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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:23:01,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:23:01,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:23:01,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:23:01,814 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:23:01,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:23:01,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:23:01,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:23:01,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:23:01,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:23:01,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:23:01,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:23:01,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:23:01,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:23:01,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:23:01,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:23:01,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:23:01,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:23:01,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:23:01,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:23:01,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:23:01,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:23:01,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:23:01,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:23:01,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:23:01,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:23:01,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:23:01,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:23:01,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:23:01,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:23:01,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:23:01,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:23:01,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:23:01,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:23:01,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:23:01,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:23:01,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:23:01,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:23:01,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:23:01,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:23:01,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:23:01,872 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 21:23:01,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:23:01,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:23:01,888 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:23:01,889 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:23:01,889 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:23:01,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:23:01,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:23:01,890 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:23:01,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:23:01,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:23:01,891 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:23:01,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:23:01,891 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:23:01,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:23:01,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:23:01,892 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:23:01,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:23:01,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:23:01,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:23:01,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:23:01,894 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:23:01,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:23:01,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:23:01,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:23:01,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:23:01,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:23:01,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:23:01,895 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:23:01,895 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 21:23:02,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:23:02,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:23:02,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:23:02,191 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:23:02,191 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:23:02,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2019-10-13 21:23:02,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd93fe1f/1fdece51bc404541b2fb5f5086557650/FLAG5218441d3 [2019-10-13 21:23:02,893 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:23:02,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2019-10-13 21:23:02,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd93fe1f/1fdece51bc404541b2fb5f5086557650/FLAG5218441d3 [2019-10-13 21:23:03,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cfd93fe1f/1fdece51bc404541b2fb5f5086557650 [2019-10-13 21:23:03,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:23:03,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:23:03,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:03,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:23:03,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:23:03,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,159 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4924bc61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03, skipping insertion in model container [2019-10-13 21:23:03,159 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,166 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:23:03,239 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:23:03,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:03,752 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:23:03,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:23:03,900 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:23:03,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03 WrapperNode [2019-10-13 21:23:03,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:23:03,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:23:03,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:23:03,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:23:03,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (1/1) ... [2019-10-13 21:23:03,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:23:03,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:23:03,992 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:23:03,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:23:03,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (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 21:23:04,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:23:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:23:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:04,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:23:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:23:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:23:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:23:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:23:04,056 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:23:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:23:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:23:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:23:04,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:23:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:23:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:23:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:23:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:23:04,059 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:23:04,060 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:23:04,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:23:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:23:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:23:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:23:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:23:04,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:23:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:23:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:23:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:23:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:23:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:23:04,062 