java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:20:17,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:20:17,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:20:17,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:20:17,770 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:20:17,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:20:17,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:20:17,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:20:17,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:20:17,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:20:17,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:20:17,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:20:17,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:20:17,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:20:17,802 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:20:17,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:20:17,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:20:17,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:20:17,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:20:17,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:20:17,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:20:17,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:20:17,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:20:17,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:20:17,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:20:17,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:20:17,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:20:17,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:20:17,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:20:17,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:20:17,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:20:17,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:20:17,840 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:20:17,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:20:17,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:20:17,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:20:17,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:20:17,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:20:17,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:20:17,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:20:17,846 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:20:17,847 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:20:17,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:20:17,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:20:17,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:20:17,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:20:17,869 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:20:17,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:20:17,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:20:17,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:20:17,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:20:17,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:20:17,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:20:17,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:20:17,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:20:17,872 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:20:17,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:20:17,872 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:20:17,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:20:17,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:20:17,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:20:17,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:20:17,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:20:17,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:17,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:20:17,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:20:17,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:20:17,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:20:17,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:20:17,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:20:17,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:20:18,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:20:18,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:20:18,196 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:20:18,198 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:20:18,198 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:20:18,199 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2019-10-15 01:20:18,261 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d21b8c9/d5252c39748448ab8b5cfa4fd916684f/FLAGce81fbd88 [2019-10-15 01:20:18,796 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:20:18,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product42.cil.c [2019-10-15 01:20:18,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d21b8c9/d5252c39748448ab8b5cfa4fd916684f/FLAGce81fbd88 [2019-10-15 01:20:19,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33d21b8c9/d5252c39748448ab8b5cfa4fd916684f [2019-10-15 01:20:19,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:20:19,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:20:19,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:19,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:20:19,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:20:19,128 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4432d2ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19, skipping insertion in model container [2019-10-15 01:20:19,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,140 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:20:19,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:20:19,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:19,655 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:20:19,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:20:19,780 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:20:19,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19 WrapperNode [2019-10-15 01:20:19,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:20:19,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:20:19,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:20:19,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:20:19,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... [2019-10-15 01:20:19,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:20:19,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:20:19,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:20:19,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:20:19,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:20:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:20:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:20:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-15 01:20:19,956 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-15 01:20:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:20:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-15 01:20:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:20:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:20:19,958 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-15 01:20:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-15 01:20:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-15 01:20:19,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:20:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-15 01:20:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-15 01:20:19,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-15 01:20:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-15 01:20:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-15 01:20:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-15 01:20:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-15 01:20:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-15 01:20:19,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-15 01:20:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-15 01:20:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-15 01:20:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-15 01:20:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-15 01:20:19,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:19,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:20:19,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-15 01:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-15 01:20:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-15 01:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-15 01:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-15 01:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-15 01:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:20:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-15 01:20:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-15 01:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-15 01:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-15 01:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-15 01:20:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-15 01:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-15 01:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-10-15 01:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-15 01:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-15 01:20:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-15 01:20:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-15 01:20:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-15 01:20:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:20:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-15 01:20:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:20:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:20:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:20:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:20:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:20:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:20:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:20:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:20:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:20:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:20:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:20:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:20:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:20:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:20:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:20:19,976 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:20:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:20:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:20:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:20:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:20:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:20:21,070 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:20:21,070 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-15 01:20:21,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:21 BoogieIcfgContainer [2019-10-15 01:20:21,072 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:20:21,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:20:21,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:20:21,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:20:21,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:20:19" (1/3) ... [2019-10-15 01:20:21,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed150fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:21, skipping insertion in model container [2019-10-15 01:20:21,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:20:19" (2/3) ... [2019-10-15 01:20:21,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ed150fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:20:21, skipping insertion in model container [2019-10-15 01:20:21,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:20:21" (3/3) ... [2019-10-15 01:20:21,081 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42.cil.c [2019-10-15 01:20:21,091 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:20:21,100 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:20:21,111 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:20:21,139 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:20:21,140 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:20:21,140 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:20:21,140 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:20:21,140 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:20:21,141 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:20:21,141 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:20:21,141 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:20:21,165 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2019-10-15 01:20:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-15 01:20:21,175 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,177 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:21,179 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1349332709, now seen corresponding path program 1 times [2019-10-15 01:20:21,196 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,196 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925730150] [2019-10-15 01:20:21,196 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,543 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925730150] [2019-10-15 01:20:21,544 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:20:21,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590834847] [2019-10-15 01:20:21,550 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:20:21,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:20:21,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:21,571 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2019-10-15 01:20:21,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,633 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2019-10-15 01:20:21,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:20:21,635 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-10-15 01:20:21,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,649 INFO L225 Difference]: With dead ends: 254 [2019-10-15 01:20:21,649 INFO L226 Difference]: Without dead ends: 127 [2019-10-15 01:20:21,659 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:20:21,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-15 01:20:21,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-15 01:20:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-15 01:20:21,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2019-10-15 01:20:21,714 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2019-10-15 01:20:21,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:21,715 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2019-10-15 01:20:21,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:20:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2019-10-15 01:20:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-15 01:20:21,722 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,722 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:21,722 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1093164693, now seen corresponding path program 1 times [2019-10-15 01:20:21,724 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,724 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105309980] [2019-10-15 01:20:21,724 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,725 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:21,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:21,894 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105309980] [2019-10-15 01:20:21,895 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:21,895 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:20:21,896 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767066166] [2019-10-15 01:20:21,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:20:21,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:21,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:20:21,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:21,900 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2019-10-15 01:20:21,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:21,941 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2019-10-15 01:20:21,942 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:20:21,942 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-15 01:20:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:21,947 INFO L225 Difference]: With dead ends: 199 [2019-10-15 01:20:21,948 INFO L226 Difference]: Without dead ends: 118 [2019-10-15 01:20:21,953 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:20:21,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-15 01:20:21,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-15 01:20:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-15 01:20:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2019-10-15 01:20:21,978 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2019-10-15 01:20:21,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:21,980 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2019-10-15 01:20:21,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:20:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2019-10-15 01:20:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-10-15 01:20:21,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:21,987 