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_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:53,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:53,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:53,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:53,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:53,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:53,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:53,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:53,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:53,171 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:53,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:53,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:53,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:53,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:53,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:53,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:53,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:53,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:53,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:53,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:53,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:53,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:53,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:53,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:53,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:53,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:53,188 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:53,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:53,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:53,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:53,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:53,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:53,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:53,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:53,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:53,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:53,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:53,194 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:53,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:53,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:53,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:53,197 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 21:21:53,211 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:53,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:53,212 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:53,212 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:53,212 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:53,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:53,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:53,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:53,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:53,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:53,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:53,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:53,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:53,214 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:53,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:53,215 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:53,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:53,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:53,215 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:53,215 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:53,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:53,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:53,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:53,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:53,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:53,217 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:53,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:53,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:53,217 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 21:21:53,511 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:53,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:53,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:53,529 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:53,529 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:53,530 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-13 21:21:53,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a84d387/3884ed0eef334d12906945619a80c0b8/FLAGf8c7b79b6 [2019-10-13 21:21:54,144 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:54,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product23.cil.c [2019-10-13 21:21:54,158 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a84d387/3884ed0eef334d12906945619a80c0b8/FLAGf8c7b79b6 [2019-10-13 21:21:54,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43a84d387/3884ed0eef334d12906945619a80c0b8 [2019-10-13 21:21:54,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:54,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:54,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:54,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:54,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:54,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:54" (1/1) ... [2019-10-13 21:21:54,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4924bc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:54, skipping insertion in model container [2019-10-13 21:21:54,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:54" (1/1) ... [2019-10-13 21:21:54,425 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:54,474 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:54,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:54,922 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:55,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:55,068 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:55,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55 WrapperNode [2019-10-13 21:21:55,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:55,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:55,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:55,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:55,084 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (1/1) ... [2019-10-13 21:21:55,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:55,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:55,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:55,173 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:55,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (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 21:21:55,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:55,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:55,249 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:55,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:55,251 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:21:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:55,252 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:21:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:55,253 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:55,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:55,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:55,255 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:55,256 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:55,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:55,258 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:21:55,259 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:55,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:21:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-10-13 21:21:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:55,261 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:55,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:56,478 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:56,479 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:56,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:56 BoogieIcfgContainer [2019-10-13 21:21:56,480 