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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:19:03,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:19:03,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:19:03,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:19:03,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:19:03,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:19:03,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:19:03,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:19:03,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:19:03,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:19:03,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:19:03,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:19:03,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:19:03,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:19:03,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:19:03,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:19:03,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:19:03,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:19:03,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:19:03,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:19:03,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:19:03,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:19:03,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:19:03,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:19:03,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:19:03,695 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:19:03,695 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:19:03,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:19:03,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:19:03,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:19:03,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:19:03,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:19:03,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:19:03,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:19:03,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:19:03,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:19:03,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:19:03,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:19:03,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:19:03,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:19:03,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:19:03,705 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 01:19:03,730 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:19:03,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:19:03,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:19:03,733 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:19:03,733 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:19:03,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:19:03,734 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:19:03,734 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:19:03,734 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:19:03,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:19:03,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:19:03,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:19:03,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:19:03,737 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:19:03,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:19:03,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:19:03,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:19:03,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:19:03,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:19:03,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:19:03,739 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:19:03,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:19:03,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:19:03,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:19:03,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:19:03,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:19:03,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:19:03,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:19:03,741 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 01:19:04,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:19:04,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:19:04,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:19:04,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:19:04,102 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:19:04,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-10-15 01:19:04,183 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8509f7f/e002499ce6da467d99a54300a4c36aa1/FLAG6cec27cd5 [2019-10-15 01:19:04,667 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:19:04,667 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2019-10-15 01:19:04,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8509f7f/e002499ce6da467d99a54300a4c36aa1/FLAG6cec27cd5 [2019-10-15 01:19:04,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8509f7f/e002499ce6da467d99a54300a4c36aa1 [2019-10-15 01:19:04,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:19:04,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:19:04,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:04,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:19:04,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:19:05,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:04" (1/1) ... [2019-10-15 01:19:05,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283ca1de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05, skipping insertion in model container [2019-10-15 01:19:05,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:19:04" (1/1) ... [2019-10-15 01:19:05,011 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:19:05,077 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:19:05,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:05,536 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:19:05,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:19:05,683 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:19:05,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05 WrapperNode [2019-10-15 01:19:05,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:19:05,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:19:05,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:19:05,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:19:05,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (1/1) ... [2019-10-15 01:19:05,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:19:05,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:19:05,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:19:05,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:19:05,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (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 01:19:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:19:05,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:19:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:19:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:19:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:19:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:19:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:19:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:05,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:19:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:19:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:19:05,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:19:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:19:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:19:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:19:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:19:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:19:05,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:19:05,860 