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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:06,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:06,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:06,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:06,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:06,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:06,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:06,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:06,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:06,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:06,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:06,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:06,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:06,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:06,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:06,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:06,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:06,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:06,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:06,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:06,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:06,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:06,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:06,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:06,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:06,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:06,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:06,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:06,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:06,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:06,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:06,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:06,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:06,711 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:06,712 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:06,712 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:06,713 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:06,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:06,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:06,714 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:06,715 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:06,716 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 01:19:06,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:06,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:06,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:06,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:06,732 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:06,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:06,733 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:06,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:06,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:06,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:06,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:06,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:06,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:06,734 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:06,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:06,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:06,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:06,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:06,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:06,735 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:06,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:06,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:06,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:06,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:06,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:06,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:06,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:06,737 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:06,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:19:07,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:07,058 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:07,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:07,063 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:07,064 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:07,064 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2019-10-15 01:19:07,143 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3539c3996/c1cf1c1593d544d09072eb6b21cd64da/FLAG11aeec013 [2019-10-15 01:19:07,743 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:07,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product59.cil.c [2019-10-15 01:19:07,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3539c3996/c1cf1c1593d544d09072eb6b21cd64da/FLAG11aeec013 [2019-10-15 01:19:07,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3539c3996/c1cf1c1593d544d09072eb6b21cd64da [2019-10-15 01:19:08,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:08,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:08,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:08,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:08,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:08,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:08,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@437675f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08, skipping insertion in model container [2019-10-15 01:19:08,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:07" (1/1) ... [2019-10-15 01:19:08,024 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:08,069 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:08,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:08,509 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:08,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:08,684 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:08,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08 WrapperNode [2019-10-15 01:19:08,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:08,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:08,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:08,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:08,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (1/1) ... [2019-10-15 01:19:08,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:08,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:08,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:08,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:08,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (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 01:19:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:08,871 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:08,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-15 01:19:08,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:08,874 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:08,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:08,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:08,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-15 01:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-15 01:19:08,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:08,880 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:08,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:08,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:08,884 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-15 01:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:08,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-15 01:19:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:08,886 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:08,887 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-15 01:19:08,888 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-15 01:19:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-15 01:19:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:08,889 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:08,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:08,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:08,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:08,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:08,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:08,895 