/usr/bin/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_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:30:22,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:30:22,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:30:22,065 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:30:22,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:30:22,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:30:22,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:30:22,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:30:22,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:30:22,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:30:22,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:30:22,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:30:22,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:30:22,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:30:22,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:30:22,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:30:22,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:30:22,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:30:22,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:30:22,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:30:22,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:30:22,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:30:22,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:30:22,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:30:22,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:30:22,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:30:22,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:30:22,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:30:22,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:30:22,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:30:22,126 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:30:22,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:30:22,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:30:22,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:30:22,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:30:22,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:30:22,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:30:22,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:30:22,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:30:22,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:30:22,135 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:30:22,135 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 [2019-11-07 04:30:22,162 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:30:22,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:30:22,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:30:22,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:30:22,164 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:30:22,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:30:22,164 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:30:22,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:30:22,165 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:30:22,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:30:22,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:30:22,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:30:22,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:30:22,166 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:30:22,166 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:30:22,166 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:30:22,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:30:22,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:30:22,167 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:30:22,167 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:30:22,167 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:30:22,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:30:22,167 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:30:22,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:30:22,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:30:22,168 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:30:22,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:30:22,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:30:22,169 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 [2019-11-07 04:30:22,472 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:30:22,491 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:30:22,495 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:30:22,497 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:30:22,497 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:30:22,498 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-11-07 04:30:22,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39e6170cb/1de0007279db47888a907a6ba4664071/FLAG18854832e [2019-11-07 04:30:23,063 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:30:23,063 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-11-07 04:30:23,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39e6170cb/1de0007279db47888a907a6ba4664071/FLAG18854832e [2019-11-07 04:30:23,427 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39e6170cb/1de0007279db47888a907a6ba4664071 [2019-11-07 04:30:23,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:30:23,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:30:23,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:23,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:30:23,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:30:23,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:23" (1/1) ... [2019-11-07 04:30:23,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100a49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:23, skipping insertion in model container [2019-11-07 04:30:23,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:23" (1/1) ... [2019-11-07 04:30:23,502 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:30:23,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:30:24,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:24,356 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:30:24,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:24,511 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:30:24,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24 WrapperNode [2019-11-07 04:30:24,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:24,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:30:24,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:30:24,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:30:24,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (1/1) ... [2019-11-07 04:30:24,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:30:24,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:30:24,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:30:24,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:30:24,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (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 [2019-11-07 04:30:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:30:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:30:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:24,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:30:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:30:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:30:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:30:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:30:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:30:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:30:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:30:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:30:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:30:24,688 