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_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:18:05,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:18:05,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:18:05,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:18:05,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:18:05,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:18:05,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:18:05,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:18:05,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:18:05,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:18:05,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:18:05,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:18:05,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:18:05,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:18:05,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:18:05,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:18:05,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:18:05,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:18:05,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:18:05,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:18:05,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:18:05,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:18:05,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:18:05,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:18:05,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:18:05,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:18:05,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:18:05,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:18:05,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:18:05,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:18:05,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:18:05,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:18:05,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:18:05,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:18:05,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:18:05,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:18:05,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:18:05,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:18:05,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:18:05,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:18:05,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:18:05,413 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 23:18:05,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:18:05,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:18:05,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:18:05,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:18:05,429 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:18:05,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:18:05,429 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:18:05,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:18:05,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:18:05,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:18:05,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:18:05,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:18:05,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:18:05,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:18:05,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:18:05,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:18:05,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:18:05,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:18:05,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:18:05,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:18:05,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:18:05,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:18:05,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:18:05,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:18:05,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:18:05,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:18:05,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:18:05,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:18:05,434 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 23:18:05,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:18:05,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:18:05,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:18:05,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:18:05,739 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:18:05,740 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-10-13 23:18:05,806 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8acccdb/a80f52af5e6c4bc0a7351b284b23b8a3/FLAGa2b160aa1 [2019-10-13 23:18:06,353 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:18:06,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-10-13 23:18:06,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8acccdb/a80f52af5e6c4bc0a7351b284b23b8a3/FLAGa2b160aa1 [2019-10-13 23:18:06,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d8acccdb/a80f52af5e6c4bc0a7351b284b23b8a3 [2019-10-13 23:18:06,695 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:18:06,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:18:06,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:06,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:18:06,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:18:06,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:06, skipping insertion in model container [2019-10-13 23:18:06,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:18:06" (1/1) ... [2019-10-13 23:18:06,713 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:18:06,777 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:18:07,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:07,267 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:18:07,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:18:07,406 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:18:07,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07 WrapperNode [2019-10-13 23:18:07,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:18:07,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:18:07,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:18:07,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:18:07,423 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (1/1) ... [2019-10-13 23:18:07,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:18:07,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:18:07,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:18:07,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:18:07,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (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 23:18:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:18:07,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:18:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 23:18:07,581 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 23:18:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 23:18:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 23:18:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 23:18:07,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 23:18:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 23:18:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:07,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 23:18:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 23:18:07,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:18:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 23:18:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:18:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:18:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 23:18:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 23:18:07,586 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:18:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 23:18:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 23:18:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 23:18:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 23:18:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 23:18:07,587 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 23:18:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 23:18:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:18:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:18:07,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:18:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:18:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:18:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:07,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:18:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:18:07,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:18:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:18:07,590 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:18:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:18:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 23:18:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 23:18:07,591 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 23:18:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 23:18:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 23:18:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 23:18:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 23:18:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 23:18:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 23:18:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 23:18:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 23:18:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:18:07,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 23:18:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 23:18:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 23:18:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 23:18:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 23:18:07,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 23:18:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 