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:08,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:08,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:10,159 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:10,160 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:10,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:10 BoogieIcfgContainer [2019-10-15 01:19:10,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:10,163 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:10,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:10,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:10,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:07" (1/3) ... [2019-10-15 01:19:10,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9ea881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:10, skipping insertion in model container [2019-10-15 01:19:10,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:08" (2/3) ... [2019-10-15 01:19:10,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d9ea881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:10, skipping insertion in model container [2019-10-15 01:19:10,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:10" (3/3) ... [2019-10-15 01:19:10,173 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2019-10-15 01:19:10,184 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:10,194 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:10,207 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:10,237 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:10,238 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:10,238 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:10,238 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:10,239 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:10,239 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:10,240 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:10,240 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-15 01:19:10,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:10,288 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,290 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:10,293 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1514827661, now seen corresponding path program 1 times [2019-10-15 01:19:10,312 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,313 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265146436] [2019-10-15 01:19:10,313 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,314 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:10,692 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265146436] [2019-10-15 01:19:10,693 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:10,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228493239] [2019-10-15 01:19:10,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:10,704 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:10,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:10,734 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-15 01:19:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,787 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2019-10-15 01:19:10,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:10,789 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:10,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,803 INFO L225 Difference]: With dead ends: 292 [2019-10-15 01:19:10,803 INFO L226 Difference]: Without dead ends: 146 [2019-10-15 01:19:10,808 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 01:19:10,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-15 01:19:10,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-15 01:19:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-15 01:19:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2019-10-15 01:19:10,865 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2019-10-15 01:19:10,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,866 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2019-10-15 01:19:10,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2019-10-15 01:19:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:10,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,870 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:10,871 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,871 INFO L82 PathProgramCache]: Analyzing trace with hash -932487912, now seen corresponding path program 1 times [2019-10-15 01:19:10,872 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,872 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984266743] [2019-10-15 01:19:10,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,872 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:10,993 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984266743] [2019-10-15 01:19:10,994 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,994 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:10,994 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565391061] [2019-10-15 01:19:10,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:10,997 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:10,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:10,998 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2019-10-15 01:19:11,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,023 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2019-10-15 01:19:11,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:11,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:11,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,027 INFO L225 Difference]: With dead ends: 235 [2019-10-15 01:19:11,027 INFO L226 Difference]: Without dead ends: 137 [2019-10-15 01:19:11,029 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 01:19:11,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-15 01:19:11,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-15 01:19:11,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-15 01:19:11,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2019-10-15 01:19:11,046 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2019-10-15 01:19:11,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,046 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2019-10-15 01:19:11,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:11,046 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2019-10-15 01:19:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:11,049 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,049 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:11,049 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,050 INFO L82 PathProgramCache]: Analyzing trace with hash -896226788, now seen corresponding path program 1 times [2019-10-15 01:19:11,050 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,050 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919940853] [2019-10-15 01:19:11,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,051 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:11,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919940853] [2019-10-15 01:19:11,240 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:11,241 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:11,241 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873913509] [2019-10-15 01:19:11,242 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:11,242 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:11,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:11,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:11,244 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2019-10-15 01:19:11,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,822 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2019-10-15 01:19:11,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:11,823 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:19:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,832 INFO L225 Difference]: With dead ends: 413 [2019-10-15 01:19:11,832 INFO L226 Difference]: Without dead ends: 300 [2019-10-15 01:19:11,839 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 01:19:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-15 01:19:11,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2019-10-15 01:19:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-10-15 01:19:11,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2019-10-15 01:19:11,885 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2019-10-15 01:19:11,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,885 INFO L462 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2019-10-15 