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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:15:42,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:15:42,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:15:42,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:15:42,992 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:15:42,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:15:42,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:15:43,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:15:43,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:15:43,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:15:43,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:15:43,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:15:43,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:15:43,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:15:43,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:15:43,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:15:43,025 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:15:43,026 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:15:43,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:15:43,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:15:43,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:15:43,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:15:43,032 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:15:43,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:15:43,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:15:43,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:15:43,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:15:43,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:15:43,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:15:43,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:15:43,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:15:43,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:15:43,039 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:15:43,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:15:43,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:15:43,041 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:15:43,041 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:15:43,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:15:43,042 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:15:43,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:15:43,043 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:15:43,044 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 [2019-10-07 15:15:43,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:15:43,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:15:43,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:15:43,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:15:43,074 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:15:43,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:15:43,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:15:43,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:15:43,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:15:43,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:15:43,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:15:43,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:15:43,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:15:43,077 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:15:43,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:15:43,077 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:15:43,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:15:43,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:15:43,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:15:43,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:15:43,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:15:43,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:15:43,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:15:43,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:15:43,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:15:43,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:15:43,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:15:43,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:15:43,080 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:15:43,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:15:43,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:15:43,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:15:43,386 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:15:43,386 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:15:43,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-07 15:15:43,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df50c64cf/a590cd00ec184b51ab7909ec2d9f96ca/FLAG3d10df223 [2019-10-07 15:15:44,037 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:15:44,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product63.cil.c [2019-10-07 15:15:44,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df50c64cf/a590cd00ec184b51ab7909ec2d9f96ca/FLAG3d10df223 [2019-10-07 15:15:44,319 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df50c64cf/a590cd00ec184b51ab7909ec2d9f96ca [2019-10-07 15:15:44,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:15:44,329 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:15:44,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:44,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:15:44,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:15:44,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:44,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3ebb7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44, skipping insertion in model container [2019-10-07 15:15:44,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:44,346 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:15:44,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:15:44,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:44,872 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:15:44,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:15:44,995 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:15:44,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44 WrapperNode [2019-10-07 15:15:44,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:15:44,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:15:44,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:15:44,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:15:45,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (1/1) ... [2019-10-07 15:15:45,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:15:45,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:15:45,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:15:45,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:15:45,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (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 [2019-10-07 15:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-07 15:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-07 15:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-07 15:15:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-07 15:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-07 15:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-07 15:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-07 15:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-07 15:15:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-07 15:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-07 15:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-07 15:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-07 15:15:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-07 15:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-07 15:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-07 15:15:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-07 15:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-07 15:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-07 15:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-07 15:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-07 15:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-07 15:15:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-07 15:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:15:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:15:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-07 15:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-07 15:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-07 15:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-07 15:15:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-07 15:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-07 15:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-07 15:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-07 15:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-07 15:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-07 15:15:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-07 15:15:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-07 15:15:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-07 15:15:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-07 15:15:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-07 15:15:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-07 15:15:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-07 15:15:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-07 15:15:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-07 15:15:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-07 15:15:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:15:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-07 15:15:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:15:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:15:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:15:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:15:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:15:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:15:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:15:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:15:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:15:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:15:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:15:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:15:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:15:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:15:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:15:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-07 15:15:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:15:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:15:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:15:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:15:46,885 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:15:46,885 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 15:15:46,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:46 BoogieIcfgContainer [2019-10-07 15:15:46,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:15:46,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:15:46,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:15:46,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:15:46,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:15:44" (1/3) ... [2019-10-07 15:15:46,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c73955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:46, skipping insertion in model container [2019-10-07 15:15:46,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:15:44" (2/3) ... [2019-10-07 15:15:46,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16c73955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:15:46, skipping insertion in model container [2019-10-07 15:15:46,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:15:46" (3/3) ... [2019-10-07 15:15:46,895 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63.cil.c [2019-10-07 15:15:46,906 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:15:46,915 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:15:46,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:15:46,955 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:15:46,955 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:15:46,955 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:15:46,956 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:15:46,957 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:15:46,957 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:15:46,958 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:15:46,958 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:15:46,988 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2019-10-07 15:15:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-07 15:15:47,006 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:47,008 INFO L385 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] [2019-10-07 15:15:47,010 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:47,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:47,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1261654956, now seen corresponding path program 1 times [2019-10-07 15:15:47,025 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:47,025 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:47,027 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:47,030 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:47,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:47,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:47,372 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:47,372 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:47,373 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:15:47,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:15:47,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:15:47,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:15:47,401 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2019-10-07 15:15:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:47,448 INFO L93 Difference]: Finished difference Result 267 states and 330 transitions. [2019-10-07 15:15:47,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:15:47,450 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 42 [2019-10-07 15:15:47,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:47,471 INFO L225 Difference]: With dead ends: 267 [2019-10-07 15:15:47,472 INFO L226 Difference]: Without dead ends: 134 [2019-10-07 15:15:47,481 INFO L606 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 [2019-10-07 15:15:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-07 15:15:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-07 15:15:47,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-07 15:15:47,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-10-07 15:15:47,584 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 42 [2019-10-07 15:15:47,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:47,585 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-10-07 15:15:47,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:15:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-10-07 15:15:47,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-10-07 15:15:47,589 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:47,590 INFO L385 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] [2019-10-07 15:15:47,590 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:47,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:47,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1014963907, now seen corresponding path program 1 times [2019-10-07 15:15:47,591 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:47,591 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:47,592 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:47,592 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:47,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:47,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:47,772 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:47,772 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:47,773 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:15:47,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:15:47,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:15:47,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:15:47,777 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2019-10-07 15:15:47,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:47,825 INFO L93 Difference]: Finished difference Result 218 states and 258 transitions. [2019-10-07 