java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 06:05:58,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 06:05:58,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 06:05:58,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 06:05:58,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 06:05:58,282 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 06:05:58,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 06:05:58,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 06:05:58,287 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 06:05:58,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 06:05:58,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 06:05:58,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 06:05:58,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 06:05:58,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 06:05:58,292 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 06:05:58,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 06:05:58,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 06:05:58,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 06:05:58,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 06:05:58,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 06:05:58,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 06:05:58,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 06:05:58,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 06:05:58,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 06:05:58,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 06:05:58,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 06:05:58,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 06:05:58,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 06:05:58,305 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 06:05:58,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 06:05:58,306 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 06:05:58,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 06:05:58,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 06:05:58,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 06:05:58,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 06:05:58,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 06:05:58,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 06:05:58,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 06:05:58,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 06:05:58,311 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 06:05:58,312 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 06:05:58,312 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 06:05:58,326 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 06:05:58,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 06:05:58,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 06:05:58,328 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 06:05:58,328 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 06:05:58,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 06:05:58,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 06:05:58,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 06:05:58,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 06:05:58,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 06:05:58,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 06:05:58,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 06:05:58,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 06:05:58,329 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 06:05:58,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 06:05:58,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 06:05:58,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 06:05:58,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 06:05:58,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 06:05:58,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 06:05:58,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 06:05:58,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:05:58,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 06:05:58,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 06:05:58,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 06:05:58,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 06:05:58,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 06:05:58,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 06:05:58,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 06:05:58,360 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 06:05:58,372 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 06:05:58,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 06:05:58,377 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 06:05:58,377 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 06:05:58,378 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c [2019-09-08 06:05:58,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e603ed2/331a54fa63f64ba28afecac68239c9e3/FLAGd8f8515df [2019-09-08 06:05:58,933 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 06:05:58,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product39.cil.c [2019-09-08 06:05:58,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e603ed2/331a54fa63f64ba28afecac68239c9e3/FLAGd8f8515df [2019-09-08 06:05:59,285 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00e603ed2/331a54fa63f64ba28afecac68239c9e3 [2019-09-08 06:05:59,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 06:05:59,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 06:05:59,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 06:05:59,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 06:05:59,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 06:05:59,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:05:59,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1677a6f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59, skipping insertion in model container [2019-09-08 06:05:59,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:05:59,314 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 06:05:59,362 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 06:05:59,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:05:59,776 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 06:05:59,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 06:05:59,941 INFO L192 MainTranslator]: Completed translation [2019-09-08 06:05:59,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59 WrapperNode [2019-09-08 06:05:59,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 06:05:59,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 06:05:59,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 06:05:59,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 06:05:59,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:05:59,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:05:59,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:05:59,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:06:00,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:06:00,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:06:00,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... [2019-09-08 06:06:00,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 06:06:00,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 06:06:00,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 06:06:00,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 06:06:00,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 06:06:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 06:06:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 06:06:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 06:06:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 06:06:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 06:06:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 06:06:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 06:06:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 06:06:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 06:06:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-08 06:06:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 06:06:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-08 06:06:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-08 06:06:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-08 06:06:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-08 06:06:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-08 