/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 21:25:20,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 21:25:20,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 21:25:20,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 21:25:20,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 21:25:20,970 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 21:25:20,972 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 21:25:20,974 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 21:25:20,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 21:25:20,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 21:25:20,978 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 21:25:20,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 21:25:20,979 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 21:25:20,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 21:25:20,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 21:25:20,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 21:25:20,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 21:25:20,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 21:25:20,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 21:25:20,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 21:25:20,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 21:25:20,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 21:25:20,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 21:25:20,994 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 21:25:20,996 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 21:25:20,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 21:25:20,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 21:25:20,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 21:25:20,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 21:25:21,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 21:25:21,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 21:25:21,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 21:25:21,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 21:25:21,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 21:25:21,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 21:25:21,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 21:25:21,009 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 21:25:21,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 21:25:21,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 21:25:21,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 21:25:21,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 21:25:21,015 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 21:25:21,042 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 21:25:21,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 21:25:21,045 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 21:25:21,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 21:25:21,045 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 21:25:21,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 21:25:21,046 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 21:25:21,046 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 21:25:21,046 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 21:25:21,046 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 21:25:21,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 21:25:21,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 21:25:21,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 21:25:21,048 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 21:25:21,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 21:25:21,048 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 21:25:21,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 21:25:21,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 21:25:21,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 21:25:21,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 21:25:21,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 21:25:21,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:25:21,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 21:25:21,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 21:25:21,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 21:25:21,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 21:25:21,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 21:25:21,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 21:25:21,051 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 21:25:21,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 21:25:21,335 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 21:25:21,356 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 21:25:21,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 21:25:21,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 21:25:21,361 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 21:25:21,361 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2020-07-17 21:25:21,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623a76917/d306d8f1b32c44809d69c4316b9c1e94/FLAGefd1fdeb0 [2020-07-17 21:25:21,986 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 21:25:21,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c [2020-07-17 21:25:22,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623a76917/d306d8f1b32c44809d69c4316b9c1e94/FLAGefd1fdeb0 [2020-07-17 21:25:22,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/623a76917/d306d8f1b32c44809d69c4316b9c1e94 [2020-07-17 21:25:22,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 21:25:22,293 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 21:25:22,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 21:25:22,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 21:25:22,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 21:25:22,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:25:22" (1/1) ... [2020-07-17 21:25:22,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ae2795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:22, skipping insertion in model container [2020-07-17 21:25:22,303 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 09:25:22" (1/1) ... [2020-07-17 21:25:22,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 21:25:22,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 21:25:22,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:25:22,833 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 21:25:22,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 21:25:23,009 INFO L208 MainTranslator]: Completed translation [2020-07-17 21:25:23,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23 WrapperNode [2020-07-17 21:25:23,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 21:25:23,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 21:25:23,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 21:25:23,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 21:25:23,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... [2020-07-17 21:25:23,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 21:25:23,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 21:25:23,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 21:25:23,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 21:25:23,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 21:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 21:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 21:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 21:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 21:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 21:25:23,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 21:25:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 21:25:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 21:25:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 21:25:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 21:25:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 21:25:23,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 21:25:23,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 21:25:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 21:25:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 21:25:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 21:25:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 21:25:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 21:25:23,247 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 21:25:23,248 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 21:25:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-17 21:25:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 21:25:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 21:25:23,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 21:25:23,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 21:25:23,250 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 21:25:23,251 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 21:25:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 21:25:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 21:25:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 21:25:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-17 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 21:25:23,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 21:25:23,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 21:25:25,172 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 21:25:25,172 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 21:25:25,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:25:25 BoogieIcfgContainer [2020-07-17 21:25:25,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 21:25:25,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 21:25:25,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 21:25:25,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 21:25:25,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 09:25:22" (1/3) ... [2020-07-17 21:25:25,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecacf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:25:25, skipping insertion in model container [2020-07-17 21:25:25,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 09:25:23" (2/3) ... [2020-07-17 21:25:25,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecacf21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 09:25:25, skipping insertion in model container [2020-07-17 21:25:25,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 09:25:25" (3/3) ... [2020-07-17 21:25:25,196 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.c [2020-07-17 21:25:25,206 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 21:25:25,215 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 21:25:25,231 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 21:25:25,263 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 21:25:25,263 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 21:25:25,264 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 21:25:25,264 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 21:25:25,264 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 21:25:25,264 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 21:25:25,265 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 21:25:25,265 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 21:25:25,288 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states. [2020-07-17 21:25:25,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 21:25:25,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:25:25,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:25:25,303 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:25:25,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:25:25,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1135361186, now seen corresponding path program 1 times [2020-07-17 21:25:25,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:25:25,320 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023159054] [2020-07-17 21:25:25,320 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:25:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,063 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:25:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,148 INFO L280 TraceCheckUtils]: 0: Hoare triple {228#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {205#true} is VALID [2020-07-17 21:25:26,149 INFO L280 TraceCheckUtils]: 1: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,150 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {205#true} {205#true} #576#return; {205#true} is VALID [2020-07-17 21:25:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,161 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,161 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {205#true} {205#true} #466#return; {205#true} is VALID [2020-07-17 21:25:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,165 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,165 