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:23:04,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:23:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:23:04,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:23:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:23:04,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:23:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:23:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:23:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:23:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:23:04,065 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:23:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:23:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:23:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:23:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:23:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:23:04,066 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:23:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:23:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:23:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:23:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:23:04,067 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:23:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:23:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:23:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:23:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:23:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:23:04,068 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:23:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:23:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:23:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:23:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:23:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:23:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:23:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:23:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:23:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:23:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:23:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:23:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:23:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:23:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:23:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:23:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:23:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:23:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:23:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:23:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:23:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:23:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:23:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:23:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:23:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:23:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:23:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:23:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:23:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:23:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:23:05,257 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:23:05,257 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:23:05,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:05 BoogieIcfgContainer [2019-10-13 21:23:05,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:23:05,261 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:23:05,262 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:23:05,265 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:23:05,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:23:03" (1/3) ... [2019-10-13 21:23:05,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7773c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:05, skipping insertion in model container [2019-10-13 21:23:05,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:23:03" (2/3) ... [2019-10-13 21:23:05,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f7773c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:23:05, skipping insertion in model container [2019-10-13 21:23:05,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:23:05" (3/3) ... [2019-10-13 21:23:05,272 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2019-10-13 21:23:05,284 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:23:05,297 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:23:05,311 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:23:05,352 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:23:05,352 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:23:05,353 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:23:05,354 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:23:05,354 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:23:05,354 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:23:05,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:23:05,354 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:23:05,385 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states. [2019-10-13 21:23:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:23:05,402 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:05,404 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 21:23:05,405 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:05,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:05,410 INFO L82 PathProgramCache]: Analyzing trace with hash -304783320, now seen corresponding path program 1 times [2019-10-13 21:23:05,418 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:05,418 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991041567] [2019-10-13 21:23:05,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,418 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:05,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:05,835 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 21:23:05,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991041567] [2019-10-13 21:23:05,837 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:05,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:23:05,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839349384] [2019-10-13 21:23:05,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:05,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:05,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:05,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:05,864 INFO L87 Difference]: Start difference. First operand 216 states. Second operand 2 states. [2019-10-13 21:23:05,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:05,956 INFO L93 Difference]: Finished difference Result 342 states and 423 transitions. [2019-10-13 21:23:05,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:05,959 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:23:05,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:05,985 INFO L225 Difference]: With dead ends: 342 [2019-10-13 21:23:05,986 INFO L226 Difference]: Without dead ends: 173 [2019-10-13 21:23:05,994 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 21:23:06,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-13 21:23:06,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2019-10-13 21:23:06,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2019-10-13 21:23:06,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 205 transitions. [2019-10-13 21:23:06,055 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 205 transitions. Word has length 59 [2019-10-13 21:23:06,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:06,056 INFO L462 AbstractCegarLoop]: Abstraction has 173 states and 205 transitions. [2019-10-13 21:23:06,056 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:06,056 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 205 transitions. [2019-10-13 21:23:06,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:23:06,060 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:06,061 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 21:23:06,061 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:06,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:06,062 INFO L82 PathProgramCache]: Analyzing trace with hash -511503066, now seen corresponding path program 1 times [2019-10-13 21:23:06,062 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:06,062 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150532841] [2019-10-13 21:23:06,062 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,063 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:06,217 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 21:23:06,218 