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_spec3_product57.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:21:25,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:21:25,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:21:25,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:21:25,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:21:25,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:21:25,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:21:25,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:21:25,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:21:25,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:21:25,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:21:25,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:21:25,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:21:25,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:21:25,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:21:25,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:21:25,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:21:25,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:21:25,835 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:21:25,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:21:25,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:21:25,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:21:25,840 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:21:25,841 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:21:25,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:21:25,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:21:25,843 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:21:25,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:21:25,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:21:25,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:21:25,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:21:25,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:21:25,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:21:25,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:21:25,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:21:25,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:21:25,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:21:25,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:21:25,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:21:25,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:21:25,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:21:25,853 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 21:21:25,869 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:21:25,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:21:25,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:21:25,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:21:25,871 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:21:25,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:21:25,871 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:21:25,872 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:21:25,872 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:21:25,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:21:25,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:21:25,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:21:25,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:21:25,873 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:21:25,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:21:25,873 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:21:25,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:21:25,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:21:25,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:21:25,874 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:21:25,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:21:25,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:21:25,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:21:25,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:21:25,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:21:25,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:21:25,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:21:25,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:21:25,876 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 21:21:26,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:21:26,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:21:26,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:21:26,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:21:26,211 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:21:26,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-10-13 21:21:26,286 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948c4671d/958f6477cf204ca1b40a249f095c31ca/FLAG8c246a1a7 [2019-10-13 21:21:26,739 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:21:26,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product57.cil.c [2019-10-13 21:21:26,758 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948c4671d/958f6477cf204ca1b40a249f095c31ca/FLAG8c246a1a7 [2019-10-13 21:21:27,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/948c4671d/958f6477cf204ca1b40a249f095c31ca [2019-10-13 21:21:27,075 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:21:27,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:21:27,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:27,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:21:27,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:21:27,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad58572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27, skipping insertion in model container [2019-10-13 21:21:27,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,095 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:21:27,156 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:21:27,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:27,591 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:21:27,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:21:27,751 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:21:27,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27 WrapperNode [2019-10-13 21:21:27,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:21:27,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:21:27,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:21:27,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:21:27,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (1/1) ... [2019-10-13 21:21:27,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:21:27,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:21:27,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:21:27,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:21:27,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (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 21:21:27,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:21:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:21:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:27,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:21:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:21:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:21:27,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:21:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:21:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:21:27,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:21:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:21:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:21:27,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:21:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:21:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:21:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:21:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:21:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:21:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:21:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:21:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:21:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:21:27,970 