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_spec5_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:23:00,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:23:00,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:23:00,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:23:00,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:23:00,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:23:00,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:23:00,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:23:00,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:23:00,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:23:00,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:23:00,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:23:00,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:23:00,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:23:00,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:23:00,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:23:00,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:23:00,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:23:00,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:23:00,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:23:00,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:23:00,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:23:00,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:23:00,828 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:23:00,831 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:23:00,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:23:00,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:23:00,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:23:00,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:23:00,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:23:00,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:23:00,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:23:00,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:23:00,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:23:00,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:23:00,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:23:00,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:23:00,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:23:00,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:23:00,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:23:00,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:23:00,844 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 21:23:00,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:23:00,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:23:00,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:23:00,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:23:00,875 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:23:00,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:23:00,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:23:00,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:23:00,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:23:00,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:23:00,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:23:00,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:23:00,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:23:00,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:23:00,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:23:00,877 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:23:00,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:23:00,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:23:00,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:23:00,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:23:00,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:23:00,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:23:00,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:23:00,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:23:00,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:23:00,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:23:00,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:23:00,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:23:00,880 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 21:23:01,165 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:23:01,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:23:01,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:23:01,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:23:01,184 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:23:01,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2019-10-13 21:23:01,272 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b14f49a/99f541dcb517407493f3225daf91ad24/FLAG37cfdfd20 [2019-10-13 21:23:01,836 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:23:01,839 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2019-10-13 21:23:01,868 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b14f49a/99f541dcb517407493f3225daf91ad24/FLAG37cfdfd20 [2019-10-13 21:23:02,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13b14f49a/99f541dcb517407493f3225daf91ad24 [2019-10-13 21:23:02,135 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:23:02,136 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:23:02,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:02,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:23:02,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:23:02,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:02,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02, skipping insertion in model container [2019-10-13 21:23:02,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:02,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:23:02,199 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:23:02,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:02,856 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:23:02,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:02,983 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:23:02,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02 WrapperNode [2019-10-13 21:23:02,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:02,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:23:02,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:23:02,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:23:03,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,067 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (1/1) ... [2019-10-13 21:23:03,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:23:03,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:23:03,075 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:23:03,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:23:03,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (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 21:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:23:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:23:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:23:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:23:03,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:23:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:23:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:23:03,157 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:23:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:23:03,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:23:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:23:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:23:03,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:23:03,162 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:23:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:03,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:23:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:23:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:23:03,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:23:03,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:23:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:23:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:23:03,166 