java -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_spec4_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:10:38,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:10:38,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:10:39,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:10:39,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:10:39,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:10:39,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:10:39,013 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:10:39,015 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:10:39,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:10:39,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:10:39,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:10:39,018 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:10:39,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:10:39,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:10:39,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:10:39,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:10:39,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:10:39,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:10:39,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:10:39,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:10:39,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:10:39,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:10:39,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:10:39,036 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:10:39,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:10:39,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:10:39,038 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:10:39,038 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:10:39,039 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:10:39,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:10:39,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:10:39,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:10:39,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:10:39,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:10:39,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:10:39,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:10:39,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:10:39,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:10:39,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:10:39,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:10:39,048 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 [2019-09-08 06:10:39,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:10:39,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:10:39,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:10:39,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:10:39,076 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:10:39,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:10:39,076 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:10:39,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:10:39,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:10:39,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:10:39,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:10:39,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:10:39,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:10:39,079 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:10:39,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:10:39,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:10:39,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:10:39,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:10:39,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:10:39,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:10:39,081 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:10:39,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:10:39,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:10:39,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:10:39,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:10:39,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:10:39,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:10:39,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:10:39,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:10:39,115 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:10:39,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:10:39,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:10:39,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:10:39,132 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:10:39,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2019-09-08 06:10:39,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4c1a531/b5ac7dec952b489d83ab7b84d4fb2c4f/FLAG7feb40e7c [2019-09-08 06:10:39,703 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:10:39,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product47.cil.c [2019-09-08 06:10:39,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4c1a531/b5ac7dec952b489d83ab7b84d4fb2c4f/FLAG7feb40e7c [2019-09-08 06:10:39,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a4c1a531/b5ac7dec952b489d83ab7b84d4fb2c4f [2019-09-08 06:10:39,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:10:39,969 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:10:39,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:39,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:10:39,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:10:39,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:39" (1/1) ... [2019-09-08 06:10:39,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6493fb27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:39, skipping insertion in model container [2019-09-08 06:10:39,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:10:39" (1/1) ... [2019-09-08 06:10:39,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:10:40,056 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:10:40,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:40,558 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:10:40,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:10:40,680 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:10:40,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40 WrapperNode [2019-09-08 06:10:40,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:10:40,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:10:40,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:10:40,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:10:40,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (1/1) ... [2019-09-08 06:10:40,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:10:40,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:10:40,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:10:40,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:10:40,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (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 [2019-09-08 06:10:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:10:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:10:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:40,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:10:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:10:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:10:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:10:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:10:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:10:40,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:10:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:10:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:10:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:10:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-08 06:10:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:10:40,856 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:10:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:10:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:10:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:10:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:10:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:10:40,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:10:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:10:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:10:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:10:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:10:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:10:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:10:40,859 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:10:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:10:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:10:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:10:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:10:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:10:40,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:10:40,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:10:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:10:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:10:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:10:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:10:40,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:10:40,862 