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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:06,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:06,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:06,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:06,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:06,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:06,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:06,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:06,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:06,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:06,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:06,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:06,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:06,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:06,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:06,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:06,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:06,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:06,128 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:06,132 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:06,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:06,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:06,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:06,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:06,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:06,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:06,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:06,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:06,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:06,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:06,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:06,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:06,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:06,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:06,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:06,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:06,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:06,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:06,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:06,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:06,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:06,156 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 [2019-10-13 21:20:06,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:06,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:06,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:06,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:06,191 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:06,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:06,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:06,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:06,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:06,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:06,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:06,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:06,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:06,192 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:06,192 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:06,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:06,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:06,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:06,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:06,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:06,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:06,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:06,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:06,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:06,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:06,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:06,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:06,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:06,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:20:06,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:06,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:06,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:06,494 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:06,494 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:06,495 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2019-10-13 21:20:06,565 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fdb660b0/f26bb6437e454013804287c3bca2c117/FLAGa3b8b9552 [2019-10-13 21:20:07,037 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:07,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2019-10-13 21:20:07,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fdb660b0/f26bb6437e454013804287c3bca2c117/FLAGa3b8b9552 [2019-10-13 21:20:07,394 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fdb660b0/f26bb6437e454013804287c3bca2c117 [2019-10-13 21:20:07,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:07,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:07,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:07,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:07,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:07,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9dd291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:07, skipping insertion in model container [2019-10-13 21:20:07,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:07" (1/1) ... [2019-10-13 21:20:07,422 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:07,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:07,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:07,941 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:08,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:08,110 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:08,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08 WrapperNode [2019-10-13 21:20:08,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:08,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:08,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:08,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (1/1) ... [2019-10-13 21:20:08,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:08,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:08,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:08,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:08,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (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 [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:08,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:08,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,254 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:08,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:20:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:08,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:08,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:08,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:08,259 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:08,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:08,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:08,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:08,263 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:08,264 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:08,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:09,260 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:09,260 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:09,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09 BoogieIcfgContainer [2019-10-13 21:20:09,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:09,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:09,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:09,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:09,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:07" (1/3) ... [2019-10-13 21:20:09,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b26c997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:08" (2/3) ... [2019-10-13 21:20:09,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b26c997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:09" (3/3) ... [2019-10-13 21:20:09,270 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2019-10-13 21:20:09,281 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:09,289 