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150532841] [2019-10-13 21:23:06,218 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:06,218 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:23:06,219 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619561580] [2019-10-13 21:23:06,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:23:06,222 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:06,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:23:06,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:23:06,222 INFO L87 Difference]: Start difference. First operand 173 states and 205 transitions. Second operand 3 states. [2019-10-13 21:23:06,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:06,274 INFO L93 Difference]: Finished difference Result 281 states and 333 transitions. [2019-10-13 21:23:06,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:23:06,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:23:06,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:06,279 INFO L225 Difference]: With dead ends: 281 [2019-10-13 21:23:06,279 INFO L226 Difference]: Without dead ends: 164 [2019-10-13 21:23:06,283 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 21:23:06,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-10-13 21:23:06,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-10-13 21:23:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-10-13 21:23:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 193 transitions. [2019-10-13 21:23:06,323 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 193 transitions. Word has length 60 [2019-10-13 21:23:06,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:06,323 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 193 transitions. [2019-10-13 21:23:06,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:23:06,324 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 193 transitions. [2019-10-13 21:23:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:23:06,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:06,333 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 21:23:06,333 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:06,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1192401668, now seen corresponding path program 1 times [2019-10-13 21:23:06,334 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:06,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137470254] [2019-10-13 21:23:06,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:06,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:06,564 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 21:23:06,565 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137470254] [2019-10-13 21:23:06,565 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:06,565 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:06,566 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227339867] [2019-10-13 21:23:06,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:06,569 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:06,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:06,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:06,571 INFO L87 Difference]: Start difference. First operand 164 states and 193 transitions. Second operand 7 states. [2019-10-13 21:23:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:07,345 INFO L93 Difference]: Finished difference Result 492 states and 599 transitions. [2019-10-13 21:23:07,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:23:07,348 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2019-10-13 21:23:07,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:07,357 INFO L225 Difference]: With dead ends: 492 [2019-10-13 21:23:07,358 INFO L226 Difference]: Without dead ends: 356 [2019-10-13 21:23:07,360 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 21:23:07,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-13 21:23:07,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 344. [2019-10-13 21:23:07,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-10-13 21:23:07,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 418 transitions. [2019-10-13 21:23:07,450 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 418 transitions. Word has length 65 [2019-10-13 21:23:07,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:07,450 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 418 transitions. [2019-10-13 21:23:07,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:07,451 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 418 transitions. [2019-10-13 21:23:07,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:23:07,454 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:07,455 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] [2019-10-13 21:23:07,455 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:07,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:07,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1231670033, now seen corresponding path program 1 times [2019-10-13 21:23:07,461 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:07,461 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770994881] [2019-10-13 21:23:07,461 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,461 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:07,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:07,632 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 21:23:07,633 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770994881] [2019-10-13 21:23:07,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:07,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:23:07,634 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619942053] [2019-10-13 21:23:07,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:23:07,638 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:07,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:23:07,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:23:07,640 INFO L87 Difference]: Start difference. First operand 344 states and 418 transitions. Second operand 7 states. [2019-10-13 21:23:08,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,492 INFO L93 Difference]: Finished difference Result 880 states and 1134 transitions. [2019-10-13 21:23:08,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:23:08,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:23:08,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,504 INFO L225 Difference]: With dead ends: 880 [2019-10-13 21:23:08,504 INFO L226 Difference]: Without dead ends: 564 [2019-10-13 21:23:08,506 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:23:08,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2019-10-13 21:23:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 510. [2019-10-13 21:23:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-13 21:23:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 609 transitions. [2019-10-13 21:23:08,589 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 609 transitions. Word has length 70 [2019-10-13 21:23:08,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,590 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 609 transitions. [2019-10-13 21:23:08,590 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:23:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 609 transitions. [2019-10-13 21:23:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 21:23:08,594 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,594 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 21:23:08,594 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,595 INFO L82 PathProgramCache]: Analyzing trace with hash 853087743, now seen corresponding path program 1 times [2019-10-13 21:23:08,595 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433779985] [2019-10-13 21:23:08,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,736 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 21:23:08,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433779985] [2019-10-13 21:23:08,737 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:23:08,737 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057523439] [2019-10-13 21:23:08,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:23:08,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:23:08,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:23:08,740 INFO L87 Difference]: Start difference. First operand 510 states and 609 transitions. Second operand 6 states. [2019-10-13 21:23:08,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:08,802 INFO L93 Difference]: Finished difference Result 1006 states and 1242 transitions. [2019-10-13 21:23:08,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:23:08,802 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 113 [2019-10-13 