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:21:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:21:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:21:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:21:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:21:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:21:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:21:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:21:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:21:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:21:27,974 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:21:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:21:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:21:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:21:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:21:27,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:21:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:21:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:21:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:21:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:21:27,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:21:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:21:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:21:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-13 21:21:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:21:27,977 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:21:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:21:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:21:27,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:21:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:21:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:21:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:21:27,979 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:21:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:21:27,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:21:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:21:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:21:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:21:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:21:27,981 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:21:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:21:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:21:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:21:27,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:21:29,200 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:21:29,200 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:21:29,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:29 BoogieIcfgContainer [2019-10-13 21:21:29,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:21:29,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:21:29,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:21:29,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:21:29,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:21:27" (1/3) ... [2019-10-13 21:21:29,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad3264d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:29, skipping insertion in model container [2019-10-13 21:21:29,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:21:27" (2/3) ... [2019-10-13 21:21:29,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad3264d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:21:29, skipping insertion in model container [2019-10-13 21:21:29,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:21:29" (3/3) ... [2019-10-13 21:21:29,215 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57.cil.c [2019-10-13 21:21:29,226 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:21:29,236 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:21:29,248 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:21:29,290 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:21:29,290 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:21:29,290 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:21:29,291 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:21:29,291 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:21:29,291 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:21:29,291 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:21:29,291 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:21:29,315 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2019-10-13 21:21:29,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:21:29,327 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,328 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 21:21:29,331 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1038310593, now seen corresponding path program 1 times [2019-10-13 21:21:29,347 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,347 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14042620] [2019-10-13 21:21:29,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:29,683 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 21:21:29,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14042620] [2019-10-13 21:21:29,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:29,687 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:21:29,690 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579411235] [2019-10-13 21:21:29,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:21:29,699 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:29,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:21:29,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:21:29,719 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2019-10-13 21:21:29,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:29,792 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2019-10-13 21:21:29,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:21:29,794 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-13 21:21:29,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:29,808 INFO L225 Difference]: With dead ends: 292 [2019-10-13 21:21:29,808 INFO L226 Difference]: Without dead ends: 146 [2019-10-13 21:21:29,813 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 21:21:29,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2019-10-13 21:21:29,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2019-10-13 21:21:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2019-10-13 21:21:29,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2019-10-13 21:21:29,874 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2019-10-13 21:21:29,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:29,875 INFO L462 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2019-10-13 21:21:29,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:21:29,875 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2019-10-13 21:21:29,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-13 21:21:29,880 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:29,880 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] [2019-10-13 21:21:29,881 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:29,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:29,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2043760100, now seen corresponding path program 1 times [2019-10-13 21:21:29,882 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:29,882 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644390351] [2019-10-13 21:21:29,882 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,882 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:29,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,005 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 21:21:30,006 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644390351] [2019-10-13 21:21:30,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,007 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:21:30,007 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600530896] [2019-10-13 21:21:30,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:21:30,011 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:21:30,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:21:30,012 