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:56,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:56,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:56,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:56,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:54" (1/3) ... [2019-10-13 21:21:56,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:56, skipping insertion in model container [2019-10-13 21:21:56,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:55" (2/3) ... [2019-10-13 21:21:56,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e5e8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:56, skipping insertion in model container [2019-10-13 21:21:56,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:56" (3/3) ... [2019-10-13 21:21:56,489 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product23.cil.c [2019-10-13 21:21:56,499 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:56,508 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:56,519 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:56,547 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:56,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:56,547 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:56,547 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:56,548 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:56,548 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:56,548 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:56,548 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2019-10-13 21:21:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:21:56,585 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:56,586 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 21:21:56,588 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:56,594 INFO L82 PathProgramCache]: Analyzing trace with hash -635159435, now seen corresponding path program 1 times [2019-10-13 21:21:56,604 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:56,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017571229] [2019-10-13 21:21:56,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:56,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:56,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:56,990 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 21:21:56,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017571229] [2019-10-13 21:21:56,992 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:56,992 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:56,993 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910825727] [2019-10-13 21:21:57,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:57,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:57,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:57,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:57,025 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2019-10-13 21:21:57,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:57,085 INFO L93 Difference]: Finished difference Result 256 states and 319 transitions. [2019-10-13 21:21:57,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:57,087 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:21:57,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:57,112 INFO L225 Difference]: With dead ends: 256 [2019-10-13 21:21:57,113 INFO L226 Difference]: Without dead ends: 128 [2019-10-13 21:21:57,121 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 21:21:57,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2019-10-13 21:21:57,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2019-10-13 21:21:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2019-10-13 21:21:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2019-10-13 21:21:57,190 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 46 [2019-10-13 21:21:57,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:57,190 INFO L462 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2019-10-13 21:21:57,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2019-10-13 21:21:57,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:21:57,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:57,195 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 21:21:57,195 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:57,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:57,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1199676654, now seen corresponding path program 1 times [2019-10-13 21:21:57,196 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:57,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121040594] [2019-10-13 21:21:57,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:57,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:57,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:57,336 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 21:21:57,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121040594] [2019-10-13 21:21:57,336 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:57,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:57,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123084032] [2019-10-13 21:21:57,339 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:57,340 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:57,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:57,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:57,340 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 3 states. [2019-10-13 21:21:57,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:57,374 INFO L93 Difference]: Finished difference Result 199 states and 233 transitions. [2019-10-13 21:21:57,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:57,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:21:57,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:57,377 INFO L225 Difference]: With dead ends: 199 [2019-10-13 21:21:57,378 INFO L226 Difference]: Without dead ends: 119 [2019-10-13 21:21:57,379 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 21:21:57,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-13 21:21:57,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-13 21:21:57,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-13 21:21:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2019-10-13 21:21:57,394 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 47 [2019-10-13 21:21:57,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:57,395 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2019-10-13 21:21:57,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2019-10-13 21:21:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-13 21:21:57,398 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:57,398 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 21:21:57,398 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:57,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:57,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1199325015, now seen corresponding path program 1 times [2019-10-13 21:21:57,399 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:57,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82283252] [2019-10-13 21:21:57,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:57,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:57,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:57,602 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 21:21:57,603 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82283252] [2019-10-13 21:21:57,603 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:57,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:57,604 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614085125] [2019-10-13 21:21:57,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:57,605 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:57,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:57,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:57,605 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 7 states. [2019-10-13 21:21:58,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:58,092 INFO L93 Difference]: Finished difference Result 359 states and 435 transitions. [2019-10-13 21:21:58,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:58,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-13 21:21:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:58,098 INFO L225 Difference]: With dead ends: 359 [2019-10-13 21:21:58,098 INFO L226 Difference]: Without dead ends: 264 [2019-10-13 21:21:58,100 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 