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_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:22:44,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:22:44,589 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:22:44,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:22:44,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:22:44,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:22:44,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:22:44,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:22:44,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:22:44,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:22:44,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:22:44,624 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:22:44,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:22:44,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:22:44,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:22:44,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:22:44,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:22:44,637 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:22:44,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:22:44,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:22:44,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:22:44,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:22:44,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:22:44,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:22:44,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:22:44,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:22:44,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:22:44,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:22:44,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:22:44,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:22:44,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:22:44,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:22:44,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:22:44,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:22:44,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:22:44,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:22:44,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:22:44,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:22:44,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:22:44,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:22:44,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:22:44,662 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:22:44,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:22:44,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:22:44,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:22:44,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:22:44,698 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:22:44,699 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:22:44,699 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:22:44,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:22:44,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:22:44,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:22:44,700 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:22:44,700 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:22:44,700 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:22:44,700 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:22:44,700 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:22:44,701 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:22:44,701 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:22:44,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:22:44,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:22:44,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:22:44,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:22:44,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:44,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:22:44,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:22:44,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:22:44,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:22:44,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:22:44,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:22:44,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:22:44,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:22:45,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:22:45,005 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:22:45,007 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:22:45,007 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:22:45,008 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2019-10-15 03:22:45,070 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17245a863/5a014bf76b95403cbf2856421d1fb442/FLAGfb411c3dd [2019-10-15 03:22:45,571 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:22:45,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2019-10-15 03:22:45,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17245a863/5a014bf76b95403cbf2856421d1fb442/FLAGfb411c3dd [2019-10-15 03:22:45,891 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17245a863/5a014bf76b95403cbf2856421d1fb442 [2019-10-15 03:22:45,902 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:22:45,904 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:22:45,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:45,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:22:45,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:22:45,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:45" (1/1) ... [2019-10-15 03:22:45,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a48b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:45, skipping insertion in model container [2019-10-15 03:22:45,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:22:45" (1/1) ... [2019-10-15 03:22:45,922 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:22:45,974 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:22:46,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:46,513 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:22:46,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:22:46,664 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:22:46,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46 WrapperNode [2019-10-15 03:22:46,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:22:46,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:22:46,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:22:46,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:22:46,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... [2019-10-15 03:22:46,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:22:46,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:22:46,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:22:46,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:22:46,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:22:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:22:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:22:46,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:22:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:22:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:22:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:22:46,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:22:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 03:22:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 03:22:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 03:22:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 03:22:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 03:22:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 03:22:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 03:22:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 03:22:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 03:22:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 03:22:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 03:22:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:22:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:22:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:22:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:22:46,824 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 03:22:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 03:22:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:22:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 03:22:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:22:46,825 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 03:22:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 03:22:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 03:22:46,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 03:22:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 03:22:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 03:22:46,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 03:22:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:22:46,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:22:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:22:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:22:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:22:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:22:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:22:46,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 03:22:46,829 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 03:22:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 03:22:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 03:22:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 03:22:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 03:22:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-15 03:22:46,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-15 03:22:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 03:22:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 03:22:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 03:22:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 