21:23:08,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:08,807 INFO L225 Difference]: With dead ends: 1006 [2019-10-13 21:23:08,808 INFO L226 Difference]: Without dead ends: 524 [2019-10-13 21:23:08,810 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 21:23:08,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2019-10-13 21:23:08,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 520. [2019-10-13 21:23:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-10-13 21:23:08,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 619 transitions. [2019-10-13 21:23:08,845 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 619 transitions. Word has length 113 [2019-10-13 21:23:08,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:08,845 INFO L462 AbstractCegarLoop]: Abstraction has 520 states and 619 transitions. [2019-10-13 21:23:08,846 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:23:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 619 transitions. [2019-10-13 21:23:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 21:23:08,848 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:08,848 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 21:23:08,849 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:08,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:08,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1502717507, now seen corresponding path program 1 times [2019-10-13 21:23:08,849 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:08,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910384452] [2019-10-13 21:23:08,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:08,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:08,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:08,968 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 21:23:08,969 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910384452] [2019-10-13 21:23:08,969 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:08,969 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:23:08,969 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952650530] [2019-10-13 21:23:08,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:23:08,970 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:08,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:23:08,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:23:08,971 INFO L87 Difference]: Start difference. First operand 520 states and 619 transitions. Second operand 8 states. [2019-10-13 21:23:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:09,021 INFO L93 Difference]: Finished difference Result 1026 states and 1262 transitions. [2019-10-13 21:23:09,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:23:09,022 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2019-10-13 21:23:09,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:09,026 INFO L225 Difference]: With dead ends: 1026 [2019-10-13 21:23:09,026 INFO L226 Difference]: Without dead ends: 534 [2019-10-13 21:23:09,028 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 21:23:09,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2019-10-13 21:23:09,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 528. [2019-10-13 21:23:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-10-13 21:23:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 627 transitions. [2019-10-13 21:23:09,064 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 627 transitions. Word has length 113 [2019-10-13 21:23:09,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:09,065 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 627 transitions. [2019-10-13 21:23:09,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:23:09,065 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 627 transitions. [2019-10-13 21:23:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-10-13 21:23:09,068 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:09,068 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 21:23:09,068 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:09,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:09,069 INFO L82 PathProgramCache]: Analyzing trace with hash -733547492, now seen corresponding path program 1 times [2019-10-13 21:23:09,069 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:09,069 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954299779] [2019-10-13 21:23:09,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,069 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:09,145 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 21:23:09,145 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954299779] [2019-10-13 21:23:09,146 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:09,146 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:23:09,146 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743558427] [2019-10-13 21:23:09,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:23:09,147 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:09,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:23:09,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:23:09,148 INFO L87 Difference]: Start difference. First operand 528 states and 627 transitions. Second operand 4 states. [2019-10-13 21:23:09,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:09,463 INFO L93 Difference]: Finished difference Result 1646 states and 2048 transitions. [2019-10-13 21:23:09,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:23:09,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 113 [2019-10-13 21:23:09,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:09,472 INFO L225 Difference]: With dead ends: 1646 [2019-10-13 21:23:09,473 INFO L226 Difference]: Without dead ends: 1146 [2019-10-13 21:23:09,475 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 21:23:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2019-10-13 21:23:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1129. [2019-10-13 21:23:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2019-10-13 21:23:09,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1380 transitions. [2019-10-13 21:23:09,562 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1380 transitions. Word has length 113 [2019-10-13 21:23:09,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:09,563 INFO L462 AbstractCegarLoop]: Abstraction has 1129 states and 1380 transitions. [2019-10-13 21:23:09,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:23:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1380 transitions. [2019-10-13 21:23:09,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-10-13 21:23:09,567 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:09,567 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 21:23:09,567 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:09,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:09,568 INFO L82 PathProgramCache]: Analyzing trace with hash 216342370, now seen corresponding path program 1 times [2019-10-13 21:23:09,568 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:09,568 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394975241] [2019-10-13 21:23:09,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:09,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:09,840 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 21:23:09,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394975241] [2019-10-13 21:23:09,841 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:23:09,841 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:23:09,841 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582033481] [2019-10-13 21:23:09,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:23:09,842 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:09,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:23:09,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:23:09,844 INFO L87 Difference]: Start difference. First operand 1129 states and 1380 transitions. Second operand 9 states. [2019-10-13 21:23:11,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:11,658 INFO L93 Difference]: Finished difference Result 3084 states and 3936 transitions. [2019-10-13 21:23:11,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:23:11,659 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 117 [2019-10-13 21:23:11,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:11,678 INFO L225 Difference]: With dead ends: 3084 [2019-10-13 21:23:11,678 INFO L226 Difference]: Without dead ends: 2179 [2019-10-13 21:23:11,684 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:23:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2179 states. [2019-10-13 21:23:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2179 to 1940. [2019-10-13 21:23:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1940 