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:19:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:19:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:19:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:19:05,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:19:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:19:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:19:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:19:05,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:19:05,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:19:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:19:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:19:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:19:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:19:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:19:05,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:19:05,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:19:05,865 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:19:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:19:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:19:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:19:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:19:05,866 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:19:05,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:19:05,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:19:05,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:19:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:19:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:19:05,870 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:19:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:19:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:19:05,871 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:19:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:19:05,872 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-15 01:19:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:19:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:19:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:19:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:19:05,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:19:06,991 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:19:06,991 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:19:06,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:06 BoogieIcfgContainer [2019-10-15 01:19:06,993 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:19:06,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:19:06,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:19:06,998 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:19:06,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:19:04" (1/3) ... [2019-10-15 01:19:07,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d11c4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:06, skipping insertion in model container [2019-10-15 01:19:07,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:19:05" (2/3) ... [2019-10-15 01:19:07,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d11c4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:19:07, skipping insertion in model container [2019-10-15 01:19:07,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:19:06" (3/3) ... [2019-10-15 01:19:07,003 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2019-10-15 01:19:07,013 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:19:07,023 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:19:07,035 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:19:07,063 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:19:07,064 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:19:07,064 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:19:07,064 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:19:07,064 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:19:07,065 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:19:07,065 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:19:07,065 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:19:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-10-15 01:19:07,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-15 01:19:07,101 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:07,102 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 01:19:07,104 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:07,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:07,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2019-10-15 01:19:07,121 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:07,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167408223] [2019-10-15 01:19:07,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:07,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:07,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:07,470 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 01:19:07,471 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167408223] [2019-10-15 01:19:07,472 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:07,473 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:19:07,474 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921525366] [2019-10-15 01:19:07,480 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:19:07,482 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:07,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:19:07,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:19:07,504 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-10-15 01:19:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:07,572 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2019-10-15 01:19:07,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:19:07,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-15 01:19:07,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:07,587 INFO L225 Difference]: With dead ends: 260 [2019-10-15 01:19:07,587 INFO L226 Difference]: Without dead ends: 130 [2019-10-15 01:19:07,592 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 01:19:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-10-15 01:19:07,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-10-15 01:19:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-10-15 01:19:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2019-10-15 01:19:07,649 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2019-10-15 01:19:07,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:07,649 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2019-10-15 01:19:07,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:19:07,650 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2019-10-15 01:19:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:19:07,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:07,654 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 01:19:07,654 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:07,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:07,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2019-10-15 01:19:07,655 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:07,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078489351] [2019-10-15 01:19:07,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:07,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:07,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:07,755 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 01:19:07,756 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078489351] [2019-10-15 01:19:07,756 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:07,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:19:07,757 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562576580] [2019-10-15 01:19:07,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:19:07,759 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:07,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:19:07,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:19:07,759 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2019-10-15 01:19:07,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:07,782 INFO L93 Difference]: Finished difference Result 209 states and 247 transitions. [2019-10-15 01:19:07,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:19:07,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 01:19:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:07,785 INFO L225 Difference]: With dead ends: 209 [2019-10-15 01:19:07,785 INFO L226 Difference]: Without dead ends: 121 [2019-10-15 01:19:07,787 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 01:19:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-15 01:19:07,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-15 01:19:07,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-15 01:19:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2019-10-15 01:19:07,802 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 47 [2019-10-15 01:19:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:07,802 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2019-10-15 01:19:07,802 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:19:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2019-10-15 01:19:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-10-15 01:19:07,805 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:07,805 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 01:19:07,805 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash -970175768, now seen corresponding path program 1 times [2019-10-15 01:19:07,806 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:07,806 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419092277] [2019-10-15 01:19:07,806 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:07,807 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:07,807 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:07,938 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 01:19:07,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419092277] [2019-10-15 01:19:07,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:07,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:07,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734779308] [2019-10-15 01:19:07,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:07,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:07,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:07,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:07,940 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand 7 states. [2019-10-15 01:19:08,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:08,332 INFO L93 Difference]: Finished difference Result 218 states and 261 transitions. [2019-10-15 01:19:08,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:08,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-10-15 01:19:08,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:08,335 INFO L225 Difference]: With dead ends: 218 [2019-10-15 01:19:08,335 INFO L226 Difference]: Without dead ends: 121 [2019-10-15 01:19:08,337 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:08,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2019-10-15 01:19:08,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2019-10-15 01:19:08,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2019-10-15 01:19:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2019-10-15 01:19:08,360 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2019-10-15 01:19:08,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:08,361 INFO L462 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2019-10-15 01:19:08,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:08,361 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2019-10-15 01:19:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-15 01:19:08,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:08,372 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, 1, 1, 1] [2019-10-15 01:19:08,375 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:08,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:08,376 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2019-10-15 01:19:08,376 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:08,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172474644] [2019-10-15 01:19:08,377 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,377 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:08,377 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:08,550 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 01:19:08,551 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172474644] [2019-10-15 01:19:08,551 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:08,552 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:19:08,552 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456143344] [2019-10-15 01:19:08,552 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:08,553 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:08,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:08,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:19:08,554 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 5 states. [2019-10-15 01:19:09,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,110 INFO L93 Difference]: Finished difference Result 319 states and 386 transitions. [2019-10-15 01:19:09,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:19:09,111 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-10-15 01:19:09,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,114 INFO L225 Difference]: With dead ends: 319 [2019-10-15 01:19:09,114 INFO L226 Difference]: Without dead ends: 222 [2019-10-15 01:19:09,116 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:09,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2019-10-15 01:19:09,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 204. [2019-10-15 01:19:09,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2019-10-15 01:19:09,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 233 transitions. [2019-10-15 01:19:09,142 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 233 transitions. Word has length 64 [2019-10-15 01:19:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,143 INFO L462 AbstractCegarLoop]: Abstraction has 204 states and 233 transitions. [2019-10-15 01:19:09,143 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 233 transitions. [2019-10-15 01:19:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-15 01:19:09,145 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,145 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:09,145 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,146 INFO L82 PathProgramCache]: Analyzing trace with hash -274572639, now seen corresponding path program 1 times [2019-10-15 01:19:09,146 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138870274] [2019-10-15 01:19:09,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,147 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,243 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 01:19:09,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138870274] [2019-10-15 01:19:09,244 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,244 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:09,245 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026488662] [2019-10-15 01:19:09,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:09,246 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:09,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:09,247 INFO L87 Difference]: Start difference. First operand 204 states and 233 transitions. Second operand 6 states. [2019-10-15 01:19:09,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:09,469 INFO L93 Difference]: Finished difference Result 549 states and 649 transitions. [2019-10-15 01:19:09,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:09,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-10-15 01:19:09,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:09,474 INFO L225 Difference]: With dead ends: 549 [2019-10-15 01:19:09,475 INFO L226 Difference]: Without dead ends: 369 [2019-10-15 01:19:09,478 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 01:19:09,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-15 01:19:09,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 363. [2019-10-15 01:19:09,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-10-15 01:19:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 416 transitions. [2019-10-15 01:19:09,543 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 416 transitions. Word has length 78 [2019-10-15 01:19:09,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:09,544 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 416 transitions. [2019-10-15 