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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:07,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:07,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:07,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:07,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:07,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:07,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:07,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:07,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:07,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:07,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:07,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:07,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:07,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:07,750 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:07,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:07,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:07,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:07,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:07,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:07,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:07,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:07,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:07,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:07,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:07,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:07,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:07,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:07,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:07,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:07,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:07,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:07,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:07,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:07,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:07,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:07,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:07,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:07,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:07,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:07,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:07,785 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 [2019-10-13 21:20:07,800 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:07,801 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:07,803 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:07,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:07,804 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:07,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:07,804 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:07,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:07,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:07,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:07,805 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:07,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:07,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:07,806 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:07,806 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:07,806 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:07,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:07,807 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:07,807 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:07,807 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:07,808 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:07,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:07,808 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:07,808 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:07,808 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:07,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:07,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:07,809 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:07,809 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 [2019-10-13 21:20:08,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:08,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:08,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:08,131 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:08,131 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:08,132 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2019-10-13 21:20:08,193 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab642966/cecc65f8c42749c4afa6af1122cbeb5c/FLAG73e6af65b [2019-10-13 21:20:08,708 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:08,714 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product62.cil.c [2019-10-13 21:20:08,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab642966/cecc65f8c42749c4afa6af1122cbeb5c/FLAG73e6af65b [2019-10-13 21:20:09,033 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ab642966/cecc65f8c42749c4afa6af1122cbeb5c [2019-10-13 21:20:09,043 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:09,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:09,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:09,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:09,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:09,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@507cfa22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09, skipping insertion in model container [2019-10-13 21:20:09,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,060 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:09,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:09,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:09,558 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:09,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:09,713 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:09,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09 WrapperNode [2019-10-13 21:20:09,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:09,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:09,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:09,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:09,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (1/1) ... [2019-10-13 21:20:09,833 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:09,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:09,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:09,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:09,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (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 [2019-10-13 21:20:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:09,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:09,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:09,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:20:09,924 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:09,925 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:09,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:09,927 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:09,928 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:09,929 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:20:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:09,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:09,930 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:09,931 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:09,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:09,933 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:09,934 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:09,935 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:09,936 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:09,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:09,941 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:11,172 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:11,172 