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_spec4_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:08,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:08,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:08,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:08,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:08,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:08,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:08,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:08,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:08,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:08,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:08,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:08,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:08,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:08,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:08,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:08,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:08,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:08,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:08,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:08,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:08,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:08,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:08,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:08,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:08,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:08,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:08,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:08,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:08,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:08,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:08,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:08,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:08,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:08,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:08,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:08,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:08,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:08,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:08,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:08,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:08,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:22:08,740 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:08,740 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:08,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:08,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:08,743 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:08,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:08,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:08,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:08,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:08,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:08,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:08,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:08,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:08,746 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:08,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:08,746 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:08,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:08,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:08,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:08,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:08,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:08,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:08,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:08,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:08,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:08,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:08,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:08,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:08,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:22:09,060 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:09,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:09,078 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:09,079 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:09,080 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:09,080 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-10-13 21:22:09,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d35a0001/0cbe2113d6904b44927e2c763f701439/FLAG8a2d02a4e [2019-10-13 21:22:09,760 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:09,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product62.cil.c [2019-10-13 21:22:09,776 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d35a0001/0cbe2113d6904b44927e2c763f701439/FLAG8a2d02a4e [2019-10-13 21:22:10,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d35a0001/0cbe2113d6904b44927e2c763f701439 [2019-10-13 21:22:10,026 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:10,028 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:10,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:10,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:10,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:10,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@331b6912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10, skipping insertion in model container [2019-10-13 21:22:10,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:10,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:10,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:10,651 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:10,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:10,802 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:10,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10 WrapperNode [2019-10-13 21:22:10,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:10,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:10,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:10,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:10,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... [2019-10-13 21:22:10,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:10,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:10,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:10,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:10,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:10,971 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:10,972 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:10,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:10,974 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:10,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:22:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:10,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:10,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:10,980 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:10,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:10,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:10,983 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:10,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:10,984 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:10,985 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:10,986 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-10-13 21:22:10,987 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:10,988 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-10-13 21:22:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:10,989 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:10,990 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:10,991 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:10,992 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:10,993 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:10,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:12,098 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:12,098 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:12,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:12 BoogieIcfgContainer [2019-10-13 21:22:12,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:12,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:12,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:12,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:12,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:10" (1/3) ... [2019-10-13 21:22:12,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1622b075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:12, skipping insertion in model container [2019-10-13 21:22:12,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:10" (2/3) ... [2019-10-13 