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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:20:43,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:20:43,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:20:43,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:20:43,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:20:43,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:20:43,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:20:43,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:20:43,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:20:43,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:20:43,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:20:43,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:20:43,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:20:43,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:20:43,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:20:43,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:20:43,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:20:43,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:20:43,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:20:43,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:20:43,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:20:43,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:20:43,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:20:43,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:20:43,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:20:43,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:20:43,134 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:20:43,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:20:43,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:20:43,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:20:43,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:20:43,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:20:43,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:20:43,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:20:43,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:20:43,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:20:43,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:20:43,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:20:43,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:20:43,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:20:43,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:20:43,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:20:43,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:20:43,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:20:43,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:20:43,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:20:43,177 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:20:43,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:20:43,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:20:43,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:20:43,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:20:43,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:20:43,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:20:43,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:20:43,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:20:43,179 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:20:43,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:20:43,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:20:43,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:20:43,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:20:43,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:20:43,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:20:43,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:20:43,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:43,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:20:43,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:20:43,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:20:43,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:20:43,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:20:43,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:20:43,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:20:43,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:20:43,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:20:43,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:20:43,474 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:20:43,475 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:20:43,476 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2019-10-15 03:20:43,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ec70c33f/4b2d338da2f645d5979637e26938cb96/FLAGed0048a8f [2019-10-15 03:20:44,127 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:20:44,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2019-10-15 03:20:44,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ec70c33f/4b2d338da2f645d5979637e26938cb96/FLAGed0048a8f [2019-10-15 03:20:44,399 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ec70c33f/4b2d338da2f645d5979637e26938cb96 [2019-10-15 03:20:44,408 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:20:44,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:20:44,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:44,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:20:44,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:20:44,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:44" (1/1) ... [2019-10-15 03:20:44,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b371b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:44, skipping insertion in model container [2019-10-15 03:20:44,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:20:44" (1/1) ... [2019-10-15 03:20:44,426 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:20:44,478 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:20:44,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:44,946 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:20:45,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:20:45,100 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:20:45,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45 WrapperNode [2019-10-15 03:20:45,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:20:45,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:20:45,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:20:45,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:20:45,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... [2019-10-15 03:20:45,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:20:45,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:20:45,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:20:45,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:20:45,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:20:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:20:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:20:45,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:20:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:20:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:20:45,246 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:20:45,247 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:20:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:20:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:20:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:20:45,248 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:20:45,249 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:20:45,249 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:20:45,249 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:20:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:20:45,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:20:45,251 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:20:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:20:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:20:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:20:45,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:20:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:20:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:20:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:20:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:20:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 