23:18:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:18:07,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:18:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:18:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:18:07,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:18:07,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:18:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:18:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:18:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:18:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:18:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:18:07,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:18:07,601 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:18:07,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:18:09,353 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:18:09,354 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 23:18:09,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:09 BoogieIcfgContainer [2019-10-13 23:18:09,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:18:09,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:18:09,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:18:09,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:18:09,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:18:06" (1/3) ... [2019-10-13 23:18:09,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb2c3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:09, skipping insertion in model container [2019-10-13 23:18:09,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:18:07" (2/3) ... [2019-10-13 23:18:09,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb2c3ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:18:09, skipping insertion in model container [2019-10-13 23:18:09,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:18:09" (3/3) ... [2019-10-13 23:18:09,364 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2019-10-13 23:18:09,374 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:18:09,384 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:18:09,398 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:18:09,425 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:18:09,425 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:18:09,425 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:18:09,426 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:18:09,426 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:18:09,426 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:18:09,426 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:18:09,426 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:18:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-10-13 23:18:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 23:18:09,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:09,456 INFO L380 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] [2019-10-13 23:18:09,458 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:09,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:09,463 INFO L82 PathProgramCache]: Analyzing trace with hash 859758513, now seen corresponding path program 1 times [2019-10-13 23:18:09,471 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:09,471 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999304924] [2019-10-13 23:18:09,471 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,472 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:09,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999304924] [2019-10-13 23:18:09,828 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:09,828 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:18:09,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758520439] [2019-10-13 23:18:09,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:18:09,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:09,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:18:09,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:18:09,852 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-10-13 23:18:09,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:09,895 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2019-10-13 23:18:09,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:18:09,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 23:18:09,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:09,910 INFO L225 Difference]: With dead ends: 224 [2019-10-13 23:18:09,910 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 23:18:09,915 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 23:18:09,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 23:18:09,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 23:18:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 23:18:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2019-10-13 23:18:09,974 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 52 [2019-10-13 23:18:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:09,975 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2019-10-13 23:18:09,975 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:18:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2019-10-13 23:18:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-13 23:18:09,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:09,980 INFO L380 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] [2019-10-13 23:18:09,980 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:09,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:09,981 INFO L82 PathProgramCache]: Analyzing trace with hash 194581830, now seen corresponding path program 1 times [2019-10-13 23:18:09,981 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:09,981 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916812532] [2019-10-13 23:18:09,981 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:09,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:10,207 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916812532] [2019-10-13 23:18:10,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:10,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:10,208 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111813444] [2019-10-13 23:18:10,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:10,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:10,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:10,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:10,213 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 7 states. [2019-10-13 23:18:10,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:10,668 INFO L93 Difference]: Finished difference Result 203 states and 238 transitions. [2019-10-13 23:18:10,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:18:10,669 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-13 23:18:10,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:10,672 INFO L225 Difference]: With dead ends: 203 [2019-10-13 23:18:10,672 INFO L226 Difference]: Without dead ends: 114 [2019-10-13 23:18:10,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:18:10,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-13 23:18:10,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-13 23:18:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-13 23:18:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 129 transitions. [2019-10-13 23:18:10,708 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 129 transitions. Word has length 55 [2019-10-13 23:18:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:10,713 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 129 transitions. [2019-10-13 23:18:10,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 129 transitions. [2019-10-13 23:18:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-13 23:18:10,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:10,724 INFO L380 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] [2019-10-13 23:18:10,724 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:10,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:10,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1019805163, now seen corresponding path program 1 times [2019-10-13 23:18:10,725 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:10,725 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10553112] [2019-10-13 23:18:10,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,726 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:10,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10553112] [2019-10-13 23:18:10,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:10,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:18:10,842 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624774230] [2019-10-13 23:18:10,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:18:10,843 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:10,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:18:10,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:18:10,843 INFO L87 Difference]: Start difference. First operand 114 states and 129 transitions. Second operand 3 states. [2019-10-13 23:18:10,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:10,857 INFO L93 Difference]: Finished difference Result 182 states and 206 transitions. [2019-10-13 23:18:10,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:18:10,857 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-10-13 23:18:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:10,859 INFO L225 Difference]: With dead ends: 182 [2019-10-13 23:18:10,860 INFO L226 Difference]: Without dead ends: 106 [2019-10-13 23:18:10,861 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 23:18:10,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-13 23:18:10,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-13 23:18:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-13 23:18:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2019-10-13 23:18:10,873 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 66 [2019-10-13 23:18:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:10,873 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2019-10-13 23:18:10,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:18:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2019-10-13 23:18:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 23:18:10,875 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:10,875 INFO L380 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] [2019-10-13 23:18:10,875 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:10,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1392855685, now seen corresponding path program 1 times [2019-10-13 23:18:10,876 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:10,876 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730853887] [2019-10-13 23:18:10,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,877 