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {205#true} {205#true} #468#return; {205#true} is VALID [2020-07-17 21:25:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,170 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {205#true} is VALID [2020-07-17 21:25:26,170 INFO L280 TraceCheckUtils]: 1: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,171 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {205#true} {205#true} #470#return; {205#true} is VALID [2020-07-17 21:25:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,174 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,175 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {205#true} {205#true} #472#return; {205#true} is VALID [2020-07-17 21:25:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,179 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {205#true} is VALID [2020-07-17 21:25:26,179 INFO L280 TraceCheckUtils]: 1: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,179 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {205#true} {206#false} #568#return; {206#false} is VALID [2020-07-17 21:25:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,184 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {205#true} is VALID [2020-07-17 21:25:26,184 INFO L280 TraceCheckUtils]: 1: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,184 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {205#true} {206#false} #570#return; {206#false} is VALID [2020-07-17 21:25:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:26,188 INFO L280 TraceCheckUtils]: 0: Hoare triple {205#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {205#true} is VALID [2020-07-17 21:25:26,189 INFO L280 TraceCheckUtils]: 1: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,189 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {205#true} {206#false} #572#return; {206#false} is VALID [2020-07-17 21:25:26,196 INFO L263 TraceCheckUtils]: 0: Hoare triple {205#true} call ULTIMATE.init(); {228#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:25:26,196 INFO L280 TraceCheckUtils]: 1: Hoare triple {228#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {205#true} is VALID [2020-07-17 21:25:26,197 INFO L280 TraceCheckUtils]: 2: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,197 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {205#true} {205#true} #576#return; {205#true} is VALID [2020-07-17 21:25:26,197 INFO L263 TraceCheckUtils]: 4: Hoare triple {205#true} call #t~ret76 := main(); {205#true} is VALID [2020-07-17 21:25:26,198 INFO L280 TraceCheckUtils]: 5: Hoare triple {205#true} havoc ~retValue_acc~0;havoc ~tmp~0; {205#true} is VALID [2020-07-17 21:25:26,198 INFO L263 TraceCheckUtils]: 6: Hoare triple {205#true} call select_helpers(); {205#true} is VALID [2020-07-17 21:25:26,198 INFO L280 TraceCheckUtils]: 7: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,198 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {205#true} {205#true} #466#return; {205#true} is VALID [2020-07-17 21:25:26,199 INFO L263 TraceCheckUtils]: 9: Hoare triple {205#true} call select_features(); {205#true} is VALID [2020-07-17 21:25:26,199 INFO L280 TraceCheckUtils]: 10: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,199 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {205#true} {205#true} #468#return; {205#true} is VALID [2020-07-17 21:25:26,200 INFO L263 TraceCheckUtils]: 12: Hoare triple {205#true} call #t~ret0 := valid_product(); {205#true} is VALID [2020-07-17 21:25:26,200 INFO L280 TraceCheckUtils]: 13: Hoare triple {205#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {205#true} is VALID [2020-07-17 21:25:26,200 INFO L280 TraceCheckUtils]: 14: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,201 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {205#true} {205#true} #470#return; {205#true} is VALID [2020-07-17 21:25:26,201 INFO L280 TraceCheckUtils]: 16: Hoare triple {205#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {205#true} is VALID [2020-07-17 21:25:26,201 INFO L280 TraceCheckUtils]: 17: Hoare triple {205#true} assume 0 != ~tmp~0; {205#true} is VALID [2020-07-17 21:25:26,202 INFO L263 TraceCheckUtils]: 18: Hoare triple {205#true} call setup(); {205#true} is VALID [2020-07-17 21:25:26,202 INFO L280 TraceCheckUtils]: 19: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,202 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {205#true} {205#true} #472#return; {205#true} is VALID [2020-07-17 21:25:26,202 INFO L263 TraceCheckUtils]: 21: Hoare triple {205#true} call runTest(); {205#true} is VALID [2020-07-17 21:25:26,203 INFO L263 TraceCheckUtils]: 22: Hoare triple {205#true} call test(); {205#true} is VALID [2020-07-17 21:25:26,233 INFO L280 TraceCheckUtils]: 23: Hoare triple {205#true} havoc ~splverifierCounter~0;havoc ~tmp~10;havoc ~tmp___0~3;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {205#true} is VALID [2020-07-17 21:25:26,237 INFO L280 TraceCheckUtils]: 24: Hoare triple {205#true} assume !true; {206#false} is VALID [2020-07-17 21:25:26,237 INFO L263 TraceCheckUtils]: 25: Hoare triple {206#false} call cleanup(); {206#false} is VALID [2020-07-17 21:25:26,237 INFO L280 TraceCheckUtils]: 26: Hoare triple {206#false} havoc ~i~0;havoc ~__cil_tmp2~0; {206#false} is VALID [2020-07-17 21:25:26,238 INFO L263 TraceCheckUtils]: 27: Hoare triple {206#false} call timeShift(); {206#false} is VALID [2020-07-17 21:25:26,238 INFO L280 TraceCheckUtils]: 28: Hoare triple {206#false} assume !(0 != ~pumpRunning~0); {206#false} is VALID [2020-07-17 21:25:26,238 INFO L280 TraceCheckUtils]: 29: Hoare triple {206#false} assume !(0 != ~systemActive~0); {206#false} is VALID [2020-07-17 21:25:26,239 INFO L263 TraceCheckUtils]: 30: Hoare triple {206#false} call __utac_acc__Specification3_spec__1(); {206#false} is VALID [2020-07-17 21:25:26,239 INFO L280 TraceCheckUtils]: 31: Hoare triple {206#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {206#false} is VALID [2020-07-17 21:25:26,239 INFO L263 TraceCheckUtils]: 32: Hoare triple {206#false} call #t~ret37 := isMethaneLevelCritical(); {205#true} is VALID [2020-07-17 21:25:26,240 INFO L280 TraceCheckUtils]: 33: Hoare triple {205#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {205#true} is VALID [2020-07-17 21:25:26,240 INFO L280 TraceCheckUtils]: 34: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,240 INFO L275 TraceCheckUtils]: 35: Hoare quadruple {205#true} {206#false} #568#return; {206#false} is VALID [2020-07-17 21:25:26,240 INFO L280 TraceCheckUtils]: 36: Hoare triple {206#false} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {206#false} is VALID [2020-07-17 21:25:26,241 INFO L280 TraceCheckUtils]: 37: Hoare triple {206#false} assume !(0 != ~tmp~4); {206#false} is VALID [2020-07-17 21:25:26,241 INFO L263 TraceCheckUtils]: 38: Hoare triple {206#false} call #t~ret38 := getWaterLevel(); {205#true} is VALID [2020-07-17 21:25:26,241 INFO L280 TraceCheckUtils]: 39: Hoare triple {205#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {205#true} is VALID [2020-07-17 21:25:26,242 INFO L280 TraceCheckUtils]: 40: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,242 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {205#true} {206#false} #570#return; {206#false} is VALID [2020-07-17 21:25:26,242 INFO L280 TraceCheckUtils]: 42: Hoare triple {206#false} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {206#false} is VALID [2020-07-17 21:25:26,243 INFO L280 TraceCheckUtils]: 43: Hoare triple {206#false} assume 2 == ~tmp___0~0; {206#false} is VALID [2020-07-17 21:25:26,243 INFO L263 TraceCheckUtils]: 44: Hoare triple {206#false} call #t~ret39 := isPumpRunning(); {205#true} is VALID [2020-07-17 21:25:26,243 INFO L280 TraceCheckUtils]: 45: Hoare triple {205#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {205#true} is VALID [2020-07-17 21:25:26,244 INFO L280 TraceCheckUtils]: 46: Hoare triple {205#true} assume true; {205#true} is VALID [2020-07-17 21:25:26,244 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {205#true} {206#false} #572#return; {206#false} is VALID [2020-07-17 21:25:26,244 INFO L280 TraceCheckUtils]: 48: Hoare triple {206#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {206#false} is VALID [2020-07-17 21:25:26,244 INFO L280 TraceCheckUtils]: 49: Hoare triple {206#false} assume !(0 != ~tmp___1~0); {206#false} is VALID [2020-07-17 21:25:26,245 INFO L263 TraceCheckUtils]: 50: Hoare triple {206#false} call __automaton_fail(); {206#false} is VALID [2020-07-17 21:25:26,245 INFO L280 TraceCheckUtils]: 51: Hoare triple {206#false} assume !false; {206#false} is VALID [2020-07-17 21:25:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:25:26,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023159054] [2020-07-17 21:25:26,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:25:26,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-17 21:25:26,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100561330] [2020-07-17 21:25:26,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:25:26,265 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:25:26,269 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-17 21:25:26,348 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:25:26,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 21:25:26,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:25:26,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 21:25:26,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:25:26,360 INFO L87 Difference]: Start difference. First operand 202 states. Second operand 3 states. [2020-07-17 21:25:31,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:25:31,783 INFO L93 Difference]: Finished difference Result 364 states and 474 transitions. [2020-07-17 21:25:31,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 21:25:31,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-17 21:25:31,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:25:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:25:31,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2020-07-17 21:25:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-17 21:25:31,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 474 transitions. [2020-07-17 21:25:31,873 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 474 transitions. [2020-07-17 21:25:33,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 474 edges. 474 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:25:33,525 INFO L225 Difference]: With dead ends: 364 [2020-07-17 21:25:33,525 INFO L226 Difference]: Without dead ends: 196 [2020-07-17 21:25:33,531 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-17 21:25:33,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-07-17 21:25:35,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 159. [2020-07-17 21:25:35,156 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:25:35,156 INFO L82 GeneralOperation]: Start isEquivalent. First operand 196 states. Second operand 159 states. [2020-07-17 21:25:35,157 INFO L74 IsIncluded]: Start isIncluded. First operand 196 states. Second operand 159 states. [2020-07-17 21:25:35,157 INFO L87 Difference]: Start difference. First operand 196 states. Second operand 159 states. [2020-07-17 21:25:35,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:25:35,175 INFO L93 Difference]: Finished difference Result 196 states and 248 transitions. [2020-07-17 21:25:35,175 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 248 transitions. [2020-07-17 21:25:35,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:25:35,180 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:25:35,180 INFO L74 IsIncluded]: Start isIncluded. First operand 159 states. Second operand 196 states. [2020-07-17 21:25:35,180 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 196 states. [2020-07-17 21:25:35,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:25:35,195 INFO L93 Difference]: Finished difference Result 196 states and 248 transitions. [2020-07-17 21:25:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 248 transitions. [2020-07-17 21:25:35,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:25:35,198 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:25:35,198 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:25:35,199 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:25:35,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-17 21:25:35,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2020-07-17 21:25:35,209 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 52 [2020-07-17 21:25:35,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:25:35,210 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2020-07-17 21:25:35,210 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 21:25:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2020-07-17 21:25:35,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-17 21:25:35,213 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:25:35,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:25:35,213 