06:06:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-08 06:06:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-08 06:06:00,114 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 06:06:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-08 06:06:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-08 06:06:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:06:00,115 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-08 06:06:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-08 06:06:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-08 06:06:00,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-08 06:06:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-08 06:06:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-08 06:06:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-08 06:06:00,117 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-08 06:06:00,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 06:06:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-08 06:06:00,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 06:06:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 06:06:00,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 06:06:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 06:06:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 06:06:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 06:06:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 06:06:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 06:06:00,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 06:06:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 06:06:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 06:06:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 06:06:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 06:06:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 06:06:00,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 06:06:00,122 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 06:06:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-08 06:06:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-08 06:06:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-08 06:06:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-08 06:06:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-08 06:06:00,123 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-08 06:06:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-08 06:06:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-08 06:06:00,124 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-08 06:06:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-08 06:06:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-08 06:06:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-08 06:06:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 06:06:00,125 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-08 06:06:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-08 06:06:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-08 06:06:00,126 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-08 06:06:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-08 06:06:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-08 06:06:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-08 06:06:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-08 06:06:00,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 06:06:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 06:06:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 06:06:00,128 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 06:06:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-08 06:06:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 06:06:00,129 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-08 06:06:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 06:06:00,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 06:06:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 06:06:00,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 06:06:01,259 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 06:06:01,260 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-08 06:06:01,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:06:01 BoogieIcfgContainer [2019-09-08 06:06:01,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 06:06:01,262 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 06:06:01,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 06:06:01,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 06:06:01,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:05:59" (1/3) ... [2019-09-08 06:06:01,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d477ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:06:01, skipping insertion in model container [2019-09-08 06:06:01,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:05:59" (2/3) ... [2019-09-08 06:06:01,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d477ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:06:01, skipping insertion in model container [2019-09-08 06:06:01,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:06:01" (3/3) ... [2019-09-08 06:06:01,271 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product39.cil.c [2019-09-08 06:06:01,284 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 06:06:01,293 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 06:06:01,310 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 06:06:01,349 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 06:06:01,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 06:06:01,349 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 06:06:01,350 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 06:06:01,350 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 06:06:01,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 06:06:01,350 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 06:06:01,350 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 06:06:01,350 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 06:06:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2019-09-08 06:06:01,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-08 06:06:01,381 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:01,382 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:01,385 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:01,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:01,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1081228888, now seen corresponding path program 1 times [2019-09-08 06:06:01,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:01,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:01,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:01,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:01,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:01,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:01,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 06:06:01,710 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 06:06:01,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 06:06:01,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:06:01,727 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2019-09-08 06:06:01,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:01,769 INFO L93 Difference]: Finished difference Result 258 states and 323 transitions. [2019-09-08 06:06:01,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 06:06:01,771 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-08 06:06:01,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:01,784 INFO L225 Difference]: With dead ends: 258 [2019-09-08 06:06:01,784 INFO L226 Difference]: Without dead ends: 129 [2019-09-08 06:06:01,789 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 06:06:01,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2019-09-08 06:06:01,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2019-09-08 06:06:01,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-09-08 06:06:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2019-09-08 06:06:01,844 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2019-09-08 06:06:01,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:01,845 INFO L475 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2019-09-08 06:06:01,845 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 06:06:01,845 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2019-09-08 06:06:01,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-08 06:06:01,849 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:01,849 