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:10:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:10:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:10:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:10:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:10:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:10:40,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:10:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:10:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:10:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:10:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:10:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:10:40,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:10:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-08 06:10:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:10:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:10:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:10:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-08 06:10:40,865 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:10:40,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:10:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:10:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:10:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:10:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:10:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:10:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:10:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:10:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:10:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:10:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:10:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:10:41,847 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:10:41,847 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:10:41,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:41 BoogieIcfgContainer [2019-09-08 06:10:41,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:10:41,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:10:41,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:10:41,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:10:41,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:10:39" (1/3) ... [2019-09-08 06:10:41,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13986925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:41, skipping insertion in model container [2019-09-08 06:10:41,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:10:40" (2/3) ... [2019-09-08 06:10:41,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13986925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:10:41, skipping insertion in model container [2019-09-08 06:10:41,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:10:41" (3/3) ... [2019-09-08 06:10:41,857 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47.cil.c [2019-09-08 06:10:41,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:10:41,875 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:10:41,901 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:10:41,933 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:10:41,934 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:10:41,934 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:10:41,934 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:10:41,935 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:10:41,935 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:10:41,935 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:10:41,935 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:10:41,936 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:10:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2019-09-08 06:10:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:10:41,968 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:41,969 INFO L399 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] [2019-09-08 06:10:41,972 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:41,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:41,978 INFO L82 PathProgramCache]: Analyzing trace with hash -2007114508, now seen corresponding path program 1 times [2019-09-08 06:10:41,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:41,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:42,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:42,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:42,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:42,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:42,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:42,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:42,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:10:42,396 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:10:42,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:10:42,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:10:42,416 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2019-09-08 06:10:42,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:42,490 INFO L93 Difference]: Finished difference Result 278 states and 345 transitions. [2019-09-08 06:10:42,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:10:42,491 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:10:42,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:42,505 INFO L225 Difference]: With dead ends: 278 [2019-09-08 06:10:42,505 INFO L226 Difference]: Without dead ends: 139 [2019-09-08 06:10:42,510 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:10:42,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-09-08 06:10:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-09-08 06:10:42,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-09-08 06:10:42,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2019-09-08 06:10:42,566 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 46 [2019-09-08 06:10:42,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:42,567 INFO L475 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2019-09-08 06:10:42,567 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:10:42,567 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2019-09-08 06:10:42,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:10:42,571 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:42,571 INFO L399 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] [2019-09-08 06:10:42,572 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:42,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:42,575 INFO L82 PathProgramCache]: Analyzing trace with hash 622418136, now seen corresponding path program 1 times [2019-09-08 06:10:42,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:42,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:42,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:42,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:42,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:42,723 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:42,723 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:10:42,726 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:10:42,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:10:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:10:42,727 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2019-09-08 06:10:42,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:42,774 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2019-09-08 06:10:42,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:10:42,776 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:10:42,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:42,779 INFO L225 Difference]: With dead ends: 221 [2019-09-08 06:10:42,780 INFO L226 Difference]: Without dead ends: 130 [2019-09-08 06:10:42,782 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:10:42,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-09-08 06:10:42,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-09-08 06:10:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-09-08 06:10:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2019-09-08 06:10:42,811 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 47 [2019-09-08 06:10:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:42,811 INFO L475 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2019-09-08 06:10:42,811 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:10:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2019-09-08 06:10:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:10:42,820 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:42,821 INFO L399 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] [2019-09-08 06:10:42,821 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:42,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:42,823 INFO L82 PathProgramCache]: Analyzing trace with hash -943300313, now seen corresponding path program 1 times [2019-09-08 06:10:42,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:42,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:42,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:42,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:42,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:42,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:42,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:10:42,989 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:10:42,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:10:42,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:42,990 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2019-09-08 