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:30:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:30:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:30:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:30:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:30:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:30:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:30:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:30:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:30:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:30:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:30:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:30:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:30:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:24,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:30:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:30:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:30:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:30:24,694 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:30:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:30:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:30:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:30:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:30:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:30:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:30:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:30:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:30:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:30:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:30:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:30:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:30:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:30:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:30:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:30:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:30:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:30:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:30:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:30:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:30:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:30:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:30:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:30:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:30:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:30:26,197 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:30:26,198 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:30:26,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:26 BoogieIcfgContainer [2019-11-07 04:30:26,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:30:26,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:30:26,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:30:26,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:30:26,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:30:23" (1/3) ... [2019-11-07 04:30:26,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210e93a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:26, skipping insertion in model container [2019-11-07 04:30:26,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:24" (2/3) ... [2019-11-07 04:30:26,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@210e93a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:26, skipping insertion in model container [2019-11-07 04:30:26,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:26" (3/3) ... [2019-11-07 04:30:26,210 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-11-07 04:30:26,220 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:30:26,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:30:26,244 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:30:26,280 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:30:26,280 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:30:26,280 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:30:26,280 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:30:26,280 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:30:26,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:30:26,281 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:30:26,281 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:30:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2019-11-07 04:30:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:30:26,326 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:26,327 INFO L410 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] [2019-11-07 04:30:26,329 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:26,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:26,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1067458542, now seen corresponding path program 1 times [2019-11-07 04:30:26,353 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:26,353 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646213321] [2019-11-07 04:30:26,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:26,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:26,848 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646213321] [2019-11-07 04:30:26,849 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:26,850 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:30:26,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778512895] [2019-11-07 04:30:26,857 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:30:26,857 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:26,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:30:26,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:30:26,882 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2019-11-07 04:30:26,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:26,931 INFO L93 Difference]: Finished difference Result 226 states and 279 transitions. [2019-11-07 04:30:26,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:30:26,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 04:30:26,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:26,948 INFO L225 Difference]: With dead ends: 226 [2019-11-07 04:30:26,948 INFO L226 Difference]: Without dead ends: 115 [2019-11-07 04:30:26,953 INFO L630 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 [2019-11-07 04:30:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-11-07 04:30:27,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-11-07 04:30:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-11-07 04:30:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2019-11-07 04:30:27,021 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 46 [2019-11-07 04:30:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:27,022 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2019-11-07 04:30:27,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:30:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2019-11-07 04:30:27,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:30:27,027 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:27,027 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:27,028 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:27,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:27,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1098507142, now seen corresponding path program 1 times [2019-11-07 04:30:27,029 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:27,029 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969526772] [2019-11-07 04:30:27,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:27,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:27,180 