01:19:09,544 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 416 transitions. [2019-10-15 01:19:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-15 01:19:09,546 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:09,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:09,547 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:09,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:09,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1223934493, now seen corresponding path program 1 times [2019-10-15 01:19:09,548 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:09,548 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299077376] [2019-10-15 01:19:09,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,548 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:09,548 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:09,709 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 01:19:09,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299077376] [2019-10-15 01:19:09,709 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:09,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:19:09,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385457606] [2019-10-15 01:19:09,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:19:09,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:09,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:19:09,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:19:09,712 INFO L87 Difference]: Start difference. First operand 363 states and 416 transitions. Second operand 7 states. [2019-10-15 01:19:10,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,328 INFO L93 Difference]: Finished difference Result 396 states and 466 transitions. [2019-10-15 01:19:10,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 01:19:10,328 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2019-10-15 01:19:10,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,332 INFO L225 Difference]: With dead ends: 396 [2019-10-15 01:19:10,332 INFO L226 Difference]: Without dead ends: 393 [2019-10-15 01:19:10,332 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:19:10,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-15 01:19:10,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 363. [2019-10-15 01:19:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-10-15 01:19:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 415 transitions. [2019-10-15 01:19:10,358 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 415 transitions. Word has length 82 [2019-10-15 01:19:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,358 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 415 transitions. [2019-10-15 01:19:10,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:19:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 415 transitions. [2019-10-15 01:19:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:10,360 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,361 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 01:19:10,361 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,361 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2019-10-15 01:19:10,362 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,362 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885461659] [2019-10-15 01:19:10,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,362 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,453 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 01:19:10,453 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885461659] [2019-10-15 01:19:10,453 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,454 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:19:10,454 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836260128] [2019-10-15 01:19:10,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:19:10,456 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:19:10,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:19:10,457 INFO L87 Difference]: Start difference. First operand 363 states and 415 transitions. Second operand 6 states. [2019-10-15 01:19:10,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,526 INFO L93 Difference]: Finished difference Result 716 states and 838 transitions. [2019-10-15 01:19:10,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:10,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2019-10-15 01:19:10,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,529 INFO L225 Difference]: With dead ends: 716 [2019-10-15 01:19:10,530 INFO L226 Difference]: Without dead ends: 377 [2019-10-15 01:19:10,531 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 01:19:10,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-10-15 01:19:10,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 373. [2019-10-15 01:19:10,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-15 01:19:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2019-10-15 01:19:10,554 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 98 [2019-10-15 01:19:10,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,555 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2019-10-15 01:19:10,555 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:19:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2019-10-15 01:19:10,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:10,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,557 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 01:19:10,558 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,558 INFO L82 PathProgramCache]: Analyzing trace with hash -1019862391, now seen corresponding path program 1 times [2019-10-15 01:19:10,559 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815899272] [2019-10-15 01:19:10,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,672 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 01:19:10,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815899272] [2019-10-15 01:19:10,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:19:10,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908082248] [2019-10-15 01:19:10,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:10,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:10,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:19:10,675 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 8 states. [2019-10-15 01:19:10,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:10,722 INFO L93 Difference]: Finished difference Result 736 states and 860 transitions. [2019-10-15 01:19:10,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:10,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2019-10-15 01:19:10,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:10,727 INFO L225 Difference]: With dead ends: 736 [2019-10-15 01:19:10,727 INFO L226 Difference]: Without dead ends: 387 [2019-10-15 01:19:10,729 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 01:19:10,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-15 01:19:10,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 381. [2019-10-15 01:19:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-15 01:19:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 433 transitions. [2019-10-15 01:19:10,757 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 433 transitions. Word has length 98 [2019-10-15 01:19:10,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:10,757 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 433 transitions. [2019-10-15 01:19:10,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:10,758 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 433 transitions. [2019-10-15 01:19:10,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-10-15 01:19:10,761 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:10,761 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 01:19:10,761 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:10,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:10,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1027621750, now seen corresponding path program 1 times [2019-10-15 01:19:10,762 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:10,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961759806] [2019-10-15 01:19:10,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:10,763 