21:22:12,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1622b075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:12, skipping insertion in model container [2019-10-13 21:22:12,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:12" (3/3) ... [2019-10-13 21:22:12,111 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62.cil.c [2019-10-13 21:22:12,122 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:12,134 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:12,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:12,186 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:12,186 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:12,186 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:12,187 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:12,187 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:12,188 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:12,188 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:12,188 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-10-13 21:22:12,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:22:12,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:12,229 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:12,231 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:12,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:12,238 INFO L82 PathProgramCache]: Analyzing trace with hash 182694304, now seen corresponding path program 1 times [2019-10-13 21:22:12,249 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:12,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860775308] [2019-10-13 21:22:12,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,250 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:12,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:12,621 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860775308] [2019-10-13 21:22:12,622 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:12,622 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:12,623 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436538151] [2019-10-13 21:22:12,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:12,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:12,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:12,658 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-10-13 21:22:12,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:12,709 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2019-10-13 21:22:12,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:12,711 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:22:12,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:12,726 INFO L225 Difference]: With dead ends: 314 [2019-10-13 21:22:12,726 INFO L226 Difference]: Without dead ends: 157 [2019-10-13 21:22:12,731 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:12,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2019-10-13 21:22:12,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2019-10-13 21:22:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2019-10-13 21:22:12,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2019-10-13 21:22:12,793 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2019-10-13 21:22:12,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:12,793 INFO L462 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2019-10-13 21:22:12,794 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2019-10-13 21:22:12,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:22:12,798 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:12,798 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:12,798 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:12,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:12,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1720628684, now seen corresponding path program 1 times [2019-10-13 21:22:12,799 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:12,799 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418620919] [2019-10-13 21:22:12,799 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:12,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:12,982 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418620919] [2019-10-13 21:22:12,983 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:12,983 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:12,983 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922224095] [2019-10-13 21:22:12,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:12,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:12,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:12,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:12,987 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2019-10-13 21:22:13,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:13,037 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2019-10-13 21:22:13,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:13,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:22:13,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:13,042 INFO L225 Difference]: With dead ends: 259 [2019-10-13 21:22:13,043 INFO L226 Difference]: Without dead ends: 148 [2019-10-13 21:22:13,047 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:13,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-13 21:22:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-10-13 21:22:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-13 21:22:13,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2019-10-13 21:22:13,085 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2019-10-13 21:22:13,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:13,086 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2019-10-13 21:22:13,086 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:13,086 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2019-10-13 21:22:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:22:13,094 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:13,095 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:13,095 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:13,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:13,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1588538268, now seen corresponding path program 1 times [2019-10-13 21:22:13,097 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:13,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372248092] [2019-10-13 21:22:13,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:13,294 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372248092] [2019-10-13 21:22:13,294 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:13,295 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:13,295 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463461833] [2019-10-13 21:22:13,296 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:13,296 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:13,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:13,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:13,297 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 7 states. [2019-10-13 21:22:13,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:13,717 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2019-10-13 21:22:13,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:13,718 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:22:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:13,721 INFO L225 Difference]: With dead ends: 272 [2019-10-13 21:22:13,722 INFO L226 Difference]: Without dead ends: 148 [2019-10-13 21:22:13,724 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:13,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2019-10-13 21:22:13,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2019-10-13 21:22:13,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2019-10-13 21:22:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2019-10-13 21:22:13,743 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2019-10-13 21:22:13,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:13,743 INFO L462 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2019-10-13 21:22:13,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2019-10-13 21:22:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:13,746 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:13,747 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:13,747 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:13,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:13,747 INFO L82 PathProgramCache]: Analyzing trace with hash 265767055, now seen corresponding path program 1 times [2019-10-13 21:22:13,748 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:13,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533175982] [2019-10-13 21:22:13,748 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:13,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:13,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:13,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533175982] [2019-10-13 