03:22:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:22:46,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:22:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:22:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:22:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:22:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:22:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:22:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:22:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:22:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:22:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:22:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:22:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:22:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:22:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:22:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:22:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:22:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 03:22:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 03:22:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 03:22:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:22:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 03:22:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:22:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-15 03:22:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 03:22:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:22:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 03:22:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:22:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:22:46,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:22:48,510 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:22:48,511 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 03:22:48,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:48 BoogieIcfgContainer [2019-10-15 03:22:48,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:22:48,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:22:48,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:22:48,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:22:48,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:22:45" (1/3) ... [2019-10-15 03:22:48,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c13e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:48, skipping insertion in model container [2019-10-15 03:22:48,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:22:46" (2/3) ... [2019-10-15 03:22:48,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c13e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:22:48, skipping insertion in model container [2019-10-15 03:22:48,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:22:48" (3/3) ... [2019-10-15 03:22:48,520 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2019-10-15 03:22:48,530 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:22:48,540 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:22:48,551 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:22:48,578 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:22:48,578 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:22:48,578 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:22:48,578 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:22:48,579 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:22:48,579 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:22:48,579 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:22:48,579 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:22:48,603 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states. [2019-10-15 03:22:48,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 03:22:48,613 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:48,615 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:22:48,617 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:48,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:48,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1430999269, now seen corresponding path program 1 times [2019-10-15 03:22:48,635 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:48,635 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712721941] [2019-10-15 03:22:48,635 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:48,636 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:48,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:49,025 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712721941] [2019-10-15 03:22:49,026 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:49,026 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:22:49,026 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521802738] [2019-10-15 03:22:49,031 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:22:49,031 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:49,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:22:49,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:49,049 INFO L87 Difference]: Start difference. First operand 141 states. Second operand 2 states. [2019-10-15 03:22:49,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:49,089 INFO L93 Difference]: Finished difference Result 212 states and 257 transitions. [2019-10-15 03:22:49,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:22:49,091 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 03:22:49,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:49,104 INFO L225 Difference]: With dead ends: 212 [2019-10-15 03:22:49,105 INFO L226 Difference]: Without dead ends: 108 [2019-10-15 03:22:49,109 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:22:49,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2019-10-15 03:22:49,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2019-10-15 03:22:49,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-10-15 03:22:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2019-10-15 03:22:49,163 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 52 [2019-10-15 03:22:49,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:49,164 INFO L462 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2019-10-15 03:22:49,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:22:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2019-10-15 03:22:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 03:22:49,168 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:49,169 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 03:22:49,169 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:49,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:49,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1813146696, now seen corresponding path program 1 times [2019-10-15 03:22:49,170 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:49,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916493671] [2019-10-15 03:22:49,171 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:49,171 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:49,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:49,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916493671] [2019-10-15 03:22:49,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:49,308 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:22:49,309 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34328111] [2019-10-15 03:22:49,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:22:49,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:49,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:22:49,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:22:49,321 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2019-10-15 03:22:49,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:49,366 INFO L93 Difference]: Finished difference Result 158 states and 181 transitions. [2019-10-15 03:22:49,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:22:49,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 03:22:49,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:49,372 INFO L225 Difference]: With dead ends: 158 [2019-10-15 03:22:49,372 INFO L226 Difference]: Without dead ends: 100 [2019-10-15 03:22:49,374 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 03:22:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-15 03:22:49,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2019-10-15 03:22:49,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-10-15 03:22:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2019-10-15 03:22:49,407 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2019-10-15 03:22:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:49,407 INFO L462 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2019-10-15 03:22:49,407 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:22:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2019-10-15 03:22:49,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 03:22:49,417 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:49,417 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 03:22:49,417 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:49,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:49,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1653695220, now seen corresponding path program 1 times [2019-10-15 03:22:49,420 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:49,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887902564] [2019-10-15 03:22:49,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:49,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:49,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:49,643 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887902564] [2019-10-15 03:22:49,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:49,644 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:49,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626668353] [2019-10-15 03:22:49,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:49,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:49,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:49,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:49,645 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 7 states. [2019-10-15 