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:10,857 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 01:19:10,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961759806] [2019-10-15 01:19:10,858 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:19:10,858 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:19:10,859 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433267111] [2019-10-15 01:19:10,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:19:10,860 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:10,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:19:10,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:19:10,861 INFO L87 Difference]: Start difference. First operand 381 states and 433 transitions. Second operand 4 states. [2019-10-15 01:19:11,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:11,108 INFO L93 Difference]: Finished difference Result 1123 states and 1346 transitions. [2019-10-15 01:19:11,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:19:11,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-10-15 01:19:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:11,115 INFO L225 Difference]: With dead ends: 1123 [2019-10-15 01:19:11,115 INFO L226 Difference]: Without dead ends: 766 [2019-10-15 01:19:11,117 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 01:19:11,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2019-10-15 01:19:11,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 751. [2019-10-15 01:19:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 751 states. [2019-10-15 01:19:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 881 transitions. [2019-10-15 01:19:11,166 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 881 transitions. Word has length 98 [2019-10-15 01:19:11,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:11,169 INFO L462 AbstractCegarLoop]: Abstraction has 751 states and 881 transitions. [2019-10-15 01:19:11,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:19:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 881 transitions. [2019-10-15 01:19:11,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-10-15 01:19:11,173 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:11,173 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 01:19:11,173 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:11,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:11,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1865521988, now seen corresponding path program 1 times [2019-10-15 01:19:11,174 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:11,175 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135274824] [2019-10-15 01:19:11,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:11,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,362 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 01:19:11,363 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135274824] [2019-10-15 01:19:11,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013580386] [2019-10-15 01:19:11,364 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 01:19:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:11,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:11,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:11,793 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 01:19:11,793 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:12,746 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 01:19:12,747 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:12,747 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:12,747 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772194319] [2019-10-15 01:19:12,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:12,748 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:12,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:12,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:12,749 INFO L87 Difference]: Start difference. First operand 751 states and 881 transitions. Second operand 8 states. [2019-10-15 01:19:13,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:13,193 INFO L93 Difference]: Finished difference Result 1450 states and 1712 transitions. [2019-10-15 01:19:13,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:13,193 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2019-10-15 01:19:13,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:13,198 INFO L225 Difference]: With dead ends: 1450 [2019-10-15 01:19:13,198 INFO L226 Difference]: Without dead ends: 723 [2019-10-15 01:19:13,201 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 187 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:13,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-10-15 01:19:13,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2019-10-15 01:19:13,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-15 01:19:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 835 transitions. [2019-10-15 01:19:13,240 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 835 transitions. Word has length 102 [2019-10-15 01:19:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:13,241 INFO L462 AbstractCegarLoop]: Abstraction has 723 states and 835 transitions. [2019-10-15 01:19:13,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 835 transitions. [2019-10-15 01:19:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 01:19:13,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:13,245 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:13,451 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:13,452 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:13,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:13,453 INFO L82 PathProgramCache]: Analyzing trace with hash 1092013826, now seen corresponding path program 1 times [2019-10-15 01:19:13,454 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:13,455 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071636579] [2019-10-15 01:19:13,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,455 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:13,455 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,580 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:13,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071636579] [2019-10-15 01:19:13,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596906539] [2019-10-15 01:19:13,581 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 01:19:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:13,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 6 conjunts are in the unsatisfiable core [2019-10-15 01:19:13,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:13,892 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:19:13,893 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:14,169 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-15 01:19:14,169 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:14,170 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 9 [2019-10-15 01:19:14,170 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502337564] [2019-10-15 01:19:14,170 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:19:14,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:14,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:19:14,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:19:14,171 INFO L87 Difference]: Start difference. First operand 723 states and 835 transitions. Second operand 5 states. [2019-10-15 01:19:14,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:14,774 INFO L93 Difference]: Finished difference Result 1563 states and 1922 transitions. [2019-10-15 01:19:14,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:19:14,774 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2019-10-15 01:19:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:14,781 INFO L225 Difference]: With dead ends: 1563 [2019-10-15 01:19:14,782 INFO L226 Difference]: Without dead ends: 984 [2019-10-15 01:19:14,784 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 304 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:19:14,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2019-10-15 01:19:14,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 895. [2019-10-15 01:19:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2019-10-15 