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:23:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:23:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:23:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:23:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:23:03,167 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:23:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:23:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:23:03,168 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:23:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:23:03,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:23:03,169 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:23:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:23:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:23:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:23:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:23:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:23:03,170 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:23:04,300 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:23:04,301 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:23:04,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:04 BoogieIcfgContainer [2019-10-13 21:23:04,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:23:04,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:23:04,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:23:04,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:23:04,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:23:02" (1/3) ... [2019-10-13 21:23:04,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e63760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:04, skipping insertion in model container [2019-10-13 21:23:04,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:02" (2/3) ... [2019-10-13 21:23:04,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61e63760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:04, skipping insertion in model container [2019-10-13 21:23:04,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:04" (3/3) ... [2019-10-13 21:23:04,310 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2019-10-13 21:23:04,319 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:23:04,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:23:04,337 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:23:04,363 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:23:04,363 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:23:04,363 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:23:04,363 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:23:04,364 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:23:04,364 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:23:04,364 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:23:04,364 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:23:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states. [2019-10-13 21:23:04,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:23:04,396 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:04,397 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] [2019-10-13 21:23:04,399 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:04,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:04,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1456889578, now seen corresponding path program 1 times [2019-10-13 21:23:04,416 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:04,416 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146775023] [2019-10-13 21:23:04,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:04,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:04,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:04,770 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 21:23:04,771 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146775023] [2019-10-13 21:23:04,772 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:04,772 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:23:04,772 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526196229] [2019-10-13 21:23:04,777 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:04,778 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:04,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:04,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:04,795 INFO L87 Difference]: Start difference. First operand 210 states. Second operand 2 states. [2019-10-13 21:23:04,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:04,849 INFO L93 Difference]: Finished difference Result 330 states and 407 transitions. [2019-10-13 21:23:04,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:04,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:23:04,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:04,865 INFO L225 Difference]: With dead ends: 330 [2019-10-13 21:23:04,865 INFO L226 Difference]: Without dead ends: 167 [2019-10-13 21:23:04,870 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 21:23:04,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2019-10-13 21:23:04,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2019-10-13 21:23:04,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2019-10-13 21:23:04,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 197 transitions. [2019-10-13 21:23:04,933 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 197 transitions. Word has length 59 [2019-10-13 21:23:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:04,933 INFO L462 AbstractCegarLoop]: Abstraction has 167 states and 197 transitions. [2019-10-13 21:23:04,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 197 transitions. [2019-10-13 21:23:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:23:04,938 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:04,938 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] [2019-10-13 21:23:04,938 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:04,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:04,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1129690590, now seen corresponding path program 1 times [2019-10-13 21:23:04,939 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:04,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244193413] [2019-10-13 21:23:04,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:04,940 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:04,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:05,046 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 21:23:05,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244193413] [2019-10-13 21:23:05,046 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:05,047 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:23:05,047 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25222985] [2019-10-13 21:23:05,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:05,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:05,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:05,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:05,050 INFO L87 Difference]: Start difference. First operand 167 states and 197 transitions. Second operand 3 states. [2019-10-13 21:23:05,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:05,095 INFO L93 Difference]: Finished difference Result 275 states and 325 transitions. [2019-10-13 21:23:05,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:05,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:23:05,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:05,098 INFO L225 Difference]: With dead ends: 275 [2019-10-13 21:23:05,099 INFO L226 Difference]: Without dead ends: 158 [2019-10-13 21:23:05,100 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 21:23:05,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-10-13 21:23:05,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-10-13 