21:22:13,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:13,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:22:13,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040031064] [2019-10-13 21:22:13,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:13,871 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:13,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:13,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:22:13,872 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2019-10-13 21:22:14,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:14,442 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2019-10-13 21:22:14,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:14,445 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-10-13 21:22:14,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:14,453 INFO L225 Difference]: With dead ends: 389 [2019-10-13 21:22:14,453 INFO L226 Difference]: Without dead ends: 265 [2019-10-13 21:22:14,455 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:14,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2019-10-13 21:22:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2019-10-13 21:22:14,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2019-10-13 21:22:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2019-10-13 21:22:14,502 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2019-10-13 21:22:14,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:14,503 INFO L462 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2019-10-13 21:22:14,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:14,503 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2019-10-13 21:22:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 21:22:14,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:14,505 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:14,505 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:14,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:14,506 INFO L82 PathProgramCache]: Analyzing trace with hash 990610989, now seen corresponding path program 1 times [2019-10-13 21:22:14,506 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:14,507 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732967514] [2019-10-13 21:22:14,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:14,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:14,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732967514] [2019-10-13 21:22:14,691 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:14,691 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 21:22:14,691 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651413826] [2019-10-13 21:22:14,692 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 21:22:14,692 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:14,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 21:22:14,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:14,693 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 10 states. [2019-10-13 21:22:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:15,407 INFO L93 Difference]: Finished difference Result 803 states and 971 transitions. [2019-10-13 21:22:15,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:22:15,409 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2019-10-13 21:22:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:15,419 INFO L225 Difference]: With dead ends: 803 [2019-10-13 21:22:15,419 INFO L226 Difference]: Without dead ends: 581 [2019-10-13 21:22:15,425 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:15,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-13 21:22:15,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2019-10-13 21:22:15,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-10-13 21:22:15,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 660 transitions. [2019-10-13 21:22:15,502 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 660 transitions. Word has length 84 [2019-10-13 21:22:15,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:15,503 INFO L462 AbstractCegarLoop]: Abstraction has 571 states and 660 transitions. [2019-10-13 21:22:15,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 21:22:15,503 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 660 transitions. [2019-10-13 21:22:15,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-13 21:22:15,512 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:15,513 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:15,513 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:15,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:15,514 INFO L82 PathProgramCache]: Analyzing trace with hash -212088065, now seen corresponding path program 1 times [2019-10-13 21:22:15,514 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:15,514 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827591041] [2019-10-13 21:22:15,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:15,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 21:22:15,690 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827591041] [2019-10-13 21:22:15,691 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555166007] [2019-10-13 21:22:15,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:15,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-13 21:22:15,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:22:16,131 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:16,472 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:16,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 21:22:16,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:16,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6, 10] total 19 [2019-10-13 21:22:16,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785554015] [2019-10-13 21:22:16,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 21:22:16,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:16,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 21:22:16,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:16,716 INFO L87 Difference]: Start difference. First operand 571 states and 660 transitions. Second operand 11 states. [2019-10-13 21:22:18,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:18,455 INFO L93 Difference]: Finished difference Result 1235 states and 1564 transitions. [2019-10-13 21:22:18,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 21:22:18,457 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 152 [2019-10-13 21:22:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:18,465 INFO L225 Difference]: With dead ends: 1235 [2019-10-13 21:22:18,465 INFO L226 Difference]: Without dead ends: 816 [2019-10-13 21:22:18,468 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 282 SyntacticMatches, 12 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2019-10-13 21:22:18,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2019-10-13 21:22:18,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 715. [2019-10-13 21:22:18,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2019-10-13 21:22:18,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 840 transitions. [2019-10-13 21:22:18,529 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 840 transitions. Word has length 152 [2019-10-13 21:22:18,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:18,530 INFO L462 AbstractCegarLoop]: Abstraction has 715 states and 840 transitions. [2019-10-13 21:22:18,530 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 21:22:18,530 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 840 transitions. [2019-10-13 21:22:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 21:22:18,533 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:18,533 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:18,738 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:18,739 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:18,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:18,739 INFO L82 PathProgramCache]: Analyzing trace with hash 2008036261, now seen corresponding path program 1 times [2019-10-13 21:22:18,740 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:18,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246435854] [2019-10-13 21:22:18,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:18,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:18,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 21:22:18,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246435854] [2019-10-13 21:22:18,866 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1198250248] [2019-10-13 21:22:18,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:19,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 887 conjuncts, 11 conjunts are in the unsatisfiable core [2019-10-13 