/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:30:09,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:30:09,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:30:09,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:30:09,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:30:09,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:30:09,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:30:09,686 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:30:09,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:30:09,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:30:09,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:30:09,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:30:09,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:30:09,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:30:09,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:30:09,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:30:09,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:30:09,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:30:09,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:30:09,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:30:09,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:30:09,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:30:09,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:30:09,725 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:30:09,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:30:09,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:30:09,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:30:09,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:30:09,732 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:30:09,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:30:09,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:30:09,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:30:09,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:30:09,737 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:30:09,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:30:09,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:30:09,740 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:30:09,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:30:09,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:30:09,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:30:09,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:30:09,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:30:09,770 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:30:09,770 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:30:09,771 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:30:09,772 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:30:09,772 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:30:09,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:30:09,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:30:09,772 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:30:09,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:30:09,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:30:09,773 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:30:09,773 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:30:09,773 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:30:09,773 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:30:09,774 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:30:09,774 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:30:09,774 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:30:09,774 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:30:09,774 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:30:09,775 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:30:09,775 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:30:09,775 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:30:09,775 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:30:09,775 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:30:09,776 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:30:09,776 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:30:09,776 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:30:09,776 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:30:09,776 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:30:10,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:30:10,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:30:10,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:30:10,074 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:30:10,075 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:30:10,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-11-07 04:30:10,156 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67c83025b/357f43086a2b448783747861a68153d8/FLAG968bc02fb [2019-11-07 04:30:10,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:30:10,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2019-11-07 04:30:10,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67c83025b/357f43086a2b448783747861a68153d8/FLAG968bc02fb [2019-11-07 04:30:10,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67c83025b/357f43086a2b448783747861a68153d8 [2019-11-07 04:30:10,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:30:10,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:30:11,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:11,001 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:30:11,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:30:11,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:10" (1/1) ... [2019-11-07 04:30:11,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7659e483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11, skipping insertion in model container [2019-11-07 04:30:11,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:30:10" (1/1) ... [2019-11-07 04:30:11,040 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:30:11,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:30:11,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:11,813 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:30:11,917 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:30:11,957 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:30:11,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11 WrapperNode [2019-11-07 04:30:11,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:30:11,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:30:11,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:30:11,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:30:11,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:11,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:11,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:11,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:12,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:12,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:12,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... [2019-11-07 04:30:12,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:30:12,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:30:12,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:30:12,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:30:12,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:30:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:30:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:30:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:12,136 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:30:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:30:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:30:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:30:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:30:12,137 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:30:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:30:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:30:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:30:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:30:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:30:12,138 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:30:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:30:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:30:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:30:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:30:12,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:30:12,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:30:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:30:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 