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969526772] [2019-11-07 04:30:27,181 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:27,181 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:27,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361273088] [2019-11-07 04:30:27,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:27,183 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:27,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:27,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:27,184 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2019-11-07 04:30:27,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:27,206 INFO L93 Difference]: Finished difference Result 177 states and 207 transitions. [2019-11-07 04:30:27,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:27,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 04:30:27,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:27,209 INFO L225 Difference]: With dead ends: 177 [2019-11-07 04:30:27,210 INFO L226 Difference]: Without dead ends: 107 [2019-11-07 04:30:27,211 INFO L630 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 [2019-11-07 04:30:27,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-11-07 04:30:27,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-11-07 04:30:27,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-11-07 04:30:27,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2019-11-07 04:30:27,226 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 124 transitions. Word has length 47 [2019-11-07 04:30:27,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:27,226 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 124 transitions. [2019-11-07 04:30:27,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:27,227 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 124 transitions. [2019-11-07 04:30:27,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-11-07 04:30:27,229 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:27,229 INFO L410 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] [2019-11-07 04:30:27,230 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:27,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:27,230 INFO L82 PathProgramCache]: Analyzing trace with hash 789120514, now seen corresponding path program 1 times [2019-11-07 04:30:27,230 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:27,231 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690407459] [2019-11-07 04:30:27,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:27,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:27,397 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690407459] [2019-11-07 04:30:27,398 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:27,398 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:27,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061059555] [2019-11-07 04:30:27,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:27,399 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:27,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:27,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:27,400 INFO L87 Difference]: Start difference. First operand 107 states and 124 transitions. Second operand 7 states. [2019-11-07 04:30:27,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:27,843 INFO L93 Difference]: Finished difference Result 316 states and 381 transitions. [2019-11-07 04:30:27,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:30:27,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-11-07 04:30:27,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:27,847 INFO L225 Difference]: With dead ends: 316 [2019-11-07 04:30:27,848 INFO L226 Difference]: Without dead ends: 234 [2019-11-07 04:30:27,849 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:30:27,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-11-07 04:30:27,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 226. [2019-11-07 04:30:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2019-11-07 04:30:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 272 transitions. [2019-11-07 04:30:27,911 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 272 transitions. Word has length 50 [2019-11-07 04:30:27,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:27,911 INFO L462 AbstractCegarLoop]: Abstraction has 226 states and 272 transitions. [2019-11-07 04:30:27,912 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 272 transitions. [2019-11-07 04:30:27,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-11-07 04:30:27,919 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:27,919 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:27,919 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:27,921 INFO L82 PathProgramCache]: Analyzing trace with hash -557267737, now seen corresponding path program 1 times [2019-11-07 04:30:27,921 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:27,921 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415995401] [2019-11-07 04:30:27,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:28,071 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415995401] [2019-11-07 04:30:28,071 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:28,071 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:30:28,072 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086242824] [2019-11-07 04:30:28,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:30:28,072 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:28,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:30:28,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:30:28,073 INFO L87 Difference]: Start difference. First operand 226 states and 272 transitions. Second operand 6 states. [2019-11-07 04:30:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:28,282 INFO L93 Difference]: Finished difference Result 610 states and 753 transitions. [2019-11-07 04:30:28,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:30:28,283 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2019-11-07 04:30:28,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:28,287 INFO L225 Difference]: With dead ends: 610 [2019-11-07 04:30:28,287 INFO L226 Difference]: Without dead ends: 409 [2019-11-07 04:30:28,290 INFO L630 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 [2019-11-07 04:30:28,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-11-07 04:30:28,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 397. [2019-11-07 04:30:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-07 04:30:28,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 481 transitions. [2019-11-07 04:30:28,330 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 481 transitions. Word has length 55 [2019-11-07 04:30:28,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:28,331 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 481 transitions. [2019-11-07 04:30:28,331 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:30:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 481 transitions. [2019-11-07 04:30:28,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-11-07 04:30:28,333 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:28,334 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:28,334 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:28,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1736198328, now seen corresponding path program 1 times [2019-11-07 04:30:28,335 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:28,335 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360612959] [2019-11-07 04:30:28,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:28,494 