280 TraceCheckUtils]: 26: Hoare triple {2305#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet19 && #t~nondet19 <= 2147483647;~tmp~1 := #t~nondet19;havoc #t~nondet19; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,045 INFO L280 TraceCheckUtils]: 27: Hoare triple {2305#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~1); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,045 INFO L280 TraceCheckUtils]: 28: Hoare triple {2305#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet20 && #t~nondet20 <= 2147483647;~tmp___0~0 := #t~nondet20;havoc #t~nondet20; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,046 INFO L280 TraceCheckUtils]: 29: Hoare triple {2305#(= 1 ~waterLevel~0)} assume !(0 != ~tmp___0~0); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,046 INFO L280 TraceCheckUtils]: 30: Hoare triple {2305#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~nondet21 && #t~nondet21 <= 2147483647;~tmp___2~0 := #t~nondet21;havoc #t~nondet21; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,047 INFO L280 TraceCheckUtils]: 31: Hoare triple {2305#(= 1 ~waterLevel~0)} assume 0 != ~tmp___2~0; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,048 INFO L263 TraceCheckUtils]: 32: Hoare triple {2305#(= 1 ~waterLevel~0)} call timeShift(); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,048 INFO L280 TraceCheckUtils]: 33: Hoare triple {2305#(= 1 ~waterLevel~0)} assume !(0 != ~pumpRunning~0); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,049 INFO L280 TraceCheckUtils]: 34: Hoare triple {2305#(= 1 ~waterLevel~0)} assume 0 != ~systemActive~0; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,050 INFO L263 TraceCheckUtils]: 35: Hoare triple {2305#(= 1 ~waterLevel~0)} call processEnvironment(); {2334#(= ~pumpRunning~0 |old(~pumpRunning~0)|)} is VALID [2020-07-17 21:20:04,050 INFO L280 TraceCheckUtils]: 36: Hoare triple {2334#(= ~pumpRunning~0 |old(~pumpRunning~0)|)} havoc ~tmp~0; {2300#true} is VALID [2020-07-17 21:20:04,050 INFO L280 TraceCheckUtils]: 37: Hoare triple {2300#true} assume !(0 != ~pumpRunning~0); {2300#true} is VALID [2020-07-17 21:20:04,050 INFO L263 TraceCheckUtils]: 38: Hoare triple {2300#true} call processEnvironment__wrappee__base(); {2300#true} is VALID [2020-07-17 21:20:04,050 INFO L280 TraceCheckUtils]: 39: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,051 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {2300#true} {2300#true} #431#return; {2300#true} is VALID [2020-07-17 21:20:04,051 INFO L280 TraceCheckUtils]: 41: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,052 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #443#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,052 INFO L263 TraceCheckUtils]: 43: Hoare triple {2305#(= 1 ~waterLevel~0)} call __utac_acc__Specification3_spec__1(); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,053 INFO L280 TraceCheckUtils]: 44: Hoare triple {2305#(= 1 ~waterLevel~0)} havoc ~tmp~6;havoc ~tmp___0~1;havoc ~tmp___1~1; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,053 INFO L263 TraceCheckUtils]: 45: Hoare triple {2305#(= 1 ~waterLevel~0)} call #t~ret69 := isMethaneLevelCritical(); {2300#true} is VALID [2020-07-17 21:20:04,053 INFO L280 TraceCheckUtils]: 46: Hoare triple {2300#true} havoc ~retValue_acc~8;~retValue_acc~8 := ~methaneLevelCritical~0;#res := ~retValue_acc~8; {2300#true} is VALID [2020-07-17 21:20:04,054 INFO L280 TraceCheckUtils]: 47: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,054 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {2300#true} {2305#(= 1 ~waterLevel~0)} #461#return; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,055 INFO L280 TraceCheckUtils]: 49: Hoare triple {2305#(= 1 ~waterLevel~0)} assume -2147483648 <= #t~ret69 && #t~ret69 <= 2147483647;~tmp~6 := #t~ret69;havoc #t~ret69; {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,055 INFO L280 TraceCheckUtils]: 50: Hoare triple {2305#(= 1 ~waterLevel~0)} assume !(0 != ~tmp~6); {2305#(= 1 ~waterLevel~0)} is VALID [2020-07-17 21:20:04,055 INFO L263 TraceCheckUtils]: 51: Hoare triple {2305#(= 1 ~waterLevel~0)} call #t~ret70 := getWaterLevel(); {2300#true} is VALID [2020-07-17 21:20:04,057 INFO L280 TraceCheckUtils]: 52: Hoare triple {2300#true} havoc ~retValue_acc~9;~retValue_acc~9 := ~waterLevel~0;#res := ~retValue_acc~9; {2337#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:04,057 INFO L280 TraceCheckUtils]: 53: Hoare triple {2337#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {2337#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:20:04,058 INFO L275 TraceCheckUtils]: 54: Hoare quadruple {2337#(= |getWaterLevel_#res| ~waterLevel~0)} {2305#(= 1 ~waterLevel~0)} #463#return; {2328#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} is VALID [2020-07-17 21:20:04,058 INFO L280 TraceCheckUtils]: 55: Hoare triple {2328#(= 1 |__utac_acc__Specification3_spec__1_#t~ret70|)} assume -2147483648 <= #t~ret70 && #t~ret70 <= 2147483647;~tmp___0~1 := #t~ret70;havoc #t~ret70; {2329#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} is VALID [2020-07-17 21:20:04,059 INFO L280 TraceCheckUtils]: 56: Hoare triple {2329#(= 1 __utac_acc__Specification3_spec__1_~tmp___0~1)} assume 2 == ~tmp___0~1; {2301#false} is VALID [2020-07-17 21:20:04,059 INFO L263 TraceCheckUtils]: 57: Hoare triple {2301#false} call #t~ret71 := isPumpRunning(); {2300#true} is VALID [2020-07-17 21:20:04,059 INFO L280 TraceCheckUtils]: 58: Hoare triple {2300#true} havoc ~retValue_acc~3;~retValue_acc~3 := ~pumpRunning~0;#res := ~retValue_acc~3; {2300#true} is VALID [2020-07-17 21:20:04,059 INFO L280 TraceCheckUtils]: 59: Hoare triple {2300#true} assume true; {2300#true} is VALID [2020-07-17 21:20:04,060 INFO L275 TraceCheckUtils]: 60: Hoare quadruple {2300#true} {2301#false} #465#return; {2301#false} is VALID [2020-07-17 21:20:04,060 INFO L280 TraceCheckUtils]: 61: Hoare triple {2301#false} assume -2147483648 <= #t~ret71 && #t~ret71 <= 2147483647;~tmp___1~1 := #t~ret71;havoc #t~ret71; {2301#false} is VALID [2020-07-17 21:20:04,060 INFO L280 TraceCheckUtils]: 62: Hoare triple {2301#false} assume !