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:11,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:11 BoogieIcfgContainer [2019-10-13 21:20:11,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:11,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:11,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:11,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:11,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:09" (1/3) ... [2019-10-13 21:20:11,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8bf988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:11, skipping insertion in model container [2019-10-13 21:20:11,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:09" (2/3) ... [2019-10-13 21:20:11,182 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8bf988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:11, skipping insertion in model container [2019-10-13 21:20:11,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:11" (3/3) ... [2019-10-13 21:20:11,185 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2019-10-13 21:20:11,196 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:11,206 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:11,217 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:11,259 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:11,259 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:11,260 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:11,260 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:11,260 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:11,260 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:11,260 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:11,260 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:11,283 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2019-10-13 21:20:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:11,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,296 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] [2019-10-13 21:20:11,298 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1419538001, now seen corresponding path program 1 times [2019-10-13 21:20:11,315 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,315 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66974139] [2019-10-13 21:20:11,315 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,316 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:11,712 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66974139] [2019-10-13 21:20:11,713 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:11,715 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:11,715 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841969442] [2019-10-13 21:20:11,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:11,724 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:11,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:11,752 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2019-10-13 21:20:11,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:11,805 INFO L93 Difference]: Finished difference Result 308 states and 383 transitions. [2019-10-13 21:20:11,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:11,806 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:11,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:11,820 INFO L225 Difference]: With dead ends: 308 [2019-10-13 21:20:11,820 INFO L226 Difference]: Without dead ends: 154 [2019-10-13 21:20:11,825 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 [2019-10-13 21:20:11,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2019-10-13 21:20:11,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2019-10-13 21:20:11,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2019-10-13 21:20:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 183 transitions. [2019-10-13 21:20:11,887 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 183 transitions. Word has length 46 [2019-10-13 21:20:11,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:11,888 INFO L462 AbstractCegarLoop]: Abstraction has 154 states and 183 transitions. [2019-10-13 21:20:11,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:11,888 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 183 transitions. [2019-10-13 21:20:11,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:11,892 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:11,892 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] [2019-10-13 21:20:11,893 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:11,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:11,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1353902391, now seen corresponding path program 1 times [2019-10-13 21:20:11,894 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:11,894 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962262620] [2019-10-13 21:20:11,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,894 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:11,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:12,016 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962262620] [2019-10-13 21:20:12,016 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,016 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:12,016 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897050536] [2019-10-13 21:20:12,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:12,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:12,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:12,020 INFO L87 Difference]: Start difference. First operand 154 states and 183 transitions. Second operand 3 states. [2019-10-13 21:20:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,064 INFO L93 Difference]: Finished difference Result 253 states and 301 transitions. [2019-10-13 21:20:12,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:12,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,068 INFO L225 Difference]: With dead ends: 253 [2019-10-13 21:20:12,068 INFO L226 Difference]: Without dead ends: 145 [2019-10-13 21:20:12,070 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 [2019-10-13 21:20:12,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-13 21:20:12,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-13 21:20:12,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-13 21:20:12,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 171 transitions. [2019-10-13 21:20:12,087 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 171 transitions. Word has length 47 [2019-10-13 21:20:12,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,087 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 171 transitions. [2019-10-13 21:20:12,087 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:12,088 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 171 transitions. [2019-10-13 21:20:12,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:12,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,090 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] [2019-10-13 21:20:12,090 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,091 INFO L82 PathProgramCache]: Analyzing trace with hash -480372053, now seen corresponding path program 1 times [2019-10-13 21:20:12,091 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492641143] [2019-10-13 21:20:12,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:12,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492641143] [2019-10-13 21:20:12,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:12,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032251955] [2019-10-13 21:20:12,249 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:12,249 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:12,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:12,250 INFO L87 Difference]: Start difference. First operand 145 states and 171 transitions. Second operand 7 states. [2019-10-13 21:20:12,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,656 INFO L93 Difference]: Finished difference Result 266 states and 319 transitions. [2019-10-13 