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 21:25:35,214 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:25:35,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:25:35,214 INFO L82 PathProgramCache]: Analyzing trace with hash 117273538, now seen corresponding path program 1 times [2020-07-17 21:25:35,214 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:25:35,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384666059] [2020-07-17 21:25:35,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:25:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,572 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:25:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,669 INFO L280 TraceCheckUtils]: 0: Hoare triple {1382#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1358#true} is VALID [2020-07-17 21:25:35,669 INFO L280 TraceCheckUtils]: 1: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,669 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1358#true} {1358#true} #576#return; {1358#true} is VALID [2020-07-17 21:25:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,672 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,673 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1358#true} {1358#true} #466#return; {1358#true} is VALID [2020-07-17 21:25:35,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,676 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,676 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1358#true} {1358#true} #468#return; {1358#true} is VALID [2020-07-17 21:25:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,682 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {1358#true} is VALID [2020-07-17 21:25:35,682 INFO L280 TraceCheckUtils]: 1: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,683 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1358#true} {1358#true} #470#return; {1358#true} is VALID [2020-07-17 21:25:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,686 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,686 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {1358#true} {1358#true} #472#return; {1358#true} is VALID [2020-07-17 21:25:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,690 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1358#true} is VALID [2020-07-17 21:25:35,690 INFO L280 TraceCheckUtils]: 1: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,690 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1358#true} {1359#false} #568#return; {1359#false} is VALID [2020-07-17 21:25:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,694 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1358#true} is VALID [2020-07-17 21:25:35,695 INFO L280 TraceCheckUtils]: 1: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,695 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1358#true} {1359#false} #570#return; {1359#false} is VALID [2020-07-17 21:25:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:35,699 INFO L280 TraceCheckUtils]: 0: Hoare triple {1358#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {1358#true} is VALID [2020-07-17 21:25:35,700 INFO L280 TraceCheckUtils]: 1: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,700 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {1358#true} {1359#false} #572#return; {1359#false} is VALID [2020-07-17 21:25:35,705 INFO L263 TraceCheckUtils]: 0: Hoare triple {1358#true} call ULTIMATE.init(); {1382#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:25:35,705 INFO L280 TraceCheckUtils]: 1: Hoare triple {1382#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {1358#true} is VALID [2020-07-17 21:25:35,706 INFO L280 TraceCheckUtils]: 2: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,706 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {1358#true} {1358#true} #576#return; {1358#true} is VALID [2020-07-17 21:25:35,706 INFO L263 TraceCheckUtils]: 4: Hoare triple {1358#true} call #t~ret76 := main(); {1358#true} is VALID [2020-07-17 21:25:35,706 INFO L280 TraceCheckUtils]: 5: Hoare triple {1358#true} havoc ~retValue_acc~0;havoc ~tmp~0; {1358#true} is VALID [2020-07-17 21:25:35,707 INFO L263 TraceCheckUtils]: 6: Hoare triple {1358#true} call select_helpers(); {1358#true} is VALID [2020-07-17 21:25:35,707 INFO L280 TraceCheckUtils]: 7: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,707 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {1358#true} {1358#true} #466#return; {1358#true} is VALID [2020-07-17 21:25:35,707 INFO L263 TraceCheckUtils]: 9: Hoare triple {1358#true} call select_features(); {1358#true} is VALID [2020-07-17 21:25:35,708 INFO L280 TraceCheckUtils]: 10: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,708 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {1358#true} {1358#true} #468#return; {1358#true} is VALID [2020-07-17 21:25:35,708 INFO L263 TraceCheckUtils]: 12: Hoare triple {1358#true} call #t~ret0 := valid_product(); {1358#true} is VALID [2020-07-17 21:25:35,708 INFO L280 TraceCheckUtils]: 13: Hoare triple {1358#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {1358#true} is VALID [2020-07-17 21:25:35,709 INFO L280 TraceCheckUtils]: 14: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,709 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {1358#true} {1358#true} #470#return; {1358#true} is VALID [2020-07-17 21:25:35,709 INFO L280 TraceCheckUtils]: 16: Hoare triple {1358#true} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {1358#true} is VALID [2020-07-17 21:25:35,710 INFO L280 TraceCheckUtils]: 17: Hoare triple {1358#true} assume 0 != ~tmp~0; {1358#true} is VALID [2020-07-17 21:25:35,710 INFO L263 TraceCheckUtils]: 18: Hoare triple {1358#true} call setup(); {1358#true} is VALID [2020-07-17 21:25:35,710 INFO L280 TraceCheckUtils]: 19: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,710 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {1358#true} {1358#true} #472#return; {1358#true} is VALID [2020-07-17 21:25:35,711 INFO L263 TraceCheckUtils]: 21: Hoare triple {1358#true} call runTest(); {1358#true} is VALID [2020-07-17 21:25:35,711 INFO L263 TraceCheckUtils]: 22: Hoare triple {1358#true} call test(); {1358#true} is VALID [2020-07-17 21:25:35,712 INFO L280 TraceCheckUtils]: 23: Hoare triple {1358#true} havoc ~splverifierCounter~0;havoc ~tmp~10;havoc ~tmp___0~3;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {1372#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:25:35,713 INFO L280 TraceCheckUtils]: 24: Hoare triple {1372#(= 0 test_~splverifierCounter~0)} assume !false; {1372#(= 0 test_~splverifierCounter~0)} is VALID [2020-07-17 21:25:35,714 INFO L280 TraceCheckUtils]: 25: Hoare triple {1372#(= 0 test_~splverifierCounter~0)} assume !(~splverifierCounter~0 < 4); {1359#false} is VALID [2020-07-17 21:25:35,715 INFO L263 TraceCheckUtils]: 26: Hoare triple {1359#false} call cleanup(); {1359#false} is VALID [2020-07-17 21:25:35,715 INFO L280 TraceCheckUtils]: 27: Hoare triple {1359#false} havoc ~i~0;havoc ~__cil_tmp2~0; {1359#false} is VALID [2020-07-17 21:25:35,715 INFO L263 TraceCheckUtils]: 28: Hoare triple {1359#false} call timeShift(); {1359#false} is VALID [2020-07-17 21:25:35,715 INFO L280 TraceCheckUtils]: 29: Hoare triple {1359#false} assume !(0 != ~pumpRunning~0); {1359#false} is VALID [2020-07-17 21:25:35,716 INFO L280 TraceCheckUtils]: 30: Hoare triple {1359#false} assume !(0 != ~systemActive~0); {1359#false} is VALID [2020-07-17 21:25:35,716 INFO L263 TraceCheckUtils]: 31: Hoare triple {1359#false} call __utac_acc__Specification3_spec__1(); {1359#false} is VALID [2020-07-17 21:25:35,716 INFO L280 TraceCheckUtils]: 32: Hoare triple {1359#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {1359#false} is VALID [2020-07-17 21:25:35,717 INFO L263 TraceCheckUtils]: 33: Hoare triple {1359#false} call #t~ret37 := isMethaneLevelCritical(); {1358#true} is VALID [2020-07-17 21:25:35,717 INFO L280 TraceCheckUtils]: 34: Hoare triple {1358#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {1358#true} is VALID [2020-07-17 21:25:35,717 INFO L280 TraceCheckUtils]: 35: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,717 INFO L275 TraceCheckUtils]: 36: Hoare quadruple {1358#true} {1359#false} #568#return; {1359#false} is VALID [2020-07-17 21:25:35,718 INFO L280 TraceCheckUtils]: 37: Hoare triple {1359#false} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {1359#false} is VALID [2020-07-17 21:25:35,718 INFO L280 TraceCheckUtils]: 38: Hoare triple {1359#false} assume !(0 != ~tmp~4); {1359#false} is VALID [2020-07-17 21:25:35,718 INFO L263 TraceCheckUtils]: 39: Hoare triple {1359#false} call #t~ret38 := getWaterLevel(); {1358#true} is VALID [2020-07-17 21:25:35,718 INFO L280 TraceCheckUtils]: 40: Hoare triple {1358#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {1358#true} is VALID [2020-07-17 21:25:35,719 INFO L280 TraceCheckUtils]: 41: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,719 INFO L275 TraceCheckUtils]: 42: Hoare quadruple {1358#true} {1359#false} #570#return; {1359#false} is VALID [2020-07-17 21:25:35,719 INFO L280 TraceCheckUtils]: 43: Hoare triple {1359#false} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {1359#false} is VALID [2020-07-17 21:25:35,719 INFO L280 TraceCheckUtils]: 44: Hoare triple {1359#false} assume 2 == ~tmp___0~0; {1359#false} is VALID [2020-07-17 21:25:35,720 INFO L263 TraceCheckUtils]: 45: Hoare triple {1359#false} call #t~ret39 := isPumpRunning(); {1358#true} is VALID [2020-07-17 21:25:35,720 INFO L280 TraceCheckUtils]: 46: Hoare triple {1358#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {1358#true} is VALID [2020-07-17 21:25:35,720 INFO L280 TraceCheckUtils]: 47: Hoare triple {1358#true} assume true; {1358#true} is VALID [2020-07-17 21:25:35,720 INFO L275 TraceCheckUtils]: 48: Hoare quadruple {1358#true} {1359#false} #572#return; {1359#false} is VALID [2020-07-17 21:25:35,721 INFO L280 TraceCheckUtils]: 49: Hoare triple {1359#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {1359#false} is VALID [2020-07-17 21:25:35,721 INFO L280 TraceCheckUtils]: 50: Hoare triple {1359#false} assume !(0 != ~tmp___1~0); {1359#false} is VALID [2020-07-17 21:25:35,721 INFO L263 TraceCheckUtils]: 51: Hoare triple {1359#false} call __automaton_fail(); {1359#false} is VALID [2020-07-17 21:25:35,721 INFO L280 TraceCheckUtils]: 52: Hoare triple {1359#false} assume !false; {1359#false} is VALID [2020-07-17 21:25:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:25:35,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384666059] [2020-07-17 21:25:35,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:25:35,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 21:25:35,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169097025] [2020-07-17 21:25:35,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:25:35,731 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:25:35,731 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-17 21:25:35,807 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:25:35,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 21:25:35,807 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:25:35,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 21:25:35,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 21:25:35,808 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 4 states. [2020-07-17 21:25:37,056 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:25:41,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:25:41,749 INFO L93 Difference]: Finished difference Result 287 states and 353 transitions. [2020-07-17 21:25:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 21:25:41,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-07-17 21:25:41,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:25:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:25:41,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 353 transitions. [2020-07-17 21:25:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-17 21:25:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 353 transitions. [2020-07-17 21:25:41,770 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 353 transitions. [2020-07-17 21:25:43,027 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 353 edges. 