(0 != ~tmp___1~1); {2301#false} is VALID [2020-07-17 21:20:04,060 INFO L263 TraceCheckUtils]: 63: Hoare triple {2301#false} call __automaton_fail(); {2301#false} is VALID [2020-07-17 21:20:04,061 INFO L280 TraceCheckUtils]: 64: Hoare triple {2301#false} assume !false; {2301#false} is VALID [2020-07-17 21:20:04,072 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 21:20:04,072 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738110652] [2020-07-17 21:20:04,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:20:04,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:20:04,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053166609] [2020-07-17 21:20:04,074 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-07-17 21:20:04,074 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:20:04,074 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:20:04,146 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:04,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:20:04,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:20:04,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:20:04,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:20:04,147 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 8 states. [2020-07-17 21:20:05,107 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:12,009 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:12,743 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:13,068 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:20:14,112 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:20:15,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:15,584 INFO L93 Difference]: Finished difference Result 284 states and 375 transitions. [2020-07-17 21:20:15,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 21:20:15,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-07-17 21:20:15,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:20:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:15,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 375 transitions. [2020-07-17 21:20:15,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:20:15,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 375 transitions. [2020-07-17 21:20:15,602 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 375 transitions. [2020-07-17 21:20:16,859 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 375 edges. 375 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:20:16,868 INFO L225 Difference]: With dead ends: 284 [2020-07-17 21:20:16,868 INFO L226 Difference]: Without dead ends: 212 [2020-07-17 21:20:16,869 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-07-17 21:20:16,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-17 21:20:18,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 166. [2020-07-17 21:20:18,632 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:20:18,632 INFO L82 GeneralOperation]: Start isEquivalent. First operand 212 states. Second operand 166 states. [2020-07-17 21:20:18,632 INFO L74 IsIncluded]: Start isIncluded. First operand 212 states. Second operand 166 states. [2020-07-17 21:20:18,633 INFO L87 Difference]: Start difference. First operand 212 states. Second operand 166 states. [2020-07-17 21:20:18,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:18,645 INFO L93 Difference]: Finished difference Result 212 states and 277 transitions. [2020-07-17 21:20:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 277 transitions. [2020-07-17 21:20:18,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:18,646 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:18,646 INFO L74 IsIncluded]: Start isIncluded. First operand 166 states. Second operand 212 states. [2020-07-17 21:20:18,647 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 212 states. [2020-07-17 21:20:18,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:20:18,658 INFO L93 Difference]: Finished difference Result 212 states and 277 transitions. [2020-07-17 21:20:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 277 transitions. [2020-07-17 21:20:18,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:20:18,660 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:20:18,660 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:20:18,660 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:20:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-07-17 21:20:18,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 197 transitions. [2020-07-17 21:20:18,667 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 197 transitions. Word has length 65 [2020-07-17 21:20:18,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:20:18,668 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 197 transitions. [2020-07-17 21:20:18,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:20:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 197 transitions. [2020-07-17 21:20:18,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-17 21:20:18,669 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:20:18,670 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, 1, 1] [2020-07-17 21:20:18,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:20:18,670 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:20:18,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:20:18,670 INFO L82 PathProgramCache]: Analyzing trace with hash -760855184, now seen corresponding path program 1 times [2020-07-17 21:20:18,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:20:18,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563597730] [2020-07-17 21:20:18,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:20:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:20:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:20:18,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:20:18,849 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:20:18,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:20:19,012 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:20:19,012 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:20:19,012 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:20:19,012 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:20:19,012 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:20:19,012 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:20:19,013 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:20:19,014 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:20:19,015 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:20:19,016 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L470-2 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L527-2 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L375 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L375 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L333 has no Hoare annotation [2020-07-17 21:20:19,017 WARN L170 areAnnotationChecker]: L333 has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: L199 has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: L726 has no Hoare annotation [2020-07-17 21:20:19,018 