21:20:12,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:12,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:20:12,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,660 INFO L225 Difference]: With dead ends: 266 [2019-10-13 21:20:12,660 INFO L226 Difference]: Without dead ends: 145 [2019-10-13 21:20:12,662 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-13 21:20:12,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2019-10-13 21:20:12,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2019-10-13 21:20:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2019-10-13 21:20:12,683 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 52 [2019-10-13 21:20:12,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,683 INFO L462 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2019-10-13 21:20:12,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2019-10-13 21:20:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:20:12,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,687 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] [2019-10-13 21:20:12,687 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1922469070, now seen corresponding path program 1 times [2019-10-13 21:20:12,688 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,688 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983811766] [2019-10-13 21:20:12,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:12,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983811766] [2019-10-13 21:20:12,837 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:12,837 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:12,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350581133] [2019-10-13 21:20:12,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:12,839 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:12,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:12,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:12,839 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 5 states. [2019-10-13 21:20:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,424 INFO L93 Difference]: Finished difference Result 380 states and 460 transitions. [2019-10-13 21:20:13,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:13,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:20:13,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,433 INFO L225 Difference]: With dead ends: 380 [2019-10-13 21:20:13,433 INFO L226 Difference]: Without dead ends: 259 [2019-10-13 21:20:13,435 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:13,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2019-10-13 21:20:13,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 240. [2019-10-13 21:20:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2019-10-13 21:20:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 272 transitions. [2019-10-13 21:20:13,495 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 272 transitions. Word has length 70 [2019-10-13 21:20:13,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,495 INFO L462 AbstractCegarLoop]: Abstraction has 240 states and 272 transitions. [2019-10-13 21:20:13,495 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:13,495 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 272 transitions. [2019-10-13 21:20:13,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:20:13,498 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,499 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, 1, 1] [2019-10-13 21:20:13,499 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,499 INFO L82 PathProgramCache]: Analyzing trace with hash 371744810, now seen corresponding path program 1 times [2019-10-13 21:20:13,500 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68843690] [2019-10-13 21:20:13,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:13,648 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68843690] [2019-10-13 21:20:13,648 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:13,648 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:13,649 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022745611] [2019-10-13 21:20:13,649 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:13,649 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:13,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:13,650 INFO L87 Difference]: Start difference. First operand 240 states and 272 transitions. Second operand 6 states. [2019-10-13 21:20:13,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,888 INFO L93 Difference]: Finished difference Result 657 states and 766 transitions. [2019-10-13 21:20:13,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:20:13,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,896 INFO L225 Difference]: With dead ends: 657 [2019-10-13 21:20:13,899 INFO L226 Difference]: Without dead ends: 441 [2019-10-13 21:20:13,901 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 [2019-10-13 21:20:13,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-10-13 21:20:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2019-10-13 21:20:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-13 21:20:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 494 transitions. [2019-10-13 21:20:13,962 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 494 transitions. Word has length 84 [2019-10-13 21:20:13,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:13,963 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 494 transitions. [2019-10-13 21:20:13,963 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 494 transitions. [2019-10-13 21:20:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:20:13,966 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:13,966 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, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:13,966 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:13,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:13,967 INFO L82 PathProgramCache]: Analyzing trace with hash 861472934, now seen corresponding path program 1 times [2019-10-13 21:20:13,967 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:13,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858047231] [2019-10-13 21:20:13,967 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,968 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:13,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:14,142 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858047231] [2019-10-13 21:20:14,143 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:14,144 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437728837] [2019-10-13 21:20:14,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:14,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:14,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:14,145 INFO L87 Difference]: Start difference. First operand 435 states and 494 transitions. Second operand 7 states. [2019-10-13 21:20:14,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:14,831 INFO L93 Difference]: Finished difference Result 470 states and 548 transitions. [2019-10-13 21:20:14,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:14,831 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2019-10-13 21:20:14,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:14,835 INFO L225 Difference]: With dead ends: 470 [2019-10-13 21:20:14,835 INFO L226 Difference]: Without dead ends: 467 [2019-10-13 21:20:14,836 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:14,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2019-10-13 21:20:14,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 435. [2019-10-13 21:20:14,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-13 21:20:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 493 transitions. [2019-10-13 21:20:14,864 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 493 transitions. Word has length 88 [2019-10-13 21:20:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,865 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 493 transitions. [2019-10-13 21:20:14,865 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 