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:09,300 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:09,326 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:09,326 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:09,326 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:09,326 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:09,327 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:09,327 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:09,327 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:09,327 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-13 21:20:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:09,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,360 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] [2019-10-13 21:20:09,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1514827661, now seen corresponding path program 1 times [2019-10-13 21:20:09,377 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748650536] [2019-10-13 21:20:09,378 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,378 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:09,708 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748650536] [2019-10-13 21:20:09,712 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,713 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:09,713 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776960621] [2019-10-13 21:20:09,718 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:09,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:09,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:09,746 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-13 21:20:09,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,801 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-10-13 21:20:09,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:09,802 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:09,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,816 INFO L225 Difference]: With dead ends: 292 [2019-10-13 21:20:09,816 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 21:20:09,821 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 [2019-10-13 21:20:09,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 21:20:09,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-13 21:20:09,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 21:20:09,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-10-13 21:20:09,878 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2019-10-13 21:20:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,879 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-10-13 21:20:09,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-10-13 21:20:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:09,883 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,883 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] [2019-10-13 21:20:09,883 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash -932487912, now seen corresponding path program 1 times [2019-10-13 21:20:09,884 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,884 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761603221] [2019-10-13 21:20:09,884 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,885 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761603221] [2019-10-13 21:20:10,033 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,034 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:10,034 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235606233] [2019-10-13 21:20:10,035 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:10,036 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:10,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:10,036 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2019-10-13 21:20:10,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,060 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-10-13 21:20:10,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:10,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,063 INFO L225 Difference]: With dead ends: 235 [2019-10-13 21:20:10,063 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 21:20:10,065 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 [2019-10-13 21:20:10,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 21:20:10,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 21:20:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 21:20:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-10-13 21:20:10,086 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2019-10-13 21:20:10,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,086 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-10-13 21:20:10,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:10,087 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-10-13 21:20:10,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:20:10,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,089 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] [2019-10-13 21:20:10,089 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,090 INFO L82 PathProgramCache]: Analyzing trace with hash -896226788, now seen corresponding path program 1 times [2019-10-13 21:20:10,090 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873765869] [2019-10-13 21:20:10,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,215 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873765869] [2019-10-13 21:20:10,216 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,216 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:10,216 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521557473] [2019-10-13 21:20:10,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:10,217 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:10,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:10,218 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2019-10-13 21:20:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,737 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2019-10-13 21:20:10,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:10,737 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:20:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,742 INFO L225 Difference]: With dead ends: 413 [2019-10-13 21:20:10,743 INFO L226 Difference]: Without dead ends: 300 [2019-10-13 21:20:10,744 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 [2019-10-13 21:20:10,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-13 21:20:10,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2019-10-13 21:20:10,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-10-13 21:20:10,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2019-10-13 21:20:10,809 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2019-10-13 21:20:10,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,810 INFO L462 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2019-10-13 21:20:10,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2019-10-13 21:20:10,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:20:10,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,814 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] [2019-10-13 21:20:10,815 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,815 INFO L82 PathProgramCache]: Analyzing trace with hash 278011294, now seen corresponding path program 1 times [2019-10-13 21:20:10,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,816 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888466187] [2019-10-13 21:20:10,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,816 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888466187] [2019-10-13 21:20:10,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:10,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:10,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754954143] [2019-10-13 21:20:10,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:10,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:10,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:10,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:10,930 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2019-10-13 21:20:11,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,135 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2019-10-13 21:20:11,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:11,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-13 21:20:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,147 INFO