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:21,987 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:21,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:21,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1756790423, now seen corresponding path program 1 times [2019-10-15 01:20:21,988 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:21,988 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525404630] [2019-10-15 01:20:21,988 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:21,989 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,235 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525404630] [2019-10-15 01:20:22,235 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,236 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-15 01:20:22,236 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141560786] [2019-10-15 01:20:22,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-15 01:20:22,237 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-15 01:20:22,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:22,238 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2019-10-15 01:20:22,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:22,653 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2019-10-15 01:20:22,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:22,656 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2019-10-15 01:20:22,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:22,658 INFO L225 Difference]: With dead ends: 212 [2019-10-15 01:20:22,658 INFO L226 Difference]: Without dead ends: 118 [2019-10-15 01:20:22,660 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:22,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2019-10-15 01:20:22,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2019-10-15 01:20:22,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-15 01:20:22,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2019-10-15 01:20:22,685 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2019-10-15 01:20:22,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:22,686 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2019-10-15 01:20:22,686 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-15 01:20:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2019-10-15 01:20:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-10-15 01:20:22,695 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:22,696 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:22,696 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:22,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:22,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1312872772, now seen corresponding path program 1 times [2019-10-15 01:20:22,697 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:22,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052860607] [2019-10-15 01:20:22,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:22,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:22,872 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052860607] [2019-10-15 01:20:22,872 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:22,872 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:22,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301903232] [2019-10-15 01:20:22,873 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:22,873 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:22,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:22,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:22,874 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2019-10-15 01:20:23,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,379 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2019-10-15 01:20:23,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:20:23,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2019-10-15 01:20:23,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,382 INFO L225 Difference]: With dead ends: 314 [2019-10-15 01:20:23,382 INFO L226 Difference]: Without dead ends: 220 [2019-10-15 01:20:23,383 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:20:23,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2019-10-15 01:20:23,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2019-10-15 01:20:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2019-10-15 01:20:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2019-10-15 01:20:23,409 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2019-10-15 01:20:23,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,409 INFO L462 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2019-10-15 01:20:23,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2019-10-15 01:20:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-10-15 01:20:23,411 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,411 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,412 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,412 INFO L82 PathProgramCache]: Analyzing trace with hash 362669874, now seen corresponding path program 1 times [2019-10-15 01:20:23,412 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,413 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386981738] [2019-10-15 01:20:23,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,413 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:23,544 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386981738] [2019-10-15 01:20:23,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:23,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:23,545 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181741149] [2019-10-15 01:20:23,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:23,546 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:23,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:23,547 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 6 states. [2019-10-15 01:20:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:23,784 INFO L93 Difference]: Finished difference Result 505 states and 606 transitions. [2019-10-15 01:20:23,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:20:23,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2019-10-15 01:20:23,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:23,789 INFO L225 Difference]: With dead ends: 505 [2019-10-15 01:20:23,790 INFO L226 Difference]: Without dead ends: 328 [2019-10-15 01:20:23,791 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:23,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-15 01:20:23,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 324. [2019-10-15 01:20:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-10-15 01:20:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 376 transitions. [2019-10-15 01:20:23,821 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 376 transitions. Word has length 80 [2019-10-15 01:20:23,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:23,822 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 376 transitions. [2019-10-15 01:20:23,822 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 376 transitions. [2019-10-15 01:20:23,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:23,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:23,824 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:23,824 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:23,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:23,825 INFO L82 PathProgramCache]: Analyzing trace with hash 871612076, now seen corresponding path program 1 times [2019-10-15 01:20:23,825 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:23,825 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090363283] [2019-10-15 01:20:23,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:23,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:23,961 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090363283] [2019-10-15 01:20:23,962 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:23,962 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:20:23,962 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723431024] [2019-10-15 01:20:23,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:20:23,964 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:23,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:20:23,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:20:23,965 INFO L87 Difference]: Start difference. First operand 324 states and 376 transitions. Second operand 6 states. [2019-10-15 01:20:24,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:24,173 INFO L93 Difference]: Finished difference Result 673 states and 808 transitions. [2019-10-15 01:20:24,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:24,174 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-10-15 01:20:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:24,183 