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2019-10-13 21:21:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,051 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2019-10-13 21:21:30,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:21:30,053 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-13 21:21:30,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,056 INFO L225 Difference]: With dead ends: 241 [2019-10-13 21:21:30,056 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 21:21:30,058 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 21:21:30,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 21:21:30,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 21:21:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 21:21:30,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2019-10-13 21:21:30,076 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2019-10-13 21:21:30,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,077 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2019-10-13 21:21:30,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:21:30,077 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2019-10-13 21:21:30,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-10-13 21:21:30,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,080 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:30,080 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,081 INFO L82 PathProgramCache]: Analyzing trace with hash -69539003, now seen corresponding path program 1 times [2019-10-13 21:21:30,081 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592363437] [2019-10-13 21:21:30,081 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,081 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,272 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 21:21:30,273 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592363437] [2019-10-13 21:21:30,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:21:30,274 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552872910] [2019-10-13 21:21:30,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:21:30,274 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:21:30,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:21:30,275 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2019-10-13 21:21:30,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:30,643 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2019-10-13 21:21:30,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:21:30,644 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2019-10-13 21:21:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:30,646 INFO L225 Difference]: With dead ends: 250 [2019-10-13 21:21:30,646 INFO L226 Difference]: Without dead ends: 137 [2019-10-13 21:21:30,648 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:30,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-13 21:21:30,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2019-10-13 21:21:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2019-10-13 21:21:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2019-10-13 21:21:30,672 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2019-10-13 21:21:30,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:30,672 INFO L462 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2019-10-13 21:21:30,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:21:30,673 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2019-10-13 21:21:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:21:30,681 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:30,681 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 21:21:30,681 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:30,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:30,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1758854223, now seen corresponding path program 1 times [2019-10-13 21:21:30,682 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:30,682 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017728447] [2019-10-13 21:21:30,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:30,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:30,858 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 21:21:30,859 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017728447] [2019-10-13 21:21:30,860 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:30,860 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:30,860 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24990177] [2019-10-13 21:21:30,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:30,862 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:30,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:30,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:30,863 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2019-10-13 21:21:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,416 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2019-10-13 21:21:31,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:31,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:21:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,424 INFO L225 Difference]: With dead ends: 358 [2019-10-13 21:21:31,424 INFO L226 Difference]: Without dead ends: 245 [2019-10-13 21:21:31,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:21:31,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2019-10-13 21:21:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2019-10-13 21:21:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2019-10-13 21:21:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2019-10-13 21:21:31,474 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2019-10-13 21:21:31,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,480 INFO L462 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2019-10-13 21:21:31,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2019-10-13 21:21:31,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:21:31,483 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,484 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 21:21:31,484 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,485 INFO L82 PathProgramCache]: Analyzing trace with hash 19039556, now seen corresponding path program 1 times [2019-10-13 21:21:31,485 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,485 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111726692] [2019-10-13 21:21:31,485 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:31,652 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 21:21:31,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111726692] [2019-10-13 21:21:31,653 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:31,653 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:31,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796253791] [2019-10-13 21:21:31,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:31,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:31,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:31,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:31,655 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2019-10-13 21:21:31,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:31,879 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2019-10-13 21:21:31,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:21:31,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-13 21:21:31,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:31,885 INFO L225 Difference]: With dead ends: 556 [2019-10-13 21:21:31,885 INFO L226 Difference]: Without dead ends: 353 [2019-10-13 21:21:31,887 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 21:21:31,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-13 21:21:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2019-10-13 21:21:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-13 21:21:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2019-10-13 21:21:31,917 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2019-10-13 21:21:31,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:31,917 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2019-10-13 