21:23:05,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-13 21:23:05,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 185 transitions. [2019-10-13 21:23:05,120 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 185 transitions. Word has length 60 [2019-10-13 21:23:05,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:05,120 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 185 transitions. [2019-10-13 21:23:05,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:05,120 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 185 transitions. [2019-10-13 21:23:05,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:23:05,126 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:05,127 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] [2019-10-13 21:23:05,127 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:05,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,127 INFO L82 PathProgramCache]: Analyzing trace with hash -651026134, now seen corresponding path program 1 times [2019-10-13 21:23:05,128 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:05,128 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950867031] [2019-10-13 21:23:05,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:05,293 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 21:23:05,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950867031] [2019-10-13 21:23:05,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:05,294 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:05,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253149002] [2019-10-13 21:23:05,295 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:05,296 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:05,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:05,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:05,296 INFO L87 Difference]: Start difference. First operand 158 states and 185 transitions. Second operand 7 states. [2019-10-13 21:23:05,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:05,695 INFO L93 Difference]: Finished difference Result 288 states and 343 transitions. [2019-10-13 21:23:05,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:05,697 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:23:05,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:05,700 INFO L225 Difference]: With dead ends: 288 [2019-10-13 21:23:05,701 INFO L226 Difference]: Without dead ends: 158 [2019-10-13 21:23:05,705 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:23:05,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2019-10-13 21:23:05,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2019-10-13 21:23:05,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-13 21:23:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 184 transitions. [2019-10-13 21:23:05,731 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 184 transitions. Word has length 65 [2019-10-13 21:23:05,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:05,734 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 184 transitions. [2019-10-13 21:23:05,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 184 transitions. [2019-10-13 21:23:05,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:23:05,743 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:05,743 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] [2019-10-13 21:23:05,744 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:05,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,746 INFO L82 PathProgramCache]: Analyzing trace with hash 1717523051, now seen corresponding path program 1 times [2019-10-13 21:23:05,747 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:05,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837976488] [2019-10-13 21:23:05,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,747 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,748 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:05,931 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 21:23:05,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837976488] [2019-10-13 21:23:05,932 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:05,932 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:23:05,932 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692726176] [2019-10-13 21:23:05,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:23:05,933 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:05,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:23:05,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:23:05,934 INFO L87 Difference]: Start difference. First operand 158 states and 184 transitions. Second operand 5 states. [2019-10-13 21:23:06,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:06,606 INFO L93 Difference]: Finished difference Result 412 states and 496 transitions. [2019-10-13 21:23:06,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:23:06,606 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2019-10-13 21:23:06,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:06,609 INFO L225 Difference]: With dead ends: 412 [2019-10-13 21:23:06,610 INFO L226 Difference]: Without dead ends: 282 [2019-10-13 21:23:06,611 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:06,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2019-10-13 21:23:06,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 263. [2019-10-13 21:23:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2019-10-13 21:23:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 298 transitions. [2019-10-13 21:23:06,641 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 298 transitions. Word has length 83 [2019-10-13 21:23:06,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:06,641 INFO L462 AbstractCegarLoop]: Abstraction has 263 states and 298 transitions. [2019-10-13 21:23:06,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:23:06,642 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 298 transitions. [2019-10-13 21:23:06,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-13 21:23:06,644 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:06,644 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] [2019-10-13 21:23:06,644 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:06,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:06,645 INFO L82 PathProgramCache]: Analyzing trace with hash 119397721, now seen corresponding path program 1 times [2019-10-13 21:23:06,645 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:06,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650641985] [2019-10-13 21:23:06,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:06,826 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 21:23:06,826 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650641985] [2019-10-13 21:23:06,826 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:06,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:06,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495972185] [2019-10-13 21:23:06,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:06,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:06,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:06,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:06,829 INFO L87 Difference]: Start difference. First operand 263 states and 298 transitions. Second operand 7 states. [2019-10-13 21:23:07,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:07,572 INFO L93 Difference]: Finished difference Result 516 states and 601 transitions. [2019-10-13 21:23:07,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:23:07,573 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2019-10-13 21:23:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:07,576 INFO L225 Difference]: With dead ends: 516 [2019-10-13 21:23:07,576 INFO L226 Difference]: Without dead ends: 281 [2019-10-13 21:23:07,577 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:23:07,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2019-10-13 21:23:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 