03:22:50,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:50,046 INFO L93 Difference]: Finished difference Result 300 states and 356 transitions. [2019-10-15 03:22:50,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:22:50,047 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-15 03:22:50,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:50,050 INFO L225 Difference]: With dead ends: 300 [2019-10-15 03:22:50,050 INFO L226 Difference]: Without dead ends: 225 [2019-10-15 03:22:50,051 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 03:22:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2019-10-15 03:22:50,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 203. [2019-10-15 03:22:50,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2019-10-15 03:22:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 238 transitions. [2019-10-15 03:22:50,079 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 238 transitions. Word has length 57 [2019-10-15 03:22:50,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:50,079 INFO L462 AbstractCegarLoop]: Abstraction has 203 states and 238 transitions. [2019-10-15 03:22:50,079 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 238 transitions. [2019-10-15 03:22:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 03:22:50,081 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:50,082 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 03:22:50,082 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:50,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:50,082 INFO L82 PathProgramCache]: Analyzing trace with hash -221113546, now seen corresponding path program 1 times [2019-10-15 03:22:50,083 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:50,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734049888] [2019-10-15 03:22:50,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:50,196 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 03:22:50,196 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734049888] [2019-10-15 03:22:50,197 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:50,197 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 03:22:50,197 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198848551] [2019-10-15 03:22:50,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 03:22:50,198 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:50,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 03:22:50,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:22:50,198 INFO L87 Difference]: Start difference. First operand 203 states and 238 transitions. Second operand 7 states. [2019-10-15 03:22:50,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:50,837 INFO L93 Difference]: Finished difference Result 527 states and 671 transitions. [2019-10-15 03:22:50,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:22:50,839 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 03:22:50,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:50,844 INFO L225 Difference]: With dead ends: 527 [2019-10-15 03:22:50,844 INFO L226 Difference]: Without dead ends: 349 [2019-10-15 03:22:50,846 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 03:22:50,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-15 03:22:50,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 304. [2019-10-15 03:22:50,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2019-10-15 03:22:50,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 358 transitions. [2019-10-15 03:22:50,906 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 358 transitions. Word has length 61 [2019-10-15 03:22:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:50,907 INFO L462 AbstractCegarLoop]: Abstraction has 304 states and 358 transitions. [2019-10-15 03:22:50,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 03:22:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 358 transitions. [2019-10-15 03:22:50,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-10-15 03:22:50,909 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:50,909 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] [2019-10-15 03:22:50,909 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:50,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:50,910 INFO L82 PathProgramCache]: Analyzing trace with hash -100684817, now seen corresponding path program 1 times [2019-10-15 03:22:50,910 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:50,910 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667611378] [2019-10-15 03:22:50,910 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,911 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:50,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:51,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-15 03:22:51,160 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667611378] [2019-10-15 03:22:51,160 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:51,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-15 03:22:51,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876373875] [2019-10-15 03:22:51,161 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-15 03:22:51,161 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:51,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-15 03:22:51,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:22:51,162 INFO L87 Difference]: Start difference. First operand 304 states and 358 transitions. Second operand 12 states. [2019-10-15 03:22:52,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:52,082 INFO L93 Difference]: Finished difference Result 967 states and 1161 transitions. [2019-10-15 03:22:52,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 03:22:52,082 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2019-10-15 03:22:52,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:52,088 INFO L225 Difference]: With dead ends: 967 [2019-10-15 03:22:52,088 INFO L226 Difference]: Without dead ends: 688 [2019-10-15 03:22:52,090 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2019-10-15 03:22:52,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2019-10-15 03:22:52,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 671. [2019-10-15 03:22:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 671 states. [2019-10-15 03:22:52,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 798 transitions. [2019-10-15 03:22:52,153 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 798 transitions. Word has length 74 [2019-10-15 03:22:52,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:52,154 INFO L462 AbstractCegarLoop]: Abstraction has 671 states and 798 transitions. [2019-10-15 03:22:52,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-15 03:22:52,154 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 798 transitions. [2019-10-15 03:22:52,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-15 03:22:52,157 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:52,157 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:22:52,157 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:52,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:52,158 INFO L82 PathProgramCache]: Analyzing trace with hash -1284037466, now seen corresponding path program 1 times [2019-10-15 03:22:52,158 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:52,158 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784396757] [2019-10-15 03:22:52,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,158 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:52,159 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:52,323 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 03:22:52,323 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784396757] [2019-10-15 03:22:52,324 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:22:52,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 03:22:52,325 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994326558] [2019-10-15 03:22:52,325 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 03:22:52,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:22:52,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 03:22:52,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-15 03:22:52,326 INFO L87 Difference]: Start difference. First operand 671 states and 798 transitions. Second operand 9 states. [2019-10-15 03:22:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:22:53,219 INFO L93 Difference]: Finished difference Result 2138 states and 2619 transitions. [2019-10-15 03:22:53,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 03:22:53,220 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2019-10-15 03:22:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:22:53,231 INFO L225 Difference]: With dead ends: 2138 [2019-10-15 03:22:53,231 INFO L226 Difference]: Without dead ends: 1644 [2019-10-15 03:22:53,233 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 03:22:53,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2019-10-15 03:22:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1391. [2019-10-15 03:22:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1391 states. [2019-10-15 03:22:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1677 transitions. [2019-10-15 03:22:53,341 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1677 transitions. Word has length 77 [2019-10-15 03:22:53,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:22:53,342 INFO L462 AbstractCegarLoop]: Abstraction has 1391 states and 1677 transitions. [2019-10-15 03:22:53,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 03:22:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1677 transitions. [2019-10-15 03:22:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-15 03:22:53,346 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:22:53,346 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] [2019-10-15 03:22:53,346 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:22:53,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:22:53,347 INFO L82 PathProgramCache]: Analyzing trace with hash -495252672, now seen corresponding path program 1 times [2019-10-15 03:22:53,347 