INFO L225 Difference]: With dead ends: 673 [2019-10-15 01:20:24,184 INFO L226 Difference]: Without dead ends: 496 [2019-10-15 01:20:24,185 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:24,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-15 01:20:24,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 478. [2019-10-15 01:20:24,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-10-15 01:20:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 565 transitions. [2019-10-15 01:20:24,243 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 565 transitions. Word has length 84 [2019-10-15 01:20:24,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:24,245 INFO L462 AbstractCegarLoop]: Abstraction has 478 states and 565 transitions. [2019-10-15 01:20:24,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:20:24,245 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 565 transitions. [2019-10-15 01:20:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:24,248 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:24,248 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:24,248 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:24,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1201377837, now seen corresponding path program 1 times [2019-10-15 01:20:24,249 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:24,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452433015] [2019-10-15 01:20:24,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:24,249 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:24,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:24,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:24,340 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452433015] [2019-10-15 01:20:24,340 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:24,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:20:24,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549222323] [2019-10-15 01:20:24,341 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:20:24,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:24,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:20:24,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:24,343 INFO L87 Difference]: Start difference. First operand 478 states and 565 transitions. Second operand 5 states. [2019-10-15 01:20:24,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:24,426 INFO L93 Difference]: Finished difference Result 819 states and 986 transitions. [2019-10-15 01:20:24,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:20:24,426 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2019-10-15 01:20:24,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:24,430 INFO L225 Difference]: With dead ends: 819 [2019-10-15 01:20:24,430 INFO L226 Difference]: Without dead ends: 488 [2019-10-15 01:20:24,431 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:20:24,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-15 01:20:24,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 482. [2019-10-15 01:20:24,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-10-15 01:20:24,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2019-10-15 01:20:24,464 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2019-10-15 01:20:24,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:24,465 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2019-10-15 01:20:24,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:20:24,465 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2019-10-15 01:20:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-15 01:20:24,467 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:24,467 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:24,468 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:24,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1128991279, now seen corresponding path program 1 times [2019-10-15 01:20:24,468 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:24,468 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626365081] [2019-10-15 01:20:24,469 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:24,469 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:24,469 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:24,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:24,575 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [626365081] [2019-10-15 01:20:24,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:24,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-15 01:20:24,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418627995] [2019-10-15 01:20:24,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:20:24,576 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:24,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:20:24,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:20:24,577 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2019-10-15 01:20:24,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:24,648 INFO L93 Difference]: Finished difference Result 957 states and 1150 transitions. [2019-10-15 01:20:24,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:24,649 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2019-10-15 01:20:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:24,653 INFO L225 Difference]: With dead ends: 957 [2019-10-15 01:20:24,653 INFO L226 Difference]: Without dead ends: 499 [2019-10-15 01:20:24,655 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:24,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-15 01:20:24,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 489. [2019-10-15 01:20:24,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2019-10-15 01:20:24,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 575 transitions. [2019-10-15 01:20:24,689 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 575 transitions. Word has length 84 [2019-10-15 01:20:24,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:24,689 INFO L462 AbstractCegarLoop]: Abstraction has 489 states and 575 transitions. [2019-10-15 01:20:24,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:20:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 575 transitions. [2019-10-15 01:20:24,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-15 01:20:24,692 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:24,692 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] [2019-10-15 01:20:24,692 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:24,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:24,693 INFO L82 PathProgramCache]: Analyzing trace with hash -482545033, now seen corresponding path program 1 times [2019-10-15 01:20:24,693 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:24,694 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584282010] [2019-10-15 01:20:24,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:24,694 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:24,694 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:24,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:24,801 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584282010] [2019-10-15 01:20:24,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695605927] [2019-10-15 01:20:24,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:25,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 29 conjunts are in the unsatisfiable core [2019-10-15 01:20:25,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:20:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:20:25,242 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:20:25,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:25,664 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:20:25,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2019-10-15 01:20:25,665 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046758212] [2019-10-15 01:20:25,665 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:20:25,666 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:25,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:20:25,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:25,666 INFO L87 Difference]: Start difference. First operand 489 states and 575 transitions. Second operand 8 states. [2019-10-15 01:20:26,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:26,175 INFO L93 Difference]: Finished difference Result 1384 states and 1661 transitions. [2019-10-15 01:20:26,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:20:26,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2019-10-15 01:20:26,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:26,182 INFO L225 Difference]: With dead ends: 1384 [2019-10-15 01:20:26,182 INFO L226 Difference]: Without dead ends: 919 [2019-10-15 01:20:26,184 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2019-10-15 