353 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:25:43,037 INFO L225 Difference]: With dead ends: 287 [2020-07-17 21:25:43,038 INFO L226 Difference]: Without dead ends: 180 [2020-07-17 21:25:43,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 21:25:43,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2020-07-17 21:25:44,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 150. [2020-07-17 21:25:44,621 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:25:44,621 INFO L82 GeneralOperation]: Start isEquivalent. First operand 180 states. Second operand 150 states. [2020-07-17 21:25:44,622 INFO L74 IsIncluded]: Start isIncluded. First operand 180 states. Second operand 150 states. [2020-07-17 21:25:44,622 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 150 states. [2020-07-17 21:25:44,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:25:44,633 INFO L93 Difference]: Finished difference Result 180 states and 224 transitions. [2020-07-17 21:25:44,633 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 224 transitions. [2020-07-17 21:25:44,635 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:25:44,635 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:25:44,635 INFO L74 IsIncluded]: Start isIncluded. First operand 150 states. Second operand 180 states. [2020-07-17 21:25:44,635 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 180 states. [2020-07-17 21:25:44,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:25:44,645 INFO L93 Difference]: Finished difference Result 180 states and 224 transitions. [2020-07-17 21:25:44,645 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 224 transitions. [2020-07-17 21:25:44,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:25:44,647 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:25:44,647 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:25:44,647 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:25:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2020-07-17 21:25:44,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2020-07-17 21:25:44,654 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 53 [2020-07-17 21:25:44,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:25:44,654 INFO L479 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2020-07-17 21:25:44,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 21:25:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2020-07-17 21:25:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-07-17 21:25:44,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:25:44,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:25:44,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 21:25:44,657 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:25:44,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:25:44,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1326355153, now seen corresponding path program 1 times [2020-07-17 21:25:44,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:25:44,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665881740] [2020-07-17 21:25:44,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:25:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,042 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:25:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,131 INFO L280 TraceCheckUtils]: 0: Hoare triple {2396#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,132 INFO L280 TraceCheckUtils]: 1: Hoare triple {2374#(= 1 ~systemActive~0)} assume true; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,133 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2374#(= 1 ~systemActive~0)} {2369#true} #576#return; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,136 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,137 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2369#true} {2374#(= 1 ~systemActive~0)} #466#return; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,143 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,143 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2369#true} {2374#(= 1 ~systemActive~0)} #468#return; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,193 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:25:45,194 INFO L280 TraceCheckUtils]: 1: Hoare triple {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:25:45,195 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {2374#(= 1 ~systemActive~0)} #470#return; {2382#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-17 21:25:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,199 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,200 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {2369#true} {2384#(not (= 0 ~systemActive~0))} #472#return; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,203 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {2369#true} is VALID [2020-07-17 21:25:45,204 INFO L280 TraceCheckUtils]: 1: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,204 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2369#true} {2370#false} #568#return; {2370#false} is VALID [2020-07-17 21:25:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,207 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {2369#true} is VALID [2020-07-17 21:25:45,207 INFO L280 TraceCheckUtils]: 1: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,208 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2369#true} {2370#false} #570#return; {2370#false} is VALID [2020-07-17 21:25:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:25:45,211 INFO L280 TraceCheckUtils]: 0: Hoare triple {2369#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {2369#true} is VALID [2020-07-17 21:25:45,211 INFO L280 TraceCheckUtils]: 1: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,211 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {2369#true} {2370#false} #572#return; {2370#false} is VALID [2020-07-17 21:25:45,216 INFO L263 TraceCheckUtils]: 0: Hoare triple {2369#true} call ULTIMATE.init(); {2396#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:25:45,222 INFO L280 TraceCheckUtils]: 1: Hoare triple {2396#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,223 INFO L280 TraceCheckUtils]: 2: Hoare triple {2374#(= 1 ~systemActive~0)} assume true; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,224 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {2374#(= 1 ~systemActive~0)} {2369#true} #576#return; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,224 INFO L263 TraceCheckUtils]: 4: Hoare triple {2374#(= 1 ~systemActive~0)} call #t~ret76 := main(); {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,225 INFO L280 TraceCheckUtils]: 5: Hoare triple {2374#(= 1 ~systemActive~0)} havoc ~retValue_acc~0;havoc ~tmp~0; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,225 INFO L263 TraceCheckUtils]: 6: Hoare triple {2374#(= 1 ~systemActive~0)} call select_helpers(); {2369#true} is VALID [2020-07-17 21:25:45,225 INFO L280 TraceCheckUtils]: 7: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,226 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {2369#true} {2374#(= 1 ~systemActive~0)} #466#return; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,226 INFO L263 TraceCheckUtils]: 9: Hoare triple {2374#(= 1 ~systemActive~0)} call select_features(); {2369#true} is VALID [2020-07-17 21:25:45,226 INFO L280 TraceCheckUtils]: 10: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,227 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {2369#true} {2374#(= 1 ~systemActive~0)} #468#return; {2374#(= 1 ~systemActive~0)} is VALID [2020-07-17 21:25:45,227 INFO L263 TraceCheckUtils]: 12: Hoare triple {2374#(= 1 ~systemActive~0)} call #t~ret0 := valid_product(); {2369#true} is VALID [2020-07-17 21:25:45,228 INFO L280 TraceCheckUtils]: 13: Hoare triple {2369#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:25:45,229 INFO L280 TraceCheckUtils]: 14: Hoare triple {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} assume true; {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} is VALID [2020-07-17 21:25:45,230 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {2397#(and (<= |valid_product_#res| 1) (< 0 |valid_product_#res|))} {2374#(= 1 ~systemActive~0)} #470#return; {2382#(= |main_#t~ret0| ~systemActive~0)} is VALID [2020-07-17 21:25:45,231 INFO L280 TraceCheckUtils]: 16: Hoare triple {2382#(= |main_#t~ret0| ~systemActive~0)} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {2383#(= main_~tmp~0 ~systemActive~0)} is VALID [2020-07-17 21:25:45,231 INFO L280 TraceCheckUtils]: 17: Hoare triple {2383#(= main_~tmp~0 ~systemActive~0)} assume 0 != ~tmp~0; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,231 INFO L263 TraceCheckUtils]: 18: Hoare triple {2384#(not (= 0 ~systemActive~0))} call setup(); {2369#true} is VALID [2020-07-17 21:25:45,232 INFO L280 TraceCheckUtils]: 19: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,232 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {2369#true} {2384#(not (= 0 ~systemActive~0))} #472#return; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,233 INFO L263 TraceCheckUtils]: 21: Hoare triple {2384#(not (= 0 ~systemActive~0))} call runTest(); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,234 INFO L263 TraceCheckUtils]: 22: Hoare triple {2384#(not (= 0 ~systemActive~0))} call test(); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,234 INFO L280 TraceCheckUtils]: 23: Hoare triple {2384#(not (= 0 ~systemActive~0))} havoc ~splverifierCounter~0;havoc ~tmp~10;havoc ~tmp___0~3;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,235 INFO L280 TraceCheckUtils]: 24: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !false; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,236 INFO L280 TraceCheckUtils]: 25: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume ~splverifierCounter~0 < 4; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,236 INFO L280 TraceCheckUtils]: 26: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet72 && #t~nondet72 <= 2147483647;~tmp~10 := #t~nondet72;havoc #t~nondet72; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,237 INFO L280 TraceCheckUtils]: 27: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp~10); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,237 INFO L280 TraceCheckUtils]: 28: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet73 && #t~nondet73 <= 2147483647;~tmp___0~3 := #t~nondet73;havoc #t~nondet73; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,238 INFO L280 TraceCheckUtils]: 29: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___0~3); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,239 INFO L280 TraceCheckUtils]: 30: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume -2147483648 <= #t~nondet74 && #t~nondet74 <= 2147483647;~tmp___2~0 := #t~nondet74;havoc #t~nondet74; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,239 INFO L280 TraceCheckUtils]: 31: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet75 && #t~nondet75 <= 2147483647;~tmp___1~1 := #t~nondet75;havoc #t~nondet75; {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,240 INFO L280 TraceCheckUtils]: 32: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !(0 != ~tmp___1~1); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,241 INFO L263 TraceCheckUtils]: 33: Hoare triple {2384#(not (= 0 ~systemActive~0))} call timeShift(); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,241 INFO L280 TraceCheckUtils]: 34: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {2384#(not (= 0 ~systemActive~0))} is VALID [2020-07-17 21:25:45,242 INFO L280 TraceCheckUtils]: 35: Hoare triple {2384#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {2370#false} is VALID [2020-07-17 21:25:45,242 INFO L263 TraceCheckUtils]: 36: Hoare triple {2370#false} call __utac_acc__Specification3_spec__1(); {2370#false} is VALID [2020-07-17 21:25:45,242 INFO L280 TraceCheckUtils]: 37: Hoare triple {2370#false} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {2370#false} is VALID [2020-07-17 21:25:45,242 INFO L263 TraceCheckUtils]: 38: Hoare triple {2370#false} call #t~ret37 := isMethaneLevelCritical(); {2369#true} is VALID [2020-07-17 21:25:45,243 INFO L280 TraceCheckUtils]: 39: Hoare triple {2369#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {2369#true} is VALID [2020-07-17 21:25:45,243 INFO L280 TraceCheckUtils]: 40: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,243 INFO L275 TraceCheckUtils]: 41: Hoare quadruple {2369#true} {2370#false} #568#return; {2370#false} is VALID [2020-07-17 21:25:45,243 INFO L280 TraceCheckUtils]: 42: Hoare triple {2370#false} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {2370#false} is VALID [2020-07-17 21:25:45,243 INFO L280 TraceCheckUtils]: 43: Hoare triple {2370#false} assume !(0 != ~tmp~4); {2370#false} is VALID [2020-07-17 21:25:45,244 INFO L263 TraceCheckUtils]: 44: Hoare triple {2370#false} call #t~ret38 := getWaterLevel(); {2369#true} is VALID [2020-07-17 21:25:45,244 INFO L280 TraceCheckUtils]: 45: Hoare triple {2369#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {2369#true} is VALID [2020-07-17 21:25:45,244 INFO L280 TraceCheckUtils]: 46: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,244 INFO L275 TraceCheckUtils]: 47: Hoare quadruple {2369#true} {2370#false} #570#return; {2370#false} is VALID [2020-07-17 21:25:45,245 INFO L280 TraceCheckUtils]: 48: Hoare triple {2370#false} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {2370#false} is VALID [2020-07-17 21:25:45,245 INFO L280 TraceCheckUtils]: 49: Hoare triple {2370#false} assume 2 == ~tmp___0~0; {2370#false} is VALID [2020-07-17 21:25:45,245 INFO L263 TraceCheckUtils]: 50: Hoare triple {2370#false} call #t~ret39 := isPumpRunning(); {2369#true} is VALID [2020-07-17 21:25:45,245 INFO L280 TraceCheckUtils]: 51: Hoare triple {2369#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {2369#true} is VALID [2020-07-17 21:25:45,246 INFO L280 TraceCheckUtils]: 52: Hoare triple {2369#true} assume true; {2369#true} is VALID [2020-07-17 21:25:45,246 INFO L275 TraceCheckUtils]: 53: Hoare quadruple {2369#true} {2370#false} #572#return; {2370#false} is VALID [2020-07-17 21:25:45,246 INFO L280 TraceCheckUtils]: 54: Hoare triple {2370#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {2370#false} is VALID [2020-07-17 21:25:45,246 INFO L280 TraceCheckUtils]: 55: Hoare triple {2370#false} assume !