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_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:22:47,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:22:47,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:22:47,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:22:47,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:22:47,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:22:47,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:22:47,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:22:47,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:22:47,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:22:47,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:22:47,503 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:22:47,503 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:22:47,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:22:47,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:22:47,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:22:47,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:22:47,508 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:22:47,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:22:47,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:22:47,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:22:47,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:22:47,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:22:47,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:22:47,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:22:47,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:22:47,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:22:47,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:22:47,520 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:22:47,521 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:22:47,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:22:47,522 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:22:47,523 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:22:47,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:22:47,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:22:47,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:22:47,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:22:47,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:22:47,528 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:22:47,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:22:47,529 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:22:47,530 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 03:22:47,558 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:22:47,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:22:47,560 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:22:47,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:22:47,561 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:22:47,561 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:22:47,561 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:22:47,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:22:47,562 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:22:47,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:22:47,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:22:47,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:22:47,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:22:47,564 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:22:47,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:22:47,565 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:22:47,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:22:47,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:22:47,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:22:47,565 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:22:47,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:22:47,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:47,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:22:47,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:22:47,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:22:47,567 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:22:47,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:22:47,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:22:47,567 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 03:22:47,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:22:47,862 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:22:47,865 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:22:47,867 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:22:47,867 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:22:47,868 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-10-15 03:22:47,947 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df3c3776/0727ad404bfd43589907feaf5359a001/FLAG71c50c013 [2019-10-15 03:22:48,523 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:22:48,524 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product40.cil.c [2019-10-15 03:22:48,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df3c3776/0727ad404bfd43589907feaf5359a001/FLAG71c50c013 [2019-10-15 03:22:48,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df3c3776/0727ad404bfd43589907feaf5359a001 [2019-10-15 03:22:48,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:22:48,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:22:48,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:48,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:22:48,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:22:48,819 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:48" (1/1) ... [2019-10-15 03:22:48,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120087b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:48, skipping insertion in model container [2019-10-15 03:22:48,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:48" (1/1) ... [2019-10-15 03:22:48,828 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:22:48,876 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:22:49,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:49,365 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:22:49,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:49,505 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:22:49,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49 WrapperNode [2019-10-15 03:22:49,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:49,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:22:49,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:22:49,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:22:49,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,539 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (1/1) ... [2019-10-15 03:22:49,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:22:49,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:22:49,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:22:49,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:22:49,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (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 03:22:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:22:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:22:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:22:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:22:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:22:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:22:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:22:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:22:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:22:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:22:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:22:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:22:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 03:22:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:22:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:22:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:22:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:22:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:22:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:22:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:22:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:22:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:22:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:22:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:22:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:22:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:22:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:22:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:22:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:22:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:22:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:22:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:22:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:22:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:22:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:22:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:22:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:22:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:22:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:22:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:22:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:22:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:22:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:22:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:22:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:22:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:22:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:22:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 03:22:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:22:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:22:49,701 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:22:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:22:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 03:22:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:22:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:22:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:22:49,702 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:22:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:22:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:22:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:22:49,703 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:22:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:22:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:22:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:22:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:22:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:22:49,706 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:22:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:22:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:22:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:22:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:22:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:22:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:22:49,709 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:22:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:22:49,710 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:22:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:22:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:22:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:22:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:22:49,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:22:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:22:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:22:49,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:22:51,498 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:22:51,498 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:22:51,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:51 BoogieIcfgContainer [2019-10-15 03:22:51,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:22:51,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:22:51,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:22:51,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:22:51,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:22:48" (1/3) ... [2019-10-15 03:22:51,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4645a9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:51, skipping insertion in model container [2019-10-15 03:22:51,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:49" (2/3) ... [2019-10-15 03:22:51,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4645a9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:51, skipping insertion in model container [2019-10-15 03:22:51,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:51" (3/3) ... [2019-10-15 03:22:51,512 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product40.cil.c [2019-10-15 03:22:51,523 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:22:51,533 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:22:51,546 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:22:51,585 