15:15:47,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:15:47,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2019-10-07 15:15:47,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:47,834 INFO L225 Difference]: With dead ends: 218 [2019-10-07 15:15:47,834 INFO L226 Difference]: Without dead ends: 126 [2019-10-07 15:15:47,840 INFO L606 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 [2019-10-07 15:15:47,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-10-07 15:15:47,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-10-07 15:15:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-10-07 15:15:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2019-10-07 15:15:47,875 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 43 [2019-10-07 15:15:47,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:47,875 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2019-10-07 15:15:47,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:15:47,876 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2019-10-07 15:15:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-07 15:15:47,878 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:47,878 INFO L385 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] [2019-10-07 15:15:47,879 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:47,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:47,879 INFO L82 PathProgramCache]: Analyzing trace with hash -101368304, now seen corresponding path program 1 times [2019-10-07 15:15:47,879 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:47,880 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:47,880 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:47,880 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:47,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:48,106 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:48,106 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:48,106 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:48,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:48,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:48,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:48,108 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 7 states. [2019-10-07 15:15:48,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:48,683 INFO L93 Difference]: Finished difference Result 378 states and 457 transitions. [2019-10-07 15:15:48,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-07 15:15:48,684 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 46 [2019-10-07 15:15:48,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:48,688 INFO L225 Difference]: With dead ends: 378 [2019-10-07 15:15:48,688 INFO L226 Difference]: Without dead ends: 274 [2019-10-07 15:15:48,689 INFO L606 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 [2019-10-07 15:15:48,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-10-07 15:15:48,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 266. [2019-10-07 15:15:48,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-10-07 15:15:48,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 321 transitions. [2019-10-07 15:15:48,751 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 321 transitions. Word has length 46 [2019-10-07 15:15:48,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:48,752 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 321 transitions. [2019-10-07 15:15:48,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:48,752 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 321 transitions. [2019-10-07 15:15:48,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-07 15:15:48,762 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:48,762 INFO L385 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] [2019-10-07 15:15:48,762 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:48,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:48,763 INFO L82 PathProgramCache]: Analyzing trace with hash -665444929, now seen corresponding path program 1 times [2019-10-07 15:15:48,763 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:48,763 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:48,764 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:48,764 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:48,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:48,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:48,869 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:48,870 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:48,870 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:15:48,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:15:48,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:15:48,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:15:48,872 INFO L87 Difference]: Start difference. First operand 266 states and 321 transitions. Second operand 6 states. [2019-10-07 15:15:49,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:49,144 INFO L93 Difference]: Finished difference Result 739 states and 912 transitions. [2019-10-07 15:15:49,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 15:15:49,145 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2019-10-07 15:15:49,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:49,153 INFO L225 Difference]: With dead ends: 739 [2019-10-07 15:15:49,153 INFO L226 Difference]: Without dead ends: 495 [2019-10-07 15:15:49,155 INFO L606 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 [2019-10-07 15:15:49,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-07 15:15:49,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 483. [2019-10-07 15:15:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-10-07 15:15:49,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 588 transitions. [2019-10-07 15:15:49,253 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 588 transitions. Word has length 51 [2019-10-07 15:15:49,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:49,256 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 588 transitions. [2019-10-07 15:15:49,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:15:49,263 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 588 transitions. [2019-10-07 15:15:49,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-07 15:15:49,265 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:49,267 INFO L385 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] [2019-10-07 15:15:49,267 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:49,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash -406742439, now seen corresponding path program 1 times [2019-10-07 15:15:49,268 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:49,268 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:49,268 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:49,269 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:49,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:49,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:49,398 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:49,399 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:15:49,399 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-07 15:15:49,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-07 15:15:49,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-07 15:15:49,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:15:49,400 INFO L87 Difference]: Start difference. First operand 483 states and 588 transitions. Second operand 7 states. [2019-10-07 15:15:50,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:50,040 INFO L93 Difference]: Finished difference Result 1287 states and 1682 transitions. [2019-10-07 15:15:50,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:15:50,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2019-10-07 15:15:50,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:50,050 INFO L225 Difference]: With dead ends: 1287 [2019-10-07 15:15:50,050 INFO L226 Difference]: Without dead ends: 826 [2019-10-07 15:15:50,053 INFO L606 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 [2019-10-07 15:15:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2019-10-07 15:15:50,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 739. [2019-10-07 15:15:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-10-07 15:15:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 889 transitions. [2019-10-07 15:15:50,144 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 