21:21:31,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:31,918 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2019-10-13 21:21:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:31,920 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:31,920 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 21:21:31,920 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:31,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:31,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1361015554, now seen corresponding path program 1 times [2019-10-13 21:21:31,921 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:31,921 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626517191] [2019-10-13 21:21:31,921 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,921 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:31,922 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,030 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 21:21:32,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626517191] [2019-10-13 21:21:32,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:32,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:21:32,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787614732] [2019-10-13 21:21:32,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:21:32,032 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:32,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:21:32,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:21:32,033 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2019-10-13 21:21:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,300 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2019-10-13 21:21:32,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:32,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-10-13 21:21:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,310 INFO L225 Difference]: With dead ends: 750 [2019-10-13 21:21:32,310 INFO L226 Difference]: Without dead ends: 547 [2019-10-13 21:21:32,312 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 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 21:21:32,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-10-13 21:21:32,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2019-10-13 21:21:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-10-13 21:21:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2019-10-13 21:21:32,380 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2019-10-13 21:21:32,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,380 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2019-10-13 21:21:32,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:21:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2019-10-13 21:21:32,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:32,388 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,388 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 21:21:32,388 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:32,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:32,389 INFO L82 PathProgramCache]: Analyzing trace with hash 2011268159, now seen corresponding path program 1 times [2019-10-13 21:21:32,389 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:32,389 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964821290] [2019-10-13 21:21:32,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,390 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,390 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,496 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 21:21:32,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964821290] [2019-10-13 21:21:32,498 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:32,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:21:32,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772447869] [2019-10-13 21:21:32,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:21:32,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:21:32,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:32,500 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2019-10-13 21:21:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,548 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2019-10-13 21:21:32,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:21:32,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-10-13 21:21:32,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,553 INFO L225 Difference]: With dead ends: 922 [2019-10-13 21:21:32,553 INFO L226 Difference]: Without dead ends: 539 [2019-10-13 21:21:32,555 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:21:32,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-10-13 21:21:32,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2019-10-13 21:21:32,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-10-13 21:21:32,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2019-10-13 21:21:32,590 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2019-10-13 21:21:32,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,590 INFO L462 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2019-10-13 21:21:32,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:21:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2019-10-13 21:21:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 21:21:32,593 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,593 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 21:21:32,593 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:32,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:32,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1167262657, now seen corresponding path program 1 times [2019-10-13 21:21:32,594 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:32,595 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960211740] [2019-10-13 21:21:32,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,595 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,685 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 21:21:32,685 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960211740] [2019-10-13 21:21:32,686 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:32,686 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:21:32,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655969133] [2019-10-13 21:21:32,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:32,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:32,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:32,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:21:32,688 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2019-10-13 21:21:32,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:32,761 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2019-10-13 21:21:32,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:32,765 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-10-13 21:21:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:32,769 INFO L225 Difference]: With dead ends: 1059 [2019-10-13 21:21:32,769 INFO L226 Difference]: Without dead ends: 550 [2019-10-13 21:21:32,771 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:32,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2019-10-13 21:21:32,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2019-10-13 21:21:32,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-13 21:21:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2019-10-13 21:21:32,805 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2019-10-13 21:21:32,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:32,805 INFO L462 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2019-10-13 21:21:32,806 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2019-10-13 21:21:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-13 21:21:32,808 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:32,808 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] [2019-10-13 21:21:32,808 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:32,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:32,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1269276973, now seen corresponding path program 1 times [2019-10-13 21:21:32,809 