493 transitions. [2019-10-13 21:20:14,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:20:14,867 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:14,867 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, 1, 1] [2019-10-13 21:20:14,868 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1149093276, now seen corresponding path program 1 times [2019-10-13 21:20:14,868 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:14,869 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029272604] [2019-10-13 21:20:14,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,869 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:14,869 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:14,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029272604] [2019-10-13 21:20:14,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:14,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:14,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096807328] [2019-10-13 21:20:14,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:14,955 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:14,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:14,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:14,957 INFO L87 Difference]: Start difference. First operand 435 states and 493 transitions. Second operand 6 states. [2019-10-13 21:20:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,005 INFO L93 Difference]: Finished difference Result 860 states and 998 transitions. [2019-10-13 21:20:15,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:15,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2019-10-13 21:20:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,011 INFO L225 Difference]: With dead ends: 860 [2019-10-13 21:20:15,011 INFO L226 Difference]: Without dead ends: 449 [2019-10-13 21:20:15,012 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 [2019-10-13 21:20:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-13 21:20:15,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 445. [2019-10-13 21:20:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-13 21:20:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 503 transitions. [2019-10-13 21:20:15,044 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 503 transitions. Word has length 104 [2019-10-13 21:20:15,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,045 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 503 transitions. [2019-10-13 21:20:15,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:15,045 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 503 transitions. [2019-10-13 21:20:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:20:15,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,055 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, 1, 1] [2019-10-13 21:20:15,055 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1502181658, now seen corresponding path program 1 times [2019-10-13 21:20:15,056 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578032016] [2019-10-13 21:20:15,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:15,182 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578032016] [2019-10-13 21:20:15,182 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:15,182 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:15,183 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542190541] [2019-10-13 21:20:15,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:15,184 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:15,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:15,185 INFO L87 Difference]: Start difference. First operand 445 states and 503 transitions. Second operand 8 states. [2019-10-13 21:20:15,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,246 INFO L93 Difference]: Finished difference Result 880 states and 1020 transitions. [2019-10-13 21:20:15,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:15,247 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2019-10-13 21:20:15,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,252 INFO L225 Difference]: With dead ends: 880 [2019-10-13 21:20:15,252 INFO L226 Difference]: Without dead ends: 459 [2019-10-13 21:20:15,254 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 [2019-10-13 21:20:15,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-13 21:20:15,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 453. [2019-10-13 21:20:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2019-10-13 21:20:15,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 511 transitions. [2019-10-13 21:20:15,290 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 511 transitions. Word has length 104 [2019-10-13 21:20:15,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,290 INFO L462 AbstractCegarLoop]: Abstraction has 453 states and 511 transitions. [2019-10-13 21:20:15,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 511 transitions. [2019-10-13 21:20:15,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:20:15,293 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,294 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, 1, 1] [2019-10-13 21:20:15,294 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,294 INFO L82 PathProgramCache]: Analyzing trace with hash -368991065, now seen corresponding path program 1 times [2019-10-13 21:20:15,294 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,295 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952624058] [2019-10-13 21:20:15,295 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,295 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:15,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952624058] [2019-10-13 21:20:15,460 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:15,460 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:15,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287881669] [2019-10-13 21:20:15,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:15,461 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:15,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:15,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:15,461 INFO L87 Difference]: Start difference. First operand 453 states and 511 transitions. Second operand 4 states. [2019-10-13 21:20:15,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:15,719 INFO L93 Difference]: Finished difference Result 1353 states and 1602 transitions. [2019-10-13 21:20:15,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:15,720 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-10-13 21:20:15,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:15,726 INFO L225 Difference]: With dead ends: 1353 [2019-10-13 21:20:15,726 INFO L226 Difference]: Without dead ends: 924 [2019-10-13 21:20:15,728 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 [2019-10-13 21:20:15,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2019-10-13 21:20:15,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 909. [2019-10-13 21:20:15,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2019-10-13 21:20:15,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1055 transitions. [2019-10-13 21:20:15,782 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1055 transitions. Word has length 104 [2019-10-13 21:20:15,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:15,783 INFO L462 AbstractCegarLoop]: Abstraction has 909 states and 1055 transitions. [2019-10-13 21:20:15,783 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:15,783 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1055 transitions. [2019-10-13 21:20:15,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-10-13 21:20:15,785 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:15,786 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, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:15,786 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:15,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:15,786 INFO L82 PathProgramCache]: Analyzing trace with hash 38573473, now seen corresponding path program 1 times [2019-10-13 