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:01,849 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:01,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:01,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1618039840, now seen corresponding path program 1 times [2019-09-08 06:06:01,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:01,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:01,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:01,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:01,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:01,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:01,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:01,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 06:06:01,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 06:06:01,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 06:06:01,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:06:01,947 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 3 states. [2019-09-08 06:06:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:01,968 INFO L93 Difference]: Finished difference Result 201 states and 237 transitions. [2019-09-08 06:06:01,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 06:06:01,969 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-08 06:06:01,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:01,971 INFO L225 Difference]: With dead ends: 201 [2019-09-08 06:06:01,972 INFO L226 Difference]: Without dead ends: 120 [2019-09-08 06:06:01,973 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 06:06:01,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-09-08 06:06:01,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-09-08 06:06:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-09-08 06:06:01,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2019-09-08 06:06:01,987 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2019-09-08 06:06:01,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:01,987 INFO L475 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2019-09-08 06:06:01,987 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 06:06:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2019-09-08 06:06:01,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-08 06:06:01,990 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:01,990 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:01,990 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:01,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:01,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1339561462, now seen corresponding path program 1 times [2019-09-08 06:06:01,991 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:01,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:01,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:01,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:01,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:02,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:02,156 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:02,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:06:02,157 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:06:02,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:06:02,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:06:02,157 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 7 states. [2019-09-08 06:06:02,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:02,634 INFO L93 Difference]: Finished difference Result 362 states and 441 transitions. [2019-09-08 06:06:02,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 06:06:02,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-09-08 06:06:02,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:02,642 INFO L225 Difference]: With dead ends: 362 [2019-09-08 06:06:02,642 INFO L226 Difference]: Without dead ends: 266 [2019-09-08 06:06:02,646 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-08 06:06:02,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-09-08 06:06:02,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 258. [2019-09-08 06:06:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2019-09-08 06:06:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 314 transitions. [2019-09-08 06:06:02,712 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 314 transitions. Word has length 51 [2019-09-08 06:06:02,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:02,712 INFO L475 AbstractCegarLoop]: Abstraction has 258 states and 314 transitions. [2019-09-08 06:06:02,712 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:06:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2019-09-08 06:06:02,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-08 06:06:02,720 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:02,720 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:02,720 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:02,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:02,721 INFO L82 PathProgramCache]: Analyzing trace with hash 857479477, now seen corresponding path program 1 times [2019-09-08 06:06:02,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:02,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:02,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:02,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:02,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:02,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:02,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:06:02,912 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:06:02,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:06:02,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:06:02,913 INFO L87 Difference]: Start difference. First operand 258 states and 314 transitions. Second operand 6 states. [2019-09-08 06:06:03,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:03,119 INFO L93 Difference]: Finished difference Result 711 states and 890 transitions. [2019-09-08 06:06:03,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:06:03,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-09-08 06:06:03,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:03,124 INFO L225 Difference]: With dead ends: 711 [2019-09-08 06:06:03,124 INFO L226 Difference]: Without dead ends: 477 [2019-09-08 06:06:03,126 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-08 06:06:03,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-09-08 06:06:03,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 471. [2019-09-08 06:06:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-09-08 06:06:03,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 578 transitions. [2019-09-08 06:06:03,167 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 578 transitions. Word has length 57 [2019-09-08 06:06:03,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:03,168 INFO L475 AbstractCegarLoop]: Abstraction has 471 states and 578 transitions. [2019-09-08 06:06:03,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:06:03,168 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 578 transitions. [2019-09-08 06:06:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-08 06:06:03,174 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:03,174 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:03,174 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:03,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:03,176 INFO L82 PathProgramCache]: Analyzing trace with hash -690329863, now seen corresponding path program 1 times [2019-09-08 06:06:03,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:03,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:03,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:03,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:03,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:03,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:03,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 06:06:03,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 06:06:03,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 06:06:03,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:06:03,291 INFO L87 Difference]: Start difference. First operand 471 states and 578 transitions. Second operand 7 states. [2019-09-08 06:06:03,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:03,899 INFO L93 Difference]: Finished difference Result 1236 states and 1631 transitions. [2019-09-08 06:06:03,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 06:06:03,899 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-09-08 