03:20:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:20:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:20:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:20:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:20:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:20:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:20:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:20:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:20:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:20:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:20:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:20:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:20:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:20:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:20:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:20:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:20:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:20:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:20:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:20:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:20:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:20:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:20:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:20:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:20:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:20:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:20:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:20:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:20:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:20:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:20:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:20:46,820 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:20:46,821 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:20:46,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:46 BoogieIcfgContainer [2019-10-15 03:20:46,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:20:46,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:20:46,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:20:46,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:20:46,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:20:44" (1/3) ... [2019-10-15 03:20:46,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0c76cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:46, skipping insertion in model container [2019-10-15 03:20:46,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:20:45" (2/3) ... [2019-10-15 03:20:46,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0c76cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:20:46, skipping insertion in model container [2019-10-15 03:20:46,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:20:46" (3/3) ... [2019-10-15 03:20:46,832 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2019-10-15 03:20:46,842 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:20:46,851 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:20:46,862 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:20:46,889 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:20:46,889 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:20:46,889 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:20:46,889 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:20:46,890 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:20:46,890 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:20:46,890 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:20:46,890 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:20:46,910 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2019-10-15 03:20:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 03:20:46,919 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:46,920 INFO L380 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] [2019-10-15 03:20:46,922 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:46,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:46,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1080968445, now seen corresponding path program 1 times [2019-10-15 03:20:46,938 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:46,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692413354] [2019-10-15 03:20:46,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:46,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:46,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:47,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:47,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692413354] [2019-10-15 03:20:47,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:47,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:20:47,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763450825] [2019-10-15 03:20:47,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:20:47,235 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:47,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:20:47,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:47,253 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2019-10-15 03:20:47,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:47,315 INFO L93 Difference]: Finished difference Result 193 states and 232 transitions. [2019-10-15 03:20:47,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:20:47,317 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-15 03:20:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:47,330 INFO L225 Difference]: With dead ends: 193 [2019-10-15 03:20:47,330 INFO L226 Difference]: Without dead ends: 97 [2019-10-15 03:20:47,335 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:20:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2019-10-15 03:20:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2019-10-15 03:20:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-15 03:20:47,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2019-10-15 03:20:47,389 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2019-10-15 03:20:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:47,390 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2019-10-15 03:20:47,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:20:47,391 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2019-10-15 03:20:47,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-10-15 03:20:47,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:47,399 INFO L380 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] [2019-10-15 03:20:47,399 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:47,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1531760216, now seen corresponding path program 1 times [2019-10-15 03:20:47,400 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:47,400 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047690051] [2019-10-15 03:20:47,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:47,402 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:47,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:47,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047690051] [2019-10-15 03:20:47,566 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:47,566 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:20:47,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730368542] [2019-10-15 03:20:47,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:20:47,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:47,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:20:47,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:47,571 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 3 states. [2019-10-15 03:20:47,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:47,611 INFO L93 Difference]: Finished difference Result 147 states and 166 transitions. [2019-10-15 03:20:47,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:20:47,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2019-10-15 03:20:47,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:47,616 INFO L225 Difference]: With dead ends: 147 [2019-10-15 03:20:47,616 INFO L226 Difference]: Without dead ends: 89 [2019-10-15 03:20:47,620 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:20:47,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-15 03:20:47,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-10-15 03:20:47,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-15 03:20:47,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2019-10-15 03:20:47,650 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 48 [2019-10-15 03:20:47,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:47,650 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2019-10-15 03:20:47,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:20:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2019-10-15 03:20:47,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 03:20:47,654 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:47,654 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:20:47,656 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:47,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:47,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1356327959, now seen corresponding path program 1 times [2019-10-15 03:20:47,657 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:47,657 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601359856] [2019-10-15 03:20:47,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:47,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:47,658 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:47,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:47,852 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601359856] [2019-10-15 03:20:47,852 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:47,852 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:20:47,853 