21:22:19,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:19,140 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:22:19,141 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 21:22:19,503 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:19,503 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 6] total 6 [2019-10-13 21:22:19,504 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374211995] [2019-10-13 21:22:19,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:19,505 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:19,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:19,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:19,506 INFO L87 Difference]: Start difference. First operand 715 states and 840 transitions. Second operand 6 states. [2019-10-13 21:22:19,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:19,570 INFO L93 Difference]: Finished difference Result 1434 states and 1752 transitions. [2019-10-13 21:22:19,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:19,571 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2019-10-13 21:22:19,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:19,576 INFO L225 Difference]: With dead ends: 1434 [2019-10-13 21:22:19,576 INFO L226 Difference]: Without dead ends: 743 [2019-10-13 21:22:19,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:19,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 743 states. [2019-10-13 21:22:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 743 to 735. [2019-10-13 21:22:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2019-10-13 21:22:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 862 transitions. [2019-10-13 21:22:19,621 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 862 transitions. Word has length 148 [2019-10-13 21:22:19,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:19,622 INFO L462 AbstractCegarLoop]: Abstraction has 735 states and 862 transitions. [2019-10-13 21:22:19,622 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 862 transitions. [2019-10-13 21:22:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 21:22:19,625 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:19,625 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:19,830 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:19,830 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:19,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:19,831 INFO L82 PathProgramCache]: Analyzing trace with hash -935545817, now seen corresponding path program 1 times [2019-10-13 21:22:19,831 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:19,832 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349065185] [2019-10-13 21:22:19,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,832 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:19,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 21:22:19,929 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349065185] [2019-10-13 21:22:19,930 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424712868] [2019-10-13 21:22:19,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:20,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:20,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:22:20,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:22:20,242 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 21:22:20,587 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:22:20,588 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2019-10-13 21:22:20,588 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553884474] [2019-10-13 21:22:20,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:22:20,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:20,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:22:20,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:22:20,589 INFO L87 Difference]: Start difference. First operand 735 states and 862 transitions. Second operand 5 states. [2019-10-13 21:22:20,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:20,639 INFO L93 Difference]: Finished difference Result 1287 states and 1551 transitions. [2019-10-13 21:22:20,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 21:22:20,640 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2019-10-13 21:22:20,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:20,644 INFO L225 Difference]: With dead ends: 1287 [2019-10-13 21:22:20,644 INFO L226 Difference]: Without dead ends: 576 [2019-10-13 21:22:20,646 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 293 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:22:20,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-13 21:22:20,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-13 21:22:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-13 21:22:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 679 transitions. [2019-10-13 21:22:20,681 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 679 transitions. Word has length 148 [2019-10-13 21:22:20,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:20,681 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 679 transitions. [2019-10-13 21:22:20,682 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:22:20,682 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 679 transitions. [2019-10-13 21:22:20,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-13 21:22:20,685 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:20,686 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:20,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:20,901 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:20,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:20,901 INFO L82 PathProgramCache]: Analyzing trace with hash 1621582473, now seen corresponding path program 1 times [2019-10-13 21:22:20,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:20,902 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534758125] [2019-10-13 21:22:20,902 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:20,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:20,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-10-13 21:22:21,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534758125] [2019-10-13 21:22:21,071 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:21,071 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:21,071 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669581967] [2019-10-13 21:22:21,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:21,073 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:21,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:21,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:21,074 INFO L87 Difference]: Start difference. First operand 576 states and 679 transitions. Second operand 9 states. [2019-10-13 21:22:21,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:21,952 INFO L93 Difference]: Finished difference Result 1555 states and 1874 transitions. [2019-10-13 21:22:21,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-13 21:22:21,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 222 [2019-10-13 21:22:21,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:21,959 INFO L225 Difference]: With dead ends: 1555 [2019-10-13 21:22:21,959 INFO L226 Difference]: Without dead ends: 1003 [2019-10-13 21:22:21,968 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:21,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2019-10-13 21:22:22,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 1000. [2019-10-13 21:22:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2019-10-13 21:22:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1168 transitions. [2019-10-13 21:22:22,027 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1168 transitions. Word has length 222 [2019-10-13 21:22:22,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:22,028 INFO L462 AbstractCegarLoop]: Abstraction has 1000 states and 1168 transitions. [2019-10-13 21:22:22,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:22,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1168 transitions. [2019-10-13 21:22:22,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 21:22:22,033 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:22,033 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:22,033 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:22,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:22,034 INFO L82 PathProgramCache]: Analyzing trace with hash 933152869, now seen corresponding path program 1 times [2019-10-13 21:22:22,034 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:22,034 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531381616] [2019-10-13 21:22:22,034 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:22,035 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:22,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-13 21:22:22,159 