889 transitions. Word has length 54 [2019-10-07 15:15:50,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:50,145 INFO L462 AbstractCegarLoop]: Abstraction has 739 states and 889 transitions. [2019-10-07 15:15:50,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-07 15:15:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 889 transitions. [2019-10-07 15:15:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-07 15:15:50,147 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:50,148 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:50,148 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:50,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:50,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1888013693, now seen corresponding path program 1 times [2019-10-07 15:15:50,149 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:50,149 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:50,149 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:50,149 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:50,341 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:50,341 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:50,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:50,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:50,644 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 15:15:50,644 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-07 15:15:51,341 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:51,341 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 23 [2019-10-07 15:15:51,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:51,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:51,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2019-10-07 15:15:51,343 INFO L87 Difference]: Start difference. First operand 739 states and 889 transitions. Second operand 11 states. [2019-10-07 15:15:52,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:52,053 INFO L93 Difference]: Finished difference Result 1777 states and 2231 transitions. [2019-10-07 15:15:52,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:52,054 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2019-10-07 15:15:52,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:52,061 INFO L225 Difference]: With dead ends: 1777 [2019-10-07 15:15:52,062 INFO L226 Difference]: Without dead ends: 1060 [2019-10-07 15:15:52,065 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:52,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2019-10-07 15:15:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 1040. [2019-10-07 15:15:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2019-10-07 15:15:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1266 transitions. [2019-10-07 15:15:52,136 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1266 transitions. Word has length 89 [2019-10-07 15:15:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:52,137 INFO L462 AbstractCegarLoop]: Abstraction has 1040 states and 1266 transitions. [2019-10-07 15:15:52,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1266 transitions. [2019-10-07 15:15:52,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 15:15:52,142 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:15:52,142 INFO L385 BasicCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:15:52,348 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:52,348 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:15:52,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:15:52,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1857693374, now seen corresponding path program 1 times [2019-10-07 15:15:52,349 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:15:52,349 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:52,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:52,349 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:15:52,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:15:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 15:15:52,673 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:15:52,673 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:15:52,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:15:52,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 25 conjunts are in the unsatisfiable core [2019-10-07 15:15:52,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:15:53,072 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:15:53,073 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:15:53,597 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-07 15:15:53,597 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-07 15:15:53,598 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-10-07 15:15:53,598 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 15:15:53,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 15:15:53,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=728, Unknown=0, NotChecked=0, Total=812 [2019-10-07 15:15:53,599 INFO L87 Difference]: Start difference. First operand 1040 states and 1266 transitions. Second operand 11 states. [2019-10-07 15:15:54,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:15:54,328 INFO L93 Difference]: Finished difference Result 2569 states and 3201 transitions. [2019-10-07 15:15:54,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-07 15:15:54,328 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 149 [2019-10-07 15:15:54,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:15:54,330 INFO L225 Difference]: With dead ends: 2569 [2019-10-07 15:15:54,330 INFO L226 Difference]: Without dead ends: 0 [2019-10-07 15:15:54,337 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 153 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=138, Invalid=1052, Unknown=0, NotChecked=0, Total=1190 [2019-10-07 15:15:54,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-07 15:15:54,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-07 15:15:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-07 15:15:54,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-07 15:15:54,338 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-07 15:15:54,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:15:54,339 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-07 15:15:54,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 15:15:54,339 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-07 15:15:54,339 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-07 15:15:54,545 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:54,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 473) no Hoare annotation was computed. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point L463-2(lines 463 484) no Hoare annotation was computed. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 438 493) no Hoare annotation was computed. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point L485(lines 462 486) no Hoare annotation was computed. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 438 493) no Hoare annotation was computed. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-07 15:15:57,145 INFO L443 ceAbstractionStarter]: For program point L539-1(line 539) no Hoare annotation was computed. [2019-10-07 15:15:57,146 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 494 553) no Hoare annotation was computed. [2019-10-07 15:15:57,146 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 494 553) no Hoare annotation was computed. [2019-10-07 15:15:57,146 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 530) no Hoare annotation was computed. [2019-10-07 15:15:57,146 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 494 553) no Hoare annotation was computed. [2019-10-07 15:15:57,146 INFO L443 ceAbstractionStarter]: For program point L520-2(lines 520 545) no Hoare annotation was computed. [2019-10-07 15:15:57,147 INFO L443 ceAbstractionStarter]: For program point L546(lines 519 547) no Hoare annotation was computed. [2019-10-07 15:15:57,147 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2019-10-07 15:15:57,147 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2019-10-07 15:15:57,147 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2019-10-07 15:15:57,147 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2019-10-07 15:15:57,148 INFO L439 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,148 INFO L439 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,148 