06:10:43,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:43,471 INFO L93 Difference]: Finished difference Result 392 states and 474 transitions. [2019-09-08 06:10:43,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:10:43,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-08 06:10:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:43,484 INFO L225 Difference]: With dead ends: 392 [2019-09-08 06:10:43,485 INFO L226 Difference]: Without dead ends: 286 [2019-09-08 06:10:43,486 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:10:43,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2019-09-08 06:10:43,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2019-09-08 06:10:43,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2019-09-08 06:10:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 336 transitions. [2019-09-08 06:10:43,554 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 336 transitions. Word has length 51 [2019-09-08 06:10:43,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:43,555 INFO L475 AbstractCegarLoop]: Abstraction has 278 states and 336 transitions. [2019-09-08 06:10:43,555 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:10:43,555 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 336 transitions. [2019-09-08 06:10:43,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:10:43,558 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:43,558 INFO L399 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] [2019-09-08 06:10:43,558 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:43,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:43,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1373874698, now seen corresponding path program 1 times [2019-09-08 06:10:43,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:43,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:43,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:43,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:43,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:43,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:43,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:43,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-08 06:10:43,781 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 06:10:43,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 06:10:43,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:10:43,782 INFO L87 Difference]: Start difference. First operand 278 states and 336 transitions. Second operand 10 states. [2019-09-08 06:10:44,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:44,449 INFO L93 Difference]: Finished difference Result 992 states and 1292 transitions. [2019-09-08 06:10:44,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 06:10:44,450 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-08 06:10:44,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:44,458 INFO L225 Difference]: With dead ends: 992 [2019-09-08 06:10:44,458 INFO L226 Difference]: Without dead ends: 738 [2019-09-08 06:10:44,463 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-08 06:10:44,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2019-09-08 06:10:44,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 726. [2019-09-08 06:10:44,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2019-09-08 06:10:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 912 transitions. [2019-09-08 06:10:44,562 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 912 transitions. Word has length 57 [2019-09-08 06:10:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:44,564 INFO L475 AbstractCegarLoop]: Abstraction has 726 states and 912 transitions. [2019-09-08 06:10:44,564 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 06:10:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 912 transitions. [2019-09-08 06:10:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 06:10:44,570 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:44,570 INFO L399 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] [2019-09-08 06:10:44,571 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:44,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:44,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1561170436, now seen corresponding path program 1 times [2019-09-08 06:10:44,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:44,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:44,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:44,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:44,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:44,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:10:44,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:10:44,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:10:44,704 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:10:44,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:10:44,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:10:44,704 INFO L87 Difference]: Start difference. First operand 726 states and 912 transitions. Second operand 4 states. [2019-09-08 06:10:45,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:45,112 INFO L93 Difference]: Finished difference Result 1870 states and 2535 transitions. [2019-09-08 06:10:45,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 06:10:45,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-08 06:10:45,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:45,123 INFO L225 Difference]: With dead ends: 1870 [2019-09-08 06:10:45,124 INFO L226 Difference]: Without dead ends: 1168 [2019-09-08 06:10:45,127 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-08 06:10:45,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2019-09-08 06:10:45,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1033. [2019-09-08 06:10:45,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2019-09-08 06:10:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1286 transitions. [2019-09-08 06:10:45,221 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1286 transitions. Word has length 61 [2019-09-08 06:10:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:45,221 INFO L475 AbstractCegarLoop]: Abstraction has 1033 states and 1286 transitions. [2019-09-08 06:10:45,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:10:45,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1286 transitions. [2019-09-08 06:10:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-08 06:10:45,225 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:45,225 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:45,225 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:45,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:45,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1580345337, now seen corresponding path program 1 times [2019-09-08 06:10:45,226 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:45,226 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:45,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:45,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:45,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:45,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-08 06:10:45,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:45,371 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:45,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:45,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:45,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-08 06:10:45,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:45,647 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-08 06:10:45,683 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:10:45,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-08 06:10:45,684 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 06:10:45,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 06:10:45,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-08 06:10:45,685 INFO L87 Difference]: Start difference. First operand 1033 states and 1286 transitions. Second operand 12 states. [2019-09-08 06:10:48,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:48,954 INFO L93 Difference]: Finished difference Result 2426 states and 3263 transitions. [2019-09-08 06:10:48,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-08 06:10:48,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2019-09-08 06:10:48,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:48,966 INFO L225 Difference]: With dead ends: 2426 [2019-09-08 06:10:48,966 INFO L226 Difference]: Without dead ends: 1687 [2019-09-08 06:10:48,970 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 825 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-08 06:10:48,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2019-09-08 06:10:49,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1487. [2019-09-08 06:10:49,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2019-09-08 06:10:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1873 transitions. [2019-09-08 06:10:49,069 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 1873 transitions. Word has length 88 [2019-09-08 06:10:49,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:49,070 INFO L475 AbstractCegarLoop]: Abstraction has 1487 states and 1873 transitions. [2019-09-08 06:10:49,070 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 06:10:49,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1873 transitions. [2019-09-08 06:10:49,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-08 06:10:49,075 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:49,075 