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980027915] [2019-10-15 03:20:47,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:20:47,854 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:47,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:20:47,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:47,857 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand 7 states. [2019-10-15 03:20:48,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:48,152 INFO L93 Difference]: Finished difference Result 156 states and 177 transitions. [2019-10-15 03:20:48,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:20:48,153 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 03:20:48,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:48,154 INFO L225 Difference]: With dead ends: 156 [2019-10-15 03:20:48,155 INFO L226 Difference]: Without dead ends: 89 [2019-10-15 03:20:48,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:20:48,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-15 03:20:48,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-10-15 03:20:48,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-15 03:20:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 98 transitions. [2019-10-15 03:20:48,167 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 98 transitions. Word has length 51 [2019-10-15 03:20:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:48,168 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 98 transitions. [2019-10-15 03:20:48,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:20:48,168 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 98 transitions. [2019-10-15 03:20:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-15 03:20:48,170 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:48,171 INFO L380 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] [2019-10-15 03:20:48,171 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:48,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:48,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2115650860, now seen corresponding path program 1 times [2019-10-15 03:20:48,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:48,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066604133] [2019-10-15 03:20:48,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:48,172 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:48,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:48,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066604133] [2019-10-15 03:20:48,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:48,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:20:48,272 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486113672] [2019-10-15 03:20:48,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:20:48,274 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:20:48,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:20:48,275 INFO L87 Difference]: Start difference. First operand 89 states and 98 transitions. Second operand 5 states. [2019-10-15 03:20:48,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:48,740 INFO L93 Difference]: Finished difference Result 243 states and 284 transitions. [2019-10-15 03:20:48,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:20:48,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2019-10-15 03:20:48,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:48,746 INFO L225 Difference]: With dead ends: 243 [2019-10-15 03:20:48,747 INFO L226 Difference]: Without dead ends: 176 [2019-10-15 03:20:48,748 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:20:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2019-10-15 03:20:48,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2019-10-15 03:20:48,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2019-10-15 03:20:48,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 177 transitions. [2019-10-15 03:20:48,807 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 177 transitions. Word has length 59 [2019-10-15 03:20:48,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:48,807 INFO L462 AbstractCegarLoop]: Abstraction has 159 states and 177 transitions. [2019-10-15 03:20:48,808 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:20:48,808 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 177 transitions. [2019-10-15 03:20:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 03:20:48,812 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:48,812 INFO L380 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] [2019-10-15 03:20:48,812 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:48,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:48,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1799904838, now seen corresponding path program 1 times [2019-10-15 03:20:48,813 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:48,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687834367] [2019-10-15 03:20:48,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:48,817 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:48,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:48,998 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687834367] [2019-10-15 03:20:48,998 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:48,998 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:20:48,999 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505587218] [2019-10-15 03:20:49,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:20:49,001 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:49,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:20:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:20:49,002 INFO L87 Difference]: Start difference. First operand 159 states and 177 transitions. Second operand 6 states. [2019-10-15 03:20:49,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:49,212 INFO L93 Difference]: Finished difference Result 391 states and 451 transitions. [2019-10-15 03:20:49,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:20:49,214 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2019-10-15 03:20:49,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:49,225 INFO L225 Difference]: With dead ends: 391 [2019-10-15 03:20:49,225 INFO L226 Difference]: Without dead ends: 254 [2019-10-15 03:20:49,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:20:49,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2019-10-15 03:20:49,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 244. [2019-10-15 03:20:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2019-10-15 03:20:49,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 275 transitions. [2019-10-15 03:20:49,264 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 275 transitions. Word has length 68 [2019-10-15 03:20:49,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:49,264 INFO L462 AbstractCegarLoop]: Abstraction has 244 states and 275 transitions. [2019-10-15 03:20:49,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:20:49,265 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 275 transitions. [2019-10-15 03:20:49,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-15 03:20:49,267 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:49,267 INFO L380 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] [2019-10-15 03:20:49,267 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:49,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:49,268 INFO L82 PathProgramCache]: Analyzing trace with hash -501860703, now seen corresponding path program 1 times [2019-10-15 03:20:49,268 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:49,268 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832950840] [2019-10-15 03:20:49,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:49,268 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:49,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:49,408 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832950840] [2019-10-15 03:20:49,408 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:49,409 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:20:49,409 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645466874] [2019-10-15 03:20:49,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:20:49,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:49,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:20:49,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:20:49,410 INFO L87 Difference]: Start difference. First operand 244 states and 275 transitions. Second operand 10 states. [2019-10-15 03:20:49,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:49,660 INFO L93 Difference]: Finished difference Result 472 states and 534 transitions. [2019-10-15 03:20:49,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:20:49,661 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2019-10-15 03:20:49,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:49,662 INFO L225 Difference]: With dead ends: 472 [2019-10-15 03:20:49,663 INFO L226 Difference]: Without dead ends: 133 [2019-10-15 03:20:49,664 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:20:49,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-15 03:20:49,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2019-10-15 