21:20:15,786 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:15,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061071799] [2019-10-13 21:20:15,787 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,787 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:15,787 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:15,966 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061071799] [2019-10-13 21:20:15,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477742147] [2019-10-13 21:20:15,967 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 [2019-10-13 21:20:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:16,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:16,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:16,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:16,448 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:17,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:17,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:17,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:17,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930149769] [2019-10-13 21:20:17,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:17,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:17,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:17,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:17,770 INFO L87 Difference]: Start difference. First operand 909 states and 1055 transitions. Second operand 8 states. [2019-10-13 21:20:18,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:18,083 INFO L93 Difference]: Finished difference Result 1764 states and 2059 transitions. [2019-10-13 21:20:18,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:18,083 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2019-10-13 21:20:18,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:18,091 INFO L225 Difference]: With dead ends: 1764 [2019-10-13 21:20:18,092 INFO L226 Difference]: Without dead ends: 879 [2019-10-13 21:20:18,095 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 198 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:18,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2019-10-13 21:20:18,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 879. [2019-10-13 21:20:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2019-10-13 21:20:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1006 transitions. [2019-10-13 21:20:18,168 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1006 transitions. Word has length 108 [2019-10-13 21:20:18,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:18,169 INFO L462 AbstractCegarLoop]: Abstraction has 879 states and 1006 transitions. [2019-10-13 21:20:18,169 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1006 transitions. [2019-10-13 21:20:18,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-13 21:20:18,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:18,177 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:18,383 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:18,384 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:18,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:18,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1651086566, now seen corresponding path program 1 times [2019-10-13 21:20:18,384 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:18,385 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799553516] [2019-10-13 21:20:18,385 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:18,385 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:18,385 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,543 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 21:20:18,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799553516] [2019-10-13 21:20:18,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695383440] [2019-10-13 21:20:18,544 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 [2019-10-13 21:20:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:18,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:20:18,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-13 21:20:18,906 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-10-13 21:20:19,208 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:19,208 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2019-10-13 21:20:19,208 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798158842] [2019-10-13 21:20:19,209 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:19,209 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:19,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:19,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:19,210 INFO L87 Difference]: Start difference. First operand 879 states and 1006 transitions. Second operand 5 states. [2019-10-13 21:20:19,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:19,856 INFO L93 Difference]: Finished difference Result 1838 states and 2209 transitions. [2019-10-13 21:20:19,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:19,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 182 [2019-10-13 21:20:19,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:19,864 INFO L225 Difference]: With dead ends: 1838 [2019-10-13 21:20:19,864 INFO L226 Difference]: Without dead ends: 1121 [2019-10-13 21:20:19,866 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 364 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:20:19,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1121 states. [2019-10-13 21:20:19,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1121 to 1053. [2019-10-13 21:20:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2019-10-13 21:20:19,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1228 transitions. [2019-10-13 21:20:19,934 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1228 transitions. Word has length 182 [2019-10-13 21:20:19,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:19,935 INFO L462 AbstractCegarLoop]: Abstraction has 1053 states and 1228 transitions. [2019-10-13 21:20:19,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:19,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1228 transitions. [2019-10-13 21:20:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 21:20:19,940 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:19,941 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:20,146 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:20,147 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:20,148 INFO L82 PathProgramCache]: Analyzing trace with hash 118260142, now seen corresponding path program 1 times [2019-10-13 21:20:20,148 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:20,149 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56651631] [2019-10-13 21:20:20,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:20,149 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:20,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:20,306 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:20,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56651631] [2019-10-13 21:20:20,307 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879146592] [2019-10-13 21:20:20,307 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 [2019-10-13 21:20:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:20,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 956 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:20,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:20,679 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-13 21:20:21,269 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:21,269 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:21,269 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491243548] [2019-10-13 21:20:21,270 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:21,270 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:21,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:21,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:21,271 INFO L87 Difference]: Start difference. First operand 1053 states and 1228 transitions. Second