/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_spec5_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:35:14,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:35:14,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:35:14,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:35:14,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:35:14,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:35:14,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:35:14,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:35:14,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:35:14,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:35:14,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:35:14,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:35:14,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:35:14,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:35:14,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:35:14,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:35:14,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:35:14,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:35:14,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:35:14,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:35:14,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:35:14,417 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:35:14,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:35:14,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:35:14,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:35:14,423 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:35:14,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:35:14,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:35:14,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:35:14,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:35:14,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:35:14,429 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:35:14,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:35:14,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:35:14,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:35:14,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:35:14,432 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:35:14,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:35:14,433 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:35:14,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:35:14,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:35:14,435 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 04:35:14,449 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:35:14,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:35:14,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:35:14,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:35:14,450 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:35:14,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:35:14,451 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:35:14,451 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:35:14,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:35:14,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:35:14,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:35:14,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:35:14,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:35:14,452 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:35:14,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:35:14,453 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:35:14,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:35:14,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:35:14,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:35:14,454 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:35:14,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:35:14,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:35:14,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:35:14,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:35:14,455 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:35:14,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:35:14,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:35:14,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:35:14,455 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 04:35:14,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:35:14,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:35:14,814 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:35:14,816 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:35:14,816 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:35:14,817 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-11-07 04:35:14,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603be579e/06835a42aa294138842800655c41edca/FLAGa9b4ba160 [2019-11-07 04:35:15,409 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:35:15,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2019-11-07 04:35:15,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603be579e/06835a42aa294138842800655c41edca/FLAGa9b4ba160 [2019-11-07 04:35:15,778 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603be579e/06835a42aa294138842800655c41edca [2019-11-07 04:35:15,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:35:15,789 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:35:15,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:15,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:35:15,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:35:15,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:15" (1/1) ... [2019-11-07 04:35:15,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c41e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:15, skipping insertion in model container [2019-11-07 04:35:15,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:35:15" (1/1) ... [2019-11-07 04:35:15,804 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:35:15,846 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:35:16,296 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:16,309 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:35:16,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:35:16,418 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:35:16,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16 WrapperNode [2019-11-07 04:35:16,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:35:16,419 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:35:16,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:35:16,420 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:35:16,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (1/1) ... [2019-11-07 04:35:16,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:35:16,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:35:16,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:35:16,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:35:16,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (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 04:35:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:35:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:35:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:35:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:35:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:35:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:35:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:35:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 04:35:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 04:35:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:35:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 04:35:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 04:35:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 04:35:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 04:35:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 04:35:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 04:35:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 04:35:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 04:35:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 04:35:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 04:35:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:35:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 04:35:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:35:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:35:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:35:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 04:35:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 04:35:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 04:35:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:35:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:35:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:35:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:35:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 04:35:16,580 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 04:35:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-11-07 04:35:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-11-07 04:35:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 04:35:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 