04:30:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:30:12,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:30:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:30:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:30:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:30:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:30:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 04:30:12,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:30:12,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:30:12,146 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:30:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:30:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 04:30:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:30:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:30:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:30:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:30:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:30:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:30:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:30:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:30:12,149 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:30:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:30:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 04:30:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:30:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:30:12,150 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:30:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 04:30:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:30:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:30:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 04:30:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 04:30:12,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:30:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:30:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:30:12,152 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:30:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:30:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:30:12,153 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:30:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:30:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:30:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:30:12,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:30:12,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:30:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:30:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:30:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:30:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:30:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:30:12,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:30:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:30:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:30:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:30:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:30:12,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:30:13,758 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:30:13,758 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:30:13,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:13 BoogieIcfgContainer [2019-11-07 04:30:13,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:30:13,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:30:13,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:30:13,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:30:13,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:30:10" (1/3) ... [2019-11-07 04:30:13,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a5674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:13, skipping insertion in model container [2019-11-07 04:30:13,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:30:11" (2/3) ... [2019-11-07 04:30:13,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19a5674 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:30:13, skipping insertion in model container [2019-11-07 04:30:13,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:30:13" (3/3) ... [2019-11-07 04:30:13,768 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2019-11-07 04:30:13,780 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:30:13,791 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:30:13,805 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:30:13,836 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:30:13,837 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:30:13,837 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:30:13,837 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:30:13,837 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:30:13,837 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:30:13,837 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:30:13,838 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:30:13,867 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states. [2019-11-07 04:30:13,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 04:30:13,878 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:13,880 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:13,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:13,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:13,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1702301045, now seen corresponding path program 1 times [2019-11-07 04:30:13,899 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:13,900 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499993321] [2019-11-07 04:30:13,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:14,289 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499993321] [2019-11-07 04:30:14,290 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:14,290 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:30:14,291 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948543268] [2019-11-07 04:30:14,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:30:14,299 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:14,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:30:14,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:30:14,320 INFO L87 Difference]: Start difference. First operand 134 states. Second operand 2 states. [2019-11-07 04:30:14,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:14,382 INFO L93 Difference]: Finished difference Result 180 states and 217 transitions. [2019-11-07 04:30:14,382 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:30:14,384 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 04:30:14,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:14,397 INFO L225 Difference]: With dead ends: 180 [2019-11-07 04:30:14,397 INFO L226 Difference]: Without dead ends: 92 [2019-11-07 04:30:14,402 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:30:14,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2019-11-07 04:30:14,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2019-11-07 04:30:14,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2019-11-07 04:30:14,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2019-11-07 04:30:14,471 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 46 [2019-11-07 04:30:14,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:14,472 INFO L462 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2019-11-07 04:30:14,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:30:14,472 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2019-11-07 04:30:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 04:30:14,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:14,480 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:14,480 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:14,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:14,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1589176944, now seen corresponding path program 1 times [2019-11-07 04:30:14,481 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:14,481 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513400448] [2019-11-07 04:30:14,481 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:14,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:14,637 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513400448] [2019-11-07 04:30:14,637 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:14,638 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:30:14,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467627864] [2019-11-07 04:30:14,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:30:14,640 