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360612959] [2019-11-07 04:30:28,495 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:28,495 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:28,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842914198] [2019-11-07 04:30:28,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:28,495 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:28,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:28,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:28,497 INFO L87 Difference]: Start difference. First operand 397 states and 481 transitions. Second operand 7 states. [2019-11-07 04:30:29,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:29,155 INFO L93 Difference]: Finished difference Result 1055 states and 1396 transitions. [2019-11-07 04:30:29,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:30:29,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-11-07 04:30:29,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:29,161 INFO L225 Difference]: With dead ends: 1055 [2019-11-07 04:30:29,161 INFO L226 Difference]: Without dead ends: 683 [2019-11-07 04:30:29,163 INFO L630 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 [2019-11-07 04:30:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2019-11-07 04:30:29,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 596. [2019-11-07 04:30:29,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2019-11-07 04:30:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 720 transitions. [2019-11-07 04:30:29,212 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 720 transitions. Word has length 58 [2019-11-07 04:30:29,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:29,213 INFO L462 AbstractCegarLoop]: Abstraction has 596 states and 720 transitions. [2019-11-07 04:30:29,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:29,213 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 720 transitions. [2019-11-07 04:30:29,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-07 04:30:29,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:29,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:29,215 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:29,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:29,216 INFO L82 PathProgramCache]: Analyzing trace with hash 834812761, now seen corresponding path program 1 times [2019-11-07 04:30:29,216 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:29,216 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072690484] [2019-11-07 04:30:29,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:29,276 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072690484] [2019-11-07 04:30:29,276 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:29,276 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:29,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262018908] [2019-11-07 04:30:29,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:29,277 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:29,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:29,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:29,278 INFO L87 Difference]: Start difference. First operand 596 states and 720 transitions. Second operand 3 states. [2019-11-07 04:30:29,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:29,359 INFO L93 Difference]: Finished difference Result 840 states and 1041 transitions. [2019-11-07 04:30:29,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:29,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2019-11-07 04:30:29,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:29,365 INFO L225 Difference]: With dead ends: 840 [2019-11-07 04:30:29,366 INFO L226 Difference]: Without dead ends: 837 [2019-11-07 04:30:29,366 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:29,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2019-11-07 04:30:29,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 797. [2019-11-07 04:30:29,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-11-07 04:30:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 988 transitions. [2019-11-07 04:30:29,416 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 988 transitions. Word has length 75 [2019-11-07 04:30:29,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:29,417 INFO L462 AbstractCegarLoop]: Abstraction has 797 states and 988 transitions. [2019-11-07 04:30:29,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:29,417 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 988 transitions. [2019-11-07 04:30:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-07 04:30:29,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:29,422 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 04:30:29,423 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:29,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:29,423 INFO L82 PathProgramCache]: Analyzing trace with hash -883418415, now seen corresponding path program 1 times [2019-11-07 04:30:29,423 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:29,424 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274509071] [2019-11-07 04:30:29,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:30:29,513 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274509071] [2019-11-07 04:30:29,514 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943854851] [2019-11-07 04:30:29,514 INFO L94 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 [2019-11-07 04:30:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:29,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 04:30:29,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:29,841 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:30:30,128 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:30:30,128 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-11-07 04:30:30,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080698834] [2019-11-07 04:30:30,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:30,129 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:30,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:30,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 04:30:30,130 INFO L87 Difference]: Start difference. First operand 797 states and 988 transitions. Second operand 3 states. [2019-11-07 04:30:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:30,237 INFO L93 Difference]: Finished difference Result 1537 states and 1918 transitions. [2019-11-07 04:30:30,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:30,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2019-11-07 04:30:30,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:30,243 INFO L225 Difference]: With dead ends: 1537 [2019-11-07 04:30:30,244 INFO L226 Difference]: Without dead ends: 765 [2019-11-07 04:30:30,247 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 04:30:30,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2019-11-07 04:30:30,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2019-11-07 04:30:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2019-11-07 04:30:30,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 885 transitions. [2019-11-07 04:30:30,295 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 885 transitions. Word has length 124 [2019-11-07 04:30:30,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:30,295 INFO L462 AbstractCegarLoop]: Abstraction has 765 states and 885 transitions. [2019-11-07 04:30:30,296 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:30,296 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 885 transitions. [2019-11-07 04:30:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-07 04:30:30,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:30,299 INFO