states. [2019-10-13 21:23:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1940 states to 1940 states and 2331 transitions. [2019-10-13 21:23:11,835 INFO L78 Accepts]: Start accepts. Automaton has 1940 states and 2331 transitions. Word has length 117 [2019-10-13 21:23:11,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:11,837 INFO L462 AbstractCegarLoop]: Abstraction has 1940 states and 2331 transitions. [2019-10-13 21:23:11,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:23:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 2331 transitions. [2019-10-13 21:23:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 21:23:11,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:23:11,842 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 21:23:11,843 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:23:11,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:11,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1963590153, now seen corresponding path program 1 times [2019-10-13 21:23:11,844 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:23:11,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330175407] [2019-10-13 21:23:11,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:11,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:23:11,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:23:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:12,046 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 21:23:12,047 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330175407] [2019-10-13 21:23:12,048 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173980347] [2019-10-13 21:23:12,048 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 21:23:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:23:12,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:23:12,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:23:12,585 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 21:23:12,586 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:13,182 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 21:23:13,182 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [175471881] [2019-10-13 21:23:13,190 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 196 [2019-10-13 21:23:13,238 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:13,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:13,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:13,312 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 70 root evaluator evaluations with a maximum evaluation depth of 0. Performed 70 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:23:13,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:13,318 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:13,376 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:13,376 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:13,384 INFO L553 sIntCurrentIteration]: We unified 194 AI predicates to 194 [2019-10-13 21:23:13,384 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:13,385 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:13,385 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:13,386 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263672159] [2019-10-13 21:23:13,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:13,390 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:13,390 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:13,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:13,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:13,391 INFO L87 Difference]: Start difference. First operand 1940 states and 2331 transitions. Second operand 2 states. [2019-10-13 21:23:13,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:13,418 INFO L93 Difference]: Finished difference Result 1940 states and 2331 transitions. [2019-10-13 21:23:13,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:13,418 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 195 [2019-10-13 21:23:13,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:13,419 INFO L225 Difference]: With dead ends: 1940 [2019-10-13 21:23:13,419 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:13,424 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 21:23:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:13,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:13,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:13,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 195 [2019-10-13 21:23:13,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:13,425 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:13,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:13,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:13,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:13,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:13,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:14,191 INFO L443 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2019-10-13 21:23:14,191 INFO L443 ceAbstractionStarter]: For program point L765-2(lines 765 786) no Hoare annotation was computed. [2019-10-13 21:23:14,191 INFO L443 ceAbstractionStarter]: For program point L787(lines 764 788) no Hoare annotation was computed. [2019-10-13 21:23:14,191 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 740 795) no Hoare annotation was computed. [2019-10-13 21:23:14,192 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 740 795) no Hoare annotation was computed. [2019-10-13 21:23:14,192 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2019-10-13 21:23:14,192 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 740 795) no Hoare annotation was computed. [2019-10-13 21:23:14,193 INFO L443 ceAbstractionStarter]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2019-10-13 21:23:14,193 INFO L443 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2019-10-13 21:23:14,193 INFO L443 ceAbstractionStarter]: For program point L828-1(lines 828 832) no Hoare annotation was computed. [2019-10-13 21:23:14,193 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 21:23:14,193 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 796 855) no Hoare annotation was computed. [2019-10-13 21:23:14,193 INFO L443 ceAbstractionStarter]: For program point L822-2(lines 822 847) no Hoare annotation was computed. [2019-10-13 21:23:14,194 INFO L443 ceAbstractionStarter]: For program point L848(lines 821 849) no Hoare annotation was computed. [2019-10-13 21:23:14,194 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 796 855) no Hoare annotation was computed. [2019-10-13 21:23:14,194 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 796 855) no Hoare annotation was computed. [2019-10-13 21:23:14,194 INFO L443 ceAbstractionStarter]: For program point L841(line 841) no Hoare annotation was computed. [2019-10-13 21:23:14,194 INFO L443 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2019-10-13 21:23:14,194 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 671 677) the Hoare annotation is: true [2019-10-13 21:23:14,195 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 671 677) no Hoare annotation was computed. [2019-10-13 21:23:14,195 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 678 686) no Hoare annotation was computed. [2019-10-13 21:23:14,195 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 678 686) the Hoare annotation is: true [2019-10-13 21:23:14,196 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 678 686) no Hoare annotation was computed. [2019-10-13 21:23:14,196 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2019-10-13 21:23:14,196 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:23:14,197 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2019-10-13 21:23:14,197 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: true [2019-10-13 21:23:14,197 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:23:14,197 INFO L443 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2019-10-13 21:23:14,197 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2019-10-13 21:23:14,197 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2019-10-13 21:23:14,198 INFO L446 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2019-10-13 21:23:14,198 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:23:14,198 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:23:14,198 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2019-10-13 21:23:14,198 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:23:14,198 INFO L443 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2019-10-13 21:23:14,199 INFO L443 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2019-10-13 21:23:14,199 INFO L443 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2019-10-13 21:23:14,199 INFO L446 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2019-10-13 