06:06:03,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:03,905 INFO L225 Difference]: With dead ends: 1236 [2019-09-08 06:06:03,906 INFO L226 Difference]: Without dead ends: 789 [2019-09-08 06:06:03,908 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-08 06:06:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-09-08 06:06:03,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 693. [2019-09-08 06:06:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 693 states. [2019-09-08 06:06:03,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 847 transitions. [2019-09-08 06:06:03,988 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 847 transitions. Word has length 61 [2019-09-08 06:06:03,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:03,988 INFO L475 AbstractCegarLoop]: Abstraction has 693 states and 847 transitions. [2019-09-08 06:06:03,988 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 06:06:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 847 transitions. [2019-09-08 06:06:03,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:06:03,991 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:03,991 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:03,991 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:03,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:03,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1573489665, now seen corresponding path program 1 times [2019-09-08 06:06:03,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:03,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:03,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:03,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:03,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:04,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:04,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:04,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 06:06:04,089 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 06:06:04,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 06:06:04,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:06:04,090 INFO L87 Difference]: Start difference. First operand 693 states and 847 transitions. Second operand 4 states. [2019-09-08 06:06:04,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:04,381 INFO L93 Difference]: Finished difference Result 2548 states and 3328 transitions. [2019-09-08 06:06:04,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 06:06:04,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2019-09-08 06:06:04,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:04,393 INFO L225 Difference]: With dead ends: 2548 [2019-09-08 06:06:04,393 INFO L226 Difference]: Without dead ends: 1879 [2019-09-08 06:06:04,397 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 06:06:04,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1879 states. [2019-09-08 06:06:04,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1833. [2019-09-08 06:06:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2019-09-08 06:06:04,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2329 transitions. [2019-09-08 06:06:04,539 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2329 transitions. Word has length 83 [2019-09-08 06:06:04,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:04,540 INFO L475 AbstractCegarLoop]: Abstraction has 1833 states and 2329 transitions. [2019-09-08 06:06:04,540 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 06:06:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2329 transitions. [2019-09-08 06:06:04,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:06:04,545 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:04,545 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:04,546 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:04,546 INFO L82 PathProgramCache]: Analyzing trace with hash 547997666, now seen corresponding path program 1 times [2019-09-08 06:06:04,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:04,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:04,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:04,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:04,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:04,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:04,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:04,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 06:06:04,659 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 06:06:04,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 06:06:04,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 06:06:04,660 INFO L87 Difference]: Start difference. First operand 1833 states and 2329 transitions. Second operand 6 states. [2019-09-08 06:06:04,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:04,824 INFO L93 Difference]: Finished difference Result 3702 states and 4814 transitions. [2019-09-08 06:06:04,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 06:06:04,824 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-09-08 06:06:04,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:04,836 INFO L225 Difference]: With dead ends: 3702 [2019-09-08 06:06:04,836 INFO L226 Difference]: Without dead ends: 1893 [2019-09-08 06:06:04,843 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 06:06:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1893 states. [2019-09-08 06:06:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1893 to 1893. [2019-09-08 06:06:04,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2019-09-08 06:06:04,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2393 transitions. [2019-09-08 06:06:04,960 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2393 transitions. Word has length 83 [2019-09-08 06:06:04,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:04,960 INFO L475 AbstractCegarLoop]: Abstraction has 1893 states and 2393 transitions. [2019-09-08 06:06:04,961 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 06:06:04,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2393 transitions. [2019-09-08 06:06:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-08 06:06:04,967 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:04,967 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:04,967 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:04,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:04,968 INFO L82 PathProgramCache]: Analyzing trace with hash 570629920, now seen corresponding path program 1 times [2019-09-08 06:06:04,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:04,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:04,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:04,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:04,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 06:06:05,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-08 06:06:05,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 06:06:05,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 06:06:05,055 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 06:06:05,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 06:06:05,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:06:05,057 INFO L87 Difference]: Start difference. First operand 1893 states and 2393 transitions. Second operand 8 states. [2019-09-08 06:06:05,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 06:06:05,158 INFO L93 Difference]: Finished difference Result 3520 states and 4588 transitions. [2019-09-08 06:06:05,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 06:06:05,159 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2019-09-08 06:06:05,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 06:06:05,174 INFO L225 Difference]: With dead ends: 3520 [2019-09-08 06:06:05,174 INFO L226 Difference]: Without dead ends: 1651 [2019-09-08 06:06:05,184 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 06:06:05,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1651 states. [2019-09-08 06:06:05,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1651 to 1651. [2019-09-08 06:06:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1651 states. [2019-09-08 06:06:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 2047 transitions. [2019-09-08 06:06:05,290 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 2047 transitions. Word has length 83 [2019-09-08 06:06:05,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 06:06:05,291 INFO L475 AbstractCegarLoop]: Abstraction has 1651 states and 2047 transitions. [2019-09-08 06:06:05,291 