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:14,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:30:14,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:14,641 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 3 states. [2019-11-07 04:30:14,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:14,662 INFO L93 Difference]: Finished difference Result 138 states and 156 transitions. [2019-11-07 04:30:14,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:30:14,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 04:30:14,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:14,666 INFO L225 Difference]: With dead ends: 138 [2019-11-07 04:30:14,667 INFO L226 Difference]: Without dead ends: 84 [2019-11-07 04:30:14,669 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:30:14,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-07 04:30:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-11-07 04:30:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-07 04:30:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 93 transitions. [2019-11-07 04:30:14,689 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 93 transitions. Word has length 47 [2019-11-07 04:30:14,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:14,691 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 93 transitions. [2019-11-07 04:30:14,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:30:14,691 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2019-11-07 04:30:14,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-07 04:30:14,700 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:14,700 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:14,700 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:14,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:14,701 INFO L82 PathProgramCache]: Analyzing trace with hash 79222004, now seen corresponding path program 1 times [2019-11-07 04:30:14,701 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:14,701 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707420926] [2019-11-07 04:30:14,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:14,879 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707420926] [2019-11-07 04:30:14,879 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:14,879 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:14,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129460010] [2019-11-07 04:30:14,880 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:14,881 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:14,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:14,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:14,882 INFO L87 Difference]: Start difference. First operand 84 states and 93 transitions. Second operand 7 states. [2019-11-07 04:30:15,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:15,161 INFO L93 Difference]: Finished difference Result 143 states and 162 transitions. [2019-11-07 04:30:15,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 04:30:15,162 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2019-11-07 04:30:15,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:15,164 INFO L225 Difference]: With dead ends: 143 [2019-11-07 04:30:15,164 INFO L226 Difference]: Without dead ends: 84 [2019-11-07 04:30:15,165 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:30:15,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2019-11-07 04:30:15,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2019-11-07 04:30:15,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2019-11-07 04:30:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2019-11-07 04:30:15,176 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 49 [2019-11-07 04:30:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:15,176 INFO L462 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2019-11-07 04:30:15,176 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2019-11-07 04:30:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-07 04:30:15,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:15,178 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:15,178 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:15,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:15,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1261964335, now seen corresponding path program 1 times [2019-11-07 04:30:15,179 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:15,179 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575850412] [2019-11-07 04:30:15,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:15,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:15,273 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575850412] [2019-11-07 04:30:15,274 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:15,274 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 04:30:15,274 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729263437] [2019-11-07 04:30:15,275 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 04:30:15,275 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:15,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 04:30:15,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 04:30:15,276 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 6 states. [2019-11-07 04:30:15,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:15,458 INFO L93 Difference]: Finished difference Result 194 states and 220 transitions. [2019-11-07 04:30:15,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:30:15,458 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-11-07 04:30:15,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:15,462 INFO L225 Difference]: With dead ends: 194 [2019-11-07 04:30:15,462 INFO L226 Difference]: Without dead ends: 135 [2019-11-07 04:30:15,463 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:30:15,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-07 04:30:15,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2019-11-07 04:30:15,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2019-11-07 04:30:15,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2019-11-07 04:30:15,482 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 57 [2019-11-07 04:30:15,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:15,483 INFO L462 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2019-11-07 04:30:15,483 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 04:30:15,483 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2019-11-07 04:30:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-07 04:30:15,484 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:30:15,484 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:30:15,484 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:30:15,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:30:15,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1415505613, now seen corresponding path program 1 times [2019-11-07 04:30:15,485 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:30:15,485 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432182721] [2019-11-07 04:30:15,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:30:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:30:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:30:15,619 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432182721] [2019-11-07 04:30:15,620 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:30:15,620 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:30:15,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971824485] [2019-11-07 04:30:15,622 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:30:15,622 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:30:15,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:30:15,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:30:15,623 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand 7 states. [2019-11-07 04:30:15,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:30:15,947 INFO L93 Difference]: Finished difference Result 203 states and 232 transitions. [2019-11-07 04:30:15,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 04:30:15,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 60 [2019-11-07 04:30:15,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:30:15,950 INFO L225 Difference]: With dead ends: 203 [2019-11-07 04:30:15,950 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 04:30:15,955 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-07 04:30:15,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 04:30:15,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 04:30:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 04:30:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 