21:23:14,199 INFO L443 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2019-10-13 21:23:14,199 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 620 642) the Hoare annotation is: true [2019-10-13 21:23:14,199 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 620 642) no Hoare annotation was computed. [2019-10-13 21:23:14,199 INFO L446 ceAbstractionStarter]: At program point L632(line 632) the Hoare annotation is: true [2019-10-13 21:23:14,200 INFO L446 ceAbstractionStarter]: At program point L632-1(line 632) the Hoare annotation is: true [2019-10-13 21:23:14,200 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 637) no Hoare annotation was computed. [2019-10-13 21:23:14,200 INFO L443 ceAbstractionStarter]: For program point L630-1(lines 630 637) no Hoare annotation was computed. [2019-10-13 21:23:14,200 INFO L443 ceAbstractionStarter]: For program point L628(line 628) no Hoare annotation was computed. [2019-10-13 21:23:14,200 INFO L446 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2019-10-13 21:23:14,200 INFO L446 ceAbstractionStarter]: At program point L626(line 626) the Hoare annotation is: true [2019-10-13 21:23:14,201 INFO L446 ceAbstractionStarter]: At program point L626-1(line 626) the Hoare annotation is: true [2019-10-13 21:23:14,201 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 620 642) no Hoare annotation was computed. [2019-10-13 21:23:14,201 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 575 598) no Hoare annotation was computed. [2019-10-13 21:23:14,201 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 575 598) no Hoare annotation was computed. [2019-10-13 21:23:14,201 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 575 598) no Hoare annotation was computed. [2019-10-13 21:23:14,201 INFO L443 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L591(line 591) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-10-13 21:23:14,202 INFO L443 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-10-13 21:23:14,203 INFO L443 ceAbstractionStarter]: For program point L585(line 585) no Hoare annotation was computed. [2019-10-13 21:23:14,203 INFO L443 ceAbstractionStarter]: For program point L584(line 584) no Hoare annotation was computed. [2019-10-13 21:23:14,203 INFO L443 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-10-13 21:23:14,203 INFO L443 ceAbstractionStarter]: For program point L582(line 582) no Hoare annotation was computed. [2019-10-13 21:23:14,203 INFO L443 ceAbstractionStarter]: For program point L581(line 581) no Hoare annotation was computed. [2019-10-13 21:23:14,203 INFO L443 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-10-13 21:23:14,204 INFO L443 ceAbstractionStarter]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2019-10-13 21:23:14,204 INFO L446 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: true [2019-10-13 21:23:14,204 INFO L446 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2019-10-13 21:23:14,204 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 255) no Hoare annotation was computed. [2019-10-13 21:23:14,204 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-13 21:23:14,204 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-13 21:23:14,205 INFO L443 ceAbstractionStarter]: For program point L243(lines 243 260) no Hoare annotation was computed. [2019-10-13 21:23:14,205 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: true [2019-10-13 21:23:14,205 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2019-10-13 21:23:14,205 INFO L446 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2019-10-13 21:23:14,205 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 417 431) no Hoare annotation was computed. [2019-10-13 21:23:14,205 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-10-13 21:23:14,206 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 417 431) the Hoare annotation is: true [2019-10-13 21:23:14,206 INFO L443 ceAbstractionStarter]: For program point L421(lines 421 427) no Hoare annotation was computed. [2019-10-13 21:23:14,206 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 417 431) no Hoare annotation was computed. [2019-10-13 21:23:14,206 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2019-10-13 21:23:14,206 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2019-10-13 21:23:14,206 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2019-10-13 21:23:14,207 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 398 416) the Hoare annotation is: true [2019-10-13 21:23:14,207 INFO L443 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2019-10-13 21:23:14,207 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 398 416) no Hoare annotation was computed. [2019-10-13 21:23:14,207 INFO L446 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2019-10-13 21:23:14,207 INFO L443 ceAbstractionStarter]: For program point L407-2(lines 407 411) no Hoare annotation was computed. [2019-10-13 21:23:14,207 INFO L443 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2019-10-13 21:23:14,207 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 398 416) no Hoare annotation was computed. [2019-10-13 21:23:14,208 INFO L443 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2019-10-13 21:23:14,208 INFO L443 ceAbstractionStarter]: For program point L350-2(lines 350 358) no Hoare annotation was computed. [2019-10-13 21:23:14,208 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-13 21:23:14,208 INFO L443 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2019-10-13 21:23:14,208 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 343 378) no Hoare annotation was computed. [2019-10-13 21:23:14,208 INFO L443 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2019-10-13 21:23:14,209 INFO L443 ceAbstractionStarter]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2019-10-13 21:23:14,209 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 343 378) no Hoare annotation was computed. [2019-10-13 21:23:14,209 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 343 378) no Hoare annotation was computed. [2019-10-13 21:23:14,209 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 664 670) no Hoare annotation was computed. [2019-10-13 21:23:14,209 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 664 670) the Hoare annotation is: true [2019-10-13 21:23:14,209 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 694 739) no Hoare annotation was computed. [2019-10-13 21:23:14,209 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 694 739) no Hoare annotation was computed. [2019-10-13 21:23:14,210 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 694 739) no Hoare annotation was computed. [2019-10-13 21:23:14,210 INFO L443 ceAbstractionStarter]: For program point L1021(lines 1021 1041) no Hoare annotation was computed. [2019-10-13 21:23:14,210 INFO L443 ceAbstractionStarter]: For program point L1021-1(lines 1021 1041) no Hoare annotation was computed. [2019-10-13 21:23:14,210 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 1007 1052) no Hoare annotation was computed. [2019-10-13 21:23:14,210 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 1007 1052) no Hoare annotation was computed. [2019-10-13 21:23:14,210 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 1007 1052) no Hoare annotation was computed. [2019-10-13 21:23:14,211 INFO L443 ceAbstractionStarter]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2019-10-13 21:23:14,211 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 606 616) the Hoare annotation is: true [2019-10-13 21:23:14,211 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 606 616) no Hoare annotation was computed. [2019-10-13 21:23:14,211 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 606 616) no Hoare annotation was computed. [2019-10-13 21:23:14,211 INFO L446 ceAbstractionStarter]: At program point L611(line 611) the Hoare annotation is: true [2019-10-13 21:23:14,211 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2019-10-13 21:23:14,212 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2019-10-13 21:23:14,212 INFO L446 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: true [2019-10-13 21:23:14,212 INFO L443 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2019-10-13 21:23:14,212 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2019-10-13 21:23:14,212 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: true [2019-10-13 21:23:14,212 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2019-10-13 21:23:14,213 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2019-10-13 21:23:14,213 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 530) no Hoare annotation was computed. [2019-10-13 21:23:14,213 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 520 533) no Hoare annotation was