01:19:11,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2019-10-15 01:19:11,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-15 01:19:11,889 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,889 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:11,889 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,890 INFO L82 PathProgramCache]: Analyzing trace with hash 278011294, now seen corresponding path program 1 times [2019-10-15 01:19:11,890 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,890 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339567235] [2019-10-15 01:19:11,891 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,891 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:12,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339567235] [2019-10-15 01:19:12,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:12,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904959360] [2019-10-15 01:19:12,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:12,053 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:12,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:12,054 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2019-10-15 01:19:12,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:12,330 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2019-10-15 01:19:12,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:12,331 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2019-10-15 01:19:12,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:12,346 INFO L225 Difference]: With dead ends: 813 [2019-10-15 01:19:12,348 INFO L226 Difference]: Without dead ends: 545 [2019-10-15 01:19:12,353 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:12,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-10-15 01:19:12,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2019-10-15 01:19:12,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2019-10-15 01:19:12,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2019-10-15 01:19:12,448 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2019-10-15 01:19:12,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:12,449 INFO L462 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2019-10-15 01:19:12,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2019-10-15 01:19:12,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-10-15 01:19:12,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:12,460 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:12,461 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:12,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:12,461 INFO L82 PathProgramCache]: Analyzing trace with hash 1238143586, now seen corresponding path program 1 times [2019-10-15 01:19:12,461 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:12,462 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168906889] [2019-10-15 01:19:12,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,462 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:12,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:12,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:12,630 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168906889] [2019-10-15 01:19:12,632 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:12,632 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:12,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506107311] [2019-10-15 01:19:12,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:12,633 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:12,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:12,634 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2019-10-15 01:19:13,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,385 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2019-10-15 01:19:13,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:13,386 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2019-10-15 01:19:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,397 INFO L225 Difference]: With dead ends: 1380 [2019-10-15 01:19:13,398 INFO L226 Difference]: Without dead ends: 865 [2019-10-15 01:19:13,401 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2019-10-15 01:19:13,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2019-10-15 01:19:13,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2019-10-15 01:19:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2019-10-15 01:19:13,475 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2019-10-15 01:19:13,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,476 INFO L462 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2019-10-15 01:19:13,476 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:13,476 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2019-10-15 01:19:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:13,480 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,481 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:13,481 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,481 INFO L82 PathProgramCache]: Analyzing trace with hash 726814707, now seen corresponding path program 1 times [2019-10-15 01:19:13,482 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490904596] [2019-10-15 01:19:13,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:13,613 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490904596] [2019-10-15 01:19:13,613 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:13,614 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:13,614 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818199052] [2019-10-15 01:19:13,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:13,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:13,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:13,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:13,616 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2019-10-15 01:19:13,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,687 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2019-10-15 01:19:13,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:13,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-15 01:19:13,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,694 INFO L225 Difference]: With dead ends: 1542 [2019-10-15 01:19:13,695 INFO L226 Difference]: Without dead ends: 797 [2019-10-15 01:19:13,698 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:13,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-10-15 01:19:13,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2019-10-15 01:19:13,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-10-15 01:19:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2019-10-15 01:19:13,775 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2019-10-15 01:19:13,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,776 INFO L462 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2019-10-15 01:19:13,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:13,776 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2019-10-15 01:19:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:13,784 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,784 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:13,784 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1620301045, now seen corresponding path program 1 times [2019-10-15 01:19:13,785 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637714914] [2019-10-15 01:19:13,785 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,786 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:13,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637714914] [2019-10-15 01:19:13,886 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:13,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:13,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420942905] [2019-10-15 01:19:13,887 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:13,887 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:13,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:13,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:13,888 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2019-10-15 01:19:13,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,957 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2019-10-15 01:19:13,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:13,957 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-15 01:19:13,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,964 INFO L225 Difference]: With dead ends: 1582 [2019-10-15 01:19:13,965 INFO L226 Difference]: Without dead ends: 817 [2019-10-15 01:19:13,968 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:13,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2019-10-15 01:19:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2019-10-15 01:19:14,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2019-10-15 01:19:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2019-10-15 01:19:14,026 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2019-10-15 01:19:14,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:14,027 INFO L462 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2019-10-15 01:19:14,027 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:14,027 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2019-10-15 01:19:14,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:14,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,030 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:14,030 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:14,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:14,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1612541686, now seen corresponding path program 1 times [2019-10-15 01:19:14,031 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:14,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331664260] [2019-10-15 01:19:14,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:14,104 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331664260] [2019-10-15 01:19:14,105 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:14,105 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:14,105 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324271580] [2019-10-15 01:19:14,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:14,106 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:14,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:14,107 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2019-10-15 01:19:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:14,438 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2019-10-15 01:19:14,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:14,438 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-15 01:19:14,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:14,450 INFO L225 Difference]: With dead ends: 2547 [2019-10-15 01:19:14,450 INFO L226 Difference]: Without dead ends: 1766 [2019-10-15 01:19:14,453 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2019-10-15 01:19:14,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2019-10-15 01:19:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2019-10-15 01:19:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2019-10-15 01:19:14,599 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2019-10-15 01:19:14,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:14,600 INFO L462 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2019-10-15 01:19:14,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2019-10-15 01:19:14,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:19:14,604 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,605 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:14,605 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:14,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:14,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1468895920, now seen corresponding path program 1 times [2019-10-15 01:19:14,606 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:14,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334214128] [2019-10-15 01:19:14,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:14,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:14,747 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334214128] [2019-10-15 01:19:14,748 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572795446] [2019-10-15 01:19:14,748 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 01:19:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:14,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:14,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:15,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:19:15,227 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:19:16,257 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:16,257 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:16,258 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863544192] [2019-10-15 01:19:16,258 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:16,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:16,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:16,260 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 8 states. [2019-10-15 01:19:16,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,881 INFO L93 Difference]: Finished difference Result 3420 states and 4234 transitions. [2019-10-15 01:19:16,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:16,881 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-15 01:19:16,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,892 INFO L225 Difference]: With dead ends: 3420 [2019-10-15 01:19:16,893 INFO L226 Difference]: Without dead ends: 1709 [2019-10-15 01:19:16,899 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:16,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2019-10-15 01:19:17,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1709. [2019-10-15 01:19:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2019-10-15 01:19:17,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2063 transitions. [2019-10-15 01:19:17,053 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2063 transitions. Word has length 102 [2019-10-15 01:19:17,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:17,057 INFO L462 AbstractCegarLoop]: Abstraction has 1709 states and 2063 transitions. [2019-10-15 01:19:17,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2063 transitions. [2019-10-15 01:19:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 01:19:17,067 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:17,068 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:17,273 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:17,274 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:17,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:17,274 INFO L82 PathProgramCache]: Analyzing trace with hash 844933528, now seen corresponding path program 1 times [2019-10-15 01:19:17,275 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:17,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802851927] [2019-10-15 01:19:17,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:17,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,539 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:19:17,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802851927] [2019-10-15 01:19:17,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023768300] [2019-10-15 01:19:17,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:17,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-15 01:19:17,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:17,918 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:19:17,919 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:18,025 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:19:18,048 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:19:18,050 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-15 01:19:18,314 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-15 01:19:18,314 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:18,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-10-15 01:19:18,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361932634] [2019-10-15 01:19:18,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:19:18,315 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:18,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:19:18,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-10-15 01:19:18,316 INFO L87 Difference]: Start difference. First operand 1709 states and 2063 transitions. Second operand 9 states. [2019-10-15 01:19:19,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:19,938 INFO L93 Difference]: Finished difference Result 4851 states and 6679 transitions. [2019-10-15 01:19:19,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-15 01:19:19,939 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-15 01:19:19,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:19,976 INFO L225 Difference]: With dead ends: 4851 [2019-10-15 01:19:19,976 INFO