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 0.1.24-13a467a-m [2019-10-15 03:22:44,524 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:22:44,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:22:44,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:22:44,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:22:44,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:22:44,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:22:44,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:22:44,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:22:44,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:22:44,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:22:44,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:22:44,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:22:44,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:22:44,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:22:44,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:22:44,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:22:44,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:22:44,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:22:44,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:22:44,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:22:44,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:22:44,567 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:22:44,568 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:22:44,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:22:44,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:22:44,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:22:44,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:22:44,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:22:44,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:22:44,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:22:44,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:22:44,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:22:44,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:22:44,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:22:44,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:22:44,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:22:44,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:22:44,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:22:44,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:22:44,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:22:44,581 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 [2019-10-15 03:22:44,598 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:22:44,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:22:44,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:22:44,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:22:44,600 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:22:44,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:22:44,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:22:44,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:22:44,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:22:44,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:22:44,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:22:44,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:22:44,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:22:44,602 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:22:44,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:22:44,603 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:22:44,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:22:44,603 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:22:44,603 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:22:44,603 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:22:44,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:22:44,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:44,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:22:44,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:22:44,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:22:44,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:22:44,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:22:44,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:22:44,605 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 [2019-10-15 03:22:44,891 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:22:44,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:22:44,908 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:22:44,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:22:44,910 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:22:44,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-10-15 03:22:44,981 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba377625b/2e86b8342f9c4d4592eae4cac3bd41a2/FLAG9c4d0e6ed [2019-10-15 03:22:45,537 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:22:45,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product37.cil.c [2019-10-15 03:22:45,552 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba377625b/2e86b8342f9c4d4592eae4cac3bd41a2/FLAG9c4d0e6ed [2019-10-15 03:22:45,841 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba377625b/2e86b8342f9c4d4592eae4cac3bd41a2 [2019-10-15 03:22:45,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:22:45,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:22:45,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:45,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:22:45,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:22:45,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:45" (1/1) ... [2019-10-15 03:22:45,862 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 15.10 03:22:45, skipping insertion in model container [2019-10-15 03:22:45,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:45" (1/1) ... [2019-10-15 03:22:45,870 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:22:45,931 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:22:46,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:46,406 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:22:46,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:46,561 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:22:46,561 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46 WrapperNode [2019-10-15 03:22:46,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:46,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:22:46,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:22:46,563 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:22:46,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,665 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:22:46,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:22:46,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:22:46,666 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:22:46,667 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (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 [2019-10-15 03:22:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:22:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:22:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:46,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:22:46,745 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:22:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:22:46,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:22:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:22:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:22:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:22:46,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:22:46,748 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:22:46,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:22:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:22:46,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:22:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:22:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:22:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:22:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:22:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:22:46,752 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:22:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:22:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:22:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:22:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:22:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:22:46,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:22:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:22:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:22:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:22:46,754 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:22:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:22:46,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:22:46,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:22:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:22:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:22:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:22:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:22:46,756 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:22:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:22:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:22:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:22:46,758 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:46,759 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:22:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:22:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:22:46,760 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:22:46,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:22:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:22:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:22:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:22:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:22:46,762 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:22:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:22:46,763 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:22:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:22:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:22:46,764 