03:20:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-10-15 03:20:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 140 transitions. [2019-10-15 03:20:49,676 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 140 transitions. Word has length 71 [2019-10-15 03:20:49,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:49,677 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 140 transitions. [2019-10-15 03:20:49,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:20:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 140 transitions. [2019-10-15 03:20:49,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-10-15 03:20:49,678 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:20:49,678 INFO L380 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] [2019-10-15 03:20:49,679 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:20:49,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:20:49,679 INFO L82 PathProgramCache]: Analyzing trace with hash -675085032, now seen corresponding path program 1 times [2019-10-15 03:20:49,679 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:20:49,680 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238545646] [2019-10-15 03:20:49,680 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:49,680 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:20:49,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:20:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:20:49,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:20:49,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238545646] [2019-10-15 03:20:49,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:20:49,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-15 03:20:49,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690062220] [2019-10-15 03:20:49,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-15 03:20:49,989 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:20:49,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-15 03:20:49,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-10-15 03:20:49,989 INFO L87 Difference]: Start difference. First operand 131 states and 140 transitions. Second operand 14 states. [2019-10-15 03:20:50,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:20:50,360 INFO L93 Difference]: Finished difference Result 212 states and 233 transitions. [2019-10-15 03:20:50,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-15 03:20:50,361 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 71 [2019-10-15 03:20:50,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:20:50,362 INFO L225 Difference]: With dead ends: 212 [2019-10-15 03:20:50,362 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 03:20:50,363 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2019-10-15 03:20:50,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 03:20:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 03:20:50,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 03:20:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 03:20:50,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2019-10-15 03:20:50,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:20:50,365 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 03:20:50,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-15 03:20:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 03:20:50,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 03:20:50,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 03:20:50,963 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-10-15 03:20:51,373 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 28 [2019-10-15 03:20:51,737 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 26 [2019-10-15 03:20:52,171 INFO L443 ceAbstractionStarter]: For program point L479(lines 456 480) no Hoare annotation was computed. [2019-10-15 03:20:52,171 INFO L443 ceAbstractionStarter]: For program point L463(lines 463 467) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point L540(lines 513 541) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-15 03:20:52,172 INFO L443 ceAbstractionStarter]: For program point L533-1(line 533) no Hoare annotation was computed. [2019-10-15 03:20:52,173 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2019-10-15 03:20:52,173 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2019-10-15 03:20:52,173 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-10-15 03:20:52,173 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2019-10-15 03:20:52,173 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2019-10-15 03:20:52,173 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2019-10-15 03:20:52,174 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2019-10-15 03:20:52,174 INFO L439 ceAbstractionStarter]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,174 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,174 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2019-10-15 03:20:52,174 INFO L439 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,175 INFO L439 ceAbstractionStarter]: At program point L200-1(line 200) the Hoare annotation is: (or (and (= main_~tmp~1 ~systemActive~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,175 INFO L443 ceAbstractionStarter]: For program point L198(lines 198 205) no Hoare annotation was computed. [2019-10-15 03:20:52,175 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2019-10-15 03:20:52,175 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-10-15 03:20:52,175 INFO L439 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,175 INFO L439 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point L161(line 161) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2019-10-15 03:20:52,176 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L155(line 155) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L149(line 149) no Hoare annotation was computed. [2019-10-15 03:20:52,177 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2019-10-15 03:20:52,178 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L443 ceAbstractionStarter]: For program point L346-1(line 346) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2019-10-15 03:20:52,178 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2019-10-15 03:20:52,179 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2019-10-15 03:20:52,179 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2019-10-15 03:20:52,179 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2019-10-15 03:20:52,179 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2019-10-15 03:20:52,179 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,179 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2019-10-15 03:20:52,179 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point L301(line 301) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2019-10-15 03:20:52,180 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2019-10-15 03:20:52,181 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2019-10-15 03:20:52,181 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2019-10-15 03:20:52,181 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:20:52,181 INFO L439 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2019-10-15 03:20:52,181 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2019-10-15 03:20:52,181 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:20:52,182 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:20:52,182 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-15 03:20:52,182 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:20:52,182 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-15 03:20:52,182 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-10-15 03:20:52,182 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2019-10-15 03:20:52,183 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2019-10-15 03:20:52,183 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,183 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:20:52,183 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-15 03:20:52,183 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:20:52,184 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-15 03:20:52,184 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-15 03:20:52,184 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 0)))) [2019-10-15 03:20:52,184 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-15 03:20:52,184 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-15 03:20:52,184 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-15 03:20:52,184 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~pumpRunning~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2019-10-15 03:20:52,184 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-15 03:20:52,184 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 578) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point L620(lines 598 621) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2019-10-15 03:20:52,185 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 595) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point L600(lines 599 619) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point