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531381616] [2019-10-13 21:22:22,159 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:22,160 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:22,160 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240648169] [2019-10-13 21:22:22,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:22,161 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:22,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:22,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:22,161 INFO L87 Difference]: Start difference. First operand 1000 states and 1168 transitions. Second operand 6 states. [2019-10-13 21:22:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:22,403 INFO L93 Difference]: Finished difference Result 1009 states and 1181 transitions. [2019-10-13 21:22:22,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:22,404 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 226 [2019-10-13 21:22:22,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:22,412 INFO L225 Difference]: With dead ends: 1009 [2019-10-13 21:22:22,413 INFO L226 Difference]: Without dead ends: 1006 [2019-10-13 21:22:22,414 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:22,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2019-10-13 21:22:22,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 1000. [2019-10-13 21:22:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2019-10-13 21:22:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1166 transitions. [2019-10-13 21:22:22,486 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1166 transitions. Word has length 226 [2019-10-13 21:22:22,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:22,486 INFO L462 AbstractCegarLoop]: Abstraction has 1000 states and 1166 transitions. [2019-10-13 21:22:22,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1166 transitions. [2019-10-13 21:22:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-13 21:22:22,495 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:22,496 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:22,496 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:22,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:22,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1949464188, now seen corresponding path program 1 times [2019-10-13 21:22:22,497 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:22,497 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312098011] [2019-10-13 21:22:22,497 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:22,498 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:22,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:22,800 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 21:22:22,801 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312098011] [2019-10-13 21:22:22,801 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946522302] [2019-10-13 21:22:22,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:23,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 1110 conjuncts, 15 conjunts are in the unsatisfiable core [2019-10-13 21:22:23,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:23,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 122 proven. 26 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-13 21:22:23,248 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:22:23,531 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:23,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:23,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:23,681 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:23,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-13 21:22:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 21:22:24,011 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1428840502] [2019-10-13 21:22:24,018 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 245 [2019-10-13 21:22:24,062 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:22:24,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:22:24,134 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:22:24,136 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-10-13 21:22:24,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:24,141 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:22:24,213 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:22:24,213 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:22:24,218 INFO L553 sIntCurrentIteration]: We unified 243 AI predicates to 243 [2019-10-13 21:22:24,219 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:22:24,220 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:22:24,220 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 10, 10] total 17 [2019-10-13 21:22:24,220 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49668795] [2019-10-13 21:22:24,221 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:24,222 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:24,222 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:22:24,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:24,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:24,223 INFO L87 Difference]: Start difference. First operand 1000 states and 1166 transitions. Second operand 2 states. [2019-10-13 21:22:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:24,235 INFO L93 Difference]: Finished difference Result 1000 states and 1166 transitions. [2019-10-13 21:22:24,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:24,235 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 244 [2019-10-13 21:22:24,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:24,236 INFO L225 Difference]: With dead ends: 1000 [2019-10-13 21:22:24,236 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:22:24,241 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:24,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:22:24,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:22:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:22:24,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:22:24,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2019-10-13 21:22:24,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:24,242 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:22:24,242 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:24,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:22:24,243 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:22:24,448 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:22:24,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:22:24,798 INFO L443 ceAbstractionStarter]: For program point L639(lines 616 640) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 592 647) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 627) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point L623-1(lines 623 627) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point L618(line 618) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point L617-2(lines 617 638) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 592 647) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 592 647) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point L674-2(lines 674 699) no Hoare annotation was computed. [2019-10-13 21:22:24,799 INFO L443 ceAbstractionStarter]: For program point L700(lines 673 701) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 648 707) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point L693(line 693) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point L693-1(line 693) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 648 707) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 648 707) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point L680-1(lines 680 684) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L443 ceAbstractionStarter]: For program point L675(line 675) no Hoare annotation was computed. [2019-10-13 21:22:24,800 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2019-10-13 21:22:24,801 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2019-10-13 21:22:24,801 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2019-10-13 21:22:24,801 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2019-10-13 21:22:24,801 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2019-10-13 21:22:24,801 INFO L443 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2019-10-13 21:22:24,801 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2019-10-13 21:22:24,801 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2019-10-13 21:22:24,801 INFO L446 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2019-10-13 21:22:24,801 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-10-13 21:22:24,802 INFO L446 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: true [2019-10-13 21:22:24,802 INFO L443 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2019-10-13 21:22:24,802 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2019-10-13 