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:22:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:22:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:46,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:22:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:22:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:22:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:22:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:22:46,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:46,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:22:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:22:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:22:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:22:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:22:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:22:46,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:22:48,580 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:22:48,581 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:22:48,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:48 BoogieIcfgContainer [2019-10-15 03:22:48,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:22:48,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:22:48,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:22:48,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:22:48,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:22:45" (1/3) ... [2019-10-15 03:22:48,589 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 15.10 03:22:48, skipping insertion in model container [2019-10-15 03:22:48,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (2/3) ... [2019-10-15 03:22:48,590 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 15.10 03:22:48, skipping insertion in model container [2019-10-15 03:22:48,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:48" (3/3) ... [2019-10-15 03:22:48,593 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37.cil.c [2019-10-15 03:22:48,602 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:22:48,614 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:22:48,625 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:22:48,656 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:22:48,656 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:22:48,657 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:22:48,657 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:22:48,657 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:22:48,657 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:22:48,658 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:22:48,658 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:22:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2019-10-15 03:22:48,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:22:48,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:48,688 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] [2019-10-15 03:22:48,690 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:48,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:48,696 INFO L82 PathProgramCache]: Analyzing trace with hash 859758513, now seen corresponding path program 1 times [2019-10-15 03:22:48,703 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:48,704 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999304924] [2019-10-15 03:22:48,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:48,704 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:48,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:49,062 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999304924] [2019-10-15 03:22:49,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:49,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:22:49,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758520439] [2019-10-15 03:22:49,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:22:49,074 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:49,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:22:49,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:49,090 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2019-10-15 03:22:49,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:49,160 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2019-10-15 03:22:49,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:22:49,164 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:22:49,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:49,183 INFO L225 Difference]: With dead ends: 224 [2019-10-15 03:22:49,183 INFO L226 Difference]: Without dead ends: 114 [2019-10-15 03:22:49,193 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 [2019-10-15 03:22:49,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-15 03:22:49,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-15 03:22:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-15 03:22:49,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 130 transitions. [2019-10-15 03:22:49,292 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 130 transitions. Word has length 52 [2019-10-15 03:22:49,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:49,293 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 130 transitions. [2019-10-15 03:22:49,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:22:49,294 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 130 transitions. [2019-10-15 03:22:49,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 03:22:49,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:49,302 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] [2019-10-15 03:22:49,303 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:49,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:49,306 INFO L82 PathProgramCache]: Analyzing trace with hash 194581830, now seen corresponding path program 1 times [2019-10-15 03:22:49,306 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:49,306 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916812532] [2019-10-15 03:22:49,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:49,307 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:49,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:49,589 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916812532] [2019-10-15 03:22:49,590 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:49,590 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:49,590 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111813444] [2019-10-15 03:22:49,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:49,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:49,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:49,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:49,594 INFO L87 Difference]: Start difference. First operand 114 states and 130 transitions. Second operand 7 states. [2019-10-15 03:22:50,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:50,036 INFO L93 Difference]: Finished difference Result 203 states and 238 transitions. [2019-10-15 03:22:50,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:22:50,037 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-15 03:22:50,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:50,039 INFO L225 Difference]: With dead ends: 203 [2019-10-15 03:22:50,040 INFO L226 Difference]: Without dead ends: 114 [2019-10-15 03:22:50,041 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:22:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-15 03:22:50,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2019-10-15 03:22:50,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-15 03:22:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 129 transitions. [2019-10-15 03:22:50,057 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 129 transitions. Word has length 55 [2019-10-15 03:22:50,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:50,060 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 129 transitions. [2019-10-15 03:22:50,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:50,060 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 129 transitions. [2019-10-15 03:22:50,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 03:22:50,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:50,063 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] [2019-10-15 03:22:50,063 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:50,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:50,063 INFO L82 PathProgramCache]: Analyzing trace with hash -1019805163, now seen corresponding path program 1 times [2019-10-15 03:22:50,064 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:50,064 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10553112] [2019-10-15 03:22:50,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,064 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:50,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:50,134 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10553112] [2019-10-15 03:22:50,134 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:50,134 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:22:50,135 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624774230] [2019-10-15 03:22:50,135 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:22:50,136 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:50,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:22:50,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:22:50,136 INFO L87 Difference]: Start difference. First operand 114 states and 129 transitions. Second operand 3 states. [2019-10-15 03:22:50,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:50,151 INFO L93 Difference]: Finished difference Result 182 states and 206 transitions. [2019-10-15 03:22:50,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:22:50,152 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2019-10-15 03:22:50,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:50,154 INFO L225 Difference]: With dead ends: 182 [2019-10-15 03:22:50,154 INFO L226 Difference]: Without dead ends: 106 [2019-10-15 03:22:50,155 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 [2019-10-15 03:22:50,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2019-10-15 03:22:50,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2019-10-15 03:22:50,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-15 03:22:50,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 118 transitions. [2019-10-15 03:22:50,168 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 118 transitions. Word has length 66 [2019-10-15 03:22:50,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:50,168 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 118 transitions. [2019-10-15 03:22:50,168 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:22:50,168 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 118 transitions. [2019-10-15 03:22:50,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 