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_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:14:49,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:14:49,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:14:49,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:14:49,113 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:14:49,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:14:49,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:14:49,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:14:49,119 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:14:49,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:14:49,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:14:49,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:14:49,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:14:49,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:14:49,124 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:14:49,126 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:14:49,127 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:14:49,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:14:49,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:14:49,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:14:49,135 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:14:49,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:14:49,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:14:49,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:14:49,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:14:49,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:14:49,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:14:49,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:14:49,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:14:49,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:14:49,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:14:49,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:14:49,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:14:49,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:14:49,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:14:49,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:14:49,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:14:49,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:14:49,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:14:49,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:14:49,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:14:49,157 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 23:14:49,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:14:49,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:14:49,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:14:49,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:14:49,173 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:14:49,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:14:49,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:14:49,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:14:49,174 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:14:49,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:14:49,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:14:49,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:14:49,175 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:14:49,175 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:14:49,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:14:49,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:14:49,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:14:49,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:14:49,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:14:49,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:14:49,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:14:49,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:14:49,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:14:49,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:14:49,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:14:49,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:14:49,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:14:49,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:14:49,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:14:49,497 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:14:49,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:14:49,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:14:49,524 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:14:49,524 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:14:49,525 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2019-10-13 23:14:49,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2e20316/fa7016eaf36842b7b7ef0f998ae01a4f/FLAGdae7fe6bb [2019-10-13 23:14:50,210 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:14:50,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product03.cil.c [2019-10-13 23:14:50,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2e20316/fa7016eaf36842b7b7ef0f998ae01a4f/FLAGdae7fe6bb [2019-10-13 23:14:50,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba2e20316/fa7016eaf36842b7b7ef0f998ae01a4f [2019-10-13 23:14:50,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:14:50,469 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:14:50,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:50,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:14:50,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:14:50,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:50" (1/1) ... [2019-10-13 23:14:50,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550cc6c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:50, skipping insertion in model container [2019-10-13 23:14:50,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:14:50" (1/1) ... [2019-10-13 23:14:50,487 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:14:50,531 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:14:50,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:51,009 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:14:51,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:14:51,116 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:14:51,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51 WrapperNode [2019-10-13 23:14:51,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:14:51,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:14:51,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:14:51,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:14:51,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (1/1) ... [2019-10-13 23:14:51,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:14:51,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:14:51,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:14:51,197 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:14:51,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (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 23:14:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:14:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:14:51,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:14:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:14:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:14:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:14:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:14:51,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:14:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:14:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 23:14:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:14:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:14:51,269 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:14:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:14:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:14:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:14:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:14:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:14:51,270 