21:22:24,802 INFO L443 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2019-10-13 21:22:24,802 INFO L446 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2019-10-13 21:22:24,802 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: true [2019-10-13 21:22:24,802 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2019-10-13 21:22:24,802 INFO L446 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2019-10-13 21:22:24,802 INFO L446 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: true [2019-10-13 21:22:24,802 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L446 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: true [2019-10-13 21:22:24,803 INFO L446 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: true [2019-10-13 21:22:24,803 INFO L446 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: true [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point L480(line 480) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 475 498) no Hoare annotation was computed. [2019-10-13 21:22:24,803 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 475 498) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 475 498) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L492(line 492) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L489(line 489) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L486(line 486) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-13 21:22:24,804 INFO L443 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-10-13 21:22:24,805 INFO L443 ceAbstractionStarter]: For program point L483(line 483) no Hoare annotation was computed. [2019-10-13 21:22:24,805 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-13 21:22:24,805 INFO L446 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: true [2019-10-13 21:22:24,805 INFO L443 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2019-10-13 21:22:24,805 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: true [2019-10-13 21:22:24,805 INFO L446 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: true [2019-10-13 21:22:24,805 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2019-10-13 21:22:24,805 INFO L446 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2019-10-13 21:22:24,805 INFO L443 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2019-10-13 21:22:24,805 INFO L446 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: true [2019-10-13 21:22:24,806 INFO L443 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2019-10-13 21:22:24,806 INFO L443 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2019-10-13 21:22:24,806 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2019-10-13 21:22:24,806 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2019-10-13 21:22:24,806 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2019-10-13 21:22:24,806 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2019-10-13 21:22:24,806 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2019-10-13 21:22:24,806 INFO L446 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point L315(lines 315 323) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point L315-2(lines 315 323) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point L303(lines 303 311) no Hoare annotation was computed. [2019-10-13 21:22:24,807 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 296 331) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point L303-2(lines 303 311) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 296 331) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point L326(line 326) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point L326-1(line 326) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 296 331) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 546 591) no Hoare annotation was computed. [2019-10-13 21:22:24,808 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 546 591) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 546 591) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 859 904) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point L879(lines 879 886) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 859 904) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 893) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point L873-1(lines 873 893) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 859 904) no Hoare annotation was computed. [2019-10-13 21:22:24,809 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: true [2019-10-13 21:22:24,810 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2019-10-13 21:22:24,810 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2019-10-13 21:22:24,810 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2019-10-13 21:22:24,810 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2019-10-13 21:22:24,810 INFO L446 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2019-10-13 21:22:24,810 INFO L443 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2019-10-13 21:22:24,810 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2019-10-13 21:22:24,810 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: true [2019-10-13 21:22:24,810 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2019-10-13 21:22:24,811 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2019-10-13 21:22:24,811 INFO L443 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2019-10-13 21:22:24,811 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2019-10-13 21:22:24,811 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2019-10-13 21:22:24,811 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2019-10-13 21:22:24,812 INFO L446 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: true [2019-10-13 21:22:24,812 INFO L443 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2019-10-13 21:22:24,812 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2019-10-13 21:22:24,812 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2019-10-13 21:22:24,812 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: true [2019-10-13 21:22:24,812 INFO L446 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: true [2019-10-13 21:22:24,813 INFO L443 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2019-10-13 21:22:24,813 INFO L446 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: true [2019-10-13 21:22:24,813 INFO L446 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: true [2019-10-13 21:22:24,813 INFO L443 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2019-10-13 21:22:24,813 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2019-10-13 21:22:24,814 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2019-10-13 21:22:24,814 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: true [2019-10-13 21:22:24,814 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2019-10-13 21:22:24,814 INFO L446 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: true [2019-10-13 21:22:24,814 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2019-10-13 21:22:24,814 INFO L446 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: true [2019-10-13 21:22:24,814 INFO L443 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2019-10-13 21:22:24,815 INFO L446 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: true [2019-10-13 21:22:24,815 INFO L443 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2019-10-13 21:22:24,815 INFO L446 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2019-10-13 21:22:24,815 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2019-10-13 21:22:24,815 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2019-10-13 21:22:24,815 INFO L446 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: true [2019-10-13 21:22:24,815 INFO L446 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: true [2019-10-13 21:22:24,815 INFO L443 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point L833(lines 833 840) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point L827(lines 827 847) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point L827-1(lines 827 847) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 813 858) no Hoare annotation was computed. [2019-10-13 21:22:24,816 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 813 858) no Hoare annotation was computed. [2019-10-13 21:22:24,817 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 813 858) no Hoare annotation was computed. [2019-10-13 21:22:24,817 INFO L446 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: true [2019-10-13 21:22:24,817 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2019-10-13 21:22:24,817 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2019-10-13 21:22:24,817 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2019-10-13 21:22:24,817 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2019-10-13 21:22:24,818 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2019-10-13 21:22:24,818 