computed. [2019-10-13 21:23:14,213 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 520 533) the Hoare annotation is: true [2019-10-13 21:23:14,213 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 520 533) no Hoare annotation was computed. [2019-10-13 21:23:14,213 INFO L446 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: true [2019-10-13 21:23:14,213 INFO L443 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2019-10-13 21:23:14,214 INFO L446 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2019-10-13 21:23:14,214 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2019-10-13 21:23:14,214 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: true [2019-10-13 21:23:14,214 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-10-13 21:23:14,214 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2019-10-13 21:23:14,214 INFO L446 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: true [2019-10-13 21:23:14,215 INFO L443 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2019-10-13 21:23:14,215 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2019-10-13 21:23:14,215 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 205 211) no Hoare annotation was computed. [2019-10-13 21:23:14,215 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 205 211) the Hoare annotation is: true [2019-10-13 21:23:14,215 INFO L443 ceAbstractionStarter]: For program point L128(lines 128 134) no Hoare annotation was computed. [2019-10-13 21:23:14,215 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 98 165) the Hoare annotation is: true [2019-10-13 21:23:14,215 INFO L443 ceAbstractionStarter]: For program point L128-1(lines 128 134) no Hoare annotation was computed. [2019-10-13 21:23:14,216 INFO L446 ceAbstractionStarter]: At program point L155(lines 108 157) the Hoare annotation is: true [2019-10-13 21:23:14,216 INFO L446 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: true [2019-10-13 21:23:14,216 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 98 165) no Hoare annotation was computed. [2019-10-13 21:23:14,216 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 124) no Hoare annotation was computed. [2019-10-13 21:23:14,217 INFO L443 ceAbstractionStarter]: For program point L118-1(lines 118 124) no Hoare annotation was computed. [2019-10-13 21:23:14,217 INFO L443 ceAbstractionStarter]: For program point L110(lines 110 114) no Hoare annotation was computed. [2019-10-13 21:23:14,217 INFO L446 ceAbstractionStarter]: At program point L158(lines 107 159) the Hoare annotation is: true [2019-10-13 21:23:14,217 INFO L446 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: true [2019-10-13 21:23:14,217 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 152) no Hoare annotation was computed. [2019-10-13 21:23:14,217 INFO L446 ceAbstractionStarter]: At program point L146-1(lines 138 153) the Hoare annotation is: true [2019-10-13 21:23:14,217 INFO L443 ceAbstractionStarter]: For program point L109(lines 108 157) no Hoare annotation was computed. [2019-10-13 21:23:14,218 INFO L446 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: true [2019-10-13 21:23:14,218 INFO L443 ceAbstractionStarter]: For program point L138(lines 138 153) no Hoare annotation was computed. [2019-10-13 21:23:14,218 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 98 165) no Hoare annotation was computed. [2019-10-13 21:23:14,218 INFO L446 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: true [2019-10-13 21:23:14,218 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 961 1006) no Hoare annotation was computed. [2019-10-13 21:23:14,218 INFO L443 ceAbstractionStarter]: For program point L981(lines 981 988) no Hoare annotation was computed. [2019-10-13 21:23:14,218 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 961 1006) no Hoare annotation was computed. [2019-10-13 21:23:14,219 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 961 1006) no Hoare annotation was computed. [2019-10-13 21:23:14,219 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 995) no Hoare annotation was computed. [2019-10-13 21:23:14,219 INFO L443 ceAbstractionStarter]: For program point L975-1(lines 975 995) no Hoare annotation was computed. [2019-10-13 21:23:14,219 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 290 297) the Hoare annotation is: true [2019-10-13 21:23:14,219 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 290 297) no Hoare annotation was computed. [2019-10-13 21:23:14,219 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 290 297) no Hoare annotation was computed. [2019-10-13 21:23:14,219 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 534 542) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 534 542) the Hoare annotation is: true [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 534 542) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 504) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point L496-2(lines 496 504) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 488 510) no Hoare annotation was computed. [2019-10-13 21:23:14,220 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 654 663) no Hoare annotation was computed. [2019-10-13 21:23:14,221 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 654 663) no Hoare annotation was computed. [2019-10-13 21:23:14,221 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 654 663) no Hoare annotation was computed. [2019-10-13 21:23:14,221 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 858 960) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L923(line 923) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L923-1(line 923) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L882(lines 882 886) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L946(lines 946 957) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L907-2(lines 907 927) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 858 960) no Hoare annotation was computed. [2019-10-13 21:23:14,222 INFO L443 ceAbstractionStarter]: For program point L928(lines 906 929) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point L887(lines 887 903) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 858 960) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point L908(lines 907 927) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point L939-1(line 939) no Hoare annotation was computed. [2019-10-13 21:23:14,223 INFO L443 ceAbstractionStarter]: For program point L904(lines 904 945) no Hoare annotation was computed. [2019-10-13 21:23:14,224 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,224 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 21:23:14,224 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,224 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2019-10-13 21:23:14,224 INFO L446 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2019-10-13 21:23:14,224 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-13 21:23:14,225 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 298 314) no Hoare annotation was computed. [2019-10-13 21:23:14,225 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 298 314) the Hoare annotation is: true [2019-10-13 21:23:14,225 INFO L446 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: true [2019-10-13 21:23:14,225 INFO L443 ceAbstractionStarter]: For program point L309-1(lines 298 314) no Hoare annotation was computed. [2019-10-13 21:23:14,225 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 511 519) the Hoare annotation is: true [2019-10-13 21:23:14,225 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 511 519) no Hoare annotation was computed. [2019-10-13 21:23:14,225 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 511 519) no Hoare annotation was computed. [2019-10-13 21:23:14,226 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-13 21:23:14,226 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2019-10-13 21:23:14,226 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2019-10-13 21:23:14,226 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2019-10-13 21:23:14,227 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2019-10-13 21:23:14,227 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-10-13 21:23:14,227 INFO L443 ceAbstractionStarter]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2019-10-13 21:23:14,227 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 467 478) the Hoare annotation is: true [2019-10-13 21:23:14,227 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 467 478) no Hoare annotation was computed. [2019-10-13 21:23:14,227 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 467 478) no Hoare annotation was computed. [2019-10-13 21:23:14,227 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,227 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,228 