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:14:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:14:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:14:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:14:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:14:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:14:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:14:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:14:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:14:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:14:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:14:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:14:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:14:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:14:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:14:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:14:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:14:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:14:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:14:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:14:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:14:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:14:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:14:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:14:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:14:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:14:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-10-13 23:14:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:14:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:14:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:14:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:14:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:14:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:14:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:14:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:14:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:14:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:14:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:14:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:14:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:14:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:14:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:14:51,281 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:14:51,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:14:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:14:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:14:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:14:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:14:51,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:14:52,803 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:14:52,804 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:14:52,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:52 BoogieIcfgContainer [2019-10-13 23:14:52,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:14:52,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:14:52,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:14:52,811 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:14:52,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:14:50" (1/3) ... [2019-10-13 23:14:52,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9e4723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:52, skipping insertion in model container [2019-10-13 23:14:52,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:14:51" (2/3) ... [2019-10-13 23:14:52,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9e4723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:14:52, skipping insertion in model container [2019-10-13 23:14:52,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:14:52" (3/3) ... [2019-10-13 23:14:52,815 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03.cil.c [2019-10-13 23:14:52,828 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:14:52,839 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:14:52,853 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:14:52,884 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:14:52,885 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:14:52,885 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:14:52,885 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:14:52,885 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:14:52,886 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:14:52,886 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:14:52,886 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:14:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-10-13 23:14:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 23:14:52,917 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:52,919 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 23:14:52,921 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:52,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1531272998, now seen corresponding path program 1 times [2019-10-13 23:14:52,937 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:52,938 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038527928] [2019-10-13 23:14:52,938 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:52,938 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:52,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:53,290 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 23:14:53,291 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038527928] [2019-10-13 23:14:53,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:53,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:14:53,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352737893] [2019-10-13 23:14:53,298 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:14:53,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:53,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:14:53,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:14:53,316 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-10-13 23:14:53,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:53,354 INFO L93 Difference]: Finished difference Result 162 states and 199 transitions. [2019-10-13 23:14:53,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:14:53,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 23:14:53,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:53,368 INFO L225 Difference]: With dead ends: 162 [2019-10-13 23:14:53,368 INFO L226 Difference]: Without dead ends: 83 [2019-10-13 23:14:53,373 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 23:14:53,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2019-10-13 23:14:53,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2019-10-13 23:14:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-10-13 23:14:53,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 95 transitions. [2019-10-13 23:14:53,431 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 95 transitions. Word has length 46 [2019-10-13 23:14:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:53,431 INFO L462 AbstractCegarLoop]: Abstraction has 83 states and 95 transitions. [2019-10-13 23:14:53,432 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:14:53,432 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 95 transitions. [2019-10-13 23:14:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 23:14:53,435 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:53,436 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 23:14:53,436 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:53,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:53,437 INFO L82 PathProgramCache]: Analyzing trace with hash -733587906, now seen corresponding path program 1 times [2019-10-13 23:14:53,437 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:53,437 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088992129] [2019-10-13 23:14:53,437 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:53,437 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:53,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:53,636 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 23:14:53,637 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088992129] [2019-10-13 23:14:53,637 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:53,637 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:14:53,637 