01:20:26,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2019-10-15 01:20:26,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 916. [2019-10-15 01:20:26,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2019-10-15 01:20:26,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1078 transitions. [2019-10-15 01:20:26,240 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1078 transitions. Word has length 96 [2019-10-15 01:20:26,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:26,241 INFO L462 AbstractCegarLoop]: Abstraction has 916 states and 1078 transitions. [2019-10-15 01:20:26,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:20:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1078 transitions. [2019-10-15 01:20:26,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-15 01:20:26,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:26,245 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:26,450 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:20:26,450 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:26,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:26,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1334976659, now seen corresponding path program 1 times [2019-10-15 01:20:26,451 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:26,451 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092498721] [2019-10-15 01:20:26,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,451 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-15 01:20:26,605 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092498721] [2019-10-15 01:20:26,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:26,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:26,606 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730275980] [2019-10-15 01:20:26,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:26,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:26,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:26,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:26,607 INFO L87 Difference]: Start difference. First operand 916 states and 1078 transitions. Second operand 10 states. [2019-10-15 01:20:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:26,873 INFO L93 Difference]: Finished difference Result 1756 states and 2103 transitions. [2019-10-15 01:20:26,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:20:26,874 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2019-10-15 01:20:26,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:26,880 INFO L225 Difference]: With dead ends: 1756 [2019-10-15 01:20:26,880 INFO L226 Difference]: Without dead ends: 864 [2019-10-15 01:20:26,883 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:26,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2019-10-15 01:20:26,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 850. [2019-10-15 01:20:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2019-10-15 01:20:26,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 986 transitions. [2019-10-15 01:20:26,932 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 986 transitions. Word has length 100 [2019-10-15 01:20:26,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:26,932 INFO L462 AbstractCegarLoop]: Abstraction has 850 states and 986 transitions. [2019-10-15 01:20:26,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:26,932 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 986 transitions. [2019-10-15 01:20:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-10-15 01:20:26,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:20:26,935 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:20:26,935 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:20:26,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:20:26,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1799494055, now seen corresponding path program 1 times [2019-10-15 01:20:26,936 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:20:26,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542651315] [2019-10-15 01:20:26,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:20:26,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:20:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:20:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-15 01:20:27,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542651315] [2019-10-15 01:20:27,107 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:20:27,107 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 01:20:27,108 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386345211] [2019-10-15 01:20:27,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 01:20:27,108 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:20:27,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 01:20:27,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-15 01:20:27,109 INFO L87 Difference]: Start difference. First operand 850 states and 986 transitions. Second operand 10 states. [2019-10-15 01:20:27,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:20:27,392 INFO L93 Difference]: Finished difference Result 1677 states and 1950 transitions. [2019-10-15 01:20:27,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:20:27,393 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2019-10-15 01:20:27,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:20:27,394 INFO L225 Difference]: With dead ends: 1677 [2019-10-15 01:20:27,394 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:20:27,402 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-15 01:20:27,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:20:27,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:20:27,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:20:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:20:27,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2019-10-15 01:20:27,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:20:27,404 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:20:27,404 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 01:20:27,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:20:27,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:20:27,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:20:28,223 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 23 [2019-10-15 01:20:28,366 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-10-15 01:20:28,951 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2019-10-15 01:20:29,437 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2019-10-15 01:20:29,564 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2019-10-15 01:20:30,025 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-10-15 01:20:30,267 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2019-10-15 01:20:30,402 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 23 [2019-10-15 01:20:30,767 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 33 [2019-10-15 01:20:30,875 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2019-10-15 01:20:31,371 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2019-10-15 01:20:31,801 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 22 [2019-10-15 01:20:32,070 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-10-15 01:20:32,328 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 29 [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point L636(lines 613 637) no Hoare annotation was computed. [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 589 644) no Hoare annotation was computed. [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point L620(lines 620 624) no Hoare annotation was computed. [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point L620-1(lines 620 624) no Hoare annotation was computed. [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point L615(line 615) no Hoare annotation was computed. [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 589 644) no Hoare annotation was computed. [2019-10-15 01:20:32,363 INFO L443 ceAbstractionStarter]: For program point L614-2(lines 614 635) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 589 644) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L672(line 672) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L671-2(lines 671 696) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L697(lines 670 698) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 645 704) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L690-1(line 690) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 645 704) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 645 704) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 681) no Hoare annotation was computed. [2019-10-15 01:20:32,364 INFO L443 ceAbstractionStarter]: For program point L677-1(lines 677 681) no Hoare annotation was