04:35:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 04:35:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 04:35:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 04:35:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:35:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 04:35:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 04:35:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 04:35:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 04:35:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:35:16,584 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:35:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:35:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:35:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:35:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:35:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:35:16,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:35:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:35:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:35:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:35:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:35:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:35:16,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:35:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:35:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:35:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:35:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:35:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:35:18,251 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:35:18,252 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 04:35:18,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:18 BoogieIcfgContainer [2019-11-07 04:35:18,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:35:18,255 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:35:18,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:35:18,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:35:18,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:35:15" (1/3) ... [2019-11-07 04:35:18,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5bf923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:18, skipping insertion in model container [2019-11-07 04:35:18,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:35:16" (2/3) ... [2019-11-07 04:35:18,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d5bf923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:35:18, skipping insertion in model container [2019-11-07 04:35:18,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:35:18" (3/3) ... [2019-11-07 04:35:18,265 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2019-11-07 04:35:18,275 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:35:18,285 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:35:18,298 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:35:18,335 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:35:18,335 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:35:18,335 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:35:18,335 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:35:18,336 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:35:18,336 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:35:18,336 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:35:18,336 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:35:18,367 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2019-11-07 04:35:18,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 04:35:18,382 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:18,383 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:18,386 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:18,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:18,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1682700886, now seen corresponding path program 1 times [2019-11-07 04:35:18,400 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:18,401 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813326303] [2019-11-07 04:35:18,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:18,739 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813326303] [2019-11-07 04:35:18,740 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:18,740 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:35:18,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990309417] [2019-11-07 04:35:18,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:35:18,750 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:18,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:35:18,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:35:18,769 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2019-11-07 04:35:18,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:18,847 INFO L93 Difference]: Finished difference Result 238 states and 291 transitions. [2019-11-07 04:35:18,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:35:18,855 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-11-07 04:35:18,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:18,878 INFO L225 Difference]: With dead ends: 238 [2019-11-07 04:35:18,878 INFO L226 Difference]: Without dead ends: 121 [2019-11-07 04:35:18,891 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 04:35:18,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-11-07 04:35:18,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-11-07 04:35:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-11-07 04:35:18,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-11-07 04:35:18,942 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 52 [2019-11-07 04:35:18,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:18,943 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-11-07 04:35:18,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:35:18,943 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-11-07 04:35:18,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-07 04:35:18,947 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:18,947 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:18,947 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:18,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:18,948 INFO L82 PathProgramCache]: Analyzing trace with hash -21681295, now seen corresponding path program 1 times [2019-11-07 04:35:18,948 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:18,948 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112420515] [2019-11-07 04:35:18,948 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:19,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:19,094 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112420515] [2019-11-07 04:35:19,095 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:19,095 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:35:19,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837109157] [2019-11-07 04:35:19,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:35:19,097 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:19,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:35:19,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:35:19,098 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2019-11-07 04:35:19,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:19,120 INFO L93 Difference]: Finished difference Result 189 states and 219 transitions. [2019-11-07 04:35:19,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:35:19,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-11-07 04:35:19,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:19,124 INFO L225 Difference]: With dead ends: 189 [2019-11-07 04:35:19,124 INFO L226 Difference]: Without dead ends: 113 [2019-11-07 04:35:19,126 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 04:35:19,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-07 04:35:19,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-07 04:35:19,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-07 04:35:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-11-07 04:35:19,142 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 53 [2019-11-07 04:35:19,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:19,142 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-11-07 04:35:19,142 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:35:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-11-07 04:35:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 04:35:19,145 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:19,145 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:19,146 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:19,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:19,146 INFO L82 PathProgramCache]: Analyzing trace with hash 257553692, now seen corresponding path program 1 times [2019-11-07 04:35:19,146 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:19,147 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298239891] [2019-11-07 04:35:19,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:19,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:19,382 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298239891] [2019-11-07 04:35:19,383 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:19,383 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:19,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580041363] [2019-11-07 