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_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:23:35,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:23:35,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:23:35,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:23:35,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:23:35,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:23:35,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:23:35,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:23:35,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:23:35,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:23:35,740 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:23:35,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:23:35,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:23:35,742 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:23:35,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:23:35,744 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:23:35,745 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:23:35,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:23:35,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:23:35,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:23:35,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:23:35,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:23:35,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:23:35,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:23:35,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:23:35,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:23:35,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:23:35,756 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:23:35,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:23:35,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:23:35,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:23:35,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:23:35,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:23:35,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:23:35,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:23:35,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:23:35,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:23:35,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:23:35,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:23:35,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:23:35,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:23:35,764 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 03:23:35,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:23:35,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:23:35,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:23:35,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:23:35,779 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:23:35,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:23:35,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:23:35,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:23:35,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:23:35,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:23:35,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:23:35,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:23:35,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:23:35,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:23:35,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:23:35,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:23:35,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:23:35,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:23:35,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:23:35,782 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:23:35,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:23:35,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:23:35,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:23:35,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:23:35,783 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:23:35,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:23:35,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:23:35,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:23:35,784 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 03:23:36,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:23:36,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:23:36,058 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:23:36,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:23:36,059 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:23:36,060 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-10-15 03:23:36,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d6146af/dffd86ccf97f481fbf9960c5ff8c7307/FLAGe29e66216 [2019-10-15 03:23:36,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:23:36,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product57.cil.c [2019-10-15 03:23:36,658 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d6146af/dffd86ccf97f481fbf9960c5ff8c7307/FLAGe29e66216 [2019-10-15 03:23:36,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d6146af/dffd86ccf97f481fbf9960c5ff8c7307 [2019-10-15 03:23:36,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:23:36,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:23:36,975 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:23:36,975 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:23:36,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:23:36,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:23:36" (1/1) ... [2019-10-15 03:23:36,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191613fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:36, skipping insertion in model container [2019-10-15 03:23:36,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:23:36" (1/1) ... [2019-10-15 03:23:36,992 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:23:37,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:23:37,457 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:23:37,478 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:23:37,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:23:37,618 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:23:37,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37 WrapperNode [2019-10-15 03:23:37,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:23:37,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:23:37,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:23:37,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:23:37,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (1/1) ... [2019-10-15 03:23:37,725 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:23:37,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:23:37,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:23:37,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:23:37,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (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 03:23:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:23:37,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:23:37,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:23:37,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:23:37,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:23:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:23:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:23:37,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:23:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:23:37,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:23:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:23:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:23:37,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:23:37,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:23:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:23:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:23:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:23:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:23:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:23:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:23:37,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 03:23:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:23:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:23:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:23:37,810 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:23:37,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:23:37,812 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:23:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:23:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:23:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:23:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:23:37,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:23:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:23:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:23:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:23:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:23:37,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:23:37,815 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:23:37,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:23:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:23:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:23:37,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:23:37,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:23:37,821 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 03:23:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 03:23:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:23:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:23:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:23:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:23:39,412 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:23:39,412 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:23:39,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:23:39 BoogieIcfgContainer [2019-10-15 03:23:39,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:23:39,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:23:39,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:23:39,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:23:39,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:23:36" (1/3) ... [2019-10-15 03:23:39,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7583c354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:23:39, skipping insertion in model container [2019-10-15 