L410 BasicCegarLoop]: trace histogram [3, 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] [2019-11-07 04:30:30,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:30,515 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2133581014, now seen corresponding path program 1 times [2019-11-07 04:30:30,516 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:30,517 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938274557] [2019-11-07 04:30:30,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-07 04:30:30,813 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938274557] [2019-11-07 04:30:30,813 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477873163] [2019-11-07 04:30:30,814 INFO L94 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 [2019-11-07 04:30:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:31,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 25 conjunts are in the unsatisfiable core [2019-11-07 04:30:31,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:31,250 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:30:31,250 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:30:31,692 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 04:30:31,693 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14, 11] total 29 [2019-11-07 04:30:31,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659636165] [2019-11-07 04:30:31,694 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-07 04:30:31,694 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:31,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-07 04:30:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2019-11-07 04:30:31,695 INFO L87 Difference]: Start difference. First operand 765 states and 885 transitions. Second operand 11 states. [2019-11-07 04:30:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:32,469 INFO L93 Difference]: Finished difference Result 1679 states and 1986 transitions. [2019-11-07 04:30:32,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-07 04:30:32,473 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 127 [2019-11-07 04:30:32,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:32,480 INFO L225 Difference]: With dead ends: 1679 [2019-11-07 04:30:32,480 INFO L226 Difference]: Without dead ends: 939 [2019-11-07 04:30:32,484 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=145, Invalid=1045, Unknown=0, NotChecked=0, Total=1190 [2019-11-07 04:30:32,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 939 states. [2019-11-07 04:30:32,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 939 to 905. [2019-11-07 04:30:32,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 905 states. [2019-11-07 04:30:32,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 905 states and 1033 transitions. [2019-11-07 04:30:32,570 INFO L78 Accepts]: Start accepts. Automaton has 905 states and 1033 transitions. Word has length 127 [2019-11-07 04:30:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:32,570 INFO L462 AbstractCegarLoop]: Abstraction has 905 states and 1033 transitions. [2019-11-07 04:30:32,570 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-07 04:30:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1033 transitions. [2019-11-07 04:30:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 04:30:32,574 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:32,575 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 04:30:32,779 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:32,779 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:32,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:32,780 INFO L82 PathProgramCache]: Analyzing trace with hash -272098483, now seen corresponding path program 1 times [2019-11-07 04:30:32,780 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:32,781 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617339109] [2019-11-07 04:30:32,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:30:33,074 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617339109] [2019-11-07 04:30:33,074 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650063289] [2019-11-07 04:30:33,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:33,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 901 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:30:33,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:30:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-07 04:30:33,402 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:30:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-07 04:30:33,521 INFO L218 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-11-07 04:30:33,521 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2019-11-07 04:30:33,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896310827] [2019-11-07 04:30:33,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:33,523 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:33,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:33,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-07 04:30:33,525 INFO L87 Difference]: Start difference. First operand 905 states and 1033 transitions. Second operand 3 states. [2019-11-07 04:30:33,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:33,622 INFO L93 Difference]: Finished difference Result 1027 states and 1183 transitions. [2019-11-07 04:30:33,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:33,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-11-07 04:30:33,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:33,623 INFO L225 Difference]: With dead ends: 1027 [2019-11-07 04:30:33,623 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:30:33,629 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2019-11-07 04:30:33,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:30:33,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:30:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:30:33,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:30:33,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2019-11-07 04:30:33,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:33,631 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:30:33,631 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:33,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:30:33,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:30:33,844 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:30:33,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:30:34,785 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 27 [2019-11-07 04:30:35,256 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2019-11-07 04:30:35,455 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 30 [2019-11-07 04:30:36,364 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 33 [2019-11-07 04:30:36,751 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point L692(lines 669 693) no Hoare annotation was computed. [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point L676(lines 676 680) no Hoare annotation was computed. [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 737) no Hoare annotation was computed. [2019-11-07 04:30:36,755 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L443 ceAbstractionStarter]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L443 ceAbstractionStarter]: For program point L753(lines 726 754) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L443 ceAbstractionStarter]: For program point L746(line 746) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L443 ceAbstractionStarter]: For program point L746-1(line 746) no Hoare annotation was computed. [2019-11-07 04:30:36,756 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2019-11-07 04:30:36,757 