L225 Difference]: With dead ends: 813 [2019-10-13 21:20:11,147 INFO L226 Difference]: Without dead ends: 545 [2019-10-13 21:20:11,150 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:11,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-10-13 21:20:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2019-10-13 21:20:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-10-13 21:20:11,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2019-10-13 21:20:11,228 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2019-10-13 21:20:11,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,230 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2019-10-13 21:20:11,230 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2019-10-13 21:20:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:20:11,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,236 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] [2019-10-13 21:20:11,236 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1238143586, now seen corresponding path program 1 times [2019-10-13 21:20:11,237 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367473524] [2019-10-13 21:20:11,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,238 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,238 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367473524] [2019-10-13 21:20:11,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:11,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112963964] [2019-10-13 21:20:11,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:11,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:11,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:11,373 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2019-10-13 21:20:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,065 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2019-10-13 21:20:12,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:12,065 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-13 21:20:12,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,074 INFO L225 Difference]: With dead ends: 1380 [2019-10-13 21:20:12,074 INFO L226 Difference]: Without dead ends: 865 [2019-10-13 21:20:12,077 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:12,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-10-13 21:20:12,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2019-10-13 21:20:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-10-13 21:20:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2019-10-13 21:20:12,157 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2019-10-13 21:20:12,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,158 INFO L462 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2019-10-13 21:20:12,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2019-10-13 21:20:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:12,162 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,162 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,162 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,163 INFO L82 PathProgramCache]: Analyzing trace with hash 726814707, now seen corresponding path program 1 times [2019-10-13 21:20:12,163 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382935751] [2019-10-13 21:20:12,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,164 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,164 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,317 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382935751] [2019-10-13 21:20:12,317 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,318 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:12,318 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901412320] [2019-10-13 21:20:12,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:12,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:12,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:12,320 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2019-10-13 21:20:12,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,386 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2019-10-13 21:20:12,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:12,387 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-13 21:20:12,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,395 INFO L225 Difference]: With dead ends: 1542 [2019-10-13 21:20:12,395 INFO L226 Difference]: Without dead ends: 797 [2019-10-13 21:20:12,398 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-10-13 21:20:12,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2019-10-13 21:20:12,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-10-13 21:20:12,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2019-10-13 21:20:12,441 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2019-10-13 21:20:12,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,442 INFO L462 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2019-10-13 21:20:12,442 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2019-10-13 21:20:12,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:12,449 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,449 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,449 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1620301045, now seen corresponding path program 1 times [2019-10-13 21:20:12,450 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,450 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904000004] [2019-10-13 21:20:12,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,450 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904000004] [2019-10-13 21:20:12,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,548 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:12,548 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203773900] [2019-10-13 21:20:12,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:12,549 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:12,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:12,550 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2019-10-13 21:20:12,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,612 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2019-10-13 21:20:12,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:12,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-13 21:20:12,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,618 INFO L225 Difference]: With dead ends: 1582 [2019-10-13 21:20:12,618 INFO L226 Difference]: Without dead ends: 817 [2019-10-13 21:20:12,621 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2019-10-13 21:20:12,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2019-10-13 21:20:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-10-13 21:20:12,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2019-10-13 21:20:12,668 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2019-10-13 21:20:12,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,668 INFO L462 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2019-10-13 21:20:12,669 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2019-10-13 21:20:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-13 21:20:12,673 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,673 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,674 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1612541686, now seen corresponding path program 1 times [2019-10-13 21:20:12,675 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894170440] [2019-10-13 21:20:12,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,750 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:12,750 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894170440] [2019-10-13 21:20:12,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:12,751 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071613977] [2019-10-13 21:20:12,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:12,752 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:12,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:12,753 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2019-10-13 21:20:13,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,044 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2019-10-13 21:20:13,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:13,045 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-13 21:20:13,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,056 INFO L225 Difference]: With dead ends: 2547 [2019-10-13 21:20:13,056 