04:35:19,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:19,384 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:19,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:19,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:19,384 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 7 states. [2019-11-07 04:35:19,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:19,910 INFO L93 Difference]: Finished difference Result 338 states and 404 transitions. [2019-11-07 04:35:19,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 04:35:19,911 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 04:35:19,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:19,918 INFO L225 Difference]: With dead ends: 338 [2019-11-07 04:35:19,918 INFO L226 Difference]: Without dead ends: 250 [2019-11-07 04:35:19,921 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:35:19,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-11-07 04:35:19,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2019-11-07 04:35:19,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2019-11-07 04:35:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 289 transitions. [2019-11-07 04:35:19,991 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 289 transitions. Word has length 56 [2019-11-07 04:35:19,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:19,991 INFO L462 AbstractCegarLoop]: Abstraction has 242 states and 289 transitions. [2019-11-07 04:35:19,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:19,992 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 289 transitions. [2019-11-07 04:35:19,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-07 04:35:19,998 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:19,998 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:19,998 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:19,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:19,998 INFO L82 PathProgramCache]: Analyzing trace with hash 824193073, now seen corresponding path program 1 times [2019-11-07 04:35:19,999 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:19,999 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379785262] [2019-11-07 04:35:19,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:20,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 04:35:20,160 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379785262] [2019-11-07 04:35:20,160 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:20,161 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 04:35:20,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852546247] [2019-11-07 04:35:20,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 04:35:20,162 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:20,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 04:35:20,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 04:35:20,162 INFO L87 Difference]: Start difference. First operand 242 states and 289 transitions. Second operand 7 states. [2019-11-07 04:35:20,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:20,825 INFO L93 Difference]: Finished difference Result 624 states and 814 transitions. [2019-11-07 04:35:20,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:35:20,826 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-11-07 04:35:20,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:20,830 INFO L225 Difference]: With dead ends: 624 [2019-11-07 04:35:20,830 INFO L226 Difference]: Without dead ends: 407 [2019-11-07 04:35:20,832 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 04:35:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-11-07 04:35:20,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 357. [2019-11-07 04:35:20,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-11-07 04:35:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 426 transitions. [2019-11-07 04:35:20,879 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 426 transitions. Word has length 61 [2019-11-07 04:35:20,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:20,880 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 426 transitions. [2019-11-07 04:35:20,880 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 04:35:20,880 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 426 transitions. [2019-11-07 04:35:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-07 04:35:20,882 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:20,882 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:20,882 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:20,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:20,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1521081775, now seen corresponding path program 1 times [2019-11-07 04:35:20,883 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:20,883 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806636339] [2019-11-07 04:35:20,883 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:21,173 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806636339] [2019-11-07 04:35:21,174 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:21,174 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-07 04:35:21,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561944699] [2019-11-07 04:35:21,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-07 04:35:21,175 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:21,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-07 04:35:21,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-11-07 04:35:21,176 INFO L87 Difference]: Start difference. First operand 357 states and 426 transitions. Second operand 12 states. [2019-11-07 04:35:22,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:22,058 INFO L93 Difference]: Finished difference Result 1089 states and 1322 transitions. [2019-11-07 04:35:22,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-11-07 04:35:22,058 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 78 [2019-11-07 04:35:22,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:22,067 INFO L225 Difference]: With dead ends: 1089 [2019-11-07 04:35:22,067 INFO L226 Difference]: Without dead ends: 757 [2019-11-07 04:35:22,069 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:22,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2019-11-07 04:35:22,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 735. [2019-11-07 04:35:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-11-07 04:35:22,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 881 transitions. [2019-11-07 04:35:22,127 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 881 transitions. Word has length 78 [2019-11-07 04:35:22,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:22,127 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 881 transitions. [2019-11-07 04:35:22,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-07 04:35:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 881 transitions. [2019-11-07 04:35:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-07 04:35:22,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:22,130 INFO L410 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:22,130 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:22,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:22,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1245017963, now seen corresponding path program 1 times [2019-11-07 04:35:22,131 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:22,131 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303822200] [2019-11-07 04:35:22,131 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 04:35:22,272 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303822200] [2019-11-07 04:35:22,273 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:35:22,273 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 04:35:22,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360575677] [2019-11-07 04:35:22,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 04:35:22,274 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:35:22,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 04:35:22,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-11-07 04:35:22,274 INFO L87 Difference]: Start difference. First operand 735 states and 881 transitions. Second operand 9 states. [2019-11-07 04:35:23,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:35:23,214 INFO L93 Difference]: Finished difference Result 2333 states and 2884 transitions. [2019-11-07 04:35:23,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 04:35:23,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2019-11-07 04:35:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:35:23,229 INFO L225 Difference]: With dead ends: 2333 [2019-11-07 04:35:23,229 INFO L226 Difference]: Without dead ends: 1782 [2019-11-07 04:35:23,231 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2019-11-07 04:35:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2019-11-07 04:35:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1508. [2019-11-07 04:35:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2019-11-07 04:35:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1824 transitions. [2019-11-07 04:35:23,353 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1824 transitions. Word has length 81 [2019-11-07 