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2019-11-07 04:30:36,757 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2019-11-07 04:30:36,757 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2019-11-07 04:30:36,757 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,757 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2019-11-07 04:30:36,757 INFO L439 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,758 INFO L439 ceAbstractionStarter]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,758 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2019-11-07 04:30:36,758 INFO L443 ceAbstractionStarter]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2019-11-07 04:30:36,758 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-11-07 04:30:36,758 INFO L439 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,758 INFO L439 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,758 INFO L439 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point L191(line 191) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2019-11-07 04:30:36,759 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L185(line 185) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L182(line 182) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point L179(line 179) no Hoare annotation was computed. [2019-11-07 04:30:36,760 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2019-11-07 04:30:36,761 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= 0 ~systemActive~0)) (.cse2 (= |old(~systemActive~0)| 0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= 1 ~systemActive~0) .cse1) (not (= |old(~systemActive~0)| 1))) (or (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (and .cse1 (not .cse4))) (or .cse4 (not .cse2) .cse5 .cse3) (or (= ~pumpRunning~0 0) .cse5 .cse3))) [2019-11-07 04:30:36,761 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (and (= 1 ~systemActive~0) .cse1) (not (= |old(~systemActive~0)| 1))) (or (or .cse0 (= |old(~systemActive~0)| 0) .cse2 (not (= ~methaneLevelCritical~0 0))) (and .cse1 (not (= 0 ~systemActive~0)))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2))) [2019-11-07 04:30:36,761 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-11-07 04:30:36,761 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2019-11-07 04:30:36,761 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2019-11-07 04:30:36,761 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point L517-1(line 517) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2019-11-07 04:30:36,762 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2019-11-07 04:30:36,763 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,763 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2019-11-07 04:30:36,763 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2019-11-07 04:30:36,763 INFO L439 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,763 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2019-11-07 04:30:36,763 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2019-11-07 04:30:36,763 INFO L446 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2019-11-07 04:30:36,763 INFO L443 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2019-11-07 04:30:36,764 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or (or .cse0 (= ~systemActive~0 0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) .cse1))) [2019-11-07 04:30:36,764 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2019-11-07 04:30:36,764 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-11-07 04:30:36,764 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-11-07 04:30:36,764 INFO L439 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-11-07 04:30:36,764 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2019-11-07 04:30:36,764 INFO L439 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse0))) [2019-11-07 04:30:36,765 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2019-11-07 04:30:36,765 INFO L439 ceAbstractionStarter]: At program point L436(line 436) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~methaneLevelCritical~0 processEnvironment_~tmp~4)) .cse0))) [2019-11-07 04:30:36,765 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:36,765 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2019-11-07 04:30:36,765 INFO L439 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0))) [2019-11-07 04:30:36,765 INFO L443 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2019-11-07 04:30:36,765 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2019-11-07 04:30:36,765 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2019-11-07 04:30:36,766 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2019-11-07 04:30:36,766 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,766 INFO L439 ceAbstractionStarter]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:36,766 INFO L439 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:36,766 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2019-11-07 04:30:36,766 INFO L443 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2019-11-07 04:30:36,766 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2019-11-07 04:30:36,767 INFO L439 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:36,767 INFO L439 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and (= 1 ~systemActive~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 (not (= 0 ~systemActive~0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (= ~pumpRunning~0 0) .cse2))) [2019-11-07 04:30:36,767 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2019-11-07 04:30:36,767 INFO L439 ceAbstractionStarter]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse2 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:36,767 INFO L443 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2019-11-07 04:30:36,767 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2019-11-07 04:30:36,768 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (<= 1 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 04:30:36,768 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2019-11-07 04:30:36,768 INFO L443 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2019-11-07 04:30:36,768 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2019-11-07 04:30:36,768 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2019-11-07 04:30:36,768 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2019-11-07 04:30:36,768 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse3 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse2 .cse3))) [2019-11-07 04:30:36,768 INFO L439 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 (not (= ~systemActive~0 0))))) [2019-11-07 04:30:36,769 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2019-11-07 04:30:36,769 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2019-11-07 04:30:36,769 INFO L439 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse3))) [2019-11-07 04:30:36,769 INFO L443 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2019-11-07 04:30:36,769 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2019-11-07 04:30:36,769 INFO L443 ceAbstractionStarter]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2019-11-07 04:30:36,769 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse3 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse2 .cse3))) [2019-11-07 04:30:36,769 INFO L443 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2019-11-07 04:30:36,770 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L828-1(line 828) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L833(lines 811 834) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 808) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L813(lines 812 832) no Hoare annotation was computed. [2019-11-07 