INFO L226 Difference]: Without dead ends: 1766 [2019-10-13 21:20:13,059 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:13,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2019-10-13 21:20:13,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2019-10-13 21:20:13,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2019-10-13 21:20:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2019-10-13 21:20:13,194 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2019-10-13 21:20:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,194 INFO L462 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2019-10-13 21:20:13,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2019-10-13 21:20:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-13 21:20:13,201 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,201 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,201 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1468895920, now seen corresponding path program 1 times [2019-10-13 21:20:13,202 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785158601] [2019-10-13 21:20:13,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:13,380 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785158601] [2019-10-13 21:20:13,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074282485] [2019-10-13 21:20:13,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:13,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:13,921 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:14,794 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:14,794 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:14,794 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717303774] [2019-10-13 21:20:14,795 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:14,795 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:14,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:14,796 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 8 states. [2019-10-13 21:20:15,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,448 INFO L93 Difference]: Finished difference Result 3420 states and 4234 transitions. [2019-10-13 21:20:15,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:15,449 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-13 21:20:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,463 INFO L225 Difference]: With dead ends: 3420 [2019-10-13 21:20:15,464 INFO L226 Difference]: Without dead ends: 1709 [2019-10-13 21:20:15,471 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2019-10-13 21:20:15,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2019-10-13 21:20:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2019-10-13 21:20:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2063 transitions. [2019-10-13 21:20:15,599 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2063 transitions. Word has length 102 [2019-10-13 21:20:15,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,600 INFO L462 AbstractCegarLoop]: Abstraction has 1709 states and 2063 transitions. [2019-10-13 21:20:15,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:15,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2063 transitions. [2019-10-13 21:20:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:20:15,611 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,612 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:15,820 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:15,820 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,821 INFO L82 PathProgramCache]: Analyzing trace with hash 844933528, now seen corresponding path program 1 times [2019-10-13 21:20:15,821 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265801981] [2019-10-13 21:20:15,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,821 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:16,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265801981] [2019-10-13 21:20:16,278 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237412782] [2019-10-13 21:20:16,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:20:16,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:16,711 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:16,821 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:16,843 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:16,845 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:20:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:20:17,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-13 21:20:17,065 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103659767] [2019-10-13 21:20:17,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:17,066 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:17,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:20:17,067 INFO L87 Difference]: Start difference. First operand 1709 states and 2063 transitions. Second operand 9 states. [2019-10-13 21:20:18,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:18,735 INFO L93 Difference]: Finished difference Result 4851 states and 6679 transitions. [2019-10-13 21:20:18,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 21:20:18,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-13 21:20:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:18,765 INFO L225 Difference]: With dead ends: 4851 [2019-10-13 21:20:18,766 INFO L226 Difference]: Without dead ends: 3482 [2019-10-13 21:20:18,776 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-13 21:20:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2019-10-13 21:20:18,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 2769. [2019-10-13 21:20:18,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2019-10-13 21:20:19,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3441 transitions. [2019-10-13 21:20:19,008 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3441 transitions. Word has length 155 [2019-10-13 21:20:19,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:19,009 INFO L462 AbstractCegarLoop]: Abstraction has 2769 states and 3441 transitions. [2019-10-13 21:20:19,009 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:19,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3441 transitions. [2019-10-13 21:20:19,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:20:19,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:19,015 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:19,219 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:19,220 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:19,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1119693142, now seen corresponding path program 1 times [2019-10-13 21:20:19,221 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:19,221 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142446623] [2019-10-13 21:20:19,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:19,221 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:19,221 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:19,371 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-13 21:20:19,371 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142446623] [2019-10-13 21:20:19,371 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:19,371 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:20:19,372 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588050007] [2019-10-13 21:20:19,372 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:20:19,372 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:19,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:20:19,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:20:19,373 INFO L87 Difference]: Start difference. First operand 2769 states and 3441 transitions. Second operand 9 states. [2019-10-13 21:20:19,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:19,478 INFO L93 Difference]: Finished difference Result 3741 states and 4621 transitions. [2019-10-13 21:20:19,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:20:19,479 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-13 21:20:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:19,481 INFO L225 Difference]: With dead ends: 3741 [2019-10-13 21:20:19,481 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:19,490 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:19,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:19,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:19,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:19,492 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-13 