262. [2019-10-13 21:23:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2019-10-13 21:23:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 295 transitions. [2019-10-13 21:23:07,604 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 295 transitions. Word has length 97 [2019-10-13 21:23:07,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:07,604 INFO L462 AbstractCegarLoop]: Abstraction has 262 states and 295 transitions. [2019-10-13 21:23:07,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:07,605 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 295 transitions. [2019-10-13 21:23:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 21:23:07,607 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:07,607 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:07,607 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:07,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,608 INFO L82 PathProgramCache]: Analyzing trace with hash 299468705, now seen corresponding path program 1 times [2019-10-13 21:23:07,608 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:07,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763426096] [2019-10-13 21:23:07,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:07,693 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 21:23:07,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763426096] [2019-10-13 21:23:07,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:07,694 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:23:07,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189936999] [2019-10-13 21:23:07,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:23:07,695 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:07,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:23:07,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:23:07,696 INFO L87 Difference]: Start difference. First operand 262 states and 295 transitions. Second operand 6 states. [2019-10-13 21:23:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:07,734 INFO L93 Difference]: Finished difference Result 503 states and 580 transitions. [2019-10-13 21:23:07,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:07,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2019-10-13 21:23:07,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:07,742 INFO L225 Difference]: With dead ends: 503 [2019-10-13 21:23:07,742 INFO L226 Difference]: Without dead ends: 269 [2019-10-13 21:23:07,743 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:07,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2019-10-13 21:23:07,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 267. [2019-10-13 21:23:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-10-13 21:23:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 300 transitions. [2019-10-13 21:23:07,785 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 300 transitions. Word has length 113 [2019-10-13 21:23:07,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:07,788 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 300 transitions. [2019-10-13 21:23:07,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:23:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 300 transitions. [2019-10-13 21:23:07,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 21:23:07,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:07,793 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:07,794 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:07,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2056336545, now seen corresponding path program 1 times [2019-10-13 21:23:07,794 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:07,795 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141895793] [2019-10-13 21:23:07,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:07,964 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 21:23:07,965 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141895793] [2019-10-13 21:23:07,965 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:07,965 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:23:07,965 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501030880] [2019-10-13 21:23:07,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:23:07,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:07,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:23:07,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:07,967 INFO L87 Difference]: Start difference. First operand 267 states and 300 transitions. Second operand 8 states. [2019-10-13 21:23:08,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,009 INFO L93 Difference]: Finished difference Result 513 states and 591 transitions. [2019-10-13 21:23:08,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:23:08,010 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2019-10-13 21:23:08,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,013 INFO L225 Difference]: With dead ends: 513 [2019-10-13 21:23:08,013 INFO L226 Difference]: Without dead ends: 274 [2019-10-13 21:23:08,014 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:08,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2019-10-13 21:23:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 271. [2019-10-13 21:23:08,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2019-10-13 21:23:08,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 304 transitions. [2019-10-13 21:23:08,041 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 304 transitions. Word has length 113 [2019-10-13 21:23:08,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,041 INFO L462 AbstractCegarLoop]: Abstraction has 271 states and 304 transitions. [2019-10-13 21:23:08,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:23:08,044 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 304 transitions. [2019-10-13 21:23:08,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 21:23:08,046 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,046 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:08,047 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1287166530, now seen corresponding path program 1 times [2019-10-13 21:23:08,047 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917775823] [2019-10-13 21:23:08,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,194 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 21:23:08,195 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917775823] [2019-10-13 21:23:08,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:23:08,195 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568176931] [2019-10-13 21:23:08,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:23:08,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:23:08,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:08,197 INFO L87 Difference]: Start difference. First operand 271 states and 304 transitions. Second operand 4 states. [2019-10-13 21:23:08,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,421 INFO L93 Difference]: Finished difference Result 782 states and 918 transitions. [2019-10-13 21:23:08,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:23:08,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-10-13 21:23:08,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,426 INFO L225 Difference]: With dead ends: 782 [2019-10-13 21:23:08,427 INFO L226 Difference]: Without dead ends: 539 [2019-10-13 21:23:08,428 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:08,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-10-13 21:23:08,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 530. [2019-10-13 21:23:08,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2019-10-13 21:23:08,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 611 transitions. [2019-10-13 21:23:08,464 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 611 transitions. Word has length 113 [2019-10-13 21:23:08,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,465 INFO L462 AbstractCegarLoop]: Abstraction has 530 states and 611 