04:30:36,771 INFO L443 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 850) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-11-07 04:30:36,772 INFO L443 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2019-11-07 04:30:36,773 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2019-11-07 04:30:36,773 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2019-11-07 04:30:36,773 INFO L446 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2019-11-07 04:30:36,773 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-11-07 04:30:36,773 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-11-07 04:30:36,773 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:36,773 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:30:36,773 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-11-07 04:30:36,773 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-11-07 04:30:36,774 INFO L439 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or .cse4 (and (= ~pumpRunning~0 0) .cse2) .cse1 .cse3) (or .cse4 (not (= ~systemActive~0 0))))) [2019-11-07 04:30:36,774 INFO L439 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= 1 ~pumpRunning~0) .cse0) .cse1 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse6 .cse3 .cse4) (or .cse7 (and .cse8 .cse0) .cse2 .cse3 .cse4) (or .cse7 (and (= 0 ~methaneLevelCritical~0) .cse8) .cse2 .cse5) (or .cse1 .cse6 .cse5))) [2019-11-07 04:30:36,774 INFO L439 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 (not (= ~systemActive~0 0))))) [2019-11-07 04:30:36,774 INFO L443 ceAbstractionStarter]: For program point L372(lines 371 390) no Hoare annotation was computed. [2019-11-07 04:30:36,774 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 .cse2 .cse1 .cse3) (or .cse4 (and .cse5 .cse2) .cse1 .cse3) (or .cse2 .cse4 .cse6 .cse3) (or .cse4 .cse6 .cse5))) [2019-11-07 04:30:36,774 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2019-11-07 04:30:36,775 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2019-11-07 04:30:36,775 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2019-11-07 04:30:36,775 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-11-07 04:30:36,775 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2019-11-07 04:30:36,775 INFO L446 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2019-11-07 04:30:36,775 INFO L446 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2019-11-07 04:30:36,775 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-11-07 04:30:36,775 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-11-07 04:30:36,775 INFO L446 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2019-11-07 04:30:36,776 INFO L443 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2019-11-07 04:30:36,776 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-11-07 04:30:36,776 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-11-07 04:30:36,776 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2019-11-07 04:30:36,776 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2019-11-07 04:30:36,776 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:36,776 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) [2019-11-07 04:30:36,776 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:30:36,776 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:30:36,777 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:36,777 INFO L439 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:36,777 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2019-11-07 04:30:36,777 INFO L439 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:36,777 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-11-07 04:30:36,777 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2019-11-07 04:30:36,777 INFO L443 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2019-11-07 04:30:36,778 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2019-11-07 04:30:36,778 INFO L439 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 04:30:36,778 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2019-11-07 04:30:36,778 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-11-07 04:30:36,778 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-11-07 04:30:36,778 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2019-11-07 04:30:36,778 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2019-11-07 04:30:36,778 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2019-11-07 04:30:36,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:30:36 BoogieIcfgContainer [2019-11-07 04:30:36,792 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:30:36,794 INFO L168 Benchmark]: Toolchain (without parser) took 13340.14 ms. Allocated memory was 138.4 MB in the beginning and 404.8 MB in the end (delta: 266.3 MB). Free memory was 101.7 MB in the beginning and 142.9 MB in the end (delta: -41.2 MB). Peak memory consumption was 282.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:36,795 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 04:30:36,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1049.67 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 167.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:36,797 INFO L168 Benchmark]: Boogie Preprocessor took 90.87 ms. Allocated memory is still 200.8 MB. Free memory was 167.4 MB in the beginning and 163.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:36,798 INFO L168 Benchmark]: RCFGBuilder took 1595.73 ms. Allocated memory was 200.8 MB in the beginning and 233.8 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 147.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:36,799 INFO L168 Benchmark]: TraceAbstraction took 10591.84 ms. Allocated memory was 233.8 MB in the beginning and 404.8 MB in the end (delta: 170.9 MB). Free memory was 145.8 MB in the beginning and 142.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:36,802 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1049.67 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 101.5 MB in the beginning and 167.4 MB in the end (delta: -65.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.87 ms. Allocated memory is still 200.8 MB. Free memory was 167.4 MB in the beginning and 163.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1595.73 ms. Allocated memory was 200.8 MB in the beginning and 233.8 MB in the end (delta: 33.0 MB). Free memory was 163.4 MB in the beginning and 147.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10591.84 ms. Allocated memory was 233.8 MB in the beginning and 404.8 MB in the end (delta: 170.9 MB). Free memory was 145.8 MB in the beginning and 142.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((1 == systemActive && 1 <= pumpRunning) && 0 == splverifierCounter) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 187 locations, 1 error locations. Result: SAFE, OverallTime: 10.5s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, HoareTripleCheckerStatistics: 1277 SDtfs, 694 SDslu, 2461 SDs, 0 SdLazy, 1135 SolverSat, 124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 789 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=905occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 181 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1693 PreInvPairs, 1751 NumberOfFragments, 1622 HoareAnnotationTreeSize, 1693 FomulaSimplifications, 1591 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 3976 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1097 NumberOfCodeBlocks, 1097 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1465 ConstructedInterpolants, 0 QuantifiedInterpolants, 245650 SizeOfPredicates, 11 NumberOfNonLiveVariables, 2651 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 353/378 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...