01:19:14,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1051 transitions. [2019-10-15 01:19:14,845 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1051 transitions. Word has length 153 [2019-10-15 01:19:14,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:14,845 INFO L462 AbstractCegarLoop]: Abstraction has 895 states and 1051 transitions. [2019-10-15 01:19:14,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:19:14,846 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1051 transitions. [2019-10-15 01:19:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 01:19:14,850 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:19:14,850 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:19:15,065 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,065 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:19:15,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:19:15,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1153565628, now seen corresponding path program 1 times [2019-10-15 01:19:15,066 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:19:15,067 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681656327] [2019-10-15 01:19:15,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:19:15,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:19:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,314 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:15,315 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681656327] [2019-10-15 01:19:15,315 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645653338] [2019-10-15 01:19:15,315 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:19:15,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-15 01:19:15,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:19:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-15 01:19:15,722 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:19:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 01:19:16,228 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:19:16,228 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-15 01:19:16,228 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472851586] [2019-10-15 01:19:16,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:19:16,229 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:19:16,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:19:16,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-15 01:19:16,231 INFO L87 Difference]: Start difference. First operand 895 states and 1051 transitions. Second operand 8 states. [2019-10-15 01:19:16,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:19:16,647 INFO L93 Difference]: Finished difference Result 1557 states and 1853 transitions. [2019-10-15 01:19:16,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:19:16,648 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2019-10-15 01:19:16,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:19:16,649 INFO L225 Difference]: With dead ends: 1557 [2019-10-15 01:19:16,649 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:19:16,653 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 SyntacticMatches, 5 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 01:19:16,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:19:16,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:19:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:19:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:19:16,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2019-10-15 01:19:16,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:19:16,654 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:19:16,654 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:19:16,655 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:19:16,655 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:19:16,859 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:19:16,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:19:17,600 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 16 [2019-10-15 01:19:18,045 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-15 01:19:18,208 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-15 01:19:18,333 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 20 [2019-10-15 01:19:18,536 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2019-10-15 01:19:18,691 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-15 01:19:19,024 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:19,517 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-10-15 01:19:20,321 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 22 [2019-10-15 01:19:20,522 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-15 01:19:20,647 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-15 01:19:20,917 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2019-10-15 01:19:21,056 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2019-10-15 01:19:21,573 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-15 01:19:21,576 INFO L443 ceAbstractionStarter]: For program point L413(lines 390 414) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 401) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2019-10-15 01:19:21,577 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point L474(lines 447 475) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2019-10-15 01:19:21,578 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2019-10-15 01:19:21,579 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 458) no Hoare annotation was computed. [2019-10-15 01:19:21,579 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2019-10-15 01:19:21,579 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2019-10-15 01:19:21,579 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2019-10-15 01:19:21,579 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2019-10-15 01:19:21,579 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2019-10-15 01:19:21,580 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2019-10-15 01:19:21,580 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,580 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2019-10-15 01:19:21,580 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2019-10-15 01:19:21,580 INFO L439 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,580 INFO L439 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,581 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2019-10-15 01:19:21,581 INFO L443 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2019-10-15 01:19:21,581 INFO L443 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2019-10-15 01:19:21,581 INFO L439 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,581 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,581 INFO L439 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,581 INFO L443 ceAbstractionStarter]: For program point L225(line 225) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point L222(line 222) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point L221(line 221) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point L220(line 220) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2019-10-15 01:19:21,582 INFO L443 ceAbstractionStarter]: For program point L219(line 219) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L218(line 218) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L217(line 217) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L216(line 216) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2019-10-15 01:19:21,583 INFO L443 ceAbstractionStarter]: For program point L226(line 226) no Hoare annotation was computed. [2019-10-15 01:19:21,584 INFO L439 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2019-10-15 01:19:21,584 INFO L443 ceAbstractionStarter]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2019-10-15 01:19:21,584 INFO L439 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~6 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0) (or .cse3 .cse0 .cse1))) [2019-10-15 01:19:21,584 INFO L439 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:21,584 INFO L443 ceAbstractionStarter]: For program point L790(lines 790 798) no Hoare annotation was computed. [2019-10-15 01:19:21,584 INFO L439 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-15 01:19:21,585 