transitions. [2019-10-13 21:23:08,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:23:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 611 transitions. [2019-10-13 21:23:08,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-13 21:23:08,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,467 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:08,467 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,468 INFO L82 PathProgramCache]: Analyzing trace with hash -803017404, now seen corresponding path program 1 times [2019-10-13 21:23:08,468 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984898236] [2019-10-13 21:23:08,468 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,469 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,650 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 21:23:08,651 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984898236] [2019-10-13 21:23:08,651 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,652 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:08,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635626596] [2019-10-13 21:23:08,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:08,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:08,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:08,654 INFO L87 Difference]: Start difference. First operand 530 states and 611 transitions. Second operand 9 states. [2019-10-13 21:23:09,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:09,926 INFO L93 Difference]: Finished difference Result 1395 states and 1676 transitions. [2019-10-13 21:23:09,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:09,930 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2019-10-13 21:23:09,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:09,936 INFO L225 Difference]: With dead ends: 1395 [2019-10-13 21:23:09,936 INFO L226 Difference]: Without dead ends: 970 [2019-10-13 21:23:09,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:23:09,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2019-10-13 21:23:09,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 886. [2019-10-13 21:23:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2019-10-13 21:23:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1009 transitions. [2019-10-13 21:23:09,999 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1009 transitions. Word has length 117 [2019-10-13 21:23:10,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:10,000 INFO L462 AbstractCegarLoop]: Abstraction has 886 states and 1009 transitions. [2019-10-13 21:23:10,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1009 transitions. [2019-10-13 21:23:10,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 21:23:10,004 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:10,004 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:23:10,004 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:10,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:10,005 INFO L82 PathProgramCache]: Analyzing trace with hash -394036424, now seen corresponding path program 1 times [2019-10-13 21:23:10,005 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:10,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912207861] [2019-10-13 21:23:10,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:10,006 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:10,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:10,309 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:23:10,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912207861] [2019-10-13 21:23:10,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763607296] [2019-10-13 21:23:10,310 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 21:23:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:10,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:10,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 38 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:23:10,809 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-10-13 21:23:11,310 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [531091072] [2019-10-13 21:23:11,316 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 196 [2019-10-13 21:23:11,373 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:11,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:11,444 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:11,446 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:23:11,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:11,450 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:11,525 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:11,527 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:11,539 INFO L553 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2019-10-13 21:23:11,540 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:11,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:11,541 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:11,541 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664362748] [2019-10-13 21:23:11,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:11,545 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:11,546 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:11,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:11,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:11,546 INFO L87 Difference]: Start difference. First operand 886 states and 1009 transitions. Second operand 2 states. [2019-10-13 21:23:11,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:11,556 INFO L93 Difference]: Finished difference Result 886 states and 1009 transitions. [2019-10-13 21:23:11,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:11,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 195 [2019-10-13 21:23:11,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:11,558 INFO L225 Difference]: With dead ends: 886 [2019-10-13 21:23:11,558 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:11,560 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 194 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 21:23:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:11,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:11,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2019-10-13 21:23:11,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:11,561 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:11,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:11,562 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:11,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:11,775 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:11,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:12,090 INFO L443 ceAbstractionStarter]: For program point L508(lines 508 512) no Hoare annotation was computed. [2019-10-13 21:23:12,090 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 508 512) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point L502-2(lines 502 523) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 477 532) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point L524(lines 501 525) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 477 532) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 477 532) no Hoare annotation was computed. [2019-10-13 21:23:12,091 INFO L443 ceAbstractionStarter]: For program point L578-1(line 578) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 533 592) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 569) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 565 569) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 533 592) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point L559-2(lines 559 584) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 533 592) no Hoare annotation was computed. [2019-10-13 21:23:12,092 INFO L443 ceAbstractionStarter]: For program point L585(lines 558 586) no Hoare annotation was computed. [2019-10-13 21:23:12,093 INFO L443 ceAbstractionStarter]: For program point L578(line 578) no Hoare annotation was computed. [2019-10-13 21:23:12,093 