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:32,809 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537534194] [2019-10-13 21:21:32,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,810 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:32,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:32,929 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 21:21:32,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537534194] [2019-10-13 21:21:32,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433112367] [2019-10-13 21:21:32,930 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 21:21:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:33,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 761 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-13 21:21:33,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:33,298 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 21:21:33,298 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:33,790 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 21:21:33,791 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:33,791 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-13 21:21:33,791 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556330342] [2019-10-13 21:21:33,792 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:21:33,792 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:33,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:21:33,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:33,792 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 8 states. [2019-10-13 21:21:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:34,309 INFO L93 Difference]: Finished difference Result 1559 states and 1879 transitions. [2019-10-13 21:21:34,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:21:34,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2019-10-13 21:21:34,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:34,316 INFO L225 Difference]: With dead ends: 1559 [2019-10-13 21:21:34,317 INFO L226 Difference]: Without dead ends: 1043 [2019-10-13 21:21:34,318 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:34,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-10-13 21:21:34,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1040. [2019-10-13 21:21:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1040 states. [2019-10-13 21:21:34,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1230 transitions. [2019-10-13 21:21:34,383 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1230 transitions. Word has length 100 [2019-10-13 21:21:34,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:34,383 INFO L462 AbstractCegarLoop]: Abstraction has 1040 states and 1230 transitions. [2019-10-13 21:21:34,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:21:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1230 transitions. [2019-10-13 21:21:34,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:34,387 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:34,387 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 21:21:34,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:34,602 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:34,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash -2017960913, now seen corresponding path program 1 times [2019-10-13 21:21:34,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:34,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349661477] [2019-10-13 21:21:34,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:34,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:34,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:34,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:21:34,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349661477] [2019-10-13 21:21:34,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:34,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:34,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290117052] [2019-10-13 21:21:34,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:34,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:34,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:34,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:34,740 INFO L87 Difference]: Start difference. First operand 1040 states and 1230 transitions. Second operand 10 states. [2019-10-13 21:21:35,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:35,017 INFO L93 Difference]: Finished difference Result 2006 states and 2417 transitions. [2019-10-13 21:21:35,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:35,018 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-13 21:21:35,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:35,025 INFO L225 Difference]: With dead ends: 2006 [2019-10-13 21:21:35,025 INFO L226 Difference]: Without dead ends: 990 [2019-10-13 21:21:35,029 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2019-10-13 21:21:35,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 974. [2019-10-13 21:21:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2019-10-13 21:21:35,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1138 transitions. [2019-10-13 21:21:35,084 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1138 transitions. Word has length 104 [2019-10-13 21:21:35,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:35,084 INFO L462 AbstractCegarLoop]: Abstraction has 974 states and 1138 transitions. [2019-10-13 21:21:35,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:35,084 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1138 transitions. [2019-10-13 21:21:35,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-13 21:21:35,087 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:35,088 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 21:21:35,088 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:35,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:35,088 INFO L82 PathProgramCache]: Analyzing trace with hash 877116949, now seen corresponding path program 1 times [2019-10-13 21:21:35,089 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:35,089 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490317716] [2019-10-13 21:21:35,089 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,089 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:35,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,219 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 21:21:35,220 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490317716] [2019-10-13 21:21:35,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:21:35,220 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:21:35,220 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412642897] [2019-10-13 21:21:35,222 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:21:35,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:35,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:21:35,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:21:35,223 INFO L87 Difference]: Start difference. First operand 974 states and 1138 transitions. Second operand 10 states. [2019-10-13 21:21:35,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:35,516 INFO L93 Difference]: Finished difference Result 1930 states and 2258 transitions. [2019-10-13 21:21:35,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:21:35,517 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2019-10-13 21:21:35,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:35,525 INFO L225 Difference]: With dead ends: 1930 [2019-10-13 21:21:35,525 INFO L226 Difference]: Without dead ends: 980 [2019-10-13 21:21:35,529 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:21:35,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2019-10-13 21:21:35,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 952. [2019-10-13 21:21:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 952 states. [2019-10-13 21:21:35,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1079 transitions. [2019-10-13 21:21:35,620 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1079 transitions. Word has length 104 [2019-10-13 21:21:35,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:35,621 INFO L462 AbstractCegarLoop]: Abstraction has 952 states and 1079 transitions. [2019-10-13 21:21:35,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:21:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1079 transitions. [2019-10-13 21:21:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 21:21:35,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:21:35,626 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:21:35,626 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:21:35,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:21:35,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1835535361, now seen corresponding path program 1 times [2019-10-13 21:21:35,626 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:21:35,627 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665973771] [2019-10-13 21:21:35,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,627 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:21:35,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:21:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,739 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:35,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665973771] [2019-10-13 21:21:35,739 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693152822] [2019-10-13 21:21:35,740 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 21:21:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:21:35,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 875 conjuncts, 19 conjunts are in the unsatisfiable core [2019-10-13 21:21:35,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:21:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 21:21:36,118 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:21:36,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:36,425 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:21:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 21:21:36,520 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:21:36,521 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2019-10-13 21:21:36,521 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002724411] [2019-10-13 21:21:36,522 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:21:36,522 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:21:36,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:21:36,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:21:36,523 INFO L87 Difference]: Start difference. First operand 952 states and 1079 transitions. Second operand 9 states. [2019-10-13 21:21:37,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:21:37,025 INFO L93 Difference]: Finished difference Result 1731 states and 2046 transitions. [2019-10-13 21:21:37,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:21:37,026 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2019-10-13 21:21:37,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:21:37,027 INFO L225 Difference]: With dead ends: 1731 [2019-10-13 21:21:37,027 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:21:37,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 286 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2019-10-13 21:21:37,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:21:37,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:21:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:21:37,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:21:37,034 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2019-10-13 21:21:37,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:21:37,034 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:21:37,034 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:21:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:21:37,035 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:21:37,240 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:21:37,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:21:38,046 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 22 [2019-10-13 21:21:38,294 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-13 21:21:38,852 WARN L191 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 43 [2019-10-13 21:21:39,133 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:39,326 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:39,739 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 47 [2019-10-13 21:21:39,964 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 29 [2019-10-13 21:21:40,135 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 29 [2019-10-13 21:21:40,248 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2019-10-13 21:21:40,455 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2019-10-13 21:21:40,601 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:41,011 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2019-10-13 21:21:41,251 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2019-10-13 21:21:41,386 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2019-10-13 21:21:41,527 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-10-13 21:21:41,650 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2019-10-13 21:21:41,856 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2019-10-13 21:21:42,579 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2019-10-13 21:21:42,742 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-10-13 21:21:43,151 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2019-10-13 21:21:43,409 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2019-10-13 21:21:43,521 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2019-10-13 21:21:43,978 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2019-10-13 21:21:44,061 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:44,062 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2019-10-13 21:21:44,063 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2019-10-13 21:21:44,063 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2019-10-13 21:21:44,064 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,064 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2019-10-13 21:21:44,064 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2019-10-13 21:21:44,064 INFO L439 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,064 INFO L439 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,064 INFO L443 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2019-10-13 21:21:44,064 INFO L443 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L439 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,065 INFO L439 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,065 INFO L439 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 916 939) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2019-10-13 21:21:44,065 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 916 939) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 916 939) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L921(line 921) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2019-10-13 21:21:44,066 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L446 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point L763(lines 763 771) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point L763-2(lines 763 771) no Hoare annotation was computed. [2019-10-13 21:21:44,067 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 759) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 744 779) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point L751-2(lines 751 759) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 744 779) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point L774-1(line 774) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 744 779) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-10-13 21:21:44,068 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2019-10-13 21:21:44,069 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2019-10-13 21:21:44,069 INFO L446 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2019-10-13 21:21:44,070 INFO L443 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2019-10-13 21:21:44,070 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2019-10-13 21:21:44,070 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:44,070 