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 06:06:05,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 2047 transitions. [2019-09-08 06:06:05,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-09-08 06:06:05,297 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 06:06:05,297 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 06:06:05,299 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 06:06:05,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 06:06:05,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1146127589, now seen corresponding path program 1 times [2019-09-08 06:06:05,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 06:06:05,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 06:06:05,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:05,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 06:06:05,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 06:06:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:06:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-08 06:06:06,586 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-08 06:06:06,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:06:06 BoogieIcfgContainer [2019-09-08 06:06:06,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-08 06:06:06,720 INFO L168 Benchmark]: Toolchain (without parser) took 7422.28 ms. Allocated memory was 132.1 MB in the beginning and 341.8 MB in the end (delta: 209.7 MB). Free memory was 87.5 MB in the beginning and 229.1 MB in the end (delta: -141.6 MB). Peak memory consumption was 230.2 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:06,720 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-08 06:06:06,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.32 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 163.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:06,722 INFO L168 Benchmark]: Boogie Preprocessor took 92.95 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:06,723 INFO L168 Benchmark]: RCFGBuilder took 1225.98 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.0 MB in the beginning and 191.9 MB in the end (delta: -32.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:06,724 INFO L168 Benchmark]: TraceAbstraction took 5454.74 ms. Allocated memory was 221.2 MB in the beginning and 341.8 MB in the end (delta: 120.6 MB). Free memory was 191.9 MB in the beginning and 229.1 MB in the end (delta: -37.3 MB). Peak memory consumption was 245.4 MB. Max. memory is 7.1 GB. [2019-09-08 06:06:06,728 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.32 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 163.5 MB in the end (delta: -76.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 92.95 ms. Allocated memory is still 198.7 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1225.98 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 159.0 MB in the beginning and 191.9 MB in the end (delta: -32.8 MB). Peak memory consumption was 91.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5454.74 ms. Allocated memory was 221.2 MB in the beginning and 341.8 MB in the end (delta: 120.6 MB). Free memory was 191.9 MB in the beginning and 229.1 MB in the end (delta: -37.3 MB). Peak memory consumption was 245.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 439]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L617] int pumpRunning = 0; [L618] int systemActive = 1; [L848] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=170, \old(head)=176, \old(head)=161, \old(methaneLevelCritical)=144, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=137, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L921] int retValue_acc ; [L922] 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] [L926] 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] [L927] 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] [L928] 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] [L839] int retValue_acc ; [L842] retValue_acc = 1 [L843] 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] [L928] 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] [L928] tmp = valid_product() [L930] 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] [L932] 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] [L933] 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] [L915] 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] [L548] int splverifierCounter ; [L549] int tmp ; [L550] int tmp___0 ; [L551] int tmp___1 ; [L552] int tmp___2 ; [L555] 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] [L557] 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] [L559] 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] [L565] tmp = __VERIFIER_nondet_int() [L567] 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=4, waterLevel=1] [L569] 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] [L468] COND TRUE waterLevel < 2 [L469] 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] [L569] 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=4, waterLevel=2] [L575] tmp___0 = __VERIFIER_nondet_int() [L577] COND TRUE \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=4, tmp___0=1, waterLevel=2] [L579] CALL changeMethaneLevel() 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] [L480] COND FALSE !(\read(methaneLevelCritical)) [L483] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L579] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, tmp___0=1, waterLevel=2] [L585] tmp___2 = __VERIFIER_nondet_int() [L587] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=4, tmp___0=1, tmp___2=4, waterLevel=2] [L602] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L624] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L631] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L633] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L679] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L682] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L697] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L653] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L656] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L658] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L776] int retValue_acc ; [L777] int tmp ; [L778] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L782] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L530] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L533] COND FALSE !(waterLevel < 2) [L537] retValue_acc = 0 [L538] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L782] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L782] tmp = isHighWaterSensorDry() [L784] COND FALSE !(\read(tmp)) [L787] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L789] retValue_acc = tmp___0 [L790] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L658] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L658] tmp = isHighWaterLevel() [L660] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L662] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L707] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L662] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L697] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L633] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L639] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L410] int tmp ; [L411] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L415] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L489] int retValue_acc ; [L492] retValue_acc = methaneLevelCritical [L493] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L415] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L415] tmp = isMethaneLevelCritical() [L417] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L419] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L731] int retValue_acc ; [L734] retValue_acc = pumpRunning [L735] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L419] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L419] tmp___0 = isPumpRunning() [L421] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L423] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L439] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. UNSAFE Result, 5.3s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 2.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1302 SDtfs, 785 SDslu, 3024 SDs, 0 SdLazy, 862 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1893occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 156 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 503 ConstructedInterpolants, 0 QuantifiedInterpolants, 55539 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...