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:10,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:11,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:11,017 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730853887] [2019-10-13 23:18:11,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:11,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 23:18:11,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440402105] [2019-10-13 23:18:11,019 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 23:18:11,020 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:11,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 23:18:11,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 23:18:11,021 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand 5 states. [2019-10-13 23:18:11,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:11,573 INFO L93 Difference]: Finished difference Result 275 states and 323 transitions. [2019-10-13 23:18:11,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:18:11,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-10-13 23:18:11,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:11,580 INFO L225 Difference]: With dead ends: 275 [2019-10-13 23:18:11,581 INFO L226 Difference]: Without dead ends: 194 [2019-10-13 23:18:11,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:18:11,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-10-13 23:18:11,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 179. [2019-10-13 23:18:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-10-13 23:18:11,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 199 transitions. [2019-10-13 23:18:11,635 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 199 transitions. Word has length 68 [2019-10-13 23:18:11,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:11,635 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 199 transitions. [2019-10-13 23:18:11,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 23:18:11,636 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 199 transitions. [2019-10-13 23:18:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 23:18:11,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:11,637 INFO L380 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] [2019-10-13 23:18:11,637 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:11,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:11,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1888393877, now seen corresponding path program 1 times [2019-10-13 23:18:11,638 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:11,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561926467] [2019-10-13 23:18:11,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:11,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:11,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:11,875 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561926467] [2019-10-13 23:18:11,875 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:11,875 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 23:18:11,875 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192569020] [2019-10-13 23:18:11,876 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 23:18:11,876 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:11,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 23:18:11,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:18:11,877 INFO L87 Difference]: Start difference. First operand 179 states and 199 transitions. Second operand 12 states. [2019-10-13 23:18:12,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:12,965 INFO L93 Difference]: Finished difference Result 475 states and 543 transitions. [2019-10-13 23:18:12,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 23:18:12,966 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 77 [2019-10-13 23:18:12,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:12,970 INFO L225 Difference]: With dead ends: 475 [2019-10-13 23:18:12,971 INFO L226 Difference]: Without dead ends: 321 [2019-10-13 23:18:12,972 INFO L600 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 [2019-10-13 23:18:12,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-10-13 23:18:13,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2019-10-13 23:18:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-10-13 23:18:13,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 352 transitions. [2019-10-13 23:18:13,010 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 352 transitions. Word has length 77 [2019-10-13 23:18:13,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:13,011 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 352 transitions. [2019-10-13 23:18:13,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 23:18:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 352 transitions. [2019-10-13 23:18:13,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 23:18:13,014 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:13,015 INFO L380 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] [2019-10-13 23:18:13,015 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:13,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:13,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1194579199, now seen corresponding path program 1 times [2019-10-13 23:18:13,016 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:13,016 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954591720] [2019-10-13 23:18:13,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:13,016 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:13,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 23:18:13,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954591720] [2019-10-13 23:18:13,118 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:13,119 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 23:18:13,119 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001129272] [2019-10-13 23:18:13,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 23:18:13,120 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:13,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 23:18:13,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 23:18:13,120 INFO L87 Difference]: Start difference. First operand 309 states and 352 transitions. Second operand 7 states. [2019-10-13 23:18:13,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:13,695 INFO L93 Difference]: Finished difference Result 617 states and 725 transitions. [2019-10-13 23:18:13,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:18:13,696 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2019-10-13 23:18:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:13,703 INFO L225 Difference]: With dead ends: 617 [2019-10-13 23:18:13,705 INFO L226 Difference]: Without dead ends: 333 [2019-10-13 23:18:13,706 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:18:13,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-10-13 23:18:13,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 306. [2019-10-13 23:18:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-10-13 23:18:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 343 transitions. [2019-10-13 23:18:13,767 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 343 transitions. Word has length 77 [2019-10-13 23:18:13,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:13,769 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 343 transitions. [2019-10-13 23:18:13,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 23:18:13,769 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 343 transitions. [2019-10-13 23:18:13,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-13 23:18:13,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:13,772 INFO L380 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] [2019-10-13 23:18:13,772 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:13,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:13,772 INFO L82 PathProgramCache]: Analyzing trace with hash 592950339, now seen corresponding path program 1 times [2019-10-13 23:18:13,773 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:13,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581311158] [2019-10-13 23:18:13,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:13,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:13,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:14,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 23:18:14,021 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581311158] [2019-10-13 23:18:14,022 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:18:14,022 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 23:18:14,022 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515285360] [2019-10-13 23:18:14,023 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 23:18:14,023 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:18:14,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 23:18:14,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 23:18:14,024 INFO L87 Difference]: Start difference. First operand 306 states and 343 transitions. Second operand 9 states. [2019-10-13 23:18:14,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:18:14,913 INFO L93 Difference]: Finished difference Result 931 states and 1073 transitions. [2019-10-13 23:18:14,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 23:18:14,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2019-10-13 23:18:14,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:18:14,920 INFO L225 Difference]: With dead ends: 931 [2019-10-13 23:18:14,920 INFO L226 Difference]: Without dead ends: 707 [2019-10-13 23:18:14,921 INFO L600 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 [2019-10-13 23:18:14,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-10-13 23:18:14,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 610. [2019-10-13 23:18:14,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-10-13 23:18:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 691 transitions. [2019-10-13 23:18:14,965 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 691 transitions. Word has length 80 [2019-10-13 23:18:14,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:18:14,965 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 691 transitions. [2019-10-13 23:18:14,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 23:18:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 691 transitions. [2019-10-13 23:18:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 23:18:14,968 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:18:14,968 