(0 != ~tmp___1~0); {2370#false} is VALID [2020-07-17 21:25:45,246 INFO L263 TraceCheckUtils]: 56: Hoare triple {2370#false} call __automaton_fail(); {2370#false} is VALID [2020-07-17 21:25:45,247 INFO L280 TraceCheckUtils]: 57: Hoare triple {2370#false} assume !false; {2370#false} is VALID [2020-07-17 21:25:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:25:45,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665881740] [2020-07-17 21:25:45,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:25:45,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 21:25:45,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731819201] [2020-07-17 21:25:45,257 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:25:45,257 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:25:45,258 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 8 states. [2020-07-17 21:25:45,327 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 58 edges. 58 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:25:45,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 21:25:45,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:25:45,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 21:25:45,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 21:25:45,328 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 8 states. [2020-07-17 21:25:46,317 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:25:47,270 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:25:47,664 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:25:47,981 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:25:51,820 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 21:26:06,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:26:06,218 INFO L93 Difference]: Finished difference Result 515 states and 641 transitions. [2020-07-17 21:26:06,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 21:26:06,218 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-07-17 21:26:06,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:26:06,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:26:06,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 641 transitions. [2020-07-17 21:26:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-07-17 21:26:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 641 transitions. [2020-07-17 21:26:06,245 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 10 states and 641 transitions. [2020-07-17 21:26:08,628 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 641 edges. 641 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:26:08,645 INFO L225 Difference]: With dead ends: 515 [2020-07-17 21:26:08,645 INFO L226 Difference]: Without dead ends: 389 [2020-07-17 21:26:08,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-17 21:26:08,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-07-17 21:26:12,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 320. [2020-07-17 21:26:12,128 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:26:12,128 INFO L82 GeneralOperation]: Start isEquivalent. First operand 389 states. Second operand 320 states. [2020-07-17 21:26:12,128 INFO L74 IsIncluded]: Start isIncluded. First operand 389 states. Second operand 320 states. [2020-07-17 21:26:12,129 INFO L87 Difference]: Start difference. First operand 389 states. Second operand 320 states. [2020-07-17 21:26:12,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:26:12,154 INFO L93 Difference]: Finished difference Result 389 states and 481 transitions. [2020-07-17 21:26:12,154 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 481 transitions. [2020-07-17 21:26:12,156 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:26:12,156 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:26:12,156 INFO L74 IsIncluded]: Start isIncluded. First operand 320 states. Second operand 389 states. [2020-07-17 21:26:12,156 INFO L87 Difference]: Start difference. First operand 320 states. Second operand 389 states. [2020-07-17 21:26:12,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:26:12,178 INFO L93 Difference]: Finished difference Result 389 states and 481 transitions. [2020-07-17 21:26:12,178 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 481 transitions. [2020-07-17 21:26:12,180 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:26:12,181 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:26:12,181 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:26:12,181 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:26:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-07-17 21:26:12,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 389 transitions. [2020-07-17 21:26:12,197 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 389 transitions. Word has length 58 [2020-07-17 21:26:12,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:26:12,199 INFO L479 AbstractCegarLoop]: Abstraction has 320 states and 389 transitions. [2020-07-17 21:26:12,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 21:26:12,199 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 389 transitions. [2020-07-17 21:26:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-17 21:26:12,204 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:26:12,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:26:12,205 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 21:26:12,205 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:26:12,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:26:12,205 INFO L82 PathProgramCache]: Analyzing trace with hash -962527068, now seen corresponding path program 1 times [2020-07-17 21:26:12,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:26:12,206 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52597839] [2020-07-17 21:26:12,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:26:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,628 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-17 21:26:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,702 INFO L280 TraceCheckUtils]: 0: Hoare triple {4393#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {4394#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:26:12,702 INFO L280 TraceCheckUtils]: 1: Hoare triple {4394#(<= ~waterLevel~0 1)} assume true; {4394#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:26:12,703 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4394#(<= ~waterLevel~0 1)} {4363#true} #576#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,707 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,708 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #466#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,711 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,712 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #468#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,716 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {4363#true} is VALID [2020-07-17 21:26:12,717 INFO L280 TraceCheckUtils]: 1: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,717 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #470#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,720 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,721 INFO L275 TraceCheckUtils]: 1: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #472#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,739 INFO L280 TraceCheckUtils]: 0: Hoare triple {4395#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {4363#true} is VALID [2020-07-17 21:26:12,740 INFO L280 TraceCheckUtils]: 1: Hoare triple {4363#true} ~systemActive~0 := 0; {4363#true} is VALID [2020-07-17 21:26:12,740 INFO L280 TraceCheckUtils]: 2: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,741 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #524#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {4363#true} is VALID [2020-07-17 21:26:12,745 INFO L280 TraceCheckUtils]: 1: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,746 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #568#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,763 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {4396#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:26:12,764 INFO L280 TraceCheckUtils]: 1: Hoare triple {4396#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {4396#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:26:12,765 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4396#(= |getWaterLevel_#res| ~waterLevel~0)} {4368#(not (= 2 ~waterLevel~0))} #570#return; {4388#(not (= 2 |__utac_acc__Specification3_spec__1_#t~ret38|))} is VALID [2020-07-17 21:26:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 21:26:12,768 INFO L280 TraceCheckUtils]: 0: Hoare triple {4363#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {4363#true} is VALID [2020-07-17 21:26:12,768 INFO L280 TraceCheckUtils]: 1: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,768 INFO L275 TraceCheckUtils]: 2: Hoare quadruple {4363#true} {4364#false} #572#return; {4364#false} is VALID [2020-07-17 21:26:12,773 INFO L263 TraceCheckUtils]: 0: Hoare triple {4363#true} call ULTIMATE.init(); {4393#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} is VALID [2020-07-17 21:26:12,779 INFO L280 TraceCheckUtils]: 1: Hoare triple {4393#(and (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#length)| |#length|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#valid| |old(#valid)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string69.base| |old(#t~string69.base)|))} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string43.base, #t~string43.offset, 1);call write~init~int(77, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(101, #t~string43.base, 2 + #t~string43.offset, 1);call write~init~int(116, #t~string43.base, 3 + #t~string43.offset, 1);call write~init~int(104, #t~string43.base, 4 + #t~string43.offset, 1);call write~init~int(58, #t~string43.base, 5 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 6 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string45.base, #t~string45.offset, 1);call write~init~int(82, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(73, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(84, #t~string45.base, 3 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 4 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(75, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string49.base, #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 1 + #t~string49.