21:21:58,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2019-10-13 21:21:58,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 256. [2019-10-13 21:21:58,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2019-10-13 21:21:58,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 310 transitions. [2019-10-13 21:21:58,170 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 310 transitions. Word has length 51 [2019-10-13 21:21:58,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:58,199 INFO L462 AbstractCegarLoop]: Abstraction has 256 states and 310 transitions. [2019-10-13 21:21:58,199 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 310 transitions. [2019-10-13 21:21:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:58,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:58,210 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 21:21:58,210 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:58,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:58,211 INFO L82 PathProgramCache]: Analyzing trace with hash -274049321, now seen corresponding path program 1 times [2019-10-13 21:21:58,211 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:58,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414922238] [2019-10-13 21:21:58,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:58,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:58,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:58,394 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 21:21:58,395 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414922238] [2019-10-13 21:21:58,395 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:58,395 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:58,395 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048344789] [2019-10-13 21:21:58,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:58,396 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:58,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:58,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:58,397 INFO L87 Difference]: Start difference. First operand 256 states and 310 transitions. Second operand 10 states. [2019-10-13 21:21:59,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,055 INFO L93 Difference]: Finished difference Result 904 states and 1159 transitions. [2019-10-13 21:21:59,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:21:59,056 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-10-13 21:21:59,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,063 INFO L225 Difference]: With dead ends: 904 [2019-10-13 21:21:59,063 INFO L226 Difference]: Without dead ends: 672 [2019-10-13 21:21:59,065 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:59,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2019-10-13 21:21:59,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 660. [2019-10-13 21:21:59,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 660 states. [2019-10-13 21:21:59,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 820 transitions. [2019-10-13 21:21:59,151 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 820 transitions. Word has length 57 [2019-10-13 21:21:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,152 INFO L462 AbstractCegarLoop]: Abstraction has 660 states and 820 transitions. [2019-10-13 21:21:59,152 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:59,152 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 820 transitions. [2019-10-13 21:21:59,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-13 21:21:59,156 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,156 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 21:21:59,157 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,157 INFO L82 PathProgramCache]: Analyzing trace with hash 2094502109, now seen corresponding path program 1 times [2019-10-13 21:21:59,157 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227944371] [2019-10-13 21:21:59,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,158 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,255 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 21:21:59,255 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227944371] [2019-10-13 21:21:59,255 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:59,256 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:21:59,256 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639636478] [2019-10-13 21:21:59,256 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:21:59,257 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:59,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:21:59,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:21:59,257 INFO L87 Difference]: Start difference. First operand 660 states and 820 transitions. Second operand 4 states. [2019-10-13 21:21:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:59,451 INFO L93 Difference]: Finished difference Result 1062 states and 1360 transitions. [2019-10-13 21:21:59,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:59,452 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-10-13 21:21:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:59,457 INFO L225 Difference]: With dead ends: 1062 [2019-10-13 21:21:59,457 INFO L226 Difference]: Without dead ends: 426 [2019-10-13 21:21:59,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:59,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-13 21:21:59,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 414. [2019-10-13 21:21:59,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-13 21:21:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 476 transitions. [2019-10-13 21:21:59,502 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 476 transitions. Word has length 61 [2019-10-13 21:21:59,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:59,503 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 476 transitions. [2019-10-13 21:21:59,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:21:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 476 transitions. [2019-10-13 21:21:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:59,507 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:59,507 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:59,508 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:59,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:59,508 INFO L82 PathProgramCache]: Analyzing trace with hash 1427524119, now seen corresponding path program 1 times [2019-10-13 21:21:59,508 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:59,509 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019541711] [2019-10-13 21:21:59,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,509 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:59,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:59,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,641 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 21:21:59,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019541711] [2019-10-13 21:21:59,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483136028] [2019-10-13 21:21:59,642 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 21:21:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:59,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 750 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:21:59,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:59,965 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:59,965 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:00,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:00,242 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [896604781] [2019-10-13 21:22:00,249 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 89 [2019-10-13 21:22:00,290 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:00,290 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:00,386 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:00,388 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:00,392 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:00,443 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:00,444 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:00,447 INFO L553 sIntCurrentIteration]: We unified 87 AI predicates to 87 [2019-10-13 21:22:00,447 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:00,448 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:00,448 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-10-13 