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,228 INFO L446 ceAbstractionStarter]: At program point L192(lines 192 198) the Hoare annotation is: true [2019-10-13 21:23:14,228 INFO L446 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: true [2019-10-13 21:23:14,228 INFO L443 ceAbstractionStarter]: For program point L185(lines 181 203) no Hoare annotation was computed. [2019-10-13 21:23:14,228 INFO L443 ceAbstractionStarter]: For program point L183(lines 181 203) no Hoare annotation was computed. [2019-10-13 21:23:14,228 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 178 204) the Hoare annotation is: true [2019-10-13 21:23:14,228 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 178 204) no Hoare annotation was computed. [2019-10-13 21:23:14,228 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 178 204) no Hoare annotation was computed. [2019-10-13 21:23:14,229 INFO L446 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: true [2019-10-13 21:23:14,229 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2019-10-13 21:23:14,229 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2019-10-13 21:23:14,229 INFO L446 ceAbstractionStarter]: At program point L570(lines 545 574) the Hoare annotation is: true [2019-10-13 21:23:14,229 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-13 21:23:14,229 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-10-13 21:23:14,229 INFO L446 ceAbstractionStarter]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2019-10-13 21:23:14,229 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-10-13 21:23:14,229 INFO L446 ceAbstractionStarter]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2019-10-13 21:23:14,230 INFO L446 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: true [2019-10-13 21:23:14,230 INFO L443 ceAbstractionStarter]: For program point L551-1(line 551) no Hoare annotation was computed. [2019-10-13 21:23:14,230 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 479 487) the Hoare annotation is: true [2019-10-13 21:23:14,230 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 479 487) no Hoare annotation was computed. [2019-10-13 21:23:14,230 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 479 487) no Hoare annotation was computed. [2019-10-13 21:23:14,230 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 443 454) the Hoare annotation is: true [2019-10-13 21:23:14,230 INFO L443 ceAbstractionStarter]: For program point L447-1(lines 443 454) no Hoare annotation was computed. [2019-10-13 21:23:14,230 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 443 454) no Hoare annotation was computed. [2019-10-13 21:23:14,231 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 599 605) no Hoare annotation was computed. [2019-10-13 21:23:14,231 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 599 605) the Hoare annotation is: true [2019-10-13 21:23:14,231 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,231 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:14,231 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:14,231 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:14,231 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 432 439) no Hoare annotation was computed. [2019-10-13 21:23:14,231 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 432 439) the Hoare annotation is: true [2019-10-13 21:23:14,232 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 432 439) no Hoare annotation was computed. [2019-10-13 21:23:14,233 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 213 237) the Hoare annotation is: true [2019-10-13 21:23:14,233 INFO L446 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: true [2019-10-13 21:23:14,233 INFO L443 ceAbstractionStarter]: For program point L221(lines 221 229) no Hoare annotation was computed. [2019-10-13 21:23:14,233 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 213 237) no Hoare annotation was computed. [2019-10-13 21:23:14,234 INFO L446 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: true [2019-10-13 21:23:14,234 INFO L443 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2019-10-13 21:23:14,234 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 234) no Hoare annotation was computed. [2019-10-13 21:23:14,234 INFO L446 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: true [2019-10-13 21:23:14,234 INFO L443 ceAbstractionStarter]: For program point L232-1(lines 213 237) no Hoare annotation was computed. [2019-10-13 21:23:14,234 INFO L446 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: true [2019-10-13 21:23:14,234 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 455 466) no Hoare annotation was computed. [2019-10-13 21:23:14,234 INFO L443 ceAbstractionStarter]: For program point L459-1(lines 455 466) no Hoare annotation was computed. [2019-10-13 21:23:14,235 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 455 466) the Hoare annotation is: true [2019-10-13 21:23:14,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2019-10-13 21:23:14,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 644 651) no Hoare annotation was computed. [2019-10-13 21:23:14,235 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 644 651) the Hoare annotation is: true [2019-10-13 21:23:14,235 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 644 651) no Hoare annotation was computed. [2019-10-13 21:23:14,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:14 BoogieIcfgContainer [2019-10-13 21:23:14,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:14,257 INFO L168 Benchmark]: Toolchain (without parser) took 11105.88 ms. Allocated memory was 142.6 MB in the beginning and 388.0 MB in the end (delta: 245.4 MB). Free memory was 100.7 MB in the beginning and 175.4 MB in the end (delta: -74.7 MB). Peak memory consumption was 170.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:14,259 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-13 21:23:14,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 749.71 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 100.5 MB in the beginning and 170.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:14,262 INFO L168 Benchmark]: Boogie Preprocessor took 90.20 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 165.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:14,269 INFO L168 Benchmark]: RCFGBuilder took 1268.26 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 192.6 MB in the end (delta: -27.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:14,270 INFO L168 Benchmark]: TraceAbstraction took 8992.51 ms. Allocated memory was 235.9 MB in the beginning and 388.0 MB in the end (delta: 152.0 MB). Free memory was 192.6 MB in the beginning and 175.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:14,278 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 142.6 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 749.71 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 100.5 MB in the beginning and 170.2 MB in the end (delta: -69.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.20 ms. Allocated memory is still 203.4 MB. Free memory was 170.2 MB in the beginning and 165.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1268.26 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 165.4 MB in the beginning and 192.6 MB in the end (delta: -27.2 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8992.51 ms. Allocated memory was 235.9 MB in the beginning and 388.0 MB in the end (delta: 152.0 MB). Free memory was 192.6 MB in the beginning and 175.4 MB in the end (delta: 17.2 MB). Peak memory consumption was 169.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 648]: 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: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 272 locations, 1 error locations. Result: SAFE, OverallTime: 8.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 1816 SDtfs, 1314 SDslu, 4096 SDs, 0 SdLazy, 2069 SolverSat, 357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 281 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1940occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 332 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 77 LocationsWithAnnotation, 2117 PreInvPairs, 2118 NumberOfFragments, 87 HoareAnnotationTreeSize, 2117 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 77 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1100 NumberOfCodeBlocks, 1100 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1284 ConstructedInterpolants, 0 QuantifiedInterpolants, 303278 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1027 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 154/189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 129, 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...