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758959991] [2019-10-13 23:14:53,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:14:53,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:53,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:14:53,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:14:53,641 INFO L87 Difference]: Start difference. First operand 83 states and 95 transitions. Second operand 3 states. [2019-10-13 23:14:53,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:53,675 INFO L93 Difference]: Finished difference Result 111 states and 126 transitions. [2019-10-13 23:14:53,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:14:53,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 23:14:53,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:53,679 INFO L225 Difference]: With dead ends: 111 [2019-10-13 23:14:53,679 INFO L226 Difference]: Without dead ends: 75 [2019-10-13 23:14:53,681 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 23:14:53,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-10-13 23:14:53,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-10-13 23:14:53,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-10-13 23:14:53,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 84 transitions. [2019-10-13 23:14:53,705 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 84 transitions. Word has length 47 [2019-10-13 23:14:53,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:53,706 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 84 transitions. [2019-10-13 23:14:53,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:14:53,706 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2019-10-13 23:14:53,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-10-13 23:14:53,708 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:53,708 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] [2019-10-13 23:14:53,709 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:53,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:53,709 INFO L82 PathProgramCache]: Analyzing trace with hash 968716525, now seen corresponding path program 1 times [2019-10-13 23:14:53,709 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:53,710 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325113889] [2019-10-13 23:14:53,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:53,710 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:53,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:53,842 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 23:14:53,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325113889] [2019-10-13 23:14:53,843 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:53,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:14:53,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769115854] [2019-10-13 23:14:53,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:14:53,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:53,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:14:53,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:14:53,845 INFO L87 Difference]: Start difference. First operand 75 states and 84 transitions. Second operand 7 states. [2019-10-13 23:14:54,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:54,240 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2019-10-13 23:14:54,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:14:54,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 50 [2019-10-13 23:14:54,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:54,246 INFO L225 Difference]: With dead ends: 220 [2019-10-13 23:14:54,247 INFO L226 Difference]: Without dead ends: 170 [2019-10-13 23:14:54,248 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:14:54,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2019-10-13 23:14:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 152. [2019-10-13 23:14:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-13 23:14:54,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2019-10-13 23:14:54,279 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 50 [2019-10-13 23:14:54,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:54,280 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2019-10-13 23:14:54,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:14:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2019-10-13 23:14:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 23:14:54,284 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:54,285 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] [2019-10-13 23:14:54,285 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:54,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:54,285 INFO L82 PathProgramCache]: Analyzing trace with hash -700630239, now seen corresponding path program 1 times [2019-10-13 23:14:54,286 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:54,286 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737219543] [2019-10-13 23:14:54,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:54,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:54,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:54,430 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 23:14:54,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737219543] [2019-10-13 23:14:54,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:54,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:54,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260296401] [2019-10-13 23:14:54,432 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:54,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:54,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:54,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:54,433 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 6 states. [2019-10-13 23:14:54,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:54,610 INFO L93 Difference]: Finished difference Result 388 states and 471 transitions. [2019-10-13 23:14:54,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 23:14:54,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-10-13 23:14:54,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:54,614 INFO L225 Difference]: With dead ends: 388 [2019-10-13 23:14:54,614 INFO L226 Difference]: Without dead ends: 261 [2019-10-13 23:14:54,616 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:54,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2019-10-13 23:14:54,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2019-10-13 23:14:54,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-10-13 23:14:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 293 transitions. [2019-10-13 23:14:54,678 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 293 transitions. Word has length 53 [2019-10-13 23:14:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:54,678 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 293 transitions. [2019-10-13 23:14:54,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:54,679 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 293 transitions. [2019-10-13 23:14:54,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-10-13 23:14:54,684 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:14:54,684 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] [2019-10-13 23:14:54,684 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:14:54,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:14:54,685 INFO L82 PathProgramCache]: Analyzing trace with hash -71417265, now seen corresponding path program 1 times [2019-10-13 23:14:54,685 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:14:54,685 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329716094] [2019-10-13 23:14:54,685 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:54,686 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:14:54,686 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:14:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:14:54,791 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 23:14:54,791 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329716094] [2019-10-13 23:14:54,792 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:14:54,792 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:14:54,793 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117488871] [2019-10-13 