03:23:39,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:23:37" (2/3) ... [2019-10-15 03:23:39,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7583c354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:23:39, skipping insertion in model container [2019-10-15 03:23:39,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:23:39" (3/3) ... [2019-10-15 03:23:39,423 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product57.cil.c [2019-10-15 03:23:39,435 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:23:39,444 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:23:39,458 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:23:39,496 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:23:39,497 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:23:39,497 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:23:39,497 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:23:39,498 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:23:39,498 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:23:39,498 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:23:39,498 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:23:39,533 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2019-10-15 03:23:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:23:39,551 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:39,552 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 03:23:39,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:39,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:39,561 INFO L82 PathProgramCache]: Analyzing trace with hash 2066518771, now seen corresponding path program 1 times [2019-10-15 03:23:39,571 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:39,571 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168178868] [2019-10-15 03:23:39,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:39,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:39,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:39,917 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 03:23:39,918 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168178868] [2019-10-15 03:23:39,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:39,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:23:39,920 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848816212] [2019-10-15 03:23:39,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:23:39,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:39,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:23:39,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:23:39,941 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 2 states. [2019-10-15 03:23:39,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:39,984 INFO L93 Difference]: Finished difference Result 250 states and 297 transitions. [2019-10-15 03:23:39,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:23:39,985 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:23:39,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:40,001 INFO L225 Difference]: With dead ends: 250 [2019-10-15 03:23:40,001 INFO L226 Difference]: Without dead ends: 127 [2019-10-15 03:23:40,013 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 03:23:40,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-15 03:23:40,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-15 03:23:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-15 03:23:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 144 transitions. [2019-10-15 03:23:40,122 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 144 transitions. Word has length 52 [2019-10-15 03:23:40,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:40,123 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 144 transitions. [2019-10-15 03:23:40,123 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:23:40,124 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 144 transitions. [2019-10-15 03:23:40,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:23:40,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:40,131 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] [2019-10-15 03:23:40,132 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:40,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:40,133 INFO L82 PathProgramCache]: Analyzing trace with hash 892628661, now seen corresponding path program 1 times [2019-10-15 03:23:40,134 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:40,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683035838] [2019-10-15 03:23:40,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:40,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:40,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:40,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:40,313 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 03:23:40,314 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683035838] [2019-10-15 03:23:40,314 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:40,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:23:40,315 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011552850] [2019-10-15 03:23:40,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:23:40,318 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:40,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:23:40,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:23:40,318 INFO L87 Difference]: Start difference. First operand 127 states and 144 transitions. Second operand 3 states. [2019-10-15 03:23:40,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:40,361 INFO L93 Difference]: Finished difference Result 208 states and 236 transitions. [2019-10-15 03:23:40,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:23:40,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 03:23:40,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:40,366 INFO L225 Difference]: With dead ends: 208 [2019-10-15 03:23:40,366 INFO L226 Difference]: Without dead ends: 119 [2019-10-15 03:23:40,370 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 03:23:40,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-15 03:23:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-15 03:23:40,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-15 03:23:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2019-10-15 03:23:40,396 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 53 [2019-10-15 03:23:40,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:40,396 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2019-10-15 03:23:40,397 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:23:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2019-10-15 03:23:40,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-10-15 03:23:40,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:40,404 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 03:23:40,404 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:40,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:40,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1014031683, now seen corresponding path program 1 times [2019-10-15 03:23:40,407 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:40,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326119045] [2019-10-15 03:23:40,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:40,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:40,407 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:40,575 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 03:23:40,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326119045] [2019-10-15 03:23:40,576 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:40,576 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:23:40,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396600135] [2019-10-15 03:23:40,578 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:23:40,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:40,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:23:40,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:23:40,580 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand 7 states. [2019-10-15 03:23:40,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:40,907 INFO L93 Difference]: Finished difference Result 213 states and 242 transitions. [2019-10-15 03:23:40,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:23:40,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2019-10-15 03:23:40,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:40,910 INFO L225 Difference]: With dead ends: 213 [2019-10-15 03:23:40,910 INFO L226 Difference]: Without dead ends: 119 [2019-10-15 03:23:40,911 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 [2019-10-15 03:23:40,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2019-10-15 03:23:40,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2019-10-15 03:23:40,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-15 03:23:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 132 transitions. [2019-10-15 03:23:40,924 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 132 transitions. Word has length 55 [2019-10-15 03:23:40,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:40,926 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 132 transitions. [2019-10-15 03:23:40,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:23:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 132 transitions. [2019-10-15 03:23:40,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-15 03:23:40,927 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:40,928 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 03:23:40,928 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:40,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:40,928 INFO L82 PathProgramCache]: Analyzing trace with hash -70838254, now seen corresponding path program 1 times [2019-10-15 03:23:40,929 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:40,929 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077154445] [2019-10-15 03:23:40,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:40,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:40,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:41,016 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 03:23:41,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077154445] [2019-10-15 03:23:41,017 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:41,017 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 03:23:41,017 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971030354] [2019-10-15 03:23:41,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 03:23:41,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:41,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 03:23:41,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 