03:22:50,171 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:50,171 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] [2019-10-15 03:22:50,171 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:50,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:50,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1392855685, now seen corresponding path program 1 times [2019-10-15 03:22:50,172 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:50,172 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730853887] [2019-10-15 03:22:50,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,173 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:50,305 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730853887] [2019-10-15 03:22:50,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:50,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:22:50,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440402105] [2019-10-15 03:22:50,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:22:50,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:50,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:22:50,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:22:50,308 INFO L87 Difference]: Start difference. First operand 106 states and 118 transitions. Second operand 5 states. [2019-10-15 03:22:50,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:50,859 INFO L93 Difference]: Finished difference Result 275 states and 323 transitions. [2019-10-15 03:22:50,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:22:50,860 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-10-15 03:22:50,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:50,867 INFO L225 Difference]: With dead ends: 275 [2019-10-15 03:22:50,867 INFO L226 Difference]: Without dead ends: 194 [2019-10-15 03:22:50,871 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 [2019-10-15 03:22:50,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2019-10-15 03:22:50,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 179. [2019-10-15 03:22:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2019-10-15 03:22:50,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 199 transitions. [2019-10-15 03:22:50,907 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 199 transitions. Word has length 68 [2019-10-15 03:22:50,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:50,908 INFO L462 AbstractCegarLoop]: Abstraction has 179 states and 199 transitions. [2019-10-15 03:22:50,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:22:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 199 transitions. [2019-10-15 03:22:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 03:22:50,910 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:50,910 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] [2019-10-15 03:22:50,910 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:50,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:50,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1888393877, now seen corresponding path program 1 times [2019-10-15 03:22:50,911 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:50,911 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561926467] [2019-10-15 03:22:50,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:51,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561926467] [2019-10-15 03:22:51,168 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:51,168 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-15 03:22:51,168 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192569020] [2019-10-15 03:22:51,169 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-15 03:22:51,169 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:51,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-15 03:22:51,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:22:51,170 INFO L87 Difference]: Start difference. First operand 179 states and 199 transitions. Second operand 12 states. [2019-10-15 03:22:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:52,103 INFO L93 Difference]: Finished difference Result 475 states and 543 transitions. [2019-10-15 03:22:52,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 03:22:52,104 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 77 [2019-10-15 03:22:52,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:52,112 INFO L225 Difference]: With dead ends: 475 [2019-10-15 03:22:52,112 INFO L226 Difference]: Without dead ends: 321 [2019-10-15 03:22:52,113 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 [2019-10-15 03:22:52,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2019-10-15 03:22:52,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 309. [2019-10-15 03:22:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-10-15 03:22:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 352 transitions. [2019-10-15 03:22:52,177 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 352 transitions. Word has length 77 [2019-10-15 03:22:52,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:52,178 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 352 transitions. [2019-10-15 03:22:52,178 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-15 03:22:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 352 transitions. [2019-10-15 03:22:52,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 03:22:52,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:52,185 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] [2019-10-15 03:22:52,185 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:52,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:52,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1194579199, now seen corresponding path program 1 times [2019-10-15 03:22:52,186 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:52,186 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954591720] [2019-10-15 03:22:52,187 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,187 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,187 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 03:22:52,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954591720] [2019-10-15 03:22:52,311 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:52,312 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:52,312 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001129272] [2019-10-15 03:22:52,312 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:52,313 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:52,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:52,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:52,313 INFO L87 Difference]: Start difference. First operand 309 states and 352 transitions. Second operand 7 states. [2019-10-15 03:22:52,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:52,901 INFO L93 Difference]: Finished difference Result 617 states and 725 transitions. [2019-10-15 03:22:52,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:22:52,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2019-10-15 03:22:52,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:52,906 INFO L225 Difference]: With dead ends: 617 [2019-10-15 03:22:52,906 INFO L226 Difference]: Without dead ends: 333 [2019-10-15 03:22:52,909 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 [2019-10-15 03:22:52,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2019-10-15 03:22:52,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 306. [2019-10-15 03:22:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-10-15 03:22:52,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 343 transitions. [2019-10-15 03:22:52,954 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 343 transitions. Word has length 77 [2019-10-15 03:22:52,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:52,956 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 343 transitions. [2019-10-15 03:22:52,956 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 343 transitions. [2019-10-15 03:22:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 03:22:52,957 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:52,957 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] [2019-10-15 03:22:52,957 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:52,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:52,958 INFO L82 PathProgramCache]: Analyzing trace with hash 592950339, now seen corresponding path program 1 times [2019-10-15 03:22:52,958 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:52,958 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581311158] [2019-10-15 03:22:52,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,959 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:53,192 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581311158] [2019-10-15 03:22:53,192 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:53,192 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:22:53,193 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515285360] [2019-10-15 03:22:53,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:22:53,193 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:53,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:22:53,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:22:53,194 INFO L87 Difference]: Start difference. First operand 306 states and 343 transitions. Second operand 9 states. [2019-10-15 03:22:54,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:54,064 INFO L93 Difference]: Finished difference Result 931 states and 1073 transitions. [2019-10-15 03:22:54,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:22:54,066 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2019-10-15 03:22:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:54,072 INFO L225 Difference]: With dead ends: 931 [2019-10-15 03:22:54,072 INFO L226 Difference]: Without dead ends: 707 [2019-10-15 03:22:54,074 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 [2019-10-15 03:22:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2019-10-15 03:22:54,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 610. [2019-10-15 03:22:54,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2019-10-15 03:22:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 691 transitions. [2019-10-15 03:22:54,133 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 691 transitions. Word has length 80 [2019-10-15 03:22:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:54,136 INFO L462 AbstractCegarLoop]: Abstraction has 610 states and 691 transitions. [2019-10-15 03:22:54,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:22:54,137 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 