23:14:54,794 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:14:54,794 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:14:54,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:14:54,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:14:54,795 INFO L87 Difference]: Start difference. First operand 249 states and 293 transitions. Second operand 6 states. [2019-10-13 23:14:54,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:14:54,962 INFO L93 Difference]: Finished difference Result 449 states and 548 transitions. [2019-10-13 23:14:54,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:14:54,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2019-10-13 23:14:54,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:14:54,964 INFO L225 Difference]: With dead ends: 449 [2019-10-13 23:14:54,964 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 23:14:54,971 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:14:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 23:14:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 23:14:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 23:14:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 23:14:54,974 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-10-13 23:14:54,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:14:54,974 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 23:14:54,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:14:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 23:14:54,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 23:14:54,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 23:14:55,577 INFO L443 ceAbstractionStarter]: For program point L542(lines 542 546) no Hoare annotation was computed. [2019-10-13 23:14:55,577 INFO L443 ceAbstractionStarter]: For program point L536-2(lines 536 557) no Hoare annotation was computed. [2019-10-13 23:14:55,577 INFO L443 ceAbstractionStarter]: For program point L558(lines 535 559) no Hoare annotation was computed. [2019-10-13 23:14:55,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2019-10-13 23:14:55,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2019-10-13 23:14:55,577 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 603) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point L593-2(lines 593 618) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point L619(lines 592 620) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2019-10-13 23:14:55,578 INFO L443 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2019-10-13 23:14:55,579 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2019-10-13 23:14:55,579 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2019-10-13 23:14:55,579 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2019-10-13 23:14:55,579 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2019-10-13 23:14:55,579 INFO L439 ceAbstractionStarter]: At program point L447(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,580 INFO L439 ceAbstractionStarter]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,580 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,580 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 452) no Hoare annotation was computed. [2019-10-13 23:14:55,580 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2019-10-13 23:14:55,580 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-13 23:14:55,581 INFO L439 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,581 INFO L439 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,581 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2019-10-13 23:14:55,581 INFO L439 ceAbstractionStarter]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,581 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 392 415) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 392 415) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 392 415) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point L409(line 409) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point L408(line 408) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 23:14:55,582 INFO L443 ceAbstractionStarter]: For program point L406(line 406) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L405(line 405) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L403(line 403) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L402(line 402) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L400(line 400) no Hoare annotation was computed. [2019-10-13 23:14:55,583 INFO L443 ceAbstractionStarter]: For program point L399(line 399) no Hoare annotation was computed. [2019-10-13 23:14:55,584 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-13 23:14:55,584 INFO L443 ceAbstractionStarter]: For program point L397(line 397) no Hoare annotation was computed. [2019-10-13 23:14:55,584 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2019-10-13 23:14:55,584 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2019-10-13 23:14:55,584 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0)) [2019-10-13 23:14:55,584 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2019-10-13 23:14:55,584 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2019-10-13 23:14:55,585 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2019-10-13 23:14:55,585 INFO L443 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2019-10-13 23:14:55,585 INFO L443 ceAbstractionStarter]: For program point L150-1(line 150) no Hoare annotation was computed. [2019-10-13 23:14:55,585 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 120 155) no Hoare annotation was computed. [2019-10-13 23:14:55,585 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 120 155) no Hoare annotation was computed. [2019-10-13 23:14:55,585 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2019-10-13 23:14:55,585 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2019-10-13 23:14:55,585 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2019-10-13 23:14:55,586 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2019-10-13 23:14:55,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2019-10-13 23:14:55,586 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2019-10-13 23:14:55,586 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,586 INFO L439 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,586 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2019-10-13 23:14:55,586 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2019-10-13 23:14:55,587 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 100 110) no Hoare annotation was computed. [2019-10-13 23:14:55,587 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 100 110) no Hoare annotation was computed. [2019-10-13 23:14:55,587 INFO L443 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2019-10-13 23:14:55,587 INFO L443 ceAbstractionStarter]: For program point L105-1(line 105) no Hoare annotation was computed. [2019-10-13 23:14:55,587 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2019-10-13 23:14:55,587 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2019-10-13 23:14:55,587 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2019-10-13 23:14:55,588 INFO L446 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2019-10-13 23:14:55,588 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,588 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,588 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-10-13 23:14:55,588 INFO L439 ceAbstractionStarter]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,588 INFO L443 ceAbstractionStarter]: For program point L186(lines 185 232) no Hoare annotation was computed. [2019-10-13 23:14:55,588 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 228) no Hoare annotation was computed. [2019-10-13 23:14:55,589 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2019-10-13 23:14:55,589 INFO L439 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,589 INFO L443 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2019-10-13 23:14:55,589 INFO L443 ceAbstractionStarter]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2019-10-13 23:14:55,589 INFO L439 ceAbstractionStarter]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,589 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 test_~splverifierCounter~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,590 