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1021 1027) the Hoare annotation is: true [2019-10-13 21:23:12,094 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1021 1027) no Hoare annotation was computed. [2019-10-13 21:23:12,094 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1028 1036) no Hoare annotation was computed. [2019-10-13 21:23:12,095 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1028 1036) the Hoare annotation is: true [2019-10-13 21:23:12,095 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1028 1036) no Hoare annotation was computed. [2019-10-13 21:23:12,095 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 307 314) the Hoare annotation is: true [2019-10-13 21:23:12,095 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 307 314) no Hoare annotation was computed. [2019-10-13 21:23:12,095 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 307 314) no Hoare annotation was computed. [2019-10-13 21:23:12,095 INFO L443 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2019-10-13 21:23:12,095 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 315 324) the Hoare annotation is: true [2019-10-13 21:23:12,095 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 315 324) no Hoare annotation was computed. [2019-10-13 21:23:12,095 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 315 324) no Hoare annotation was computed. [2019-10-13 21:23:12,096 INFO L446 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: true [2019-10-13 21:23:12,096 INFO L443 ceAbstractionStarter]: For program point L338(lines 338 344) no Hoare annotation was computed. [2019-10-13 21:23:12,098 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 347) no Hoare annotation was computed. [2019-10-13 21:23:12,098 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 325 353) the Hoare annotation is: true [2019-10-13 21:23:12,098 INFO L446 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: true [2019-10-13 21:23:12,098 INFO L443 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2019-10-13 21:23:12,098 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 350) no Hoare annotation was computed. [2019-10-13 21:23:12,098 INFO L443 ceAbstractionStarter]: For program point L333-1(lines 325 353) no Hoare annotation was computed. [2019-10-13 21:23:12,099 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 325 353) no Hoare annotation was computed. [2019-10-13 21:23:12,099 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-13 21:23:12,099 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-13 21:23:12,099 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: true [2019-10-13 21:23:12,099 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2019-10-13 21:23:12,099 INFO L446 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: true [2019-10-13 21:23:12,099 INFO L446 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: true [2019-10-13 21:23:12,099 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2019-10-13 21:23:12,100 INFO L443 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2019-10-13 21:23:12,100 INFO L443 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2019-10-13 21:23:12,100 INFO L446 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: true [2019-10-13 21:23:12,100 INFO L446 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: true [2019-10-13 21:23:12,100 INFO L446 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: true [2019-10-13 21:23:12,100 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2019-10-13 21:23:12,100 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 925 948) no Hoare annotation was computed. [2019-10-13 21:23:12,100 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 925 948) no Hoare annotation was computed. [2019-10-13 21:23:12,100 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 925 948) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L943(line 943) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L940(line 940) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2019-10-13 21:23:12,101 INFO L443 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L443 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L443 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L443 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L443 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L443 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L443 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2019-10-13 21:23:12,102 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-10-13 21:23:12,103 INFO L443 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-10-13 21:23:12,103 INFO L446 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: true [2019-10-13 21:23:12,103 INFO L443 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2019-10-13 21:23:12,103 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-10-13 21:23:12,103 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 117 141) the Hoare annotation is: true [2019-10-13 21:23:12,103 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 117 141) no Hoare annotation was computed. [2019-10-13 21:23:12,103 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-13 21:23:12,103 INFO L443 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2019-10-13 21:23:12,103 INFO L446 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: true [2019-10-13 21:23:12,104 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2019-10-13 21:23:12,104 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2019-10-13 21:23:12,104 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2019-10-13 21:23:12,105 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-10-13 21:23:12,106 INFO L446 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2019-10-13 21:23:12,106 INFO L443 ceAbstractionStarter]: For program point L285-2(lines 285 289) no Hoare annotation was computed. [2019-10-13 21:23:12,106 INFO L443 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2019-10-13 21:23:12,106 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 276 294) the Hoare annotation is: true [2019-10-13 21:23:12,106 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 276 294) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 276 294) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point L251(line 251) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point L251-1(line 251) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point L240(lines 240 248) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 221 256) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2019-10-13 21:23:12,108 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 221 256) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 221 256) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point L228-2(lines 228 236) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1014 1020) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1014 1020) the Hoare annotation is: true [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 431 476) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 431 476) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 431 476) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 771) no Hoare annotation was computed. [2019-10-13 21:23:12,109 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 744 789) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 778) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 778) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 744 789) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 744 789) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L446 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: true [2019-10-13 21:23:12,110 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 956 966) the Hoare annotation is: true [2019-10-13 21:23:12,110 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 956 966) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 956 966) no Hoare annotation was computed. [2019-10-13 21:23:12,110 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2019-10-13 