operand 8 states. [2019-10-13 21:20:21,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:21,559 INFO L93 Difference]: Finished difference Result 1813 states and 2148 transitions. [2019-10-13 21:20:21,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:21,559 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2019-10-13 21:20:21,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:21,561 INFO L225 Difference]: With dead ends: 1813 [2019-10-13 21:20:21,561 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:21,565 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:21,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:21,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:21,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:21,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2019-10-13 21:20:21,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:21,567 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:21,567 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:21,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:21,773 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:21,777 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:23,058 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 30 [2019-10-13 21:20:23,672 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 22 [2019-10-13 21:20:23,803 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 27 [2019-10-13 21:20:24,110 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2019-10-13 21:20:24,383 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-10-13 21:20:24,501 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 19 [2019-10-13 21:20:24,715 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2019-10-13 21:20:24,846 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 20 [2019-10-13 21:20:24,988 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-13 21:20:25,137 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-13 21:20:25,789 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 39 [2019-10-13 21:20:25,903 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 19 [2019-10-13 21:20:26,265 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 24 [2019-10-13 21:20:26,469 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 19 [2019-10-13 21:20:26,974 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2019-10-13 21:20:27,197 INFO L443 ceAbstractionStarter]: For program point L507(lines 484 508) no Hoare annotation was computed. [2019-10-13 21:20:27,197 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 460 515) no Hoare annotation was computed. [2019-10-13 21:20:27,197 INFO L443 ceAbstractionStarter]: For program point L491(lines 491 495) no Hoare annotation was computed. [2019-10-13 21:20:27,197 INFO L443 ceAbstractionStarter]: For program point L491-1(lines 491 495) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 460 515) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L485-2(lines 485 506) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 460 515) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L542-2(lines 542 567) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L568(lines 541 569) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 516 575) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 516 575) no Hoare annotation was computed. [2019-10-13 21:20:27,198 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 516 575) no Hoare annotation was computed. [2019-10-13 21:20:27,199 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2019-10-13 21:20:27,199 INFO L443 ceAbstractionStarter]: For program point L548-1(lines 548 552) no Hoare annotation was computed. [2019-10-13 21:20:27,199 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2019-10-13 21:20:27,199 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2019-10-13 21:20:27,199 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2019-10-13 21:20:27,199 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2019-10-13 21:20:27,199 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2019-10-13 21:20:27,199 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,200 INFO L439 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-10-13 21:20:27,200 INFO L439 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-10-13 21:20:27,200 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2019-10-13 21:20:27,200 INFO L443 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2019-10-13 21:20:27,200 INFO L443 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2019-10-13 21:20:27,200 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-10-13 21:20:27,201 INFO L439 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,201 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,201 INFO L439 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,201 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2019-10-13 21:20:27,201 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 805 828) no Hoare annotation was computed. [2019-10-13 21:20:27,201 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 805 828) no Hoare annotation was computed. [2019-10-13 21:20:27,201 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 805 828) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L822(line 822) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L821(line 821) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L820(line 820) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L819(line 819) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L817(line 817) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L816(line 816) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L815(line 815) no Hoare annotation was computed. [2019-10-13 21:20:27,202 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-10-13 21:20:27,203 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-10-13 21:20:27,203 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-10-13 21:20:27,203 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-10-13 21:20:27,203 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-10-13 21:20:27,203 INFO L439 ceAbstractionStarter]: At program point L127(line 127) 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))) [2019-10-13 21:20:27,203 INFO L439 ceAbstractionStarter]: At program point L123(line 123) 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))) [2019-10-13 21:20:27,203 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-10-13 21:20:27,204 INFO L439 ceAbstractionStarter]: At program point L119(line 119) 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))) [2019-10-13 21:20:27,204 INFO L443 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2019-10-13 21:20:27,204 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2019-10-13 21:20:27,204 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) 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))))) [2019-10-13 21:20:27,204 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2019-10-13 21:20:27,204 INFO L439 ceAbstractionStarter]: At program point L132(line 132) 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))) [2019-10-13 21:20:27,204 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2019-10-13 21:20:27,205 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2019-10-13 21:20:27,205 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2019-10-13 21:20:27,205 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2019-10-13 21:20:27,205 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2019-10-13 21:20:27,205 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2019-10-13 21:20:27,205 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-13 21:20:27,205 INFO L443 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2019-10-13 21:20:27,205 INFO L443 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2019-10-13 21:20:27,205 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point L247(line 247) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point L247-1(line 247) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 244) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point