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:22:51,586 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:22:51,586 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:22:51,586 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:22:51,588 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:22:51,588 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:22:51,589 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:22:51,589 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:22:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2019-10-15 03:22:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:22:51,634 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:51,635 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 03:22:51,639 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:51,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:51,647 INFO L82 PathProgramCache]: Analyzing trace with hash 125856926, now seen corresponding path program 1 times [2019-10-15 03:22:51,658 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:51,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073865761] [2019-10-15 03:22:51,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:51,659 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:51,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:52,076 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 03:22:52,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073865761] [2019-10-15 03:22:52,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:52,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:22:52,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649255067] [2019-10-15 03:22:52,084 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:22:52,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:52,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:22:52,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:52,103 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2019-10-15 03:22:52,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:52,148 INFO L93 Difference]: Finished difference Result 244 states and 297 transitions. [2019-10-15 03:22:52,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:22:52,150 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:22:52,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:52,167 INFO L225 Difference]: With dead ends: 244 [2019-10-15 03:22:52,167 INFO L226 Difference]: Without dead ends: 124 [2019-10-15 03:22:52,172 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 03:22:52,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-15 03:22:52,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-10-15 03:22:52,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-10-15 03:22:52,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-10-15 03:22:52,239 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2019-10-15 03:22:52,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:52,240 INFO L462 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-10-15 03:22:52,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:22:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-10-15 03:22:52,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:22:52,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:52,245 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 03:22:52,246 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:52,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1363929903, now seen corresponding path program 1 times [2019-10-15 03:22:52,247 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:52,247 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13355650] [2019-10-15 03:22:52,248 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,248 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:52,363 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 03:22:52,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13355650] [2019-10-15 03:22:52,364 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:52,364 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:22:52,365 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680316096] [2019-10-15 03:22:52,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:22:52,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:52,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:22:52,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:22:52,368 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 3 states. [2019-10-15 03:22:52,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:52,391 INFO L93 Difference]: Finished difference Result 192 states and 222 transitions. [2019-10-15 03:22:52,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:22:52,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 03:22:52,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:52,396 INFO L225 Difference]: With dead ends: 192 [2019-10-15 03:22:52,396 INFO L226 Difference]: Without dead ends: 116 [2019-10-15 03:22:52,400 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 03:22:52,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-15 03:22:52,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2019-10-15 03:22:52,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-15 03:22:52,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 133 transitions. [2019-10-15 03:22:52,426 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 133 transitions. Word has length 53 [2019-10-15 03:22:52,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:52,427 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 133 transitions. [2019-10-15 03:22:52,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:22:52,427 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 133 transitions. [2019-10-15 03:22:52,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 03:22:52,433 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:52,433 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] [2019-10-15 03:22:52,433 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:52,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:52,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1968233806, now seen corresponding path program 1 times [2019-10-15 03:22:52,434 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:52,434 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491953879] [2019-10-15 03:22:52,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,435 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,435 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:52,691 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 03:22:52,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491953879] [2019-10-15 03:22:52,692 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:52,692 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:52,692 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977335313] [2019-10-15 03:22:52,693 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:52,693 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:52,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:52,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:52,694 INFO L87 Difference]: Start difference. First operand 116 states and 133 transitions. Second operand 7 states. [2019-10-15 03:22:53,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:53,225 INFO L93 Difference]: Finished difference Result 348 states and 416 transitions. [2019-10-15 03:22:53,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:22:53,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 03:22:53,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:53,229 INFO L225 Difference]: With dead ends: 348 [2019-10-15 03:22:53,230 INFO L226 Difference]: Without dead ends: 257 [2019-10-15 03:22:53,231 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:22:53,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2019-10-15 03:22:53,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 245. [2019-10-15 03:22:53,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2019-10-15 03:22:53,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 292 transitions. [2019-10-15 03:22:53,280 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 292 transitions. Word has length 57 [2019-10-15 03:22:53,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:53,280 INFO L462 AbstractCegarLoop]: Abstraction has 245 states and 292 transitions. [2019-10-15 03:22:53,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 292 transitions. [2019-10-15 03:22:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 03:22:53,283 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:53,283 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] [2019-10-15 03:22:53,283 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:53,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:53,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2070607786, now seen corresponding path program 1 times [2019-10-15 03:22:53,284 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:53,284 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031017294] [2019-10-15 03:22:53,284 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:53,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:53,285 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:53,398 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 03:22:53,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031017294] [2019-10-15 03:22:53,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:53,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:53,404 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53243372] [2019-10-15 03:22:53,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:53,405 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:53,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:53,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:53,406 INFO L87 Difference]: Start difference. First operand 245 states and 292 transitions. Second operand 7 states. [2019-10-15 03:22:54,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:54,080 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2019-10-15 03:22:54,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:22:54,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 03:22:54,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:54,085 INFO L225 Difference]: With dead ends: 634 [2019-10-15 03:22:54,085 INFO L226 Difference]: Without dead ends: 414 [2019-10-15 03:22:54,088 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 03:22:54,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-15 03:22:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 363. [2019-10-15 03:22:54,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-10-15 03:22:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 432 transitions. [2019-10-15 03:22:54,138 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 432 transitions. Word has length 61 [2019-10-15 03:22:54,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:54,138 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 432 transitions. [2019-10-15 03:22:54,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 432 transitions. [2019-10-15 03:22:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-15 03:22:54,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:54,141 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] [2019-10-15 03:22:54,141 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:54,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:54,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1882400771, now seen corresponding path program 1 times [2019-10-15 03:22:54,142 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:54,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731764254] [2019-10-15 03:22:54,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:54,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:54,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:54,364 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 03:22:54,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731764254] [2019-10-15 03:22:54,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:54,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-15 03:22:54,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263264008] [2019-10-15 03:22:54,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-15 03:22:54,367 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:54,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-15 03:22:54,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:22:54,367 INFO L87 Difference]: Start difference. First operand 363 states and 432 transitions. Second operand 12 states. [2019-10-15 03:22:55,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:55,343 INFO L93 Difference]: Finished difference Result 1110 states and 1343 transitions. [2019-10-15 03:22:55,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 03:22:55,344 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 79 [2019-10-15 03:22:55,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:55,350 INFO L225 Difference]: With dead ends: 1110 [2019-10-15 03:22:55,350 INFO L226 Difference]: Without dead ends: 772 [2019-10-15 03:22:55,352 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 03:22:55,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2019-10-15 03:22:55,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 750. [2019-10-15 