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {4394#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:26:12,780 INFO L280 TraceCheckUtils]: 2: Hoare triple {4394#(<= ~waterLevel~0 1)} assume true; {4394#(<= ~waterLevel~0 1)} is VALID [2020-07-17 21:26:12,781 INFO L275 TraceCheckUtils]: 3: Hoare quadruple {4394#(<= ~waterLevel~0 1)} {4363#true} #576#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,782 INFO L263 TraceCheckUtils]: 4: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call #t~ret76 := main(); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,782 INFO L280 TraceCheckUtils]: 5: Hoare triple {4368#(not (= 2 ~waterLevel~0))} havoc ~retValue_acc~0;havoc ~tmp~0; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,783 INFO L263 TraceCheckUtils]: 6: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call select_helpers(); {4363#true} is VALID [2020-07-17 21:26:12,783 INFO L280 TraceCheckUtils]: 7: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,784 INFO L275 TraceCheckUtils]: 8: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #466#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,784 INFO L263 TraceCheckUtils]: 9: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call select_features(); {4363#true} is VALID [2020-07-17 21:26:12,784 INFO L280 TraceCheckUtils]: 10: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,785 INFO L275 TraceCheckUtils]: 11: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #468#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,785 INFO L263 TraceCheckUtils]: 12: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call #t~ret0 := valid_product(); {4363#true} is VALID [2020-07-17 21:26:12,785 INFO L280 TraceCheckUtils]: 13: Hoare triple {4363#true} havoc ~retValue_acc~5;~retValue_acc~5 := 1;#res := ~retValue_acc~5; {4363#true} is VALID [2020-07-17 21:26:12,785 INFO L280 TraceCheckUtils]: 14: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,786 INFO L275 TraceCheckUtils]: 15: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #470#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,787 INFO L280 TraceCheckUtils]: 16: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~ret0 && #t~ret0 <= 2147483647;~tmp~0 := #t~ret0;havoc #t~ret0; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,787 INFO L280 TraceCheckUtils]: 17: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume 0 != ~tmp~0; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,788 INFO L263 TraceCheckUtils]: 18: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call setup(); {4363#true} is VALID [2020-07-17 21:26:12,788 INFO L280 TraceCheckUtils]: 19: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,788 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #472#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,789 INFO L263 TraceCheckUtils]: 21: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call runTest(); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,790 INFO L263 TraceCheckUtils]: 22: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call test(); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,790 INFO L280 TraceCheckUtils]: 23: Hoare triple {4368#(not (= 2 ~waterLevel~0))} havoc ~splverifierCounter~0;havoc ~tmp~10;havoc ~tmp___0~3;havoc ~tmp___1~1;havoc ~tmp___2~0;~splverifierCounter~0 := 0; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,791 INFO L280 TraceCheckUtils]: 24: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !false; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,792 INFO L280 TraceCheckUtils]: 25: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume ~splverifierCounter~0 < 4; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,792 INFO L280 TraceCheckUtils]: 26: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~nondet72 && #t~nondet72 <= 2147483647;~tmp~10 := #t~nondet72;havoc #t~nondet72; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,793 INFO L280 TraceCheckUtils]: 27: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp~10); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,794 INFO L280 TraceCheckUtils]: 28: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~nondet73 && #t~nondet73 <= 2147483647;~tmp___0~3 := #t~nondet73;havoc #t~nondet73; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,794 INFO L280 TraceCheckUtils]: 29: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp___0~3); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,795 INFO L280 TraceCheckUtils]: 30: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~nondet74 && #t~nondet74 <= 2147483647;~tmp___2~0 := #t~nondet74;havoc #t~nondet74; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,796 INFO L280 TraceCheckUtils]: 31: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp___2~0);assume -2147483648 <= #t~nondet75 && #t~nondet75 <= 2147483647;~tmp___1~1 := #t~nondet75;havoc #t~nondet75; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,797 INFO L280 TraceCheckUtils]: 32: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume 0 != ~tmp___1~1; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,797 INFO L263 TraceCheckUtils]: 33: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call stopSystem(); {4395#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} is VALID [2020-07-17 21:26:12,798 INFO L280 TraceCheckUtils]: 34: Hoare triple {4395#(and (= ~systemActive~0 |old(~systemActive~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|))} assume !(0 != ~pumpRunning~0); {4363#true} is VALID [2020-07-17 21:26:12,798 INFO L280 TraceCheckUtils]: 35: Hoare triple {4363#true} ~systemActive~0 := 0; {4363#true} is VALID [2020-07-17 21:26:12,798 INFO L280 TraceCheckUtils]: 36: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,799 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #524#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,799 INFO L263 TraceCheckUtils]: 38: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call timeShift(); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,800 INFO L280 TraceCheckUtils]: 39: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !(0 != ~pumpRunning~0); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,801 INFO L280 TraceCheckUtils]: 40: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !(0 != ~systemActive~0); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,802 INFO L263 TraceCheckUtils]: 41: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call __utac_acc__Specification3_spec__1(); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,802 INFO L280 TraceCheckUtils]: 42: Hoare triple {4368#(not (= 2 ~waterLevel~0))} havoc ~tmp~4;havoc ~tmp___0~0;havoc ~tmp___1~0; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,803 INFO L263 TraceCheckUtils]: 43: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call #t~ret37 := isMethaneLevelCritical(); {4363#true} is VALID [2020-07-17 21:26:12,803 INFO L280 TraceCheckUtils]: 44: Hoare triple {4363#true} havoc ~retValue_acc~6;~retValue_acc~6 := ~methaneLevelCritical~0;#res := ~retValue_acc~6; {4363#true} is VALID [2020-07-17 21:26:12,803 INFO L280 TraceCheckUtils]: 45: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,804 INFO L275 TraceCheckUtils]: 46: Hoare quadruple {4363#true} {4368#(not (= 2 ~waterLevel~0))} #568#return; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,805 INFO L280 TraceCheckUtils]: 47: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume -2147483648 <= #t~ret37 && #t~ret37 <= 2147483647;~tmp~4 := #t~ret37;havoc #t~ret37; {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,805 INFO L280 TraceCheckUtils]: 48: Hoare triple {4368#(not (= 2 ~waterLevel~0))} assume !(0 != ~tmp~4); {4368#(not (= 2 ~waterLevel~0))} is VALID [2020-07-17 21:26:12,805 INFO L263 TraceCheckUtils]: 49: Hoare triple {4368#(not (= 2 ~waterLevel~0))} call #t~ret38 := getWaterLevel(); {4363#true} is VALID [2020-07-17 21:26:12,806 INFO L280 TraceCheckUtils]: 50: Hoare triple {4363#true} havoc ~retValue_acc~7;~retValue_acc~7 := ~waterLevel~0;#res := ~retValue_acc~7; {4396#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:26:12,807 INFO L280 TraceCheckUtils]: 51: Hoare triple {4396#(= |getWaterLevel_#res| ~waterLevel~0)} assume true; {4396#(= |getWaterLevel_#res| ~waterLevel~0)} is VALID [2020-07-17 21:26:12,808 INFO L275 TraceCheckUtils]: 52: Hoare quadruple {4396#(= |getWaterLevel_#res| ~waterLevel~0)} {4368#(not (= 2 ~waterLevel~0))} #570#return; {4388#(not (= 2 |__utac_acc__Specification3_spec__1_#t~ret38|))} is VALID [2020-07-17 21:26:12,809 INFO L280 TraceCheckUtils]: 53: Hoare triple {4388#(not (= 2 |__utac_acc__Specification3_spec__1_#t~ret38|))} assume -2147483648 <= #t~ret38 && #t~ret38 <= 2147483647;~tmp___0~0 := #t~ret38;havoc #t~ret38; {4389#(not (= 2 __utac_acc__Specification3_spec__1_~tmp___0~0))} is VALID [2020-07-17 21:26:12,810 INFO L280 TraceCheckUtils]: 54: Hoare triple {4389#(not (= 2 __utac_acc__Specification3_spec__1_~tmp___0~0))} assume 2 == ~tmp___0~0; {4364#false} is VALID [2020-07-17 21:26:12,810 INFO L263 TraceCheckUtils]: 55: Hoare triple {4364#false} call #t~ret39 := isPumpRunning(); {4363#true} is VALID [2020-07-17 21:26:12,810 INFO L280 TraceCheckUtils]: 56: Hoare triple {4363#true} havoc ~retValue_acc~11;~retValue_acc~11 := ~pumpRunning~0;#res := ~retValue_acc~11; {4363#true} is VALID [2020-07-17 21:26:12,810 INFO L280 TraceCheckUtils]: 57: Hoare triple {4363#true} assume true; {4363#true} is VALID [2020-07-17 21:26:12,811 INFO L275 TraceCheckUtils]: 58: Hoare quadruple {4363#true} {4364#false} #572#return; {4364#false} is VALID [2020-07-17 21:26:12,811 INFO L280 TraceCheckUtils]: 59: Hoare triple {4364#false} assume -2147483648 <= #t~ret39 && #t~ret39 <= 2147483647;~tmp___1~0 := #t~ret39;havoc #t~ret39; {4364#false} is VALID [2020-07-17 21:26:12,811 INFO L280 TraceCheckUtils]: 60: Hoare triple {4364#false} assume !(0 != ~tmp___1~0); {4364#false} is VALID [2020-07-17 21:26:12,811 INFO L263 TraceCheckUtils]: 61: Hoare triple {4364#false} call __automaton_fail(); {4364#false} is VALID [2020-07-17 21:26:12,812 INFO L280 TraceCheckUtils]: 62: Hoare triple {4364#false} assume !false; {4364#false} is VALID [2020-07-17 21:26:12,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 21:26:12,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52597839] [2020-07-17 21:26:12,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 21:26:12,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 21:26:12,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557209252] [2020-07-17 21:26:12,824 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-07-17 21:26:12,824 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-17 21:26:12,825 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 9 states. [2020-07-17 21:26:12,904 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:26:12,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 21:26:12,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 21:26:12,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 21:26:12,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 21:26:12,905 INFO L87 Difference]: Start difference. First operand 320 states and 389 transitions. Second operand 9 states. [2020-07-17 21:26:13,806 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:26:24,322 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:26:25,787 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:26:26,696 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 21:26:27,327 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-17 21:26:29,241 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-17 21:26:37,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:26:37,710 INFO L93 Difference]: Finished difference Result 1017 states and 1385 transitions. [2020-07-17 21:26:37,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 21:26:37,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-07-17 21:26:37,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 21:26:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 21:26:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2020-07-17 21:26:37,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-07-17 21:26:37,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 645 transitions. [2020-07-17 21:26:37,737 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 12 states and 645 transitions. [2020-07-17 21:26:40,219 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 645 edges. 645 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-17 21:26:40,264 INFO L225 Difference]: With dead ends: 1017 [2020-07-17 21:26:40,264 INFO L226 Difference]: Without dead ends: 721 [2020-07-17 21:26:40,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-17 21:26:40,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2020-07-17 21:26:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 605. [2020-07-17 21:26:46,526 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-17 21:26:46,526 INFO L82 GeneralOperation]: Start isEquivalent. First operand 721 states. Second operand 605 states. [2020-07-17 21:26:46,526 INFO L74 IsIncluded]: Start isIncluded. First operand 721 states. Second operand 605 states. [2020-07-17 21:26:46,527 INFO L87 Difference]: Start difference. First operand 721 states. Second operand 605 states. [2020-07-17 21:26:46,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:26:46,568 INFO L93 Difference]: Finished difference Result 721 states and 972 transitions. [2020-07-17 21:26:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 972 transitions. [2020-07-17 21:26:46,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:26:46,572 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:26:46,572 INFO L74 IsIncluded]: Start isIncluded. First operand 605 states. Second operand 721 states. [2020-07-17 21:26:46,572 INFO L87 Difference]: Start difference. First operand 605 states. Second operand 721 states. [2020-07-17 21:26:46,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 21:26:46,615 INFO L93 Difference]: Finished difference Result 721 states and 972 transitions. [2020-07-17 21:26:46,616 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 972 transitions. [2020-07-17 21:26:46,619 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 21:26:46,620 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-17 21:26:46,620 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-17 21:26:46,620 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-17 21:26:46,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2020-07-17 21:26:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 759 transitions. [2020-07-17 21:26:46,653 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 759 transitions. Word has length 63 [2020-07-17 21:26:46,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 21:26:46,653 INFO L479 AbstractCegarLoop]: Abstraction has 605 states and 759 transitions. [2020-07-17 21:26:46,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 