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2019-10-13 21:21:44,070 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2019-10-13 21:21:44,070 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2019-10-13 21:21:44,070 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2019-10-13 21:21:44,070 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2019-10-13 21:21:44,071 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2019-10-13 21:21:44,071 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2019-10-13 21:21:44,071 INFO L439 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:44,071 INFO L443 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2019-10-13 21:21:44,071 INFO L443 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2019-10-13 21:21:44,071 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2019-10-13 21:21:44,071 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse8 .cse3))) [2019-10-13 21:21:44,071 INFO L439 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse7 .cse3))) [2019-10-13 21:21:44,071 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2019-10-13 21:21:44,072 INFO L439 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:44,072 INFO L439 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:44,072 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2019-10-13 21:21:44,072 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2019-10-13 21:21:44,072 INFO L443 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2019-10-13 21:21:44,072 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,072 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2019-10-13 21:21:44,072 INFO L439 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:21:44,073 INFO L443 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2019-10-13 21:21:44,073 INFO L439 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:44,073 INFO L443 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2019-10-13 21:21:44,073 INFO L443 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2019-10-13 21:21:44,073 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:44,073 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2019-10-13 21:21:44,073 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2019-10-13 21:21:44,073 INFO L439 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:44,073 INFO L439 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (< ~waterLevel~0 3)) (.cse5 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 (<= ~waterLevel~0 1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3) (and .cse4 .cse0 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2019-10-13 21:21:44,074 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 461 483) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 461 483) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 461 483) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L469-2(lines 469 477) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-10-13 21:21:44,075 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 521 530) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 521 530) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 521 530) no Hoare annotation was computed. [2019-10-13 21:21:44,076 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,077 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|))) [2019-10-13 21:21:44,077 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,077 INFO L439 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:44,077 INFO L443 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2019-10-13 21:21:44,077 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2019-10-13 21:21:44,077 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:21:44,077 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (< ~waterLevel~0 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) .cse2) (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:21:44,077 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2019-10-13 21:21:44,077 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2019-10-13 21:21:44,077 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2019-10-13 21:21:44,078 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2019-10-13 21:21:44,078 INFO L446 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2019-10-13 21:21:44,078 INFO L443 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (= 1 ~methaneLevelCritical~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4)) (or .cse2 .cse5 .cse0 .cse1 .cse4) (or .cse6 .cse0 (or .cse3 .cse4 .cse7)) (or .cse5 .cse0 .cse4 .cse7 .cse6))) [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2019-10-13 21:21:44,079 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2019-10-13 21:21:44,080 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse14 (< ~waterLevel~0 3)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse7 (or .cse0 .cse11 .cse3)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (and .cse14 (= ~pumpRunning~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (< |old(~waterLevel~0)| 3))) (.cse10 (and .cse14 (= ~pumpRunning~0 0))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 1)) (.cse13 (or .cse11 .cse3 .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse7) (or .cse0 .cse5 .cse1 .cse3 .cse6) (or .cse0 .cse1 .cse8 .cse10 .cse3) (or .cse2 .cse11 .cse3 .cse4 .cse12) (or .cse1 .cse2 .cse3 .cse4 .cse12) (or .cse5 .cse1 .cse6 .cse3 .cse12) (or .cse0 .cse2 .cse11 .cse3 .cse4) (or .cse9 .cse8 .cse13) (or .cse1 .cse8 .cse3 .cse12 .cse10) (or .cse5 .cse6 .cse13)))) [2019-10-13 21:21:44,080 INFO L439 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse10 (<= ~waterLevel~0 1))) (let ((.cse6 (and .cse10 (= ~pumpRunning~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse11 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse3 .cse8)) (or .cse5 .cse6 (or .cse0 .cse7 .cse3)) (or .cse0 .cse9 .cse1 .cse3 .cse10) (or .cse0 .cse1 .cse5 .cse11 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or .cse9 .cse1 .cse10 .cse3 .cse8) (or .cse1 .cse5 .cse3 .cse8 .cse11)))) [2019-10-13 21:21:44,080 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2019-10-13 21:21:44,080 INFO L439 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse13 (< ~waterLevel~0 3)) (.cse15 (= ~pumpRunning~0 1)) (.cse10 (<= ~waterLevel~0 1)) (.cse14 (= ~pumpRunning~0 0))) (let ((.cse11 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse10 .cse14)) (.cse1 (and .cse10 .cse15)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (and .cse13 .cse15))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse7 .cse5 .cse0 .cse3 .cse4) (or .cse8 .cse9 .cse10 .cse6 .cse3) (or .cse6 .cse11 .cse3 .cse12 .cse4) (or .cse11 .cse8 .cse6 .cse3 .cse12) (or .cse9 .cse6 .cse10 .cse3 .cse4) (or .cse5 .cse0 .cse1 (or .cse8 .cse2 .cse3)) (or .cse8 .cse6 .cse0 (and .cse13 .cse14) .cse3 .cse7)))) [2019-10-13 21:21:44,080 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L439 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (or .cse0 .cse8 .cse3)) (.cse2 (not (< |old(~waterLevel~0)| 3))) (.cse11 (and (< ~waterLevel~0 3) (= ~pumpRunning~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (<= |old(~waterLevel~0)| 1))) (.cse5 (<= ~waterLevel~0 1)) (.cse12 (or .cse8 .cse3 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7) (or .cse8 .cse3 .cse9 .cse7 .cse10) (or .cse11 .cse2 .cse6) (or .cse2 .cse12 .cse11) (or .cse0 .cse10 .cse8 .cse3 .cse9) (or .cse4 .cse5 .cse12)))) [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L446 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2019-10-13 21:21:44,081 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2019-10-13 21:21:44,081 INFO L446 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L446 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2019-10-13 21:21:44,081 INFO L446 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2019-10-13 21:21:44,081 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2019-10-13 21:21:44,082 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse5 .cse4 .cse3 .cse6))) [2019-10-13 21:21:44,082 INFO L443 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2019-10-13 21:21:44,082 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2019-10-13 21:21:44,082 