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-15 01:19:21,585 INFO L443 ceAbstractionStarter]: For program point L786(lines 786 803) no Hoare annotation was computed. [2019-10-15 01:19:21,585 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:21,585 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2019-10-15 01:19:21,585 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2019-10-15 01:19:21,585 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2019-10-15 01:19:21,585 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2019-10-15 01:19:21,585 INFO L443 ceAbstractionStarter]: For program point L893(lines 893 901) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 913) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2019-10-15 01:19:21,586 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 660) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2019-10-15 01:19:21,587 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 667) no Hoare annotation was computed. [2019-10-15 01:19:21,588 INFO L443 ceAbstractionStarter]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2019-10-15 01:19:21,588 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2019-10-15 01:19:21,588 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,588 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2019-10-15 01:19:21,588 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2019-10-15 01:19:21,588 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2019-10-15 01:19:21,588 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2019-10-15 01:19:21,588 INFO L446 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: true [2019-10-15 01:19:21,589 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2019-10-15 01:19:21,589 INFO L443 ceAbstractionStarter]: For program point L871-1(line 871) no Hoare annotation was computed. [2019-10-15 01:19:21,589 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse0 .cse2))) [2019-10-15 01:19:21,589 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2019-10-15 01:19:21,589 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2019-10-15 01:19:21,589 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:19:21,589 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2019-10-15 01:19:21,589 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-15 01:19:21,590 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2019-10-15 01:19:21,590 INFO L439 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-15 01:19:21,590 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2019-10-15 01:19:21,590 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2019-10-15 01:19:21,590 INFO L439 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1))) [2019-10-15 01:19:21,590 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:21,591 INFO L439 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse2)) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:19:21,591 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 824) no Hoare annotation was computed. [2019-10-15 01:19:21,591 INFO L439 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-15 01:19:21,591 INFO L443 ceAbstractionStarter]: For program point L814-1(line 814) no Hoare annotation was computed. [2019-10-15 01:19:21,591 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 829) no Hoare annotation was computed. [2019-10-15 01:19:21,591 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2019-10-15 01:19:21,591 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2019-10-15 01:19:21,591 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,592 INFO L439 ceAbstractionStarter]: At program point L702(line 702) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:21,592 INFO L439 ceAbstractionStarter]: At program point L733(lines 690 735) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:21,592 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 706) no Hoare annotation was computed. [2019-10-15 01:19:21,592 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2019-10-15 01:19:21,592 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2019-10-15 01:19:21,592 INFO L443 ceAbstractionStarter]: For program point L692(lines 692 696) no Hoare annotation was computed. [2019-10-15 01:19:21,592 INFO L439 ceAbstractionStarter]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:19:21,593 INFO L443 ceAbstractionStarter]: For program point L726(lines 726 730) no Hoare annotation was computed. [2019-10-15 01:19:21,593 INFO L439 ceAbstractionStarter]: At program point L726-2(lines 720 731) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:21,593 INFO L443 ceAbstractionStarter]: For program point L691(lines 690 735) no Hoare annotation was computed. [2019-10-15 01:19:21,593 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 731) no Hoare annotation was computed. [2019-10-15 01:19:21,593 INFO L439 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= ~systemActive~0 1)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-15 01:19:21,593 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 716) no Hoare annotation was computed. [2019-10-15 01:19:21,593 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2019-10-15 01:19:21,593 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 614) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L443 ceAbstractionStarter]: For program point L601(lines 601 621) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L443 ceAbstractionStarter]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2019-10-15 01:19:21,594 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2019-10-15 01:19:21,595 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 583) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point L535(lines 535 539) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point L554(lines 532 555) no Hoare annotation was computed. [2019-10-15 01:19:21,596 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 529) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 580) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L534(lines 533 553) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L565-1(line 565) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 571) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2019-10-15 01:19:21,597 INFO L443 ceAbstractionStarter]: For program point L549(line 549) no Hoare annotation was computed. [2019-10-15 01:19:21,598 INFO L443 ceAbstractionStarter]: For program point L549-1(line 549) no Hoare annotation was computed. [2019-10-15 01:19:21,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,598 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 01:19:21,598 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,598 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2019-10-15 01:19:21,598 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.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 01:19:21,598 INFO L443 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2019-10-15 01:19:21,599 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2019-10-15 01:19:21,599 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.