21:26:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 759 transitions. [2020-07-17 21:26:46,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-07-17 21:26:46,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 21:26:46,656 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 21:26:46,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 21:26:46,657 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 21:26:46,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 21:26:46,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1151554506, now seen corresponding path program 1 times [2020-07-17 21:26:46,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 21:26:46,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596771605] [2020-07-17 21:26:46,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 21:26:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:26:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 21:26:46,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 21:26:46,844 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 21:26:46,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 21:26:46,981 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: select_helpersFINAL has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: valid_productENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: Specification2ENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: stopSystemENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: isPumpRunningENTRY has no Hoare annotation [2020-07-17 21:26:46,982 WARN L170 areAnnotationChecker]: isLowWaterLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: printPumpENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: select_featuresFINAL has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: runTestENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: isMethaneAlarmENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: deactivatePumpENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: isHighWaterSensorDryENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: processEnvironmentENTRY has no Hoare annotation [2020-07-17 21:26:46,983 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseFINAL has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: testENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: __utac__get_this_argENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: isLowWaterSensorDryENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: select_oneENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: printEnvironmentENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: activatePumpENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intENTRY has no Hoare annotation [2020-07-17 21:26:46,984 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: changeMethaneLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: getWaterLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: isHighWaterLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: cleanupENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1ENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: timeShiftENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: lowerWaterLevelENTRY has no Hoare annotation [2020-07-17 21:26:46,985 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:26:46,986 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 21:26:46,986 WARN L170 areAnnotationChecker]: setupFINAL has no Hoare annotation [2020-07-17 21:26:46,986 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__highWaterSensorENTRY has no Hoare annotation [2020-07-17 21:26:46,986 WARN L170 areAnnotationChecker]: startSystemENTRY has no Hoare annotation [2020-07-17 21:26:46,986 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:26:46,988 WARN L170 areAnnotationChecker]: waterRiseENTRY has no Hoare annotation [2020-07-17 21:26:46,988 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:26:46,988 WARN L170 areAnnotationChecker]: __automaton_failENTRY has no Hoare annotation [2020-07-17 21:26:46,988 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__lowWaterSensorENTRY has no Hoare annotation [2020-07-17 21:26:46,988 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: L221-2 has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: L278-2 has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: select_helpersEXIT has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: valid_productFINAL has no Hoare annotation [2020-07-17 21:26:46,989 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L126 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L922 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L922 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L920 has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: isPumpRunningFINAL has no Hoare annotation [2020-07-17 21:26:46,990 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-17 21:26:46,991 WARN L170 areAnnotationChecker]: L904 has no Hoare annotation [2020-07-17 21:26:46,991 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:26:46,991 WARN L170 areAnnotationChecker]: L849 has no Hoare annotation [2020-07-17 21:26:46,991 WARN L170 areAnnotationChecker]: select_featuresEXIT has no Hoare annotation [2020-07-17 21:26:46,991 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_setFINAL has no Hoare annotation [2020-07-17 21:26:46,991 WARN L170 areAnnotationChecker]: runTestFINAL has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L477 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L827 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: deactivatePumpFINAL has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L670 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-17 21:26:47,018 WARN L170 areAnnotationChecker]: L785 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__baseEXIT has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L997 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L997 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L997 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L431 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: isLowWaterSensorDryFINAL has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-17 21:26:47,019 WARN L170 areAnnotationChecker]: L338 has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: select_oneFINAL has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: L642 has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: activatePumpFINAL has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intFINAL has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: L617-1 has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: getWaterLevelFINAL has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: L885 has no Hoare annotation [2020-07-17 21:26:47,020 WARN L170 areAnnotationChecker]: L885 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L556 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L703 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-17 21:26:47,021 WARN L170 areAnnotationChecker]: L701 has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: L593-1 has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: setupEXIT has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: L733 has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: startSystemFINAL has no Hoare annotation [2020-07-17 21:26:47,022 WARN L170 areAnnotationChecker]: L605-1 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: __automaton_failFINAL has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L759 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L243 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L222 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L304 has no Hoare annotation [2020-07-17 21:26:47,023 WARN L170 areAnnotationChecker]: L279 has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: L126-1 has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: valid_productEXIT has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: stopSystemFINAL has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: isPumpRunningEXIT has no Hoare annotation [2020-07-17 21:26:47,024 WARN L170 areAnnotationChecker]: L904-1 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L849-2 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L127 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: runTestEXIT has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L483 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L483 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L477-1 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: L827-1 has no Hoare annotation [2020-07-17 21:26:47,025 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: deactivatePumpEXIT has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: isHighWaterSensorDryFINAL has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L787 has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L800 has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L748-1 has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L1000 has no Hoare annotation [2020-07-17 21:26:47,026 WARN L170 areAnnotationChecker]: L1000 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L951 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L437 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L437 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L431-1 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: isLowWaterSensorDryEXIT has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: __utac__error_stack_mgtFINAL has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:26:47,027 WARN L170 areAnnotationChecker]: L343 has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: L642-2 has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: activatePumpEXIT has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: ##fun~int~X~int~TO~intEXIT has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: getWaterLevelEXIT has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: L885-1 has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: L556-1 has no Hoare annotation [2020-07-17 21:26:47,028 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L710 has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L710 has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L708 has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L708 has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: lowerWaterLevelEXIT has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L132-1 has no Hoare annotation [2020-07-17 21:26:47,029 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: L735 has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: L748 has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: L748 has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: startSystemEXIT has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: __automaton_failEXIT has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: L761 has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: L761 has no Hoare annotation [2020-07-17 21:26:47,030 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L774 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeFINAL has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetFINAL has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L284 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-17 21:26:47,031 WARN L170 areAnnotationChecker]: L82 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: stopSystemEXIT has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: L566-1 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: L906 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: L861 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: L130-1 has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: __utac__get_this_argtypeFINAL has no Hoare annotation [2020-07-17 21:26:47,032 WARN L170 areAnnotationChecker]: isMethaneAlarmFINAL has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: L800-1 has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: L774-1 has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: isHighWaterSensorDryEXIT has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: L787-1 has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__highWaterSensorEXIT has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__highWaterSensorEXIT has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: testFINAL has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: L952 has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: __utac__get_this_argFINAL has no Hoare annotation [2020-07-17 21:26:47,033 WARN L170 areAnnotationChecker]: L360 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L360 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: printEnvironmentFINAL has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L297-1 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L90 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L970-1 