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,148 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2019-10-07 15:15:57,148 INFO L439 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0))) [2019-10-07 15:15:57,148 INFO L439 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0))) [2019-10-07 15:15:57,149 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2019-10-07 15:15:57,149 INFO L443 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2019-10-07 15:15:57,149 INFO L443 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L439 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 783 806) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point L799(line 799) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-10-07 15:15:57,150 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 783 806) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 783 806) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L793(line 793) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L792(line 792) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-10-07 15:15:57,151 INFO L443 ceAbstractionStarter]: For program point L789(line 789) no Hoare annotation was computed. [2019-10-07 15:15:57,152 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-07 15:15:57,152 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:57,152 INFO L439 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:57,152 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-07 15:15:57,152 INFO L439 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:57,152 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-07 15:15:57,152 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-07 15:15:57,153 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:57,153 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-07 15:15:57,153 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:57,153 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-07 15:15:57,153 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2019-10-07 15:15:57,153 INFO L439 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0))) [2019-10-07 15:15:57,153 INFO L443 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2019-10-07 15:15:57,153 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (and (or (= |old(~systemActive~0)| 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (or (not (= |old(~systemActive~0)| 1)) (= 1 ~systemActive~0)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-07 15:15:57,154 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-07 15:15:57,154 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-07 15:15:57,154 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-07 15:15:57,154 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-07 15:15:57,154 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-07 15:15:57,154 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-07 15:15:57,154 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-07 15:15:57,154 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-07 15:15:57,154 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 392 437) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 392 437) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 705 750) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 705 750) no Hoare annotation was computed. [2019-10-07 15:15:57,155 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,155 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2019-10-07 15:15:57,156 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2019-10-07 15:15:57,156 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-07 15:15:57,156 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-07 15:15:57,156 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-07 15:15:57,156 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-07 15:15:57,156 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:57,156 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-07 15:15:57,156 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2019-10-07 15:15:57,156 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2019-10-07 15:15:57,157 INFO L439 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (or (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) [2019-10-07 15:15:57,157 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-07 15:15:57,157 INFO L439 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:15:57,157 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-07 15:15:57,157 INFO L439 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (and (= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-07 15:15:57,157 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-10-07 15:15:57,158 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-07 15:15:57,158 INFO L439 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-07 15:15:57,158 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-07 15:15:57,158 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-07 15:15:57,158 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-07 15:15:57,158 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-07 15:15:57,158 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,158 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2019-10-07 15:15:57,159 INFO L439 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-07 15:15:57,159 INFO L439 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:15:57,159 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2019-10-07 15:15:57,159 INFO L439 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:15:57,159 INFO L443 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2019-10-07 15:15:57,159 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2019-10-07 15:15:57,159 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-07 15:15:57,160 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2019-10-07 15:15:57,160 INFO L443 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2019-10-07 15:15:57,160 INFO L439 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:57,160 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-10-07 15:15:57,160 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2019-10-07 15:15:57,160 INFO L443 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2019-10-07 15:15:57,160 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2019-10-07 15:15:57,160 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 659 704) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 659 704) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 925 947) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 925 947) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 556 658) no Hoare annotation was computed. [2019-10-07 15:15:57,161 INFO L443 ceAbstractionStarter]: For program point L605-2(lines 605 625) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L626(lines 604 627) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 601) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 556 658) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L606(lines 605 625) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L637(line 637) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 643) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 556 658) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L621(line 621) no Hoare annotation was computed. [2019-10-07 15:15:57,162 INFO L443 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2019-10-07 15:15:57,163 INFO L443 ceAbstractionStarter]: For program point L580(lines 580 584) no Hoare annotation was computed. [2019-10-07 15:15:57,163 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 982 991) no Hoare annotation was computed. [2019-10-07 15:15:57,163 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 982 991) no Hoare annotation was computed. [2019-10-07 15:15:57,163 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-07 15:15:57,163 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:57,163 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:57,163 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-07 15:15:57,163 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-07 15:15:57,164 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:57,164 INFO L439 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-10-07 15:15:57,164 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-07 15:15:57,164 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-07 