L236-2(lines 236 244) no Hoare annotation was computed. [2019-10-13 21:20:27,206 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 217 252) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 414 459) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 414 459) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 414 459) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 727 772) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 754) no Hoare annotation was computed. [2019-10-13 21:20:27,207 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 727 772) no Hoare annotation was computed. [2019-10-13 21:20:27,208 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 727 772) no Hoare annotation was computed. [2019-10-13 21:20:27,208 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 761) no Hoare annotation was computed. [2019-10-13 21:20:27,208 INFO L443 ceAbstractionStarter]: For program point L741-1(lines 741 761) no Hoare annotation was computed. [2019-10-13 21:20:27,208 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,208 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2019-10-13 21:20:27,208 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2019-10-13 21:20:27,208 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2019-10-13 21:20:27,208 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-13 21:20:27,209 INFO L443 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) 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))) [2019-10-13 21:20:27,209 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L443 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2019-10-13 21:20:27,209 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2019-10-13 21:20:27,210 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2019-10-13 21:20:27,210 INFO L439 ceAbstractionStarter]: At program point L158(line 158) 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))) [2019-10-13 21:20:27,210 INFO L443 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2019-10-13 21:20:27,210 INFO L439 ceAbstractionStarter]: At program point L153(line 153) 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))) [2019-10-13 21:20:27,210 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2019-10-13 21:20:27,210 INFO L439 ceAbstractionStarter]: At program point L149(line 149) 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 .cse2 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse2 .cse1 .cse4))) [2019-10-13 21:20:27,210 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) 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))))) [2019-10-13 21:20:27,210 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2019-10-13 21:20:27,211 INFO L439 ceAbstractionStarter]: At program point L145(line 145) 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))) [2019-10-13 21:20:27,211 INFO L443 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2019-10-13 21:20:27,211 INFO L443 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2019-10-13 21:20:27,211 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2019-10-13 21:20:27,211 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2019-10-13 21:20:27,211 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,211 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2019-10-13 21:20:27,211 INFO L439 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,211 INFO L443 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2019-10-13 21:20:27,212 INFO L439 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,212 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-13 21:20:27,212 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2019-10-13 21:20:27,212 INFO L439 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-10-13 21:20:27,212 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2019-10-13 21:20:27,212 INFO L443 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2019-10-13 21:20:27,212 INFO L439 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)))) [2019-10-13 21:20:27,212 INFO L439 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:27,212 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L439 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 708) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 681 726) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 715) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point L695-1(lines 695 715) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 681 726) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 681 726) no Hoare annotation was computed. [2019-10-13 21:20:27,213 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) 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))) [2019-10-13 21:20:27,213 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point L926(lines 926 934) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point L926-2(lines 926 934) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 918 940) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 918 940) no Hoare annotation was computed. [2019-10-13 21:20:27,214 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 918 940) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 374 383) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 374 383) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 374 383) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point L607(lines 607 623) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 578 680) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point L667(lines 667 674) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 647) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2019-10-13 21:20:27,215 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 665) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 578 680) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point L643(line 643) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point L643-1(line 643) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point L602(lines 602 606) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point L666(lines 666 677) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 578 680) no Hoare annotation was computed. [2019-10-13 21:20:27,216 INFO L443 ceAbstractionStarter]: For program point L627-2(lines 627 647) no Hoare annotation was computed. [2019-10-13 21:20:27,217 INFO L443 ceAbstractionStarter]: For program point L648(lines 626 649) no Hoare annotation was computed. [2019-10-13 21:20:27,217 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,217 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)) [2019-10-13 21:20:27,217 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,217 INFO L439 ceAbstractionStarter]: At program point L177(line 177) 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))) [2019-10-13 21:20:27,217 INFO L443 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2019-10-13 21:20:27,217 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2019-10-13 21:20:27,217 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) 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))) [2019-10-13 21:20:27,218 INFO L439 ceAbstractionStarter]: At program point L183(line 183) 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))) [2019-10-13 21:20:27,218 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2019-10-13 21:20:27,218 INFO L443 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2019-10-13 21:20:27,218 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2019-10-13 21:20:27,218 INFO L443 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:20:27,218 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2019-10-13 21:20:27,218 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2019-10-13 21:20:27,218 INFO L446 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2019-10-13 21:20:27,218 INFO L443 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 941 949) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 941 949) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 941 949) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) 