04:35:23,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:35:23,354 INFO L462 AbstractCegarLoop]: Abstraction has 1508 states and 1824 transitions. [2019-11-07 04:35:23,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 04:35:23,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1824 transitions. [2019-11-07 04:35:23,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-07 04:35:23,365 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:35:23,366 INFO L410 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:35:23,366 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:35:23,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:35:23,366 INFO L82 PathProgramCache]: Analyzing trace with hash -897616276, now seen corresponding path program 1 times [2019-11-07 04:35:23,367 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:35:23,367 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088508028] [2019-11-07 04:35:23,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:35:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:23,526 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-07 04:35:23,527 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088508028] [2019-11-07 04:35:23,527 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475638564] [2019-11-07 04:35:23,527 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:35:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:35:23,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-07 04:35:23,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:35:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 35 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 04:35:23,958 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:35:24,327 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-07 04:35:24,327 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [976177172] [2019-11-07 04:35:24,357 INFO L159 IcfgInterpreter]: Started Sifa with 87 locations of interest [2019-11-07 04:35:24,357 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:35:24,365 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:35:24,375 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:35:24,376 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 04:35:33,034 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-11-07 04:35:34,659 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-11-07 04:35:34,790 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:34,963 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:35,096 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:35,374 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:35:35,505 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:35,626 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-11-07 04:35:35,841 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-11-07 04:35:35,853 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-11-07 04:35:35,870 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-11-07 04:35:36,111 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:36,297 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:36,466 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:36,579 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:36,770 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:36,902 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:37,013 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:37,116 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:37,359 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:37,515 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:37,655 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-11-07 04:35:37,799 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:37,968 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,121 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,256 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,374 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,500 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,640 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,756 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:38,877 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:39,006 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:39,123 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:39,276 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:39,419 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:39,593 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:39,709 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:39,856 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:39,988 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:40,125 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-11-07 04:35:40,270 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-11-07 04:35:40,461 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:35:40,593 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:35:40,750 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:35:40,894 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:35:41,054 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:35:41,203 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2019-11-07 04:35:41,224 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 548 for LOIs [2019-11-07 04:35:41,405 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:41,520 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:41,668 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:41,781 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:41,895 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 548 [2019-11-07 04:35:42,039 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:42,048 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 544 for LOIs [2019-11-07 04:35:42,064 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 544 for LOIs [2019-11-07 04:35:42,075 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 550 for LOIs [2019-11-07 04:35:42,306 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2019-11-07 04:35:42,719 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-11-07 04:35:43,282 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 579 [2019-11-07 04:35:43,790 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 582 [2019-11-07 04:35:44,391 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-11-07 04:35:44,551 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 194 [2019-11-07 04:35:44,698 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2019-11-07 04:35:45,031 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 183 [2019-11-07 04:35:45,432 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2019-11-07 04:35:45,654 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 194 [2019-11-07 04:35:45,765 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 201 [2019-11-07 04:35:46,000 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 04:35:46,173 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2019-11-07 04:35:46,355 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2019-11-07 04:35:46,533 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2019-11-07 04:35:46,943 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-07 04:35:47,078 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-07 04:35:47,264 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2019-11-07 04:35:47,402 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-07 04:35:47,538 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2019-11-07 04:35:47,735 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 621 [2019-11-07 04:35:48,233 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 626 [2019-11-07 04:35:48,780 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 626 [2019-11-07 04:35:48,850 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 145 for LOIs [2019-11-07 04:35:48,863 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 154 for LOIs [2019-11-07 04:35:49,518 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-07 04:35:50,935 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 153 for LOIs [2019-11-07 04:35:50,942 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 147 for LOIs [2019-11-07 04:35:51,571 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 160 for LOIs [2019-11-07 04:35:51,578 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 147 for LOIs [2019-11-07 04:35:51,582 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 149 for LOIs [2019-11-07 04:35:52,036 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 139 for LOIs [2019-11-07 04:35:52,040 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 538 for LOIs [2019-11-07 04:35:52,052 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 544 for LOIs [2019-11-07 04:35:52,063 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 536 for LOIs [2019-11-07 04:35:52,073 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 147 for LOIs [2019-11-07 04:35:52,345 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 139 for LOIs [2019-11-07 04:35:52,664 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 137 for LOIs [2019-11-07 04:35:52,912 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 137 for LOIs [2019-11-07 04:35:52,914 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 139 for LOIs [2019-11-07 04:35:52,917 INFO L180 IcfgInterpreter]: Interpretation finished