15:15:57,164 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-07 15:15:57,164 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-07 15:15:57,164 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-07 15:15:57,164 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-07 15:15:57,164 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 948 956) no Hoare annotation was computed. [2019-10-07 15:15:57,164 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 948 956) no Hoare annotation was computed. [2019-10-07 15:15:57,165 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (= ~systemActive~0 0) .cse1))) [2019-10-07 15:15:57,165 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2019-10-07 15:15:57,165 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:57,165 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-07 15:15:57,166 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2019-10-07 15:15:57,166 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2019-10-07 15:15:57,166 INFO L439 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-07 15:15:57,166 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-07 15:15:57,166 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (and (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0))) [2019-10-07 15:15:57,166 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-07 15:15:57,166 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-07 15:15:57,167 INFO L439 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~systemActive~0))) (or (= ~systemActive~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2019-10-07 15:15:57,167 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse1 (and (= 0 ~methaneLevelCritical~0) (not (= 0 ~systemActive~0)))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:57,167 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2019-10-07 15:15:57,167 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2019-10-07 15:15:57,167 INFO L446 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2019-10-07 15:15:57,167 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2019-10-07 15:15:57,167 INFO L446 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2019-10-07 15:15:57,167 INFO L446 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2019-10-07 15:15:57,168 INFO L443 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2019-10-07 15:15:57,168 INFO L446 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2019-10-07 15:15:57,168 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-07 15:15:57,168 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2019-10-07 15:15:57,168 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2019-10-07 15:15:57,168 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2019-10-07 15:15:57,168 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2019-10-07 15:15:57,168 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-07 15:15:57,168 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-07 15:15:57,169 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-07 15:15:57,169 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-07 15:15:57,169 INFO L439 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:57,169 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 0)) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:57,169 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-07 15:15:57,170 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:57,170 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-07 15:15:57,170 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-07 15:15:57,171 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-07 15:15:57,171 INFO L439 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-07 15:15:57,171 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-07 15:15:57,171 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2019-10-07 15:15:57,171 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2019-10-07 15:15:57,171 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: true [2019-10-07 15:15:57,171 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2019-10-07 15:15:57,172 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2019-10-07 15:15:57,173 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2019-10-07 15:15:57,173 INFO L439 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (and (or (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) (not (= 0 ~pumpRunning~0))) [2019-10-07 15:15:57,173 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2019-10-07 15:15:57,173 INFO L439 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-07 15:15:57,173 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2019-10-07 15:15:57,173 INFO L443 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2019-10-07 15:15:57,173 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2019-10-07 15:15:57,173 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2019-10-07 15:15:57,174 INFO L446 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2019-10-07 15:15:57,174 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-10-07 15:15:57,174 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2019-10-07 15:15:57,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 03:15:57 BoogieIcfgContainer [2019-10-07 15:15:57,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-07 15:15:57,196 INFO L168 Benchmark]: Toolchain (without parser) took 12865.04 ms. Allocated memory was 137.9 MB in the beginning and 391.6 MB in the end (delta: 253.8 MB). Free memory was 100.1 MB in the beginning and 180.8 MB in the end (delta: -80.7 MB). Peak memory consumption was 269.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:57,198 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:57,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.30 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 167.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:57,200 INFO L168 Benchmark]: Boogie Preprocessor took 94.05 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 162.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:57,207 INFO L168 Benchmark]: RCFGBuilder took 1795.56 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 162.8 MB in the beginning and 140.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:57,208 INFO L168 Benchmark]: TraceAbstraction took 10304.80 ms. Allocated memory was 233.8 MB in the beginning and 391.6 MB in the end (delta: 157.8 MB). Free memory was 140.5 MB in the beginning and 180.8 MB in the end (delta: -40.3 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:57,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.30 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 167.4 MB in the end (delta: -67.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.05 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 162.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1795.56 ms. Allocated memory was 201.3 MB in the beginning and 233.8 MB in the end (delta: 32.5 MB). Free memory was 162.8 MB in the beginning and 140.5 MB in the end (delta: 22.4 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10304.80 ms. Allocated memory was 233.8 MB in the beginning and 391.6 MB in the end (delta: 157.8 MB). Free memory was 140.5 MB in the beginning and 180.8 MB in the end (delta: -40.3 MB). Peak memory consumption was 213.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 319]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == splverifierCounter) && !(0 == systemActive)) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.5s, HoareTripleCheckerStatistics: 1149 SDtfs, 823 SDslu, 3521 SDs, 0 SdLazy, 1757 SolverSat, 202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 573 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 127 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2304 PreInvPairs, 2461 NumberOfFragments, 955 HoareAnnotationTreeSize, 2304 FomulaSimplifications, 2636 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 71 FomulaSimplificationsInter, 5142 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 712 NumberOfCodeBlocks, 712 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 939 ConstructedInterpolants, 0 QuantifiedInterpolants, 168477 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1659 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 11 InterpolantComputations, 7 PerfectInterpolantSequences, 129/138 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...