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2019-10-13 21:21:44,082 INFO L443 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2019-10-13 21:21:44,082 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2))) [2019-10-13 21:21:44,082 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2019-10-13 21:21:44,082 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-10-13 21:21:44,082 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2019-10-13 21:21:44,083 INFO L446 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2019-10-13 21:21:44,083 INFO L443 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2019-10-13 21:21:44,083 INFO L439 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (< ~waterLevel~0 3))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse0 .cse2) (or (not (<= ~waterLevel~0 1)) .cse5 .cse2 .cse3))) [2019-10-13 21:21:44,083 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse1 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 1)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< ~waterLevel~0 3)) (.cse6 (not (< |old(~waterLevel~0)| 3))) (.cse3 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse0 .cse6 .cse3 .cse7 .cse4) (or .cse5 .cse8 .cse3 .cse0 .cse9) (or .cse3 .cse0 .cse9 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse6 .cse3))) [2019-10-13 21:21:44,083 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2019-10-13 21:21:44,083 INFO L443 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2019-10-13 21:21:44,083 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2019-10-13 21:21:44,083 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2019-10-13 21:21:44,083 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,083 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 21:21:44,083 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:21:44,084 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:21:44,084 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse5 .cse7 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse8 .cse3))) [2019-10-13 21:21:44,084 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2019-10-13 21:21:44,084 INFO L439 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= ~waterLevel~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:21:44,084 INFO L443 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2019-10-13 21:21:44,084 INFO L439 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse8)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (< ~waterLevel~0 3))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (and .cse8 (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse4 .cse6 .cse2 .cse5)))) [2019-10-13 21:21:44,084 INFO L439 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse9 (<= ~waterLevel~0 1))) (let ((.cse0 (not .cse9)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (= 1 processEnvironment__wrappee__highWaterSensor_~tmp~4) .cse10)) (.cse7 (not (< ~waterLevel~0 3))) (.cse8 (and .cse9 .cse10)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse7 .cse2 .cse8) (or .cse5 .cse6 .cse7 .cse8 .cse2 .cse3)))) [2019-10-13 21:21:44,084 INFO L443 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2019-10-13 21:21:44,084 INFO L439 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= ~waterLevel~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (< ~waterLevel~0 3))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse4 .cse7 .cse3))) [2019-10-13 21:21:44,085 INFO L443 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2019-10-13 21:21:44,085 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2019-10-13 21:21:44,085 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2019-10-13 21:21:44,085 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2019-10-13 21:21:44,085 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (not (< |old(~waterLevel~0)| 3))) (.cse0 (< ~waterLevel~0 3)) (.cse9 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse10 (<= ~waterLevel~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse0 .cse3) (or .cse6 .cse7 .cse3 .cse8 .cse4) (or .cse5 .cse9 .cse6 .cse3 .cse10) (or .cse7 .cse2 .cse3 .cse8 .cse4) (or .cse5 .cse7 .cse2 .cse3 .cse8) (or .cse9 .cse6 .cse10 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse5 .cse9 .cse10 .cse2 .cse3) (or .cse9 .cse2 .cse10 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8))) [2019-10-13 21:21:44,085 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2019-10-13 21:21:44,085 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2019-10-13 21:21:44,085 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2019-10-13 21:21:44,086 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2019-10-13 21:21:44,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:21:44 BoogieIcfgContainer [2019-10-13 21:21:44,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:21:44,118 INFO L168 Benchmark]: Toolchain (without parser) took 17038.46 ms. Allocated memory was 145.8 MB in the beginning and 476.1 MB in the end (delta: 330.3 MB). Free memory was 102.7 MB in the beginning and 244.1 MB in the end (delta: -141.4 MB). Peak memory consumption was 292.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:44,119 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-13 21:21:44,121 INFO L168 Benchmark]: CACSL2BoogieTranslator took 674.30 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 169.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:44,122 INFO L168 Benchmark]: Boogie Preprocessor took 125.25 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:44,123 INFO L168 Benchmark]: RCFGBuilder took 1323.05 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.7 MB in the beginning and 192.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:44,124 INFO L168 Benchmark]: TraceAbstraction took 14907.19 ms. Allocated memory was 235.9 MB in the beginning and 476.1 MB in the end (delta: 240.1 MB). Free memory was 192.7 MB in the beginning and 244.1 MB in the end (delta: -51.5 MB). Peak memory consumption was 292.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:21:44,131 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 674.30 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 169.7 MB in the end (delta: -67.4 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.25 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 165.7 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.05 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.7 MB in the beginning and 192.7 MB in the end (delta: -27.0 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14907.19 ms. Allocated memory was 235.9 MB in the beginning and 476.1 MB in the end (delta: 240.1 MB). Free memory was 192.7 MB in the beginning and 244.1 MB in the end (delta: -51.5 MB). Peak memory consumption was 292.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 0) && 1 == methaneLevelCritical) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel <= 1) && pumpRunning == 0)) || !(0 == \old(pumpRunning))) || (((0 == splverifierCounter && waterLevel < 3) && pumpRunning == 1) && 1 == methaneLevelCritical)) || (((0 == methaneLevelCritical && 0 == splverifierCounter) && waterLevel < 3) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 14.7s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.8s, HoareTripleCheckerStatistics: 2175 SDtfs, 1415 SDslu, 7657 SDs, 0 SdLazy, 1384 SolverSat, 385 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 619 GetRequests, 516 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1040occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 103 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2418 PreInvPairs, 2552 NumberOfFragments, 2977 HoareAnnotationTreeSize, 2418 FomulaSimplifications, 1890 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 65 FomulaSimplificationsInter, 13402 FormulaSimplificationTreeSizeReductionInter, 6.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1286 NumberOfCodeBlocks, 1286 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1519 ConstructedInterpolants, 0 QuantifiedInterpolants, 282983 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1636 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 95/105 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...