04:30:15,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2019-11-07 04:30:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:30:15,957 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 04:30:15,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:30:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 04:30:15,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 04:30:15,962 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 04:30:16,656 INFO L443 ceAbstractionStarter]: For program point L639-2(lines 639 660) no Hoare annotation was computed. [2019-11-07 04:30:16,657 INFO L443 ceAbstractionStarter]: For program point L661(lines 638 662) no Hoare annotation was computed. [2019-11-07 04:30:16,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 614 669) no Hoare annotation was computed. [2019-11-07 04:30:16,657 INFO L443 ceAbstractionStarter]: For program point L645(lines 645 649) no Hoare annotation was computed. [2019-11-07 04:30:16,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 614 669) no Hoare annotation was computed. [2019-11-07 04:30:16,657 INFO L443 ceAbstractionStarter]: For program point L702(lines 702 706) no Hoare annotation was computed. [2019-11-07 04:30:16,658 INFO L443 ceAbstractionStarter]: For program point L696-2(lines 696 721) no Hoare annotation was computed. [2019-11-07 04:30:16,658 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 670 729) no Hoare annotation was computed. [2019-11-07 04:30:16,658 INFO L443 ceAbstractionStarter]: For program point L722(lines 695 723) no Hoare annotation was computed. [2019-11-07 04:30:16,658 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 670 729) no Hoare annotation was computed. [2019-11-07 04:30:16,658 INFO L443 ceAbstractionStarter]: For program point L715(line 715) no Hoare annotation was computed. [2019-11-07 04:30:16,659 INFO L443 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2019-11-07 04:30:16,659 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 670 729) no Hoare annotation was computed. [2019-11-07 04:30:16,659 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2019-11-07 04:30:16,659 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2019-11-07 04:30:16,660 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2019-11-07 04:30:16,660 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2019-11-07 04:30:16,660 INFO L439 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,660 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,660 INFO L439 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,661 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,661 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2019-11-07 04:30:16,661 INFO L439 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-11-07 04:30:16,661 INFO L439 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0))) [2019-11-07 04:30:16,661 INFO L443 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-11-07 04:30:16,662 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-11-07 04:30:16,663 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 359 367) no Hoare annotation was computed. [2019-11-07 04:30:16,664 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 359 367) the Hoare annotation is: true [2019-11-07 04:30:16,665 INFO L446 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: true [2019-11-07 04:30:16,665 INFO L443 ceAbstractionStarter]: For program point L411-1(line 411) no Hoare annotation was computed. [2019-11-07 04:30:16,665 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 404 422) the Hoare annotation is: true [2019-11-07 04:30:16,665 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 404 422) no Hoare annotation was computed. [2019-11-07 04:30:16,665 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-07 04:30:16,665 INFO L443 ceAbstractionStarter]: For program point L398-1(line 398) no Hoare annotation was computed. [2019-11-07 04:30:16,665 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 368 403) no Hoare annotation was computed. [2019-11-07 04:30:16,665 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 368 403) no Hoare annotation was computed. [2019-11-07 04:30:16,666 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2019-11-07 04:30:16,666 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2019-11-07 04:30:16,666 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 568 613) no Hoare annotation was computed. [2019-11-07 04:30:16,666 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 568 613) no Hoare annotation was computed. [2019-11-07 04:30:16,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 881 926) no Hoare annotation was computed. [2019-11-07 04:30:16,666 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 881 926) no Hoare annotation was computed. [2019-11-07 04:30:16,666 INFO L439 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,667 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,667 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2019-11-07 04:30:16,667 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2019-11-07 04:30:16,667 INFO L443 ceAbstractionStarter]: For program point L353(line 353) no Hoare annotation was computed. [2019-11-07 04:30:16,667 INFO L443 ceAbstractionStarter]: For program point L353-1(line 353) no Hoare annotation was computed. [2019-11-07 04:30:16,667 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 348 358) no Hoare annotation was computed. [2019-11-07 04:30:16,667 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 348 358) no Hoare annotation was computed. [2019-11-07 04:30:16,668 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 340 347) the Hoare annotation is: true [2019-11-07 04:30:16,668 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 340 347) no Hoare annotation was computed. [2019-11-07 04:30:16,668 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 289 313) no Hoare annotation was computed. [2019-11-07 04:30:16,668 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,668 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 289 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,668 INFO L443 ceAbstractionStarter]: For program point L308-1(lines 289 313) no Hoare annotation was computed. [2019-11-07 04:30:16,668 INFO L439 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,669 INFO L439 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,669 INFO L443 ceAbstractionStarter]: For program point L297(lines 297 305) no Hoare annotation was computed. [2019-11-07 04:30:16,669 INFO L439 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,669 INFO L443 ceAbstractionStarter]: For program point L295-1(line 295) no Hoare annotation was computed. [2019-11-07 04:30:16,669 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 310) no Hoare annotation was computed. [2019-11-07 04:30:16,669 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 281 287) no Hoare annotation was computed. [2019-11-07 04:30:16,669 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 281 287) the Hoare annotation is: true [2019-11-07 04:30:16,670 INFO L439 ceAbstractionStarter]: At program point L227-2(lines 221 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,670 INFO L443 ceAbstractionStarter]: For program point L192(lines 191 236) no Hoare annotation was computed. [2019-11-07 04:30:16,670 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 181 244) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,670 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 181 244) no Hoare annotation was computed. [2019-11-07 04:30:16,670 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,670 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-11-07 04:30:16,671 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2019-11-07 04:30:16,671 INFO L439 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,671 INFO L439 ceAbstractionStarter]: At program point L234(lines 191 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,671 INFO L443 ceAbstractionStarter]: For program point L201(lines 201 207) no Hoare annotation was computed. [2019-11-07 04:30:16,671 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2019-11-07 04:30:16,671 INFO L439 ceAbstractionStarter]: At program point L237(lines 190 238) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 04:30:16,671 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 181 244) no Hoare annotation was computed. [2019-11-07 04:30:16,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 835 880) no Hoare annotation was computed. [2019-11-07 04:30:16,672 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 835 880) no Hoare annotation was computed. [2019-11-07 04:30:16,672 