03:23:41,021 INFO L87 Difference]: Start difference. First operand 119 states and 132 transitions. Second operand 5 states. [2019-10-15 03:23:41,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:41,474 INFO L93 Difference]: Finished difference Result 303 states and 353 transitions. [2019-10-15 03:23:41,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:23:41,476 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2019-10-15 03:23:41,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:41,479 INFO L225 Difference]: With dead ends: 303 [2019-10-15 03:23:41,479 INFO L226 Difference]: Without dead ends: 209 [2019-10-15 03:23:41,480 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 03:23:41,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-10-15 03:23:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 194. [2019-10-15 03:23:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2019-10-15 03:23:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 215 transitions. [2019-10-15 03:23:41,502 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 215 transitions. Word has length 68 [2019-10-15 03:23:41,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:41,502 INFO L462 AbstractCegarLoop]: Abstraction has 194 states and 215 transitions. [2019-10-15 03:23:41,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 03:23:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 215 transitions. [2019-10-15 03:23:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 03:23:41,504 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:41,504 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 03:23:41,504 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:41,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:41,505 INFO L82 PathProgramCache]: Analyzing trace with hash 2098768733, now seen corresponding path program 1 times [2019-10-15 03:23:41,505 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:41,505 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33431537] [2019-10-15 03:23:41,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:41,505 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:41,505 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:41,646 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 03:23:41,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33431537] [2019-10-15 03:23:41,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:41,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:23:41,648 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310745194] [2019-10-15 03:23:41,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:23:41,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:41,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:23:41,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:23:41,649 INFO L87 Difference]: Start difference. First operand 194 states and 215 transitions. Second operand 7 states. [2019-10-15 03:23:42,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:42,171 INFO L93 Difference]: Finished difference Result 377 states and 431 transitions. [2019-10-15 03:23:42,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:23:42,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2019-10-15 03:23:42,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:42,174 INFO L225 Difference]: With dead ends: 377 [2019-10-15 03:23:42,174 INFO L226 Difference]: Without dead ends: 208 [2019-10-15 03:23:42,175 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 03:23:42,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2019-10-15 03:23:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 193. [2019-10-15 03:23:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2019-10-15 03:23:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 212 transitions. [2019-10-15 03:23:42,194 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 212 transitions. Word has length 77 [2019-10-15 03:23:42,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:42,195 INFO L462 AbstractCegarLoop]: Abstraction has 193 states and 212 transitions. [2019-10-15 03:23:42,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:23:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 212 transitions. [2019-10-15 03:23:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-10-15 03:23:42,196 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:42,196 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:23:42,197 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:42,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:42,197 INFO L82 PathProgramCache]: Analyzing trace with hash -719855939, now seen corresponding path program 1 times [2019-10-15 03:23:42,197 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:42,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361416664] [2019-10-15 03:23:42,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:42,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:42,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:42,453 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 03:23:42,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361416664] [2019-10-15 03:23:42,453 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:42,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-15 03:23:42,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514055517] [2019-10-15 03:23:42,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-15 03:23:42,455 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:42,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-15 03:23:42,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:23:42,455 INFO L87 Difference]: Start difference. First operand 193 states and 212 transitions. Second operand 12 states. [2019-10-15 03:23:43,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:43,285 INFO L93 Difference]: Finished difference Result 498 states and 568 transitions. [2019-10-15 03:23:43,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 03:23:43,285 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 90 [2019-10-15 03:23:43,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:43,289 INFO L225 Difference]: With dead ends: 498 [2019-10-15 03:23:43,289 INFO L226 Difference]: Without dead ends: 330 [2019-10-15 03:23:43,290 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 03:23:43,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2019-10-15 03:23:43,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 321. [2019-10-15 03:23:43,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-10-15 03:23:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 363 transitions. [2019-10-15 03:23:43,319 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 363 transitions. Word has length 90 [2019-10-15 03:23:43,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:43,320 INFO L462 AbstractCegarLoop]: Abstraction has 321 states and 363 transitions. [2019-10-15 03:23:43,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-15 03:23:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 363 transitions. [2019-10-15 03:23:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-10-15 03:23:43,322 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:43,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:23:43,322 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:43,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:43,323 INFO L82 PathProgramCache]: Analyzing trace with hash -1861289177, now seen corresponding path program 1 times [2019-10-15 03:23:43,323 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:43,323 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547834721] [2019-10-15 03:23:43,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:43,324 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:43,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:43,492 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 03:23:43,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547834721] [2019-10-15 03:23:43,493 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:23:43,493 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:23:43,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870883055] [2019-10-15 03:23:43,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:23:43,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:23:43,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:23:43,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:23:43,495 INFO L87 Difference]: Start difference. First operand 321 states and 363 transitions. Second operand 9 states. [2019-10-15 03:23:44,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:23:44,319 INFO L93 Difference]: Finished difference Result 991 states and 1155 transitions. [2019-10-15 03:23:44,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:23:44,320 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2019-10-15 03:23:44,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:23:44,325 INFO L225 Difference]: With dead ends: 991 [2019-10-15 03:23:44,325 INFO L226 Difference]: Without dead ends: 752 [2019-10-15 03:23:44,326 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 03:23:44,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 752 states. [2019-10-15 03:23:44,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 752 to 655. [2019-10-15 03:23:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 655 states. [2019-10-15 03:23:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 747 transitions. [2019-10-15 03:23:44,371 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 747 transitions. Word has length 93 [2019-10-15 03:23:44,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:23:44,371 INFO L462 AbstractCegarLoop]: Abstraction has 655 states and 747 transitions. [2019-10-15 03:23:44,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:23:44,372 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 747 transitions. [2019-10-15 03:23:44,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-15 03:23:44,373 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:23:44,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:23:44,374 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:23:44,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:23:44,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1653320696, now seen corresponding path program 1 times [2019-10-15 03:23:44,375 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:23:44,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792180920] [2019-10-15 03:23:44,375 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:44,375 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:23:44,375 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:23:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:44,557 