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 01:19:21,599 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-15 01:19:21,599 INFO L443 ceAbstractionStarter]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2019-10-15 01:19:21,599 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:19:21,599 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:19:21,599 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-10-15 01:19:21,600 INFO L446 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: true [2019-10-15 01:19:21,600 INFO L443 ceAbstractionStarter]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2019-10-15 01:19:21,600 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2019-10-15 01:19:21,600 INFO L443 ceAbstractionStarter]: For program point L929-1(line 929) no Hoare annotation was computed. [2019-10-15 01:19:21,600 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2019-10-15 01:19:21,600 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2019-10-15 01:19:21,600 INFO L443 ceAbstractionStarter]: For program point L931(lines 931 935) no Hoare annotation was computed. [2019-10-15 01:19:21,600 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:19:21,601 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-15 01:19:21,601 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-10-15 01:19:21,601 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,601 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,601 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,601 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-10-15 01:19:21,601 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:19:21,601 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-10-15 01:19:21,602 INFO L439 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not .cse3)) (.cse4 (and (not .cse6) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse5) (or .cse5 .cse1 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse8) (or .cse6 .cse0 .cse5 .cse1 .cse7) (or .cse3 .cse4 .cse1 .cse8 .cse5)))) [2019-10-15 01:19:21,602 INFO L439 ceAbstractionStarter]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse6)) (.cse3 (and .cse5 .cse11 .cse10)) (.cse0 (not .cse11)) (.cse7 (not .cse1)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse4 .cse6 .cse7 .cse8) (or .cse1 (and .cse2 .cse9) .cse5 .cse4 .cse8) (or .cse0 .cse3 .cse4 (and .cse10 .cse9)) (or .cse6 .cse0 .cse5 .cse4 .cse7) (or .cse10 (and (<= 2 ~waterLevel~0) .cse9) .cse4 .cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|))))) [2019-10-15 01:19:21,602 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (and .cse1 .cse2 .cse3)) (or .cse1 .cse0 .cse4) (or (and .cse2 .cse3) .cse0 .cse4))) [2019-10-15 01:19:21,602 INFO L443 ceAbstractionStarter]: For program point L754(lines 753 772) no Hoare annotation was computed. [2019-10-15 01:19:21,602 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse5)) (.cse7 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4) (or .cse7 .cse8 .cse1) (or .cse2 .cse8 .cse0 .cse1 .cse3) (or .cse7 .cse1 .cse4) (or .cse8 .cse5 .cse1 .cse6)))) [2019-10-15 01:19:21,602 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2019-10-15 01:19:21,603 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2019-10-15 01:19:21,603 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-15 01:19:21,603 INFO L446 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2019-10-15 01:19:21,603 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2019-10-15 01:19:21,603 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-10-15 01:19:21,603 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2019-10-15 01:19:21,603 INFO L446 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2019-10-15 01:19:21,603 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-15 01:19:21,604 INFO L443 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2019-10-15 01:19:21,604 INFO L446 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2019-10-15 01:19:21,604 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-10-15 01:19:21,604 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 (or .cse1 .cse2)))) [2019-10-15 01:19:21,604 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:19:21,604 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-10-15 01:19:21,604 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2019-10-15 01:19:21,604 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2019-10-15 01:19:21,604 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,605 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 01:19:21,605 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:19:21,605 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:19:21,605 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:19:21,605 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-10-15 01:19:21,605 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse1 .cse4)) (or .cse6 (or .cse0 .cse1) .cse5) (or .cse2 .cse6 .cse0 .cse1 .cse3))) [2019-10-15 01:19:21,605 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2019-10-15 01:19:21,606 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2019-10-15 01:19:21,606 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-10-15 01:19:21,606 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2019-10-15 01:19:21,606 INFO L439 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-15 01:19:21,606 INFO L443 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2019-10-15 01:19:21,606 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 172) no Hoare annotation was computed. [2019-10-15 01:19:21,606 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2019-10-15 01:19:21,606 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-15 01:19:21,607 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2019-10-15 01:19:21,607 INFO L443 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2019-10-15 01:19:21,607 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2019-10-15 01:19:21,607 INFO L439 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-15 01:19:21,607 INFO L443 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2019-10-15 01:19:21,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:19:21 BoogieIcfgContainer [2019-10-15 01:19:21,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:19:21,624 INFO L168 Benchmark]: Toolchain (without parser) took 16629.58 ms. Allocated memory was 141.0 MB in the beginning and 455.1 MB in the end (delta: 314.0 MB). Free memory was 100.0 MB in the beginning and 206.2 MB in the end (delta: -106.2 MB). Peak memory consumption was 332.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:21,625 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-15 01:19:21,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 690.02 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 167.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:21,626 INFO L168 Benchmark]: Boogie Preprocessor took 85.72 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:21,627 INFO L168 Benchmark]: RCFGBuilder took 1221.78 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.5 MB in the beginning and 195.1 MB in the end (delta: -31.6 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:21,628 INFO L168 Benchmark]: TraceAbstraction took 14627.26 ms. Allocated memory was 229.6 MB in the beginning and 455.1 MB in the end (delta: 225.4 MB). Free memory was 195.1 MB in the beginning and 206.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 338.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:19:21,632 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 141.0 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 690.02 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 167.9 MB in the end (delta: -68.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.72 ms. Allocated memory is still 200.8 MB. Free memory was 167.9 MB in the beginning and 163.5 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1221.78 ms. Allocated memory was 200.8 MB in the beginning and 229.6 MB in the end (delta: 28.8 MB). Free memory was 163.5 MB in the beginning and 195.1 MB in the end (delta: -31.6 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14627.26 ms. Allocated memory was 229.6 MB in the beginning and 455.1 MB in the end (delta: 225.4 MB). Free memory was 195.1 MB in the beginning and 206.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 338.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((!(systemActive == 1) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Result: SAFE, OverallTime: 14.5s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.7s, HoareTripleCheckerStatistics: 2075 SDtfs, 1140 SDslu, 4772 SDs, 0 SdLazy, 1869 SolverSat, 379 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 938 GetRequests, 825 SyntacticMatches, 13 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=895occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 168 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1887 PreInvPairs, 2013 NumberOfFragments, 1572 HoareAnnotationTreeSize, 1887 FomulaSimplifications, 4019 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 60 FomulaSimplificationsInter, 10684 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1478 NumberOfCodeBlocks, 1478 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1868 ConstructedInterpolants, 0 QuantifiedInterpolants, 347429 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2519 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 290/306 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...