L631(line 631) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point L596(lines 596 637) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point L615-1(line 615) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-15 03:20:52,186 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-10-15 03:20:52,187 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2019-10-15 03:20:52,187 INFO L446 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2019-10-15 03:20:52,187 INFO L443 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2019-10-15 03:20:52,187 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2019-10-15 03:20:52,187 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-15 03:20:52,187 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-15 03:20:52,187 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2019-10-15 03:20:52,187 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-15 03:20:52,187 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:20:52,187 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 03:20:52,188 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse3 (= 1 ~waterLevel~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 1) .cse1) (or (not (= ~waterLevel~0 2)) (= |old(~waterLevel~0)| 2) .cse2 .cse1) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse0 .cse1 .cse4) (or .cse2 (= ~pumpRunning~0 0) .cse1))) [2019-10-15 03:20:52,188 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= ~waterLevel~0 2)) (= |old(~waterLevel~0)| 2) .cse1 .cse0) (or .cse1 (= 1 ~waterLevel~0) .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse1 (= ~pumpRunning~0 0) .cse0))) [2019-10-15 03:20:52,188 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2019-10-15 03:20:52,188 INFO L439 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0)) .cse2 .cse1 .cse0) (or .cse2 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 03:20:52,188 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2019-10-15 03:20:52,188 INFO L439 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 1) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2019-10-15 03:20:52,188 INFO L443 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2019-10-15 03:20:52,189 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2019-10-15 03:20:52,189 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 131) no Hoare annotation was computed. [2019-10-15 03:20:52,189 INFO L446 ceAbstractionStarter]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2019-10-15 03:20:52,189 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2019-10-15 03:20:52,189 INFO L446 ceAbstractionStarter]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2019-10-15 03:20:52,189 INFO L446 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: true [2019-10-15 03:20:52,189 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-15 03:20:52,189 INFO L446 ceAbstractionStarter]: At program point L138(lines 113 142) the Hoare annotation is: true [2019-10-15 03:20:52,190 INFO L443 ceAbstractionStarter]: For program point L134(line 134) no Hoare annotation was computed. [2019-10-15 03:20:52,190 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-15 03:20:52,190 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-15 03:20:52,190 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 773) no Hoare annotation was computed. [2019-10-15 03:20:52,190 INFO L439 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))))) [2019-10-15 03:20:52,190 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2019-10-15 03:20:52,190 INFO L443 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2019-10-15 03:20:52,191 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 776) no Hoare annotation was computed. [2019-10-15 03:20:52,191 INFO L443 ceAbstractionStarter]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2019-10-15 03:20:52,191 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2019-10-15 03:20:52,191 INFO L446 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: true [2019-10-15 03:20:52,191 INFO L443 ceAbstractionStarter]: For program point L761-1(line 761) no Hoare annotation was computed. [2019-10-15 03:20:52,191 INFO L443 ceAbstractionStarter]: For program point L757(lines 757 777) no Hoare annotation was computed. [2019-10-15 03:20:52,191 INFO L446 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2019-10-15 03:20:52,192 INFO L443 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2019-10-15 03:20:52,192 INFO L439 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0))) [2019-10-15 03:20:52,192 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-10-15 03:20:52,192 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-15 03:20:52,192 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2019-10-15 03:20:52,192 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2019-10-15 03:20:52,192 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 03:20:52,193 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 03:20:52,193 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 03:20:52,193 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 03:20:52,193 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2019-10-15 03:20:52,193 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1))) [2019-10-15 03:20:52,193 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-15 03:20:52,193 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (or (not (= ~waterLevel~0 2)) (= |old(~waterLevel~0)| 2) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))) [2019-10-15 03:20:52,193 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2019-10-15 03:20:52,193 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2019-10-15 03:20:52,193 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2019-10-15 03:20:52,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 03:20:52 BoogieIcfgContainer [2019-10-15 03:20:52,209 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 03:20:52,211 INFO L168 Benchmark]: Toolchain (without parser) took 7801.58 ms. Allocated memory was 140.5 MB in the beginning and 309.9 MB in the end (delta: 169.3 MB). Free memory was 104.3 MB in the beginning and 225.6 MB in the end (delta: -121.3 MB). Peak memory consumption was 149.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:52,212 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 03:20:52,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.79 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 104.3 MB in the beginning and 171.9 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:52,214 INFO L168 Benchmark]: Boogie Preprocessor took 80.45 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:52,215 INFO L168 Benchmark]: RCFGBuilder took 1640.40 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 167.2 MB in the beginning and 144.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:52,216 INFO L168 Benchmark]: TraceAbstraction took 5385.08 ms. Allocated memory was 233.3 MB in the beginning and 309.9 MB in the end (delta: 76.5 MB). Free memory was 144.2 MB in the beginning and 225.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. [2019-10-15 03:20:52,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.79 ms. Allocated memory was 140.5 MB in the beginning and 204.5 MB in the end (delta: 64.0 MB). Free memory was 104.3 MB in the beginning and 171.9 MB in the end (delta: -67.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.45 ms. Allocated memory is still 204.5 MB. Free memory was 171.9 MB in the beginning and 167.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1640.40 ms. Allocated memory was 204.5 MB in the beginning and 233.3 MB in the end (delta: 28.8 MB). Free memory was 167.2 MB in the beginning and 144.2 MB in the end (delta: 23.0 MB). Peak memory consumption was 78.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5385.08 ms. Allocated memory was 233.3 MB in the beginning and 309.9 MB in the end (delta: 76.5 MB). Free memory was 144.2 MB in the beginning and 225.6 MB in the end (delta: -81.3 MB). Peak memory consumption was 96.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: 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: 54]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((1 == systemActive && !(waterLevel == 2)) && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || ((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 173 locations, 1 error locations. Result: SAFE, OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, HoareTripleCheckerStatistics: 752 SDtfs, 586 SDslu, 2122 SDs, 0 SdLazy, 596 SolverSat, 315 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=244occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 29 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 429 PreInvPairs, 465 NumberOfFragments, 833 HoareAnnotationTreeSize, 429 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 53 FomulaSimplificationsInter, 2318 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 415 NumberOfCodeBlocks, 415 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 408 ConstructedInterpolants, 0 QuantifiedInterpolants, 44266 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 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...