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:18:14,969 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:18:14,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:18:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash 183080203, now seen corresponding path program 1 times [2019-10-13 23:18:14,969 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:18:14,970 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530393356] [2019-10-13 23:18:14,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:14,970 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:18:14,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:18:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:15,116 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 23:18:15,116 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530393356] [2019-10-13 23:18:15,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776597766] [2019-10-13 23:18:15,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:18:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:18:15,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 23:18:15,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:18:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 23:18:15,555 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:18:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 23:18:15,931 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [705752267] [2019-10-13 23:18:15,965 INFO L162 IcfgInterpreter]: Started Sifa with 99 locations of interest [2019-10-13 23:18:15,965 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:18:15,973 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:18:15,982 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:18:15,983 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:18:24,193 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-13 23:18:25,739 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-13 23:18:25,870 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:25,987 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:26,110 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-13 23:18:26,374 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:26,581 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:26,815 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,008 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,282 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-13 23:18:27,418 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,594 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,712 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,844 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,967 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-13 23:18:27,976 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-13 23:18:28,194 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-13 23:18:28,329 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:28,473 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:28,606 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:28,744 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:29,001 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:29,121 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:29,342 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:29,718 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 546 [2019-10-13 23:18:29,886 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,049 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:30,173 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,422 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:30,624 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:30,815 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:30,927 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,031 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:31,178 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:31,494 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:31,824 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:32,140 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:32,469 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:32,589 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:32,810 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:33,022 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-13 23:18:33,141 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:33,278 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:33,400 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:33,524 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:33,768 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:33,880 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:34,004 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:34,116 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:34,259 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:34,378 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:34,531 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:34,646 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:34,771 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,058 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-13 23:18:35,171 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-13 23:18:35,449 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:35,656 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-13 23:18:35,768 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-13 23:18:35,888 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,004 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-13 23:18:36,115 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-13 23:18:36,240 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,373 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,487 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,631 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:36,764 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:36,877 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,000 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:37,218 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-13 23:18:37,334 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,472 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:37,583 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,696 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:37,825 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:38,056 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:38,166 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:38,294 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:38,520 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:38,632 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:38,754 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:38,865 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:38,978 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:39,097 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:39,237 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:39,355 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:39,485 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:39,692 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:39,806 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:39,936 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,148 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-13 23:18:40,261 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,392 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,605 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 564 [2019-10-13 23:18:40,719 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:40,846 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:41,042 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 566 [2019-10-13 23:18:41,157 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:41,290 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:41,505 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:41,620 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:41,742 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:41,944 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:42,055 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:42,181 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:42,292 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:42,404 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:42,525 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:42,775 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:42,888 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,015 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,230 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:43,342 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,467 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,581 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,693 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,813 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:43,954 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,073 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,203 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,321 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,433 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,557 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,670 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,784 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:44,907 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,232 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-13 23:18:45,345 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-13 23:18:45,471 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,675 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-13 23:18:45,788 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:45,917 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:46,129 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-13 23:18:46,244 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,373 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:46,580 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-13 23:18:46,692 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-13 23:18:46,817 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-13 23:18:47,023 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-13 23:18:47,133 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:47,254 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-13 23:18:47,474 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560