21:20:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:19,492 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:19,492 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:20:19,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:19,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:19,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:20,500 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-13 21:20:21,148 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2019-10-13 21:20:21,539 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-10-13 21:20:22,015 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2019-10-13 21:20:22,207 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2019-10-13 21:20:22,322 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-13 21:20:22,447 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-10-13 21:20:22,703 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2019-10-13 21:20:23,119 WARN L191 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2019-10-13 21:20:23,343 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-10-13 21:20:23,576 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2019-10-13 21:20:23,754 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-10-13 21:20:23,890 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-13 21:20:24,048 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2019-10-13 21:20:24,243 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 20 [2019-10-13 21:20:24,745 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2019-10-13 21:20:25,277 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 42 [2019-10-13 21:20:25,465 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 34 [2019-10-13 21:20:25,748 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2019-10-13 21:20:25,996 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2019-10-13 21:20:26,154 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2019-10-13 21:20:26,157 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:20:26,157 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:20:26,157 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-13 21:20:26,157 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 589) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 543 598) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point L590(lines 567 591) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 543 598) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 543 598) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point L631-1(lines 631 635) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 599 658) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-10-13 21:20:26,158 INFO L443 ceAbstractionStarter]: For program point L625-2(lines 625 650) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 599 658) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point L651(lines 624 652) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 599 658) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point L644-1(line 644) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2019-10-13 21:20:26,159 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2019-10-13 21:20:26,159 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2019-10-13 21:20:26,160 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,160 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2019-10-13 21:20:26,160 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,160 INFO L439 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,160 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2019-10-13 21:20:26,160 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L439 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,161 INFO L439 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2019-10-13 21:20:26,161 INFO L439 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,161 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 926 949) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-13 21:20:26,162 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:20:26,163 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (or .cse6 .cse4)) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse5 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse3 .cse1 .cse4)) (or (or .cse5 .cse3 .cse1) .cse2) (or .cse5 .cse6 (not (<= 1 ~waterLevel~0)))))) [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (or .cse1 .cse8)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 .cse4)) (or (or .cse5 .cse4) .cse2) (or .cse5 .cse2 .cse3) (or .cse6 (or .cse7 .cse4 .cse8)) (or (or .cse0 .cse7 .cse4) .cse6)))) [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2019-10-13 21:20:26,164 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2019-10-13 21:20:26,165 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 401 436) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 401 436) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 428) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 401 436) no Hoare annotation was computed. [2019-10-13 21:20:26,166 INFO L443 ceAbstractionStarter]: For program point L420-2(lines 420 428) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 497 542) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 497 542) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 497 542) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 837) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 810 855) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 844) no Hoare annotation was computed. [2019-10-13 21:20:26,167 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 810 855) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 810 855) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-13 21:20:26,168 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2019-10-13 21:20:26,168 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-10-13 21:20:26,169 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-13 21:20:26,169 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1))) [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:26,170 INFO L439 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:26,170 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~systemActive~0 0)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse6 .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse7 .cse2) (or .cse6 .cse4 .cse0 .cse7) (or .cse6 .cse0 .cse3 .cse1))) [2019-10-13 21:20:26,170 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-10-13 21:20:26,170 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse5) (or .cse4 .cse2 .cse7 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse1 .cse4 .cse2 .cse7))) [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2019-10-13 21:20:26,171 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2019-10-13 21:20:26,171 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,171 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,171 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L439 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,172 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and (and .cse3 .cse0 .cse1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-13 21:20:26,172 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L439 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:26,173 INFO L439 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse1 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-13 21:20:26,173 INFO L439 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse4 .cse1 .cse6 .cse5) (and .cse1 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:26,173 INFO L443 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 764 809) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 764 809) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 764 809) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 791) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 798) no Hoare annotation was computed. [2019-10-13 21:20:26,174 INFO L443 ceAbstractionStarter]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-13 21:20:26,175 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 661 763) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L731(lines 709 732) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 706) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 757) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 730) no Hoare annotation was computed. [2019-10-13 21:20:26,176 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 