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 314 321) no Hoare annotation was computed. [2019-11-07 04:30:16,672 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 314 321) no Hoare annotation was computed. [2019-11-07 04:30:16,672 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 504 512) the Hoare annotation is: true [2019-11-07 04:30:16,672 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 504 512) no Hoare annotation was computed. [2019-11-07 04:30:16,673 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2019-11-07 04:30:16,673 INFO L443 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2019-11-07 04:30:16,673 INFO L439 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 04:30:16,673 INFO L443 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2019-11-07 04:30:16,673 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2019-11-07 04:30:16,673 INFO L443 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2019-11-07 04:30:16,673 INFO L446 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: true [2019-11-07 04:30:16,674 INFO L443 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2019-11-07 04:30:16,674 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: true [2019-11-07 04:30:16,674 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2019-11-07 04:30:16,674 INFO L439 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,674 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: true [2019-11-07 04:30:16,674 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2019-11-07 04:30:16,674 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 472 494) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 472 494) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 732 834) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2019-11-07 04:30:16,675 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 760) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point L781-2(lines 781 801) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 732 834) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point L802(lines 780 803) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 777) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 732 834) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point L782(lines 781 801) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-11-07 04:30:16,676 INFO L443 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 819) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point L334(line 334) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point L334-1(lines 323 339) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 323 339) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2019-11-07 04:30:16,677 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 323 339) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point L328(line 328) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 495 503) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 495 503) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 451 462) the Hoare annotation is: true [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 451 462) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:16,678 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 04:30:16,679 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 257 280) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,679 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,679 INFO L439 ceAbstractionStarter]: At program point L268(lines 268 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,679 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 257 280) no Hoare annotation was computed. [2019-11-07 04:30:16,679 INFO L439 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2019-11-07 04:30:16,679 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 257 280) no Hoare annotation was computed. [2019-11-07 04:30:16,679 INFO L443 ceAbstractionStarter]: For program point L261(lines 260 279) no Hoare annotation was computed. [2019-11-07 04:30:16,680 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-11-07 04:30:16,680 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-11-07 04:30:16,680 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-11-07 04:30:16,680 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-11-07 04:30:16,680 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-11-07 04:30:16,680 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-11-07 04:30:16,680 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-11-07 04:30:16,680 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-11-07 04:30:16,681 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-11-07 04:30:16,681 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 463 471) the Hoare annotation is: true [2019-11-07 04:30:16,681 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 463 471) no Hoare annotation was computed. [2019-11-07 04:30:16,681 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 427 438) the Hoare annotation is: true [2019-11-07 04:30:16,681 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 427 438) no Hoare annotation was computed. [2019-11-07 04:30:16,681 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-11-07 04:30:16,681 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-11-07 04:30:16,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 04:30:16,682 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-11-07 04:30:16,682 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 04:30:16,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 04:30:16,682 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 439 450) no Hoare annotation was computed. [2019-11-07 04:30:16,682 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 439 450) the Hoare annotation is: true [2019-11-07 04:30:16,682 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2019-11-07 04:30:16,683 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2019-11-07 04:30:16,683 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2019-11-07 04:30:16,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 04:30:16 BoogieIcfgContainer [2019-11-07 04:30:16,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 04:30:16,700 INFO L168 Benchmark]: Toolchain (without parser) took 5702.23 ms. Allocated memory was 137.4 MB in the beginning and 251.1 MB in the end (delta: 113.8 MB). Free memory was 102.0 MB in the beginning and 118.1 MB in the end (delta: -16.1 MB). Peak memory consumption was 132.1 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:16,701 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 04:30:16,703 INFO L168 Benchmark]: CACSL2BoogieTranslator took 957.23 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 170.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:16,703 INFO L168 Benchmark]: Boogie Preprocessor took 113.24 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:16,705 INFO L168 Benchmark]: RCFGBuilder took 1687.96 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 165.7 MB in the beginning and 149.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:16,706 INFO L168 Benchmark]: TraceAbstraction took 2936.70 ms. Allocated memory was 232.3 MB in the beginning and 251.1 MB in the end (delta: 18.9 MB). Free memory was 149.9 MB in the beginning and 118.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-11-07 04:30:16,710 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 137.4 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 957.23 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 101.8 MB in the beginning and 170.0 MB in the end (delta: -68.2 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.24 ms. Allocated memory is still 200.8 MB. Free memory was 170.0 MB in the beginning and 165.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1687.96 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 165.7 MB in the beginning and 149.9 MB in the end (delta: 15.8 MB). Peak memory consumption was 86.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2936.70 ms. Allocated memory was 232.3 MB in the beginning and 251.1 MB in the end (delta: 18.9 MB). Free memory was 149.9 MB in the beginning and 118.1 MB in the end (delta: 31.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 191]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 177 locations, 1 error locations. Result: SAFE, OverallTime: 2.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 445 SDtfs, 194 SDslu, 674 SDs, 0 SdLazy, 291 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 223 PreInvPairs, 235 NumberOfFragments, 434 HoareAnnotationTreeSize, 223 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 23858 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...