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:49,076 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:49,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:49,076 INFO L82 PathProgramCache]: Analyzing trace with hash 1042980920, now seen corresponding path program 1 times [2019-09-08 06:10:49,077 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:49,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:49,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-08 06:10:49,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:49,195 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:49,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:10:49,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 06:10:49,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:49,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-08 06:10:49,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:10:49,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:10:49,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:10:49,428 INFO L87 Difference]: Start difference. First operand 1487 states and 1873 transitions. Second operand 6 states. [2019-09-08 06:10:49,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:49,545 INFO L93 Difference]: Finished difference Result 3006 states and 3988 transitions. [2019-09-08 06:10:49,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:10:49,546 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2019-09-08 06:10:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:49,560 INFO L225 Difference]: With dead ends: 3006 [2019-09-08 06:10:49,560 INFO L226 Difference]: Without dead ends: 1543 [2019-09-08 06:10:49,569 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:10:49,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2019-09-08 06:10:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1527. [2019-09-08 06:10:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2019-09-08 06:10:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1917 transitions. [2019-09-08 06:10:49,717 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1917 transitions. Word has length 145 [2019-09-08 06:10:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:49,718 INFO L475 AbstractCegarLoop]: Abstraction has 1527 states and 1917 transitions. [2019-09-08 06:10:49,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:10:49,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1917 transitions. [2019-09-08 06:10:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-08 06:10:49,725 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:49,727 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:49,728 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:49,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash -13750282, now seen corresponding path program 1 times [2019-09-08 06:10:49,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:49,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:49,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:49,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:49,859 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-08 06:10:49,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:49,860 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:10:49,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 872 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-08 06:10:50,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 06:10:50,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 06:10:50,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-08 06:10:50,093 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-08 06:10:50,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-08 06:10:50,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:50,094 INFO L87 Difference]: Start difference. First operand 1527 states and 1917 transitions. Second operand 11 states. [2019-09-08 06:10:50,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:50,185 INFO L93 Difference]: Finished difference Result 2767 states and 3576 transitions. [2019-09-08 06:10:50,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:10:50,186 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2019-09-08 06:10:50,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:50,195 INFO L225 Difference]: With dead ends: 2767 [2019-09-08 06:10:50,195 INFO L226 Difference]: Without dead ends: 1264 [2019-09-08 06:10:50,201 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-08 06:10:50,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2019-09-08 06:10:50,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1264. [2019-09-08 06:10:50,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1264 states. [2019-09-08 06:10:50,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1589 transitions. [2019-09-08 06:10:50,294 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1589 transitions. Word has length 145 [2019-09-08 06:10:50,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:50,295 INFO L475 AbstractCegarLoop]: Abstraction has 1264 states and 1589 transitions. [2019-09-08 06:10:50,295 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-08 06:10:50,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1589 transitions. [2019-09-08 06:10:50,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-09-08 06:10:50,302 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:50,302 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:50,303 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:50,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1994425787, now seen corresponding path program 1 times [2019-09-08 06:10:50,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:50,303 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:50,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:50,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,524 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-08 06:10:50,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 06:10:50,525 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 06:10:50,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 06:10:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:10:50,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 881 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-08 06:10:50,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 06:10:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 06:10:50,889 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 06:10:50,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2019-09-08 06:10:50,890 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 06:10:50,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 06:10:50,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2019-09-08 06:10:50,891 INFO L87 Difference]: Start difference. First operand 1264 states and 1589 transitions. Second operand 15 states. [2019-09-08 06:10:52,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:10:52,904 INFO L93 Difference]: Finished difference Result 2547 states and 3413 transitions. [2019-09-08 06:10:52,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-09-08 06:10:52,905 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 149 [2019-09-08 06:10:52,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:10:52,916 INFO L225 Difference]: With dead ends: 2547 [2019-09-08 06:10:52,916 INFO L226 Difference]: Without dead ends: 1462 [2019-09-08 06:10:52,921 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2019-09-08 06:10:52,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2019-09-08 06:10:53,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1150. [2019-09-08 06:10:53,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2019-09-08 06:10:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1441 transitions. [2019-09-08 06:10:53,028 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1441 transitions. Word has length 149 [2019-09-08 06:10:53,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:10:53,029 INFO L475 AbstractCegarLoop]: Abstraction has 1150 states and 1441 transitions. [2019-09-08 06:10:53,029 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 06:10:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1441 transitions. [2019-09-08 06:10:53,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-09-08 06:10:53,036 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:10:53,036 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:10:53,036 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:10:53,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:10:53,037 INFO L82 PathProgramCache]: Analyzing trace with hash 530830242, now seen corresponding path program 2 times [2019-09-08 06:10:53,037 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:10:53,037 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:10:53,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:53,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:10:53,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:10:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:10:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:10:54,134 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:10:54,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:10:54 BoogieIcfgContainer [2019-09-08 06:10:54,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:10:54,340 INFO L168 Benchmark]: Toolchain (without parser) took 14370.59 ms. Allocated memory was 133.7 MB in the beginning and 422.1 MB in the end (delta: 288.4 MB). Free memory was 87.6 MB in the beginning and 116.8 MB in the end (delta: -29.2 MB). Peak memory consumption was 259.