21:22:00,448 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129599770] [2019-10-13 21:22:00,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:00,450 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:00,450 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:00,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:00,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:00,450 INFO L87 Difference]: Start difference. First operand 414 states and 476 transitions. Second operand 2 states. [2019-10-13 21:22:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:00,457 INFO L93 Difference]: Finished difference Result 414 states and 476 transitions. [2019-10-13 21:22:00,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:00,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 88 [2019-10-13 21:22:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:00,458 INFO L225 Difference]: With dead ends: 414 [2019-10-13 21:22:00,458 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:00,459 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 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 21:22:00,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:00,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:00,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:00,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:00,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2019-10-13 21:22:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:00,460 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:00,460 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:00,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:00,665 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:00,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:00,912 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-10-13 21:22:00,912 INFO L443 ceAbstractionStarter]: For program point L126-2(lines 126 147) no Hoare annotation was computed. [2019-10-13 21:22:00,912 INFO L443 ceAbstractionStarter]: For program point L148(lines 125 149) no Hoare annotation was computed. [2019-10-13 21:22:00,912 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 101 156) no Hoare annotation was computed. [2019-10-13 21:22:00,912 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 101 156) no Hoare annotation was computed. [2019-10-13 21:22:00,912 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 101 156) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 189 193) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 157 216) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point L183-2(lines 183 208) no Hoare annotation was computed. [2019-10-13 21:22:00,913 INFO L443 ceAbstractionStarter]: For program point L209(lines 182 210) no Hoare annotation was computed. [2019-10-13 21:22:00,914 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 157 216) no Hoare annotation was computed. [2019-10-13 21:22:00,914 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-10-13 21:22:00,914 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 157 216) no Hoare annotation was computed. [2019-10-13 21:22:00,914 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 21:22:00,914 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 532 538) the Hoare annotation is: true [2019-10-13 21:22:00,914 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 532 538) no Hoare annotation was computed. [2019-10-13 21:22:00,915 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 539 547) no Hoare annotation was computed. [2019-10-13 21:22:00,915 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 539 547) the Hoare annotation is: true [2019-10-13 21:22:00,915 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 539 547) no Hoare annotation was computed. [2019-10-13 21:22:00,915 INFO L446 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2019-10-13 21:22:00,915 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 817 841) the Hoare annotation is: true [2019-10-13 21:22:00,915 INFO L443 ceAbstractionStarter]: For program point L829(lines 829 835) no Hoare annotation was computed. [2019-10-13 21:22:00,916 INFO L446 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2019-10-13 21:22:00,916 INFO L443 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2019-10-13 21:22:00,916 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 838) no Hoare annotation was computed. [2019-10-13 21:22:00,916 INFO L443 ceAbstractionStarter]: For program point L825-1(lines 817 841) no Hoare annotation was computed. [2019-10-13 21:22:00,916 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-10-13 21:22:00,916 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 21:22:00,916 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 817 841) no Hoare annotation was computed. [2019-10-13 21:22:00,916 INFO L446 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2019-10-13 21:22:00,917 INFO L446 ceAbstractionStarter]: At program point L927-1(line 927) the Hoare annotation is: true [2019-10-13 21:22:00,917 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 915 937) the Hoare annotation is: true [2019-10-13 21:22:00,917 INFO L443 ceAbstractionStarter]: For program point L925(lines 925 932) no Hoare annotation was computed. [2019-10-13 21:22:00,917 INFO L443 ceAbstractionStarter]: For program point L925-1(lines 925 932) no Hoare annotation was computed. [2019-10-13 21:22:00,917 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 21:22:00,917 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-10-13 21:22:00,917 INFO L446 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2019-10-13 21:22:00,918 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 915 937) no Hoare annotation was computed. [2019-10-13 21:22:00,918 INFO L446 ceAbstractionStarter]: At program point L921-1(line 921) the Hoare annotation is: true [2019-10-13 21:22:00,918 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 915 937) no Hoare annotation was computed. [2019-10-13 21:22:00,918 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 874 897) no Hoare annotation was computed. [2019-10-13 21:22:00,918 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 874 897) no Hoare annotation was computed. [2019-10-13 21:22:00,918 INFO L443 ceAbstractionStarter]: For program point L892(line 892) no Hoare annotation was computed. [2019-10-13 21:22:00,918 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 874 897) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L891(line 891) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L890(line 890) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L888(line 888) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L886(line 886) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-10-13 21:22:00,919 INFO L443 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L443 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L443 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L443 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L443 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L443 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 801 815) no Hoare annotation was computed. [2019-10-13 21:22:00,920 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-10-13 21:22:00,920 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 801 815) the Hoare annotation is: true [2019-10-13 21:22:00,921 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 811) no Hoare annotation was computed. [2019-10-13 21:22:00,921 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 801 815) no Hoare annotation was computed. [2019-10-13 21:22:00,921 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:22:00,921 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 737 745) the Hoare annotation is: true [2019-10-13 21:22:00,921 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 737 745) no Hoare annotation was computed. [2019-10-13 21:22:00,921 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 782 800) the Hoare annotation is: true [2019-10-13 21:22:00,921 INFO L443 ceAbstractionStarter]: For program point L791(lines 791 795) no Hoare annotation was computed. [2019-10-13 21:22:00,921 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 782 800) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L446 ceAbstractionStarter]: At program point L789(line 789) the Hoare annotation is: true [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point L791-2(lines 791 795) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point L789-1(line 789) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 782 800) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point L765(lines 765 773) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 761) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point L753-2(lines 753 761) no Hoare annotation was computed. [2019-10-13 21:22:00,922 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 746 781) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point L776-1(line 776) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 746 781) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 746 781) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 525 531) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 525 531) the Hoare annotation is: true [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 55 100) no Hoare annotation was computed. [2019-10-13 21:22:00,923 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 55 100) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 55 100) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 402) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 402) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 368 413) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 395) no Hoare annotation was computed. [2019-10-13 21:22:00,924 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 905 914) the Hoare annotation is: true [2019-10-13 21:22:00,925 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 905 914) no Hoare annotation was computed. [2019-10-13 21:22:00,925 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 905 914) no Hoare annotation was computed. [2019-10-13 21:22:00,925 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 726 736) the Hoare annotation is: true [2019-10-13 21:22:00,925 INFO L446 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: true [2019-10-13 21:22:00,925 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 726 736) no Hoare annotation was computed. [2019-10-13 21:22:00,925 INFO L443 ceAbstractionStarter]: For program point L731-1(line 731) no Hoare annotation was computed. [2019-10-13 21:22:00,925 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 726 736) no Hoare annotation was computed. [2019-10-13 21:22:00,925 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 718 725) the Hoare annotation is: true [2019-10-13 21:22:00,925 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 718 725) no Hoare annotation was computed. [2019-10-13 21:22:00,926 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 718 725) no Hoare annotation was computed. [2019-10-13 21:22:00,926 INFO L446 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2019-10-13 21:22:00,926 INFO L443 ceAbstractionStarter]: For program point L704-1(lines 685 709) no Hoare annotation was computed. [2019-10-13 21:22:00,926 INFO L446 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: true [2019-10-13 21:22:00,926 INFO L446 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: true [2019-10-13 21:22:00,926 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 685 709) no Hoare annotation was computed. [2019-10-13 21:22:00,926 INFO L443 ceAbstractionStarter]: For program point L693(lines 693 701) no Hoare annotation was computed. [2019-10-13 21:22:00,926 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 685 709) the Hoare annotation is: true [2019-10-13 21:22:00,927 INFO L446 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: true [2019-10-13 21:22:00,927 INFO L443 ceAbstractionStarter]: For program point L691-1(line 691) no Hoare annotation was computed. [2019-10-13 21:22:00,927 INFO L443 ceAbstractionStarter]: For program point L689(lines 689 706) no Hoare annotation was computed. [2019-10-13 21:22:00,927 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 651 657) no Hoare annotation was computed. [2019-10-13 21:22:00,927 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 651 657) the Hoare annotation is: true [2019-10-13 21:22:00,927 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 552 617) the Hoare annotation is: true [2019-10-13 21:22:00,927 INFO L446 ceAbstractionStarter]: At program point L607(lines 562 609) the Hoare annotation is: true [2019-10-13 21:22:00,927 INFO L446 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: true [2019-10-13 21:22:00,928 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 578) no Hoare annotation was computed. [2019-10-13 21:22:00,928 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 572 578) no Hoare annotation was computed. [2019-10-13 21:22:00,928 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 552 617) no Hoare annotation was computed. [2019-10-13 21:22:00,928 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-10-13 21:22:00,928 INFO L446 ceAbstractionStarter]: At program point L610(lines 561 611) the Hoare annotation is: true [2019-10-13 21:22:00,928 INFO L446 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: true [2019-10-13 21:22:00,928 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 604) no Hoare annotation was computed. [2019-10-13 21:22:00,928 INFO L446 ceAbstractionStarter]: At program point L598-1(lines 592 605) the Hoare annotation is: true [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point L563(lines 562 609) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 605) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L446 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: true [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 588) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point L582-1(lines 582 588) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 552 617) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 322 367) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 322 367) no Hoare annotation was computed. [2019-10-13 21:22:00,929 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 322 367) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 356) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point L336-1(lines 336 356) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 501 509) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 501 509) the Hoare annotation is: true [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 501 509) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point L477(lines 477 485) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point L477-2(lines 477 485) no Hoare annotation was computed. [2019-10-13 21:22:00,930 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 469 491) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 469 491) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 469 491) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point L289(lines 267 290) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 219 321) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 264) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 315) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point L269(lines 268 288) no Hoare annotation was computed. [2019-10-13 21:22:00,931 INFO L443 ceAbstractionStarter]: For program point L300(line 300) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L300-1(line 300) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 306) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 219 321) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L284(line 284) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L284-1(line 284) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 247) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 318) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 219 321) no Hoare annotation was computed. [2019-10-13 21:22:00,932 INFO L443 ceAbstractionStarter]: For program point L270(lines 270 274) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point L268-2(lines 268 288) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 515 524) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 515 524) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 515 524) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,933 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 710 717) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 717) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 710 717) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 