21:23:12,111 INFO L446 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: true [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point L206-1(line 206) no Hoare annotation was computed. [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2019-10-13 21:23:12,111 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2019-10-13 21:23:12,111 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2019-10-13 21:23:12,112 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2019-10-13 21:23:12,112 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2019-10-13 21:23:12,112 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 143 167) no Hoare annotation was computed. [2019-10-13 21:23:12,112 INFO L446 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: true [2019-10-13 21:23:12,112 INFO L446 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: true [2019-10-13 21:23:12,112 INFO L443 ceAbstractionStarter]: For program point L151(lines 151 159) no Hoare annotation was computed. [2019-10-13 21:23:12,112 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 143 167) no Hoare annotation was computed. [2019-10-13 21:23:12,112 INFO L446 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2019-10-13 21:23:12,112 INFO L443 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2019-10-13 21:23:12,113 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 143 167) the Hoare annotation is: true [2019-10-13 21:23:12,113 INFO L443 ceAbstractionStarter]: For program point L147(lines 147 164) no Hoare annotation was computed. [2019-10-13 21:23:12,113 INFO L446 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: true [2019-10-13 21:23:12,113 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:23:12,113 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 21:23:12,113 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 358 423) the Hoare annotation is: true [2019-10-13 21:23:12,113 INFO L446 ceAbstractionStarter]: At program point L413(lines 368 415) the Hoare annotation is: true [2019-10-13 21:23:12,113 INFO L446 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: true [2019-10-13 21:23:12,114 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 384) no Hoare annotation was computed. [2019-10-13 21:23:12,114 INFO L443 ceAbstractionStarter]: For program point L378-1(lines 378 384) no Hoare annotation was computed. [2019-10-13 21:23:12,114 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 358 423) no Hoare annotation was computed. [2019-10-13 21:23:12,114 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 374) no Hoare annotation was computed. [2019-10-13 21:23:12,114 INFO L446 ceAbstractionStarter]: At program point L416(lines 367 417) the Hoare annotation is: true [2019-10-13 21:23:12,114 INFO L443 ceAbstractionStarter]: For program point L406(lines 406 410) no Hoare annotation was computed. [2019-10-13 21:23:12,114 INFO L446 ceAbstractionStarter]: At program point L406-2(lines 398 411) the Hoare annotation is: true [2019-10-13 21:23:12,114 INFO L443 ceAbstractionStarter]: For program point L369(lines 368 415) no Hoare annotation was computed. [2019-10-13 21:23:12,114 INFO L446 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: true [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 411) no Hoare annotation was computed. [2019-10-13 21:23:12,115 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 358 423) no Hoare annotation was computed. [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 698 743) no Hoare annotation was computed. [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 698 743) no Hoare annotation was computed. [2019-10-13 21:23:12,115 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 698 743) no Hoare annotation was computed. [2019-10-13 21:23:12,116 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 725) no Hoare annotation was computed. [2019-10-13 21:23:12,116 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 732) no Hoare annotation was computed. [2019-10-13 21:23:12,116 INFO L443 ceAbstractionStarter]: For program point L712-1(lines 712 732) no Hoare annotation was computed. [2019-10-13 21:23:12,116 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 168 175) the Hoare annotation is: true [2019-10-13 21:23:12,116 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 168 175) no Hoare annotation was computed. [2019-10-13 21:23:12,116 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 168 175) no Hoare annotation was computed. [2019-10-13 21:23:12,116 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 884 892) no Hoare annotation was computed. [2019-10-13 21:23:12,117 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 884 892) the Hoare annotation is: true [2019-10-13 21:23:12,117 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 884 892) no Hoare annotation was computed. [2019-10-13 21:23:12,117 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 854) no Hoare annotation was computed. [2019-10-13 21:23:12,117 INFO L443 ceAbstractionStarter]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2019-10-13 21:23:12,117 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 595 697) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point L665(lines 643 666) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point L624(lines 624 640) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 691) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 595 697) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point L645(lines 644 664) no Hoare annotation was computed. [2019-10-13 21:23:12,118 INFO L443 ceAbstractionStarter]: For program point L676(line 676) no Hoare annotation was computed. [2019-10-13 21:23:12,119 INFO L443 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2019-10-13 21:23:12,119 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 682) no Hoare annotation was computed. [2019-10-13 21:23:12,119 INFO L443 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2019-10-13 21:23:12,119 INFO L443 ceAbstractionStarter]: For program point L660-1(line 660) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 595 697) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 623) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 694) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point L646(lines 646 650) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point L644-2(lines 644 664) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 1004 1013) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 1004 1013) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 1004 1013) no Hoare annotation was computed. [2019-10-13 21:23:12,120 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,121 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:23:12,121 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,121 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 176 192) no Hoare annotation was computed. [2019-10-13 21:23:12,121 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-10-13 21:23:12,121 INFO L443 ceAbstractionStarter]: For program point L187-1(lines 176 192) no Hoare annotation was computed. [2019-10-13 21:23:12,121 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 176 192) the Hoare annotation is: true [2019-10-13 21:23:12,121 INFO L443 ceAbstractionStarter]: For program point L183(lines 183 189) no Hoare annotation was computed. [2019-10-13 21:23:12,121 INFO L446 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2019-10-13 21:23:12,122 INFO L443 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2019-10-13 21:23:12,122 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2019-10-13 21:23:12,122 INFO L443 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2019-10-13 21:23:12,122 INFO L446 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2019-10-13 21:23:12,122 INFO L443 ceAbstractionStarter]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2019-10-13 21:23:12,122 INFO L443 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2019-10-13 21:23:12,122 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2019-10-13 