INFO L443 ceAbstractionStarter]: For program point L195(lines 195 201) no Hoare annotation was computed. [2019-10-13 23:14:55,590 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2019-10-13 23:14:55,590 INFO L439 ceAbstractionStarter]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 23:14:55,590 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2019-10-13 23:14:55,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2019-10-13 23:14:55,590 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2019-10-13 23:14:55,591 INFO L439 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:55,591 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: true [2019-10-13 23:14:55,591 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-10-13 23:14:55,591 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 857) no Hoare annotation was computed. [2019-10-13 23:14:55,591 INFO L439 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 23:14:55,591 INFO L443 ceAbstractionStarter]: For program point L845-1(line 845) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 860) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L443 ceAbstractionStarter]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L446 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2019-10-13 23:14:55,592 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 290 312) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 290 312) no Hoare annotation was computed. [2019-10-13 23:14:55,592 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: true [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 327 336) no Hoare annotation was computed. [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 327 336) no Hoare annotation was computed. [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point L694-1(line 694) no Hoare annotation was computed. [2019-10-13 23:14:55,593 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 657) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point L678-2(lines 678 698) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point L699(lines 677 700) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 674) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point L679(lines 678 698) no Hoare annotation was computed. [2019-10-13 23:14:55,594 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point L710-1(line 710) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 716) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 84 91) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 84 91) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 313 321) no Hoare annotation was computed. [2019-10-13 23:14:55,595 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 313 321) no Hoare annotation was computed. [2019-10-13 23:14:55,596 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: true [2019-10-13 23:14:55,596 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2019-10-13 23:14:55,596 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:55,596 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 23:14:55,596 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2019-10-13 23:14:55,596 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2019-10-13 23:14:55,596 INFO L446 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: true [2019-10-13 23:14:55,597 INFO L439 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2019-10-13 23:14:55,597 INFO L443 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2019-10-13 23:14:55,597 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: true [2019-10-13 23:14:55,597 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2019-10-13 23:14:55,597 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2019-10-13 23:14:55,597 INFO L439 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= 0 ~systemActive~0))) [2019-10-13 23:14:55,597 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2019-10-13 23:14:55,598 INFO L443 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2019-10-13 23:14:55,598 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2019-10-13 23:14:55,598 INFO L443 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2019-10-13 23:14:55,598 INFO L446 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2019-10-13 23:14:55,598 INFO L446 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2019-10-13 23:14:55,598 INFO L446 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2019-10-13 23:14:55,598 INFO L443 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2019-10-13 23:14:55,598 INFO L446 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2019-10-13 23:14:55,599 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2019-10-13 23:14:55,599 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2019-10-13 23:14:55,599 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2019-10-13 23:14:55,599 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2019-10-13 23:14:55,599 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 23:14:55,599 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) [2019-10-13 23:14:55,599 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 23:14:55,600 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 23:14:55,600 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2019-10-13 23:14:55,600 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: true [2019-10-13 23:14:55,600 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2019-10-13 23:14:55,600 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2019-10-13 23:14:55,600 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2019-10-13 23:14:55,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 11:14:55 BoogieIcfgContainer [2019-10-13 23:14:55,619 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 23:14:55,622 INFO L168 Benchmark]: Toolchain (without parser) took 5152.86 ms. Allocated memory was 145.2 MB in the beginning and 247.5 MB in the end (delta: 102.2 MB). Free memory was 102.2 MB in the beginning and 141.6 MB in the end (delta: -39.4 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:55,624 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 23:14:55,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 647.16 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:55,626 INFO L168 Benchmark]: Boogie Preprocessor took 79.32 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:55,627 INFO L168 Benchmark]: RCFGBuilder took 1608.86 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 157.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:55,628 INFO L168 Benchmark]: TraceAbstraction took 2811.62 ms. Allocated memory was 235.9 MB in the beginning and 247.5 MB in the end (delta: 11.5 MB). Free memory was 157.4 MB in the beginning and 141.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. [2019-10-13 23:14:55,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 647.16 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 102.0 MB in the beginning and 171.0 MB in the end (delta: -69.0 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 79.32 ms. Allocated memory is still 202.9 MB. Free memory was 171.0 MB in the beginning and 166.6 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1608.86 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 166.6 MB in the beginning and 157.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2811.62 ms. Allocated memory was 235.9 MB in the beginning and 247.5 MB in the end (delta: 11.5 MB). Free memory was 157.4 MB in the beginning and 141.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 81.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 185]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == splverifierCounter && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 161 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 446 SDtfs, 212 SDslu, 878 SDs, 0 SdLazy, 236 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 296 PreInvPairs, 334 NumberOfFragments, 398 HoareAnnotationTreeSize, 296 FomulaSimplifications, 313 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1199 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 252 NumberOfCodeBlocks, 252 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 247 ConstructedInterpolants, 0 QuantifiedInterpolants, 22402 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...