L226 Difference]: Without dead ends: 3482 [2019-10-15 01:19:19,983 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 306 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-10-15 01:19:19,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2019-10-15 01:19:20,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 2769. [2019-10-15 01:19:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2019-10-15 01:19:20,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3441 transitions. [2019-10-15 01:19:20,221 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3441 transitions. Word has length 155 [2019-10-15 01:19:20,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:20,222 INFO L462 AbstractCegarLoop]: Abstraction has 2769 states and 3441 transitions. [2019-10-15 01:19:20,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:19:20,222 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3441 transitions. [2019-10-15 01:19:20,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 01:19:20,231 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:20,231 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:20,438 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:20,438 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:20,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:20,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1119693142, now seen corresponding path program 1 times [2019-10-15 01:19:20,439 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:20,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713955001] [2019-10-15 01:19:20,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:20,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:20,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:20,576 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713955001] [2019-10-15 01:19:20,577 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:20,577 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:19:20,577 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736451812] [2019-10-15 01:19:20,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:19:20,578 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:20,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:19:20,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:20,578 INFO L87 Difference]: Start difference. First operand 2769 states and 3441 transitions. Second operand 9 states. [2019-10-15 01:19:20,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:20,667 INFO L93 Difference]: Finished difference Result 3741 states and 4621 transitions. [2019-10-15 01:19:20,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:19:20,667 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2019-10-15 01:19:20,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:20,669 INFO L225 Difference]: With dead ends: 3741 [2019-10-15 01:19:20,669 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:20,677 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:20,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:20,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:20,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:20,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:20,679 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-15 01:19:20,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:20,679 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:20,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:19:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:20,680 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:20,684 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:22,118 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2019-10-15 01:19:22,383 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-15 01:19:22,756 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2019-10-15 01:19:23,256 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2019-10-15 01:19:23,418 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2019-10-15 01:19:23,539 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-15 01:19:23,669 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-10-15 01:19:23,958 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2019-10-15 01:19:24,408 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 45 [2019-10-15 01:19:24,689 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2019-10-15 01:19:24,925 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 31 [2019-10-15 01:19:25,125 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 23 [2019-10-15 01:19:25,263 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 27 [2019-10-15 01:19:25,421 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2019-10-15 01:19:25,595 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 20 [2019-10-15 01:19:26,152 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 33 [2019-10-15 01:19:26,259 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2019-10-15 01:19:26,807 WARN L191 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 42 [2019-10-15 01:19:27,047 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 34 [2019-10-15 01:19:27,160 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 20 [2019-10-15 01:19:27,339 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2019-10-15 01:19:27,614 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 37 [2019-10-15 01:19:27,790 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2019-10-15 01:19:27,793 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 578) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point L574-1(lines 574 578) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point L568-2(lines 568 589) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 543 598) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point L590(lines 567 591) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 543 598) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 543 598) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point L631(lines 631 635) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point L631-1(lines 631 635) no Hoare annotation was computed. [2019-10-15 01:19:27,794 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 599 658) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point L625-2(lines 625 650) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 599 658) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point L651(lines 624 652) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 599 658) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point L644(line 644) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point L644-1(line 644) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2019-10-15 01:19:27,795 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2019-10-15 01:19:27,796 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2019-10-15 01:19:27,796 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,796 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2019-10-15 01:19:27,796 INFO L439 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,796 INFO L439 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,797 INFO L443 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2019-10-15 01:19:27,797 INFO L443 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2019-10-15 01:19:27,797 INFO L443 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-10-15 01:19:27,797 INFO L439 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,797 INFO L439 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,797 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L439 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 926 949) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 926 949) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 926 949) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point L944(line 944) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-15 01:19:27,798 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-15 01:19:27,799 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse0 (or .cse6 .cse4)) (.cse3 (= |old(~systemActive~0)| 0)) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)))) (.cse5 (not (<= 1 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse3 .cse1 .cse4)) (or (or .cse5 .cse3 .cse1) .cse2) (or .cse5 .cse6 (not (<= 1 ~waterLevel~0)))))) [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (or .cse1 .cse8)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse4 (not (<= 2 ~waterLevel~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 .cse4)) (or (or .cse5 .cse4) .cse2) (or .cse5 .cse2 .cse3) (or .cse6 (or .cse7 .cse4 .cse8)) (or (or .cse0 .cse7 .cse4) .cse6)))) [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L446 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2019-10-15 01:19:27,800 INFO L443 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point L408-2(lines 408 416) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 401 436) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 401 436) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 428) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 401 436) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point L420-2(lines 420 428) no Hoare annotation was computed. [2019-10-15 01:19:27,801 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 497 542) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 497 542) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 497 542) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 837) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 810 855) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 844) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 810 855) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 810 855) no Hoare annotation was computed. [2019-10-15 01:19:27,802 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,802 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-10-15 01:19:27,803 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2019-10-15 01:19:27,803 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2019-10-15 01:19:27,804 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2019-10-15 01:19:27,804 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2019-10-15 01:19:27,804 INFO L439 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1))) [2019-10-15 01:19:27,804 INFO L443 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2019-10-15 01:19:27,804 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse1 .cse0 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:27,804 INFO L439 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-15 01:19:27,804 INFO L439 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 2 ~waterLevel~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~systemActive~0 0)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~3))) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse6 .cse4 .cse0 .cse5) (or .cse4 .cse0 .cse7 .cse2) (or .cse6 .cse4 .cse0 .cse7) (or .cse6 .cse0 .cse3 .cse1))) [2019-10-15 01:19:27,804 INFO L443 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2019-10-15 01:19:27,805 INFO L439 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse5 (not (= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse5) (or .cse4 .cse2 .cse7 .cse6) (or .cse2 .cse0 .cse3 .cse6) (or .cse1 .cse4 .cse2 .cse7))) [2019-10-15 01:19:27,805 INFO L443 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2019-10-15 01:19:27,805 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2019-10-15 01:19:27,805 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2019-10-15 01:19:27,805 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2019-10-15 01:19:27,805 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,806 INFO L439 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:27,806 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2019-10-15 01:19:27,806 INFO L443 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2019-10-15 01:19:27,806 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2019-10-15 01:19:27,806 INFO L439 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:27,806 INFO L439 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1) (<= 1 ~methaneLevelCritical~0) .cse2) (and .cse3 (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and (and .cse3 .cse0 .cse1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:27,806 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2019-10-15 01:19:27,807 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2019-10-15 01:19:27,807 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2019-10-15 01:19:27,807 INFO L439 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:27,807 INFO L439 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse0 .cse6) (and .cse5 .cse0 .cse1 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:27,807 INFO L443 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2019-10-15 01:19:27,807 INFO L439 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse1 .cse5) (and .cse4 .cse1 .cse6 .cse5) (and .cse1 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 764 809) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 764 809) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 764 809) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 791) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point L778(lines 778 798) no Hoare annotation was computed. [2019-10-15 01:19:27,808 INFO L443 ceAbstractionStarter]: For program point L778-1(lines 778 798) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point L103(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:19:27,809 INFO L443 ceAbstractionStarter]: For program point L103-2(lines 103 111) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 95 117) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 661 763) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point L731(lines 709 732) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 706) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point L750(lines 750 757) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point L711(lines 710 730) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2019-10-15 01:19:27,810 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 661 763) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L707(lines 707 748) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L726-1(line 726) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 661 763) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L749(lines 749 760) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2019-10-15 01:19:27,811 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 730) no Hoare annotation was computed. [2019-10-15 01:19:27,812 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 861 870) no Hoare annotation was computed. [2019-10-15 01:19:27,812 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 861 870) no Hoare annotation was computed. [2019-10-15 01:19:27,812 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 861 870) no Hoare annotation was computed. [2019-10-15 01:19:27,812 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,812 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-10-15 01:19:27,812 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,812 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:27,812 INFO L443 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2019-10-15 01:19:27,813 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2019-10-15 01:19:27,813 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2019-10-15 01:19:27,813 INFO L439 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:27,813 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse1 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse3 .cse1))) [2019-10-15 01:19:27,813 INFO L443 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2019-10-15 01:19:27,813 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:19:27,813 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L446 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2019-10-15 01:19:27,814 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:19:27,815 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse1 (or .cse0 .cse3 .cse2)) (or (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0 (not (<= 1 ~waterLevel~0)) (<= 1 ~methaneLevelCritical~0)) (or (or (= ~systemActive~0 0) .cse3 .cse2) .cse1))) [2019-10-15 01:19:27,815 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2019-10-15 01:19:27,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,815 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,815 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2019-10-15 01:19:27,815 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:19:27,815 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2019-10-15 01:19:27,816 INFO L439 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse9 (not (= 0 ~systemActive~0)))) (let ((.cse1 (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse9)) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse9 (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (= ~systemActive~0 0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse5 .cse6 .cse3) .cse7) (or .cse8 (or .cse4 .cse0 .cse6)) (or (or .cse0 .cse6 .cse3) .cse8) (or (or .cse4 .cse5 .cse6) .cse7)))) [2019-10-15 01:19:27,816 INFO L439 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse9 (= ~pumpRunning~0 0))) (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (and .cse5 .cse9)) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (and .cse9 .cse11))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0 (and (<= 2 ~waterLevel~0) .cse5)) (or .cse1 .cse6 .cse7 .cse8) (or .cse6 (and .cse7 .cse9) .cse8 .cse4) (or .cse10 (or .cse6 .cse3 .cse4) (and (not (= 0 ~systemActive~0)) .cse11)) (or .cse1 .cse6 (not (<= 1 |old(~waterLevel~0)|)) .cse10)))) [2019-10-15 01:19:27,816 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= ~systemActive~0 0)) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse10)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse7 .cse10))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5 .cse6) (or .cse4 (and .cse5 .cse7) .cse6 .cse8) (or (or .cse1 .cse2 .cse8) .cse3) (or .cse9 (or .cse4 .cse2 .cse8)) (or .cse0 .cse4 (not (<= 1 |old(~waterLevel~0)|)) .cse9)))) [2019-10-15 01:19:27,816 INFO L439 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse3 (= ~systemActive~0 0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse2) .cse4) (or .cse1 (not (<= 1 |old(~waterLevel~0)|)) .cse5) (or (or .cse3 .cse2 .cse5) .cse4) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2019-10-15 01:19:27,816 INFO L443 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2019-10-15 01:19:27,817 INFO L446 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L446 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-15 01:19:27,817 INFO L446 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2019-10-15 01:19:27,817 INFO L446 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2019-10-15 01:19:27,817 INFO L443 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2019-10-15 01:19:27,818 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse1 .cse0))) [2019-10-15 01:19:27,818 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:19:27,818 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2019-10-15 01:19:27,818 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2019-10-15 01:19:27,818 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2019-10-15 01:19:27,818 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,818 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:19:27,818 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:27,818 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:27,818 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-15 01:19:27,819 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2019-10-15 01:19:27,819 INFO L439 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse5 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse1 .cse5))) [2019-10-15 01:19:27,819 INFO L443 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2019-10-15 01:19:27,819 INFO L439 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse2 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) .cse3) (or .cse1 .cse3 .cse2 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1))))) [2019-10-15 01:19:27,819 INFO L439 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:27,819 INFO L443 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2019-10-15 01:19:27,819 INFO L439 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-10-15 01:19:27,819 INFO L443 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2019-10-15 01:19:27,820 INFO L443 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2019-10-15 01:19:27,820 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:19:27,820 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2019-10-15 01:19:27,820 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (<= 2 |old(~waterLevel~0)|)) (or (= ~systemActive~0 0) .cse4)) (or .cse2 .cse1 (or .cse3 .cse4)) (or .cse0 .cse3 .cse5 .cse6) (or .cse3 .cse5 .cse6 .cse4))) [2019-10-15 01:19:27,820 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2019-10-15 01:19:27,820 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2019-10-15 01:19:27,820 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2019-10-15 01:19:27,821 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2019-10-15 01:19:27,821 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2019-10-15 01:19:27,821 INFO L443 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2019-10-15 01:19:27,821 INFO L446 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2019-10-15 01:19:27,821 INFO L443 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2019-10-15 01:19:27,821 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2019-10-15 01:19:27,821 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2019-10-15 01:19:27,821 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse3 .cse0 .cse1) (or .cse2 .cse3 .cse0) (or .cse3 .cse4 .cse1))) [2019-10-15 01:19:27,822 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-10-15 01:19:27,822 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2019-10-15 01:19:27,822 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-15 01:19:27,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:27 BoogieIcfgContainer [2019-10-15 01:19:27,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:27,840 INFO L168 Benchmark]: Toolchain (without parser) took 19833.20 ms. Allocated memory was 145.2 MB in the beginning and 522.2 MB in the end (delta: 377.0 MB). Free memory was 101.0 MB in the beginning and 309.9 MB in the end (delta: -208.9 MB). Peak memory consumption was 389.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:27,841 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:27,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 677.45 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 170.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:27,842 INFO L168 Benchmark]: Boogie Preprocessor took 98.76 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:27,843 INFO L168 Benchmark]: RCFGBuilder took 1377.94 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 196.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:27,844 INFO L168 Benchmark]: TraceAbstraction took 17674.48 ms. Allocated memory was 235.4 MB in the beginning and 522.2 MB in the end (delta: 286.8 MB). Free memory was 196.0 MB in the beginning and 309.9 MB in the end (delta: -113.9 MB). Peak memory consumption was 394.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:27,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 677.45 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 170.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.76 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1377.94 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 165.9 MB in the beginning and 196.0 MB in the end (delta: -30.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17674.48 ms. Allocated memory was 235.4 MB in the beginning and 522.2 MB in the end (delta: 286.8 MB). Free memory was 196.0 MB in the beginning and 309.9 MB in the end (delta: -113.9 MB). Peak memory consumption was 394.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && 1 <= methaneLevelCritical) && 1 <= waterLevel) && pumpRunning == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive))) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 248 locations, 1 error locations. Result: SAFE, OverallTime: 17.5s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.1s, HoareTripleCheckerStatistics: 2063 SDtfs, 1398 SDslu, 6003 SDs, 0 SdLazy, 2333 SolverSat, 490 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 634 GetRequests, 531 SyntacticMatches, 10 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2769occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 874 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4234 PreInvPairs, 4431 NumberOfFragments, 2333 HoareAnnotationTreeSize, 4234 FomulaSimplifications, 9785 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 66 FomulaSimplificationsInter, 19591 FormulaSimplificationTreeSizeReductionInter, 5.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1225 NumberOfCodeBlocks, 1225 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 282351 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1671 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 142/154 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...