21:23:12,122 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2019-10-13 21:23:12,122 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2019-10-13 21:23:12,123 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2019-10-13 21:23:12,123 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2019-10-13 21:23:12,123 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2019-10-13 21:23:12,123 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2019-10-13 21:23:12,124 INFO L446 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: true [2019-10-13 21:23:12,124 INFO L443 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2019-10-13 21:23:12,125 INFO L443 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2019-10-13 21:23:12,125 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: true [2019-10-13 21:23:12,125 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2019-10-13 21:23:12,125 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:23:12,125 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2019-10-13 21:23:12,125 INFO L446 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: true [2019-10-13 21:23:12,125 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2019-10-13 21:23:12,125 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2019-10-13 21:23:12,126 INFO L446 ceAbstractionStarter]: At program point L920(lines 895 924) the Hoare annotation is: true [2019-10-13 21:23:12,126 INFO L443 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2019-10-13 21:23:12,126 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-10-13 21:23:12,126 INFO L446 ceAbstractionStarter]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2019-10-13 21:23:12,126 INFO L443 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2019-10-13 21:23:12,126 INFO L446 ceAbstractionStarter]: At program point L905-2(lines 905 919) the Hoare annotation is: true [2019-10-13 21:23:12,127 INFO L446 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2019-10-13 21:23:12,127 INFO L443 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2019-10-13 21:23:12,127 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: true [2019-10-13 21:23:12,127 INFO L443 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2019-10-13 21:23:12,127 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2019-10-13 21:23:12,127 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 949 955) no Hoare annotation was computed. [2019-10-13 21:23:12,127 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 949 955) the Hoare annotation is: true [2019-10-13 21:23:12,127 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,128 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:12,128 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:12,128 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:12,128 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 295 302) no Hoare annotation was computed. [2019-10-13 21:23:12,128 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 295 302) the Hoare annotation is: true [2019-10-13 21:23:12,128 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 295 302) no Hoare annotation was computed. [2019-10-13 21:23:12,128 INFO L446 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: true [2019-10-13 21:23:12,128 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: true [2019-10-13 21:23:12,128 INFO L443 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2019-10-13 21:23:12,129 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-10-13 21:23:12,129 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2019-10-13 21:23:12,129 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-10-13 21:23:12,131 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2019-10-13 21:23:12,131 INFO L446 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: true [2019-10-13 21:23:12,131 INFO L446 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: true [2019-10-13 21:23:12,131 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-10-13 21:23:12,131 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2019-10-13 21:23:12,132 INFO L443 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2019-10-13 21:23:12,132 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: true [2019-10-13 21:23:12,132 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 994 1001) no Hoare annotation was computed. [2019-10-13 21:23:12,132 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 994 1001) the Hoare annotation is: true [2019-10-13 21:23:12,132 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 994 1001) no Hoare annotation was computed. [2019-10-13 21:23:12,132 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2019-10-13 21:23:12,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:12 BoogieIcfgContainer [2019-10-13 21:23:12,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:12,146 INFO L168 Benchmark]: Toolchain (without parser) took 10008.93 ms. Allocated memory was 145.8 MB in the beginning and 340.3 MB in the end (delta: 194.5 MB). Free memory was 101.1 MB in the beginning and 275.1 MB in the end (delta: -174.0 MB). Peak memory consumption was 205.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:12,148 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:12,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 847.04 ms. Allocated memory was 145.8 MB in the beginning and 207.6 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 172.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:12,155 INFO L168 Benchmark]: Boogie Preprocessor took 90.25 ms. Allocated memory is still 207.6 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:12,156 INFO L168 Benchmark]: RCFGBuilder took 1227.20 ms. Allocated memory was 207.6 MB in the beginning and 233.8 MB in the end (delta: 26.2 MB). Free memory was 167.8 MB in the beginning and 187.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:12,157 INFO L168 Benchmark]: TraceAbstraction took 7840.40 ms. Allocated memory was 233.8 MB in the beginning and 340.3 MB in the end (delta: 106.4 MB). Free memory was 187.8 MB in the beginning and 275.1 MB in the end (delta: -87.4 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:12,169 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 847.04 ms. Allocated memory was 145.8 MB in the beginning and 207.6 MB in the end (delta: 61.9 MB). Free memory was 100.9 MB in the beginning and 172.5 MB in the end (delta: -71.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.25 ms. Allocated memory is still 207.6 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1227.20 ms. Allocated memory was 207.6 MB in the beginning and 233.8 MB in the end (delta: 26.2 MB). Free memory was 167.8 MB in the beginning and 187.8 MB in the end (delta: -19.9 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7840.40 ms. Allocated memory was 233.8 MB in the beginning and 340.3 MB in the end (delta: 106.4 MB). Free memory was 187.8 MB in the beginning and 275.1 MB in the end (delta: -87.4 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 998]: 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: 367]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 266 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 1865 SDtfs, 1278 SDslu, 3778 SDs, 0 SdLazy, 2210 SolverSat, 456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 303 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 136 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 1159 PreInvPairs, 1160 NumberOfFragments, 84 HoareAnnotationTreeSize, 1159 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 74 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1210 NumberOfCodeBlocks, 1210 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1393 ConstructedInterpolants, 0 QuantifiedInterpolants, 327039 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1025 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 157/192 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 134, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.788659793814433, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...