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:22:53,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068189494] [2019-10-15 03:22:53,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:53,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:22:53,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:22:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:22:53,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068189494] [2019-10-15 03:22:53,503 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475862344] [2019-10-15 03:22:53,503 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 03:22:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:22:53,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 03:22:53,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:22:53,956 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 03:22:53,957 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:22:54,332 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 03:22:54,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [750719576] [2019-10-15 03:22:54,367 INFO L162 IcfgInterpreter]: Started Sifa with 86 locations of interest [2019-10-15 03:22:54,367 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:22:54,374 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:22:54,382 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:22:54,382 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-15 03:23:02,911 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-15 03:23:04,604 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-10-15 03:23:04,748 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:04,876 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:05,023 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 474 [2019-10-15 03:23:05,299 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:05,535 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:05,751 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:06,038 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:06,501 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 544 [2019-10-15 03:23:06,698 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:06,898 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,027 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,147 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,297 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2019-10-15 03:23:07,307 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 187 for LOIs [2019-10-15 03:23:07,586 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2019-10-15 03:23:07,588 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 546 for LOIs [2019-10-15 03:23:07,709 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:07,815 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,056 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:08,179 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,298 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,438 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:08,561 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,700 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:08,826 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:09,048 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 546 [2019-10-15 03:23:09,180 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:09,377 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:09,497 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:09,718 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:09,820 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:09,923 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,061 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:10,169 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,464 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:10,664 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:10,816 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:11,018 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:11,139 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:11,452 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:11,563 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:11,783 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,102 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,203 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:12,342 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 546 [2019-10-15 03:23:12,463 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,632 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,743 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:12,866 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,074 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:13,200 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,333 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,446 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,559 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,679 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:13,820 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:13,934 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:14,070 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:14,325 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:14,439 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:14,570 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:14,775 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:14,889 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:15,016 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:15,131 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:15,247 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:15,374 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:15,487 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:15,600 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:15,816 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:15,977 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:16,090 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:16,216 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:16,443 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:16,557 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:16,822 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:17,052 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:17,172 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:17,295 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:17,516 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:17,631 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,755 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:17,955 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:18,066 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:18,188 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:18,300 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:18,412 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:18,535 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:18,769 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 568 [2019-10-15 03:23:18,884 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,013 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,207 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:19,319 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:19,451 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:19,644 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:19,756 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:19,881 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:20,090 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:20,206 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:20,357 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:20,561 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:20,674 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:20,807 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:21,045 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:21,156 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,282 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,482 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:21,594 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,719 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,829 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:21,940 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,061 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,280 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:22,391 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,514 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,714 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 564 [2019-10-15 03:23:22,826 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:22,951 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,062 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,174 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,307 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 564 [2019-10-15 03:23:23,447 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,562 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,692 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:23,951 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,090 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,220 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,334 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,447 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,572 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:24,778 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 566 [2019-10-15 03:23:24,891 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2019-10-15 03:23:25,017 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:25,220 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:25,333 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2019-10-15 03:23:25,459 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-15 03:23:25,675 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 572 DAG size of output: 568 [2019-10-15 03:23:25,789 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 568