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))) [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2019-10-13 21:20:27,219 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,220 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,220 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,220 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2019-10-13 21:20:27,220 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2019-10-13 21:20:27,220 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2019-10-13 21:20:27,220 INFO L439 ceAbstractionStarter]: At program point L61(line 61) 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))) [2019-10-13 21:20:27,220 INFO L443 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2019-10-13 21:20:27,220 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) 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)))) [2019-10-13 21:20:27,221 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2019-10-13 21:20:27,221 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2019-10-13 21:20:27,221 INFO L439 ceAbstractionStarter]: At program point L68(line 68) 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)))) [2019-10-13 21:20:27,221 INFO L439 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse10 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not .cse3)) (.cse7 (and .cse4 .cse1)) (.cse5 (not .cse10)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (and (= 1 ~systemActive~0) .cse4 (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 (and .cse5 .cse6) .cse2) (or (and (<= 2 ~waterLevel~0) .cse6) .cse7 .cse2 (and .cse1 .cse6) .cse8 .cse9) (or .cse10 .cse0 .cse4 .cse2 .cse11) (or .cse4 .cse2 .cse11 .cse8 .cse10) (or .cse3 .cse7 .cse5 .cse2 .cse8 .cse9)))) [2019-10-13 21:20:27,221 INFO L446 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2019-10-13 21:20:27,221 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2019-10-13 21:20:27,221 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2019-10-13 21:20:27,221 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-10-13 21:20:27,222 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-10-13 21:20:27,222 INFO L446 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2019-10-13 21:20:27,222 INFO L443 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2019-10-13 21:20:27,222 INFO L446 ceAbstractionStarter]: At program point L785-2(lines 785 799) the Hoare annotation is: true [2019-10-13 21:20:27,222 INFO L446 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2019-10-13 21:20:27,222 INFO L443 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2019-10-13 21:20:27,222 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) 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)))) [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2019-10-13 21:20:27,223 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,223 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)) [2019-10-13 21:20:27,223 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2019-10-13 21:20:27,223 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2019-10-13 21:20:27,223 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2019-10-13 21:20:27,223 INFO L439 ceAbstractionStarter]: At program point L97(line 97) 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))))) [2019-10-13 21:20:27,224 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) 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))))) [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L439 ceAbstractionStarter]: At program point L93(line 93) 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))) [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L439 ceAbstractionStarter]: At program point L106(line 106) 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))) [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L439 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0 .cse3))) [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L443 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2019-10-13 21:20:27,224 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) 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))) [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L439 ceAbstractionStarter]: At program point L989(line 989) 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))))) [2019-10-13 21:20:27,225 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L439 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2019-10-13 21:20:27,225 INFO L443 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2019-10-13 21:20:27,226 INFO L446 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2019-10-13 21:20:27,226 INFO L443 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2019-10-13 21:20:27,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:27 BoogieIcfgContainer [2019-10-13 21:20:27,240 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:27,242 INFO L168 Benchmark]: Toolchain (without parser) took 18197.26 ms. Allocated memory was 138.4 MB in the beginning and 503.8 MB in the end (delta: 365.4 MB). Free memory was 101.8 MB in the beginning and 331.1 MB in the end (delta: -229.3 MB). Peak memory consumption was 381.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,243 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.10 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 167.6 MB in the end (delta: -66.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,244 INFO L168 Benchmark]: Boogie Preprocessor took 119.89 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 162.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,245 INFO L168 Benchmark]: RCFGBuilder took 1336.78 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 162.9 MB in the beginning and 190.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,246 INFO L168 Benchmark]: TraceAbstraction took 16065.41 ms. Allocated memory was 235.4 MB in the beginning and 503.8 MB in the end (delta: 268.4 MB). Free memory was 190.6 MB in the beginning and 331.1 MB in the end (delta: -140.5 MB). Peak memory consumption was 373.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:27,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.10 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.6 MB in the beginning and 167.6 MB in the end (delta: -66.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.89 ms. Allocated memory is still 202.4 MB. Free memory was 167.6 MB in the beginning and 162.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1336.78 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 162.9 MB in the beginning and 190.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 80.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16065.41 ms. Allocated memory was 235.4 MB in the beginning and 503.8 MB in the end (delta: 268.4 MB). Free memory was 190.6 MB in the beginning and 331.1 MB in the end (delta: -140.5 MB). Peak memory consumption was 373.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0) - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Result: SAFE, OverallTime: 15.9s, OverallIterations: 12, TraceHistogramMax: 4, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.4s, HoareTripleCheckerStatistics: 2449 SDtfs, 1304 SDslu, 4661 SDs, 0 SdLazy, 2122 SolverSat, 406 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1068 GetRequests, 953 SyntacticMatches, 15 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1053occurred 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 150 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2343 PreInvPairs, 2483 NumberOfFragments, 1891 HoareAnnotationTreeSize, 2343 FomulaSimplifications, 4713 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 11956 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1635 NumberOfCodeBlocks, 1635 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2085 ConstructedInterpolants, 0 QuantifiedInterpolants, 426173 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2710 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 328/348 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...