492 500) the Hoare annotation is: true [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 492 500) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 492 500) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,934 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,935 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 448 459) the Hoare annotation is: true [2019-10-13 21:22:00,935 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed. [2019-10-13 21:22:00,935 INFO L443 ceAbstractionStarter]: For program point L452-1(lines 448 459) no Hoare annotation was computed. [2019-10-13 21:22:00,935 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 460 468) the Hoare annotation is: true [2019-10-13 21:22:00,935 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 460 468) no Hoare annotation was computed. [2019-10-13 21:22:00,935 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed. [2019-10-13 21:22:00,935 INFO L446 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: true [2019-10-13 21:22:00,936 INFO L446 ceAbstractionStarter]: At program point L638(lines 638 644) the Hoare annotation is: true [2019-10-13 21:22:00,936 INFO L446 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: true [2019-10-13 21:22:00,936 INFO L443 ceAbstractionStarter]: For program point L631(lines 630 649) no Hoare annotation was computed. [2019-10-13 21:22:00,936 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 627 650) the Hoare annotation is: true [2019-10-13 21:22:00,936 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 627 650) no Hoare annotation was computed. [2019-10-13 21:22:00,936 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 627 650) no Hoare annotation was computed. [2019-10-13 21:22:00,936 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-10-13 21:22:00,936 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 844 873) no Hoare annotation was computed. [2019-10-13 21:22:00,937 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 844 873) the Hoare annotation is: true [2019-10-13 21:22:00,937 INFO L443 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2019-10-13 21:22:00,937 INFO L446 ceAbstractionStarter]: At program point L858-1(lines 858 862) the Hoare annotation is: true [2019-10-13 21:22:00,937 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-10-13 21:22:00,937 INFO L446 ceAbstractionStarter]: At program point L854-2(lines 854 868) the Hoare annotation is: true [2019-10-13 21:22:00,937 INFO L446 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: true [2019-10-13 21:22:00,937 INFO L443 ceAbstractionStarter]: For program point L850-1(line 850) no Hoare annotation was computed. [2019-10-13 21:22:00,937 INFO L446 ceAbstractionStarter]: At program point L869(lines 844 873) the Hoare annotation is: true [2019-10-13 21:22:00,938 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 424 435) the Hoare annotation is: true [2019-10-13 21:22:00,938 INFO L443 ceAbstractionStarter]: For program point L428-1(lines 424 435) no Hoare annotation was computed. [2019-10-13 21:22:00,938 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 424 435) no Hoare annotation was computed. [2019-10-13 21:22:00,938 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 898 904) no Hoare annotation was computed. [2019-10-13 21:22:00,938 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 898 904) the Hoare annotation is: true [2019-10-13 21:22:00,938 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,938 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:00,938 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:00,939 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:00,939 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed. [2019-10-13 21:22:00,939 INFO L443 ceAbstractionStarter]: For program point L440-1(lines 436 447) no Hoare annotation was computed. [2019-10-13 21:22:00,939 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 436 447) the Hoare annotation is: true [2019-10-13 21:22:00,939 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:00,939 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:00,939 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:00,939 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:00,940 INFO L446 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: true [2019-10-13 21:22:00,940 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 659 683) no Hoare annotation was computed. [2019-10-13 21:22:00,940 INFO L446 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: true [2019-10-13 21:22:00,940 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 675) no Hoare annotation was computed. [2019-10-13 21:22:00,940 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 659 683) the Hoare annotation is: true [2019-10-13 21:22:00,940 INFO L446 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: true [2019-10-13 21:22:00,940 INFO L443 ceAbstractionStarter]: For program point L665-1(line 665) no Hoare annotation was computed. [2019-10-13 21:22:00,940 INFO L443 ceAbstractionStarter]: For program point L663(lines 663 680) no Hoare annotation was computed. [2019-10-13 21:22:00,941 INFO L446 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: true [2019-10-13 21:22:00,941 INFO L443 ceAbstractionStarter]: For program point L678-1(lines 659 683) no Hoare annotation was computed. [2019-10-13 21:22:00,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:00 BoogieIcfgContainer [2019-10-13 21:22:00,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:00,952 INFO L168 Benchmark]: Toolchain (without parser) took 6543.36 ms. Allocated memory was 138.9 MB in the beginning and 302.5 MB in the end (delta: 163.6 MB). Free memory was 100.0 MB in the beginning and 171.6 MB in the end (delta: -71.5 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:00,953 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:00,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.70 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 99.8 MB in the beginning and 168.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:00,955 INFO L168 Benchmark]: Boogie Preprocessor took 103.24 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 163.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:00,956 INFO L168 Benchmark]: RCFGBuilder took 1307.74 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 163.8 MB in the beginning and 194.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:00,957 INFO L168 Benchmark]: TraceAbstraction took 4468.09 ms. Allocated memory was 229.1 MB in the beginning and 302.5 MB in the end (delta: 73.4 MB). Free memory was 194.6 MB in the beginning and 171.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 96.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:00,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 659.70 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 99.8 MB in the beginning and 168.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.24 ms. Allocated memory is still 200.3 MB. Free memory was 168.0 MB in the beginning and 163.8 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1307.74 ms. Allocated memory was 200.3 MB in the beginning and 229.1 MB in the end (delta: 28.8 MB). Free memory was 163.8 MB in the beginning and 194.6 MB in the end (delta: -30.8 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4468.09 ms. Allocated memory was 229.1 MB in the beginning and 302.5 MB in the end (delta: 73.4 MB). Free memory was 194.6 MB in the beginning and 171.6 MB in the end (delta: 23.0 MB). Peak memory consumption was 96.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 844]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 230 locations, 1 error locations. Result: SAFE, OverallTime: 4.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 726 SDtfs, 534 SDslu, 1720 SDs, 0 SdLazy, 570 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=660occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 721 PreInvPairs, 722 NumberOfFragments, 62 HoareAnnotationTreeSize, 721 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 60 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 78004 SizeOfPredicates, 3 NumberOfNonLiveVariables, 750 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 61/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 144, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 1.0804597701149425, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...