03:22:55,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2019-10-15 03:22:55,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 896 transitions. [2019-10-15 03:22:55,415 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 896 transitions. Word has length 79 [2019-10-15 03:22:55,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:55,416 INFO L462 AbstractCegarLoop]: Abstraction has 750 states and 896 transitions. [2019-10-15 03:22:55,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-15 03:22:55,416 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 896 transitions. [2019-10-15 03:22:55,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-15 03:22:55,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:55,419 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] [2019-10-15 03:22:55,419 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:55,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:55,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1454386472, now seen corresponding path program 1 times [2019-10-15 03:22:55,420 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:55,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136796755] [2019-10-15 03:22:55,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:55,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:55,420 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:55,638 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 03:22:55,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136796755] [2019-10-15 03:22:55,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:55,639 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:22:55,639 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158792833] [2019-10-15 03:22:55,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:22:55,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:55,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:22:55,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:22:55,640 INFO L87 Difference]: Start difference. First operand 750 states and 896 transitions. Second operand 9 states. [2019-10-15 03:22:56,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:56,567 INFO L93 Difference]: Finished difference Result 2384 states and 2935 transitions. [2019-10-15 03:22:56,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:22:56,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2019-10-15 03:22:56,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:56,586 INFO L225 Difference]: With dead ends: 2384 [2019-10-15 03:22:56,586 INFO L226 Difference]: Without dead ends: 1821 [2019-10-15 03:22:56,589 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 03:22:56,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1821 states. [2019-10-15 03:22:56,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1821 to 1541. [2019-10-15 03:22:56,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1541 states. [2019-10-15 03:22:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1541 states and 1857 transitions. [2019-10-15 03:22:56,711 INFO L78 Accepts]: Start accepts. Automaton has 1541 states and 1857 transitions. Word has length 82 [2019-10-15 03:22:56,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:56,712 INFO L462 AbstractCegarLoop]: Abstraction has 1541 states and 1857 transitions. [2019-10-15 03:22:56,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:22:56,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 1857 transitions. [2019-10-15 03:22:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:22:56,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:56,722 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:22:56,723 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:56,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:56,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1008011137, now seen corresponding path program 1 times [2019-10-15 03:22:56,723 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:56,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544795174] [2019-10-15 03:22:56,724 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:56,724 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:56,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:22:56,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544795174] [2019-10-15 03:22:56,876 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532315154] [2019-10-15 03:22:56,876 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 03:22:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:57,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 912 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 03:22:57,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:22:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:22:57,265 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:22:57,646 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-15 03:22:57,647 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1162430391] [2019-10-15 03:22:57,687 INFO L162 IcfgInterpreter]: Started Sifa with 88 locations of interest [2019-10-15 03:22:57,687 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:22:57,695 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:22:57,710 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:22:57,710 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:23:07,150 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:23:08,728 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:23:08,870 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:09,030 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:09,192 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:09,529 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:09,739 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:09,913 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:10,126 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:10,485 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:23:10,685 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:10,824 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:10,951 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:11,055 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:11,193 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:11,206 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:23:11,448 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:23:11,561 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:11,675 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:11,852 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,010 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:12,259 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,380 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:12,493 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:12,621 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,843 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-15 03:23:12,965 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:13,143 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,470 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,836 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,944 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:14,163 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:14,523 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:14,842 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:14,948 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:15,166 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:15,279 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:15,498 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:15,813 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:15,916 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:16,048 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:16,169 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,302 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,414 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,537 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:16,741 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:16,868 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,005 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,118 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,230 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,350 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,498 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:17,613 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:17,753 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:18,003 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:18,118 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:18,246 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:18,451 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:18,566 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:18,689 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:18,810 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:18,923 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:19,050 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,170 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,283 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,411 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:19,542 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,656 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,804 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:20,029 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:20,154 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:20,285 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:20,399 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:20,514 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:20,638 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:20,873 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:20,990 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,189 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,391 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:21,504 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,766 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,970 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,082 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,222 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,471 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:22,586 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:22,714 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:22,957 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:23,072 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,206 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,324 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,439 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,564 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,767 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:23,880 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:24,005 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,207 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:24,326 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,470 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:24,687 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:24,798 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:24,924 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,130 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:25,247 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,371 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,482 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,596 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,724 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:25,943 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:26,054 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,176 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,374 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:26,484 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,605 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,730 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,840 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:26,960 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:27,173 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:27,284 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:27,409 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:27,771 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:27,881 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:28,007 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:28,206 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 568 DAG size of output: 566 [2019-10-15 03:23:28,317 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:28,439 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:28,640 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:28,752 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:28,877 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:29,076 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:29,196 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:29,322 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:29,532 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:29,644 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 568