computed. [2019-10-15 01:20:32,365 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2019-10-15 01:20:32,365 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2019-10-15 01:20:32,365 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2019-10-15 01:20:32,365 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2019-10-15 01:20:32,365 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2019-10-15 01:20:32,365 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:20:32,365 INFO L443 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2019-10-15 01:20:32,365 INFO L439 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,366 INFO L439 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,366 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,366 INFO L439 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,366 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:20:32,366 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2019-10-15 01:20:32,366 INFO L439 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-15 01:20:32,367 INFO L439 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0))) [2019-10-15 01:20:32,367 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2019-10-15 01:20:32,367 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:32,367 INFO L443 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2019-10-15 01:20:32,367 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:32,367 INFO L443 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2019-10-15 01:20:32,367 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L89(line 89) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L86(line 86) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L83(line 83) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2019-10-15 01:20:32,368 INFO L443 ceAbstractionStarter]: For program point L80(line 80) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 361) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point L353-2(lines 353 361) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 349) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point L341-2(lines 341 349) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 334 369) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point L364-1(line 364) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 334 369) no Hoare annotation was computed. [2019-10-15 01:20:32,369 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 334 369) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 543 588) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 543 588) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 543 588) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 856 901) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 883) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 856 901) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point L870(lines 870 890) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 856 901) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L443 ceAbstractionStarter]: For program point L870-1(lines 870 890) no Hoare annotation was computed. [2019-10-15 01:20:32,370 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2019-10-15 01:20:32,371 INFO L446 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point deactivatePumpENTRY(lines 306 313) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 306 313) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 306 313) no Hoare annotation was computed. [2019-10-15 01:20:32,371 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2019-10-15 01:20:32,372 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2019-10-15 01:20:32,372 INFO L443 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2019-10-15 01:20:32,372 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2019-10-15 01:20:32,372 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2019-10-15 01:20:32,372 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse2))) [2019-10-15 01:20:32,372 INFO L439 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse5 .cse1 .cse2) (or .cse3 .cse5 .cse4 .cse1))) [2019-10-15 01:20:32,372 INFO L443 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2019-10-15 01:20:32,373 INFO L439 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse2 .cse4) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2019-10-15 01:20:32,373 INFO L439 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 1 processEnvironment_~tmp~2) .cse7)) (.cse3 (and (not (= ~waterLevel~0 2)) .cse7)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse0 .cse4 .cse3 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse4 .cse5)))) [2019-10-15 01:20:32,373 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-10-15 01:20:32,373 INFO L439 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2) (or .cse4 .cse1 .cse2 .cse0) (or .cse5 .cse2 .cse3))) [2019-10-15 01:20:32,373 INFO L443 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2019-10-15 01:20:32,373 INFO L443 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2019-10-15 01:20:32,373 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2019-10-15 01:20:32,373 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2019-10-15 01:20:32,374 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,374 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-15 01:20:32,374 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2019-10-15 01:20:32,374 INFO L439 ceAbstractionStarter]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-15 01:20:32,374 INFO L443 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2019-10-15 01:20:32,374 INFO L439 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-15 01:20:32,374 INFO L443 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2019-10-15 01:20:32,374 INFO L439 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-15 01:20:32,374 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L439 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L439 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-15 01:20:32,375 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~methaneLevelCritical~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~waterLevel~0 2)) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse4) (and .cse0 .cse2 .cse3 .cse5))) [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point L830(lines 830 837) no Hoare annotation was computed. [2019-10-15 01:20:32,375 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 810 855) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point L824(lines 824 844) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point L824-1(lines 824 844) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 810 855) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 810 855) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 446 468) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 462) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 446 468) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 446 468) no Hoare annotation was computed. [2019-10-15 01:20:32,376 INFO L443 ceAbstractionStarter]: For program point L454-2(lines 454 462) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 503 512) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 503 512) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 503 512) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 707 809) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 806) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 776) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L777(lines 755 778) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 707 809) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 752) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L796(lines 796 803) no Hoare annotation was computed. [2019-10-15 01:20:32,377 INFO L443 ceAbstractionStarter]: For program point L757(lines 756 776) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point L788(line 788) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point L788-1(line 788) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 707 809) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 794) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point L772(line 772) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,378 INFO L439 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) .cse2) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2019-10-15 01:20:32,378 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L439 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L446 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2019-10-15 01:20:32,379 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2019-10-15 01:20:32,379 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~methaneLevelCritical~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse1 .cse5 .cse3 .cse0) (or .cse2 .cse3 .cse6 .cse4))) [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,380 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse7 .cse8 .cse2 .cse9 .cse3) (or .cse4 .cse7 .cse1 .cse9 .cse2) (or .cse8 .cse2 .cse5 .cse6 .cse3) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse4 .cse7 .cse8 .cse2 .cse9) (or .cse8 .cse2 .cse3 .cse10) (or .cse4 .cse5 .cse8 .cse2 .cse6) (or .cse10 .cse4 .cse8 .cse2) (or .cse7 .cse1 .cse2 .cse9 .cse3))) [2019-10-15 01:20:32,381 INFO L439 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (= |old(~waterLevel~0)| 2)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2 .cse6) (or .cse4 .cse7 .cse8 .cse2) (or .cse4 .cse9 .cse1 .cse10 .cse2) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse0) (or .cse7 .cse8 .cse2 .cse3) (or .cse9 .cse1 .cse2 .cse10 .cse3))) [2019-10-15 01:20:32,381 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2019-10-15 01:20:32,381 INFO L439 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~waterLevel~0)| 2)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~waterLevel~0 2))) (.cse10 (= ~pumpRunning~0 0)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3) (or .cse5 .cse2 .cse8 .cse3 .cse9) (or .cse5 .cse2 .cse6 .cse3 .cse10) (or .cse5 .cse1 .cse2 .cse0 .cse3) (or .cse2 .cse8 .cse3 .cse9 .cse4) (or .cse2 .cse3 (and .cse0 .cse10) .cse4 .cse6) (or .cse6 .cse7 .cse3 .cse4))) [2019-10-15 01:20:32,381 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2019-10-15 01:20:32,381 INFO L439 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse0 .cse2 .cse3 .cse6 .cse7) (or .cse2 .cse3 .cse5 .cse1))) [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2019-10-15 01:20:32,382 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2019-10-15 01:20:32,382 INFO L446 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2019-10-15 01:20:32,382 INFO L446 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2019-10-15 01:20:32,382 INFO L446 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2019-10-15 01:20:32,382 INFO L446 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2019-10-15 01:20:32,382 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2019-10-15 01:20:32,382 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2019-10-15 01:20:32,383 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2019-10-15 01:20:32,383 INFO L439 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2019-10-15 01:20:32,383 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2019-10-15 01:20:32,383 INFO L443 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2019-10-15 01:20:32,383 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2019-10-15 01:20:32,383 INFO L439 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2019-10-15 01:20:32,383 INFO L443 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2019-10-15 01:20:32,384 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2019-10-15 01:20:32,384 INFO L443 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2019-10-15 01:20:32,384 INFO L439 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2019-10-15 01:20:32,384 INFO L443 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2019-10-15 01:20:32,384 INFO L443 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2019-10-15 01:20:32,384 INFO L446 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2019-10-15 01:20:32,384 INFO L443 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2019-10-15 01:20:32,384 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0 .cse3))) [2019-10-15 01:20:32,384 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2019-10-15 01:20:32,385 INFO L443 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2019-10-15 01:20:32,385 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2019-10-15 01:20:32,385 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2019-10-15 01:20:32,385 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,385 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-15 01:20:32,385 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:20:32,385 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:20:32,385 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2019-10-15 01:20:32,386 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= 1 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse3 .cse5) (or .cse1 .cse4 .cse3 .cse0) (or .cse2 .cse3 .cse5 .cse0))) [2019-10-15 01:20:32,386 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2019-10-15 01:20:32,386 INFO L443 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2019-10-15 01:20:32,386 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2019-10-15 01:20:32,386 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse5 .cse8 .cse1) (or .cse7 .cse5 .cse1 .cse8 .cse4) (or .cse6 .cse7 .cse0 .cse1 .cse8) (or .cse6 .cse2 .cse0 .cse1 .cse3) (or .cse7 .cse0 .cse1 .cse8 .cse4) (or .cse6 .cse5 .cse2 .cse1 .cse3))) [2019-10-15 01:20:32,386 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2019-10-15 01:20:32,386 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2019-10-15 01:20:32,386 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2019-10-15 01:20:32,387 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2019-10-15 01:20:32,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:20:32 BoogieIcfgContainer [2019-10-15 01:20:32,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:20:32,408 INFO L168 Benchmark]: Toolchain (without parser) took 13282.96 ms. Allocated memory was 146.3 MB in the beginning and 400.0 MB in the end (delta: 253.8 MB). Free memory was 103.2 MB in the beginning and 301.3 MB in the end (delta: -198.0 MB). Peak memory consumption was 227.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:32,409 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 01:20:32,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 658.75 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 171.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:32,411 INFO L168 Benchmark]: Boogie Preprocessor took 96.96 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 167.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:32,412 INFO L168 Benchmark]: RCFGBuilder took 1192.57 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 195.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:32,413 INFO L168 Benchmark]: TraceAbstraction took 11329.96 ms. Allocated memory was 235.4 MB in the beginning and 400.0 MB in the end (delta: 164.6 MB). Free memory was 195.3 MB in the beginning and 301.3 MB in the end (delta: -105.9 MB). Peak memory consumption was 230.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:20:32,422 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 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 658.75 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 103.0 MB in the beginning and 171.1 MB in the end (delta: -68.0 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.96 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 167.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1192.57 ms. Allocated memory was 204.5 MB in the beginning and 235.4 MB in the end (delta: 30.9 MB). Free memory was 167.1 MB in the beginning and 195.3 MB in the end (delta: -28.3 MB). Peak memory consumption was 80.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11329.96 ms. Allocated memory was 235.4 MB in the beginning and 400.0 MB in the end (delta: 164.6 MB). Free memory was 195.3 MB in the beginning and 301.3 MB in the end (delta: -105.9 MB). Peak memory consumption was 230.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((1 == systemActive && !(waterLevel == 2)) && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 1)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 1) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == splverifierCounter) && pumpRunning == 0) && 1 == methaneLevelCritical) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 229 locations, 1 error locations. Result: SAFE, OverallTime: 11.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.9s, HoareTripleCheckerStatistics: 1706 SDtfs, 745 SDslu, 6144 SDs, 0 SdLazy, 1068 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 302 GetRequests, 223 SyntacticMatches, 1 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=916occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 74 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1671 PreInvPairs, 1785 NumberOfFragments, 2224 HoareAnnotationTreeSize, 1671 FomulaSimplifications, 1547 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 7967 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1036 ConstructedInterpolants, 0 QuantifiedInterpolants, 153505 SizeOfPredicates, 6 NumberOfNonLiveVariables, 769 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 11/15 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...