661 763) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 748) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 661 763) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 760) no Hoare annotation was computed. [2019-10-13 21:20:26,177 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 730) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-13 21:20:26,178 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,178 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L439 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:26,179 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-13 21:20:26,179 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-10-13 21:20:26,180 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (or .cse0 .cse3 .cse2)) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (not (<= 1 ~waterLevel~0)) (<= 1 ~methaneLevelCritical~0)) (or (or (= ~systemActive~0 0) .cse3 .cse2) .cse1))) [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,181 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-13 21:20:26,182 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse9 (not (= 0 ~systemActive~0)))) (let ((.cse1 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse9)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~systemActive~0 0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse5 .cse6 .cse3) .cse7) (or .cse8 (or .cse4 .cse0 .cse6)) (or (or .cse0 .cse6 .cse3) .cse8) (or (or .cse4 .cse5 .cse6) .cse7)))) [2019-10-13 21:20:26,182 INFO L439 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (and .cse5 .cse9)) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and .cse9 .cse11))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0 (and (<= 2 ~waterLevel~0) .cse5)) (or .cse1 .cse6 .cse7 .cse8) (or .cse6 (and .cse7 .cse9) .cse8 .cse4) (or .cse10 (or .cse6 .cse3 .cse4) (and (not (= 0 ~systemActive~0)) .cse11)) (or .cse1 .cse6 (not (<= 1 |old(~waterLevel~0)|)) .cse10)))) [2019-10-13 21:20:26,183 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~systemActive~0 0)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse7 .cse10))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse4 (and .cse5 .cse7) .cse6 .cse8) (or (or .cse1 .cse2 .cse8) .cse3) (or .cse9 (or .cse4 .cse2 .cse8)) (or .cse0 .cse4 (not (<= 1 |old(~waterLevel~0)|)) .cse9)))) [2019-10-13 21:20:26,183 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse2) .cse4) (or .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or (or .cse3 .cse2 .cse5) .cse4) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-13 21:20:26,183 INFO L443 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2019-10-13 21:20:26,183 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2019-10-13 21:20:26,183 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2019-10-13 21:20:26,183 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2019-10-13 21:20:26,183 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2019-10-13 21:20:26,184 INFO L446 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L446 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-13 21:20:26,184 INFO L446 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2019-10-13 21:20:26,184 INFO L446 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2019-10-13 21:20:26,184 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse0))) [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,185 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:26,185 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:26,185 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L439 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse5 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse5))) [2019-10-13 21:20:26,186 INFO L443 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2019-10-13 21:20:26,186 INFO L439 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse2 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) .cse3) (or .cse1 .cse3 .cse2 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-13 21:20:26,186 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L439 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-13 21:20:26,187 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (<= 2 |old(~waterLevel~0)|)) (or (= ~systemActive~0 0) .cse4)) (or .cse2 .cse1 (or .cse3 .cse4)) (or .cse0 .cse3 .cse5 .cse6) (or .cse3 .cse5 .cse6 .cse4))) [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2019-10-13 21:20:26,188 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-10-13 21:20:26,188 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-10-13 21:20:26,189 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2019-10-13 21:20:26,189 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2019-10-13 21:20:26,189 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0) (or .cse3 .cse4 .cse1))) [2019-10-13 21:20:26,189 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-10-13 21:20:26,189 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-13 21:20:26,189 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-13 21:20:26,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:26 BoogieIcfgContainer [2019-10-13 21:20:26,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:26,205 INFO L168 Benchmark]: Toolchain (without parser) took 18801.26 ms. Allocated memory was 140.0 MB in the beginning and 508.0 MB in the end (delta: 368.1 MB). Free memory was 104.1 MB in the beginning and 101.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 393.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,206 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:20:26,207 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.43 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 166.6 MB in the end (delta: -63.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,208 INFO L168 Benchmark]: Boogie Preprocessor took 78.80 ms. Allocated memory is still 202.4 MB. Free memory was 166.6 MB in the beginning and 162.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,209 INFO L168 Benchmark]: RCFGBuilder took 1071.38 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 162.8 MB in the beginning and 186.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,210 INFO L168 Benchmark]: TraceAbstraction took 16940.84 ms. Allocated memory was 233.3 MB in the beginning and 508.0 MB in the end (delta: 274.7 MB). Free memory was 186.2 MB in the beginning and 101.2 MB in the end (delta: 85.0 MB). Peak memory consumption was 382.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:26,213 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 140.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.43 ms. Allocated memory was 140.0 MB in the beginning and 202.4 MB in the end (delta: 62.4 MB). Free memory was 103.6 MB in the beginning and 166.6 MB in the end (delta: -63.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.80 ms. Allocated memory is still 202.4 MB. Free memory was 166.6 MB in the beginning and 162.8 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1071.38 ms. Allocated memory was 202.4 MB in the beginning and 233.3 MB in the end (delta: 30.9 MB). Free memory was 162.8 MB in the beginning and 186.2 MB in the end (delta: -23.4 MB). Peak memory consumption was 76.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16940.84 ms. Allocated memory was 233.3 MB in the beginning and 508.0 MB in the end (delta: 274.7 MB). Free memory was 186.2 MB in the beginning and 101.2 MB in the end (delta: 85.0 MB). Peak memory consumption was 382.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Result: SAFE, OverallTime: 16.8s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, HoareTripleCheckerStatistics: 2063 SDtfs, 1398 SDslu, 6003 SDs, 0 SdLazy, 2333 SolverSat, 490 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 634 GetRequests, 531 SyntacticMatches, 10 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2769occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 11 MinimizatonAttempts, 874 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4234 PreInvPairs, 4431 NumberOfFragments, 2333 HoareAnnotationTreeSize, 4234 FomulaSimplifications, 9785 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 19591 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1225 NumberOfCodeBlocks, 1225 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 282351 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1671 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 142/154 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...