691 transitions. [2019-10-15 03:22:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-15 03:22:54,138 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:54,139 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] [2019-10-15 03:22:54,139 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash 183080203, now seen corresponding path program 1 times [2019-10-15 03:22:54,140 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:54,140 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530393356] [2019-10-15 03:22:54,140 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:54,141 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:54,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 03:22:54,338 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530393356] [2019-10-15 03:22:54,339 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776597766] [2019-10-15 03:22:54,339 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 [2019-10-15 03:22:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:54,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 03:22:54,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:22:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:22:54,758 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:22:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 03:22:55,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [705752267] [2019-10-15 03:22:55,214 INFO L162 IcfgInterpreter]: Started Sifa with 99 locations of interest [2019-10-15 03:22:55,214 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:22:55,229 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:22:55,238 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:22:55,239 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:23:03,604 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:23:05,291 WARN L191 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:23:05,420 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:05,549 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:05,696 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:05,919 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:06,167 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:06,421 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:06,641 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,001 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:23:07,128 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,298 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,432 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,537 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,671 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,681 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:23:07,964 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-15 03:23:07,965 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:23:08,076 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,190 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,334 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:08,478 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,583 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,722 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:08,939 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:09,104 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:09,343 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 546 [2019-10-15 03:23:09,449 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:09,663 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:09,814 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:09,919 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,040 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:10,146 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,262 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,435 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:10,541 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,770 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:11,099 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:11,418 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:11,621 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:11,776 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:12,100 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:12,420 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:12,533 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:12,753 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:12,886 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:12,997 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:13,117 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:13,400 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:13,511 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:13,637 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:13,749 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:13,859 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:13,979 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:14,123 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:14,242 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:14,367 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:14,577 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:23:14,688 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:23:14,964 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:15,235 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:23:15,367 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:23:15,488 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:15,601 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:23:15,712 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:23:15,835 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:15,948 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,062 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,194 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:16,331 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,444 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,568 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:16,788 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-15 03:23:16,901 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,042 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:17,154 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,284 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,407 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:17,629 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:17,740 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:17,864 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:18,066 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:18,179 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:18,314 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:18,425 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:18,536 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:18,656 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:18,793 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:18,906 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:19,037 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:19,260 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:19,375 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:19,509 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:19,719 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:19,841 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:19,964 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:20,185 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 564 [2019-10-15 03:23:20,301 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:20,431 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:20,629 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 573 DAG size of output: 566 [2019-10-15 03:23:20,745 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:20,875 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:21,092 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:21,207 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:21,343 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:21,545 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:21,656 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:21,780 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:21,892 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:22,003 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:22,124 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:22,348 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:22,461 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:22,586 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:22,789 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:22,901 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:23,024 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:23,136 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:23,249 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:23,379 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:23,506 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,619 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,754 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,873 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,987 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:24,113 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:24,228 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:24,343 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:24,471 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:24,755 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:23:24,868 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:23:24,996 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,207 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-15 03:23:25,324 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,452 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:25,676 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-15 03:23:25,789 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,918 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:26,128 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-15 03:23:26,243 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,369 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:26,581 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:23:26,696 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:26,820 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560