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 03:23:44,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792180920] [2019-10-15 03:23:44,557 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302630630] [2019-10-15 03:23:44,558 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 03:23:44,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:23:44,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 920 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 03:23:44,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:23:44,944 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 03:23:44,944 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:23:45,362 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 03:23:45,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1545141082] [2019-10-15 03:23:45,398 INFO L162 IcfgInterpreter]: Started Sifa with 112 locations of interest [2019-10-15 03:23:45,399 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:23:45,407 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:23:45,415 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:23:45,416 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:23:54,074 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:23:55,666 WARN L191 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:23:55,791 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:55,931 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:56,090 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:56,309 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:56,500 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:56,701 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:56,901 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:57,207 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:23:57,343 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:57,473 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:57,583 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:57,695 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:57,828 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:57,837 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:23:58,126 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-15 03:23:58,127 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:23:58,293 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:58,421 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:58,590 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:58,714 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:58,943 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:59,096 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:59,200 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:59,322 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:23:59,559 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 546 [2019-10-15 03:23:59,695 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:59,866 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:00,189 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:00,291 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:00,419 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:00,605 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:00,713 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:00,815 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:00,940 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:01,049 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:01,180 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:01,298 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:01,610 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:01,818 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:01,936 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:02,247 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:02,573 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:02,690 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:24:02,905 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,057 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,165 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,302 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,526 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:03,636 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,761 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,869 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:03,977 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:04,096 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:04,235 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:04,363 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:04,501 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:04,745 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:04,853 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:05,050 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:05,159 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:05,267 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:05,394 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:05,507 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:05,616 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:05,742 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:05,852 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:05,961 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:06,083 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:06,225 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:06,340 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:06,485 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:06,698 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-15 03:24:06,809 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:07,069 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:07,348 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:07,527 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:07,647 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:07,867 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:07,975 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:08,093 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:08,293 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:08,401 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:08,526 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:08,634 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:08,751 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:08,873 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:09,095 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:24:09,215 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:09,337 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:09,549 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:09,657 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:09,783 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:09,990 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:10,099 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:10,216 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:10,432 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:10,539 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:10,704 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:10,915 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 564 [2019-10-15 03:24:11,024 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:11,155 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:24:11,365 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:11,473 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:11,591 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:11,785 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:11,892 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,014 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,120 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,228 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,347 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,550 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:12,658 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,793 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:12,987 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:13,111 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:13,228 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:13,335 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:13,443 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:13,557 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:13,680 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:13,789 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:13,910 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:14,111 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:14,221 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:14,343 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:14,535 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:14,643 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:14,762 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:14,960 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 564 [2019-10-15 03:24:15,070 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:15,193 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:15,449 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:15,555 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:15,674 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:15,868 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:15,975 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:16,093 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:16,199 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:16,306 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:16,435 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:16,638 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 562 [2019-10-15 03:24:16,747 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 562 [2019-10-15 03:24:16,868 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:17,106 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:17,310 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:17,430 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:24:17,636 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:17,753 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:17,872 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560 [2019-10-15 03:24:18,065 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 560 [2019-10-15 03:24:18,173 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 560