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:54,340 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-08 06:10:54,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 712.52 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 87.6 MB in the beginning and 165.8 MB in the end (delta: -78.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:54,344 INFO L168 Benchmark]: Boogie Preprocessor took 115.81 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 161.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:54,351 INFO L168 Benchmark]: RCFGBuilder took 1050.31 ms. Allocated memory was 201.9 MB in the beginning and 227.5 MB in the end (delta: 25.7 MB). Free memory was 161.3 MB in the beginning and 194.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:54,352 INFO L168 Benchmark]: TraceAbstraction took 12487.59 ms. Allocated memory was 227.5 MB in the beginning and 422.1 MB in the end (delta: 194.5 MB). Free memory was 193.1 MB in the beginning and 116.8 MB in the end (delta: 76.4 MB). Peak memory consumption was 270.9 MB. Max. memory is 7.1 GB. [2019-09-08 06:10:54,359 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 106.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 712.52 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 87.6 MB in the beginning and 165.8 MB in the end (delta: -78.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.81 ms. Allocated memory is still 201.9 MB. Free memory was 165.8 MB in the beginning and 161.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1050.31 ms. Allocated memory was 201.9 MB in the beginning and 227.5 MB in the end (delta: 25.7 MB). Free memory was 161.3 MB in the beginning and 194.7 MB in the end (delta: -33.4 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12487.59 ms. Allocated memory was 227.5 MB in the beginning and 422.1 MB in the end (delta: 194.5 MB). Free memory was 193.1 MB in the beginning and 116.8 MB in the end (delta: 76.4 MB). Peak memory consumption was 270.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 828]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L219] int pumpRunning = 0; [L220] int systemActive = 1; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L868] int waterLevel = 1; [L869] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L155] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L157] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] tmp = __VERIFIER_nondet_int() [L165] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L167] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L886] COND TRUE waterLevel < 2 [L887] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L167] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L227] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L282] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L285] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L259] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L261] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L396] int retValue_acc ; [L397] int tmp ; [L398] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L402] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L948] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L951] COND FALSE !(waterLevel < 2) [L955] retValue_acc = 0 [L956] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L402] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L402] tmp = isHighWaterSensorDry() [L404] COND FALSE !(\read(tmp)) [L407] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L409] retValue_acc = tmp___0 [L410] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L261] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L261] tmp = isHighWaterLevel() [L263] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L265] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L319] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] int retValue_acc ; [L910] retValue_acc = methaneLevelCritical [L911] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L344] retValue_acc = isMethaneLevelCritical() [L346] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L319] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L319] tmp = isMethaneAlarm() [L321] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L325] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L310] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L325] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L265] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L300] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L236] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L242] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L799] int tmp ; [L800] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L804] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L804] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L804] tmp = getWaterLevel() [L806] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L242] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L200] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L155] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L157] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L227] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L229] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L874] COND TRUE waterLevel > 0 [L875] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L234] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L236] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L282] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L285] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L287] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L907] int retValue_acc ; [L910] retValue_acc = methaneLevelCritical [L911] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L344] retValue_acc = isMethaneLevelCritical() [L346] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L287] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L287] tmp = isMethaneAlarm() [L289] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L295] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L256] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L274] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L295] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L236] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L242] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L799] int tmp ; [L800] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L804] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L804] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L804] tmp = getWaterLevel() [L806] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L242] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L200] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L155] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L157] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L227] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L874] COND TRUE waterLevel > 0 [L875] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L229] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L234] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L236] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L282] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L285] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L287] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L907] int retValue_acc ; [L910] retValue_acc = methaneLevelCritical [L911] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L344] retValue_acc = isMethaneLevelCritical() [L346] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L287] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L287] tmp = isMethaneAlarm() [L289] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L295] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L256] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L274] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L295] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L236] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L242] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L799] int tmp ; [L800] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L804] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L804] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L804] tmp = getWaterLevel() [L806] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L808] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L351] int retValue_acc ; [L354] retValue_acc = pumpRunning [L355] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L808] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L808] tmp___0 = isPumpRunning() [L810] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L812] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L828] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. UNSAFE Result, 12.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1543 SDtfs, 2106 SDslu, 4477 SDs, 0 SdLazy, 4539 SolverSat, 1292 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1011 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 683 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1516 NumberOfCodeBlocks, 1516 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1303 ConstructedInterpolants, 0 QuantifiedInterpolants, 238101 SizeOfPredicates, 11 NumberOfNonLiveVariables, 3374 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 224/262 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...