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L562-1 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L887 has no Hoare annotation [2020-07-17 21:26:47,034 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L558 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L558 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L735-1 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L988-1 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L988-1 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-17 21:26:47,035 WARN L170 areAnnotationChecker]: L86 has no Hoare annotation [2020-07-17 21:26:47,036 WARN L170 areAnnotationChecker]: L960-1 has no Hoare annotation [2020-07-17 21:26:47,036 WARN L170 areAnnotationChecker]: L564-1 has no Hoare annotation [2020-07-17 21:26:47,036 WARN L170 areAnnotationChecker]: L761-1 has no Hoare annotation [2020-07-17 21:26:47,036 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_freeEXIT has no Hoare annotation [2020-07-17 21:26:47,036 WARN L170 areAnnotationChecker]: L227-1 has no Hoare annotation [2020-07-17 21:26:47,037 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:26:47,037 WARN L170 areAnnotationChecker]: __utac__exception__cf_handler_resetEXIT has no Hoare annotation [2020-07-17 21:26:47,037 WARN L170 areAnnotationChecker]: L284-1 has no Hoare annotation [2020-07-17 21:26:47,037 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-17 21:26:47,037 WARN L170 areAnnotationChecker]: L130 has no Hoare annotation [2020-07-17 21:26:47,038 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-17 21:26:47,038 WARN L170 areAnnotationChecker]: L83 has no Hoare annotation [2020-07-17 21:26:47,038 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-17 21:26:47,038 WARN L170 areAnnotationChecker]: L568 has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: L906-2 has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: L861-2 has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: isMethaneAlarmEXIT has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: processEnvironmentEXIT has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__lowWaterSensorEXIT has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: processEnvironment__wrappee__lowWaterSensorEXIT has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: L789 has no Hoare annotation [2020-07-17 21:26:47,039 WARN L170 areAnnotationChecker]: testEXIT has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L960 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L363-2 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L363-2 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L363-2 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L402 has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: printEnvironmentEXIT has no Hoare annotation [2020-07-17 21:26:47,040 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L91 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L980 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L980 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L564 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L887-2 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L67 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L53 has no Hoare annotation [2020-07-17 21:26:47,041 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: L562 has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-17 21:26:47,042 WARN L170 areAnnotationChecker]: L737 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L970 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: __utac_acc__Specification3_spec__1EXIT has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L763 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L379-1 has no Hoare annotation [2020-07-17 21:26:47,043 WARN L170 areAnnotationChecker]: L395-1 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L297 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L132 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: L572 has no Hoare annotation [2020-07-17 21:26:47,044 WARN L170 areAnnotationChecker]: isLowWaterLevelFINAL has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L872 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L791 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L795 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L962 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L962 has no Hoare annotation [2020-07-17 21:26:47,045 WARN L170 areAnnotationChecker]: L384 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L364 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L403 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L872-1 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L982 has no Hoare annotation [2020-07-17 21:26:47,046 WARN L170 areAnnotationChecker]: L982 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L988 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L566 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: isHighWaterLevelFINAL has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L56 has no Hoare annotation [2020-07-17 21:26:47,047 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L88 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L63 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L739 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L743 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L743 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L972 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L972 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L765 has no Hoare annotation [2020-07-17 21:26:47,048 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L769 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L85 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: isLowWaterLevelEXIT has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L395 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L395 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L365 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: printPumpFINAL has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:26:47,049 WARN L170 areAnnotationChecker]: L93 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L990 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L990 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: isHighWaterLevelEXIT has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: Specification2FINAL has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L56-1 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-17 21:26:47,050 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: L379 has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,051 WARN L170 areAnnotationChecker]: printPumpEXIT has no Hoare annotation [2020-07-17 21:26:47,052 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-17 21:26:47,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 09:26:47 BoogieIcfgContainer [2020-07-17 21:26:47,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 21:26:47,068 INFO L168 Benchmark]: Toolchain (without parser) took 84776.83 ms. Allocated memory was 146.3 MB in the beginning and 788.5 MB in the end (delta: 642.3 MB). Free memory was 103.1 MB in the beginning and 727.6 MB in the end (delta: -624.4 MB). Peak memory consumption was 665.5 MB. Max. memory is 7.1 GB. [2020-07-17 21:26:47,070 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-07-17 21:26:47,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 716.39 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 164.1 MB in the end (delta: -61.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2020-07-17 21:26:47,076 INFO L168 Benchmark]: Boogie Preprocessor took 164.32 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 158.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2020-07-17 21:26:47,077 INFO L168 Benchmark]: RCFGBuilder took 2007.20 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 158.1 MB in the beginning and 209.5 MB in the end (delta: -51.4 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. [2020-07-17 21:26:47,077 INFO L168 Benchmark]: TraceAbstraction took 81882.06 ms. Allocated memory was 245.9 MB in the beginning and 788.5 MB in the end (delta: 542.6 MB). Free memory was 209.5 MB in the beginning and 727.6 MB in the end (delta: -518.0 MB). Peak memory consumption was 672.2 MB. Max. memory is 7.1 GB. [2020-07-17 21:26:47,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 716.39 ms. Allocated memory was 146.3 MB in the beginning and 202.9 MB in the end (delta: 56.6 MB). Free memory was 102.9 MB in the beginning and 164.1 MB in the end (delta: -61.2 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.32 ms. Allocated memory is still 202.9 MB. Free memory was 164.1 MB in the beginning and 158.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2007.20 ms. Allocated memory was 202.9 MB in the beginning and 245.9 MB in the end (delta: 43.0 MB). Free memory was 158.1 MB in the beginning and 209.5 MB in the end (delta: -51.4 MB). Peak memory consumption was 106.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 81882.06 ms. Allocated memory was 245.9 MB in the beginning and 788.5 MB in the end (delta: 542.6 MB). Free memory was 209.5 MB in the beginning and 727.6 MB in the end (delta: -518.0 MB). Peak memory consumption was 672.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1013]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L313] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L587] int waterLevel = 1; [L588] int methaneLevelCritical = 0; [L694] int pumpRunning = 0; [L695] int systemActive = 1; VAL [\old(cleanupTimeShifts)=169, \old(head)=161, \old(head)=176, \old(methaneLevelCritical)=144, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=139, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [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] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] 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] [L941] int splverifierCounter ; [L942] int tmp ; [L943] int tmp___0 ; [L944] int tmp___1 ; [L945] int tmp___2 ; [L948] 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] [L950] 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] [L952] 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] [L958] tmp = __VERIFIER_nondet_int() [L960] 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] [L962] 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] [L605] COND TRUE waterLevel < 2 [L606] 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] [L962] 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] [L968] tmp___0 = __VERIFIER_nondet_int() [L970] 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] [L978] tmp___2 = __VERIFIER_nondet_int() [L980] COND FALSE !(\read(tmp___2)) [L986] tmp___1 = __VERIFIER_nondet_int() [L988] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L990] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L920] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L927] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L990] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L997] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L701] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L708] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L716] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L550] int tmp ; [L551] int tmp___0 ; [L552] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L626] int retValue_acc ; [L629] retValue_acc = methaneLevelCritical [L630] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L556] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L556] tmp = isMethaneLevelCritical() [L558] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L562] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L658] int retValue_acc ; [L661] retValue_acc = waterLevel [L662] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L562] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L562] tmp___0 = getWaterLevel() [L564] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L566] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L834] int retValue_acc ; [L837] retValue_acc = pumpRunning [L838] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L566] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L566] tmp___1 = isPumpRunning() [L568] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L572] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L1013] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 258 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 81.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 65.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 600 SDtfs, 1144 SDslu, 412 SDs, 0 SdLazy, 2417 SolverSat, 737 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=605occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 13.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 252 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 64498 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...