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L177 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L135 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L285 has no Hoare annotation [2020-07-17 21:20:19,019 WARN L170 areAnnotationChecker]: L680 has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: L680 has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: L587 has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: L815 has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: L815 has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:20:19,020 WARN L170 areAnnotationChecker]: L790-1 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L105 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L103 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:20:19,021 WARN L170 areAnnotationChecker]: L847 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L766-1 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L778-1 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L492 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L471 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L553 has no Hoare annotation [2020-07-17 21:20:19,022 WARN L170 areAnnotationChecker]: L528 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L375-1 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L375-1 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L334 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L334 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L199-2 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L376 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: L376 has no Hoare annotation [2020-07-17 21:20:19,023 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L732 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L726-1 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L177-1 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L137 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-17 21:20:19,024 WARN L170 areAnnotationChecker]: L150 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L150-1 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L288 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L686 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: L680-1 has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:20:19,025 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: L592 has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: L815-2 has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: L112 has no Hoare annotation [2020-07-17 21:20:19,026 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: L304-1 has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: L847-1 has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: L381-1 has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: L381-1 has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:20:19,027 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L476 has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L476 has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L533 has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L377 has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L335 has no Hoare annotation [2020-07-17 21:20:19,028 WARN L170 areAnnotationChecker]: L335 has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: L857-1 has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: L211 has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: L379-1 has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: L137-1 has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:20:19,029 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L244 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L609 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L609 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L546-1 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L262-1 has no Hoare annotation [2020-07-17 21:20:19,030 WARN L170 areAnnotationChecker]: L853-1 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L308-2 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L339 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L252-1 has no Hoare annotation [2020-07-17 21:20:19,031 WARN L170 areAnnotationChecker]: L855-1 has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: L476-1 has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: L533-1 has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-17 21:20:19,032 WARN L170 areAnnotationChecker]: L336 has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: L859 has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: L211-2 has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: L139 has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:20:19,033 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L252 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L612-2 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L612-2 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L612-2 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L651 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-17 21:20:19,034 WARN L170 areAnnotationChecker]: L344 has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: L272 has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: L855 has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,035 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: L323 has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: L309 has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: L853 has no Hoare annotation [2020-07-17 21:20:19,036 WARN L170 areAnnotationChecker]: L340 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L340 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L262 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L628-1 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L644-1 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L546 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L381 has no Hoare annotation [2020-07-17 21:20:19,037 WARN L170 areAnnotationChecker]: L381 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L337 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L863 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 21:20:19,038 WARN L170 areAnnotationChecker]: L141 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L145 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L254 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L254 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L633 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L613 has no Hoare annotation [2020-07-17 21:20:19,039 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L652 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L222-1 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L345 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L278 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-17 21:20:19,040 WARN L170 areAnnotationChecker]: L857 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L341 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L341 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L319 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L312 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L264 has no Hoare annotation [2020-07-17 21:20:19,041 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L644 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L644 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L614 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L346 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: L342 has no Hoare annotation [2020-07-17 21:20:19,042 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: L312-1 has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: L312-1 has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: L628 has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,043 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,044 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:20:19,044 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 21:20:19,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:20:19 BoogieIcfgContainer [2020-07-17 21:20:19,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:20:19,049 INFO L168 Benchmark]: Toolchain (without parser) took 43148.55 ms. Allocated memory was 137.9 MB in the beginning and 671.6 MB in the end (delta: 533.7 MB). Free memory was 98.3 MB in the beginning and 125.4 MB in the end (delta: -27.1 MB). Peak memory consumption was 506.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:19,050 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 21:20:19,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.14 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 97.9 MB in the beginning and 165.0 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:19,051 INFO L168 Benchmark]: Boogie Preprocessor took 107.48 ms. Allocated memory is still 199.8 MB. Free memory was 165.0 MB in the beginning and 159.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:19,052 INFO L168 Benchmark]: RCFGBuilder took 1703.78 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 159.5 MB in the beginning and 95.4 MB in the end (delta: 64.0 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:19,052 INFO L168 Benchmark]: TraceAbstraction took 40667.93 ms. Allocated memory was 228.1 MB in the beginning and 671.6 MB in the end (delta: 443.5 MB). Free memory was 94.0 MB in the beginning and 125.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 412.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:20:19,055 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 137.9 MB. Free memory was 117.9 MB in the beginning and 117.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 663.14 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 97.9 MB in the beginning and 165.0 MB in the end (delta: -67.1 MB). Peak memory consumption was 23.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.48 ms. Allocated memory is still 199.8 MB. Free memory was 165.0 MB in the beginning and 159.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1703.78 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 159.5 MB in the beginning and 95.4 MB in the end (delta: 64.0 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 40667.93 ms. Allocated memory was 228.1 MB in the beginning and 671.6 MB in the end (delta: 443.5 MB). Free memory was 94.0 MB in the beginning and 125.4 MB in the end (delta: -31.4 MB). Peak memory consumption was 412.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 82]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=174, \old(head)=176, \old(head)=166, \old(methaneLevelCritical)=145, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L370] int retValue_acc ; [L371] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L375] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L376] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L377] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L377] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L381] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L382] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L364] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L242] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L244] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L250] tmp = __VERIFIER_nondet_int() [L252] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L254] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE waterLevel < 2 [L779] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L254] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=-1, waterLevel=2] [L285] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L103] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L110] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L132] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L135] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L150] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L112] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L118] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L847] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L853] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L853] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L853] tmp___0 = getWaterLevel() [L855] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int retValue_acc ; [L187] retValue_acc = pumpRunning [L188] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L857] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L857] tmp___1 = isPumpRunning() [L859] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L863] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L82] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 31.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 367 SDtfs, 471 SDslu, 218 SDs, 0 SdLazy, 1192 SolverSat, 279 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=166occurred 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: 5.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 122 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 62362 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...