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 969) no Hoare annotation was computed. [2019-10-13 21:22:24,818 INFO L443 ceAbstractionStarter]: For program point L961-2(lines 961 969) no Hoare annotation was computed. [2019-10-13 21:22:24,818 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 953 975) no Hoare annotation was computed. [2019-10-13 21:22:24,818 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 953 975) no Hoare annotation was computed. [2019-10-13 21:22:24,818 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 953 975) no Hoare annotation was computed. [2019-10-13 21:22:24,819 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 410 419) no Hoare annotation was computed. [2019-10-13 21:22:24,819 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 410 419) no Hoare annotation was computed. [2019-10-13 21:22:24,819 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 410 419) no Hoare annotation was computed. [2019-10-13 21:22:24,819 INFO L443 ceAbstractionStarter]: For program point L799(lines 799 806) no Hoare annotation was computed. [2019-10-13 21:22:24,820 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 710 812) no Hoare annotation was computed. [2019-10-13 21:22:24,820 INFO L443 ceAbstractionStarter]: For program point L760(lines 759 779) no Hoare annotation was computed. [2019-10-13 21:22:24,820 INFO L443 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2019-10-13 21:22:24,820 INFO L443 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2019-10-13 21:22:24,821 INFO L443 ceAbstractionStarter]: For program point L756(lines 756 797) no Hoare annotation was computed. [2019-10-13 21:22:24,821 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-10-13 21:22:24,821 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-10-13 21:22:24,821 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 710 812) no Hoare annotation was computed. [2019-10-13 21:22:24,821 INFO L443 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2019-10-13 21:22:24,821 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 809) no Hoare annotation was computed. [2019-10-13 21:22:24,822 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 765) no Hoare annotation was computed. [2019-10-13 21:22:24,822 INFO L443 ceAbstractionStarter]: For program point L759-2(lines 759 779) no Hoare annotation was computed. [2019-10-13 21:22:24,822 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 710 812) no Hoare annotation was computed. [2019-10-13 21:22:24,822 INFO L443 ceAbstractionStarter]: For program point L780(lines 758 781) no Hoare annotation was computed. [2019-10-13 21:22:24,822 INFO L443 ceAbstractionStarter]: For program point L739(lines 739 755) no Hoare annotation was computed. [2019-10-13 21:22:24,822 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,824 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 1 ~waterLevel~0) (< |old(~waterLevel~0)| 2)) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2019-10-13 21:22:24,824 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,825 INFO L446 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: true [2019-10-13 21:22:24,825 INFO L443 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2019-10-13 21:22:24,825 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2019-10-13 21:22:24,826 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: true [2019-10-13 21:22:24,826 INFO L446 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: true [2019-10-13 21:22:24,826 INFO L443 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2019-10-13 21:22:24,826 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2019-10-13 21:22:24,826 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2019-10-13 21:22:24,826 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2019-10-13 21:22:24,826 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2019-10-13 21:22:24,826 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2019-10-13 21:22:24,827 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-10-13 21:22:24,827 INFO L443 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2019-10-13 21:22:24,827 INFO L443 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2019-10-13 21:22:24,827 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2019-10-13 21:22:24,827 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2019-10-13 21:22:24,827 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2019-10-13 21:22:24,827 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2019-10-13 21:22:24,827 INFO L443 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2019-10-13 21:22:24,828 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2019-10-13 21:22:24,828 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,828 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,828 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,828 INFO L446 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: true [2019-10-13 21:22:24,828 INFO L446 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: true [2019-10-13 21:22:24,829 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: true [2019-10-13 21:22:24,830 INFO L446 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: true [2019-10-13 21:22:24,830 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2019-10-13 21:22:24,830 INFO L443 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2019-10-13 21:22:24,830 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2019-10-13 21:22:24,830 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2019-10-13 21:22:24,830 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2019-10-13 21:22:24,830 INFO L446 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2019-10-13 21:22:24,830 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-10-13 21:22:24,831 INFO L443 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2019-10-13 21:22:24,831 INFO L446 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2019-10-13 21:22:24,831 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-10-13 21:22:24,831 INFO L446 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2019-10-13 21:22:24,831 INFO L446 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2019-10-13 21:22:24,831 INFO L443 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2019-10-13 21:22:24,831 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2019-10-13 21:22:24,831 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2019-10-13 21:22:24,832 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2019-10-13 21:22:24,832 INFO L443 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2019-10-13 21:22:24,832 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: true [2019-10-13 21:22:24,832 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2019-10-13 21:22:24,832 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2019-10-13 21:22:24,832 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2019-10-13 21:22:24,832 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,832 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:22:24,832 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:22:24,833 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:22:24,833 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2019-10-13 21:22:24,833 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: true [2019-10-13 21:22:24,833 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2019-10-13 21:22:24,833 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: true [2019-10-13 21:22:24,833 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2019-10-13 21:22:24,833 INFO L446 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2019-10-13 21:22:24,833 INFO L443 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2019-10-13 21:22:24,834 INFO L446 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: true [2019-10-13 21:22:24,834 INFO L446 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: true [2019-10-13 21:22:24,834 INFO L443 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2019-10-13 21:22:24,834 INFO L446 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: true [2019-10-13 21:22:24,834 INFO L443 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2019-10-13 21:22:24,834 INFO L443 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2019-10-13 21:22:24,834 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2019-10-13 21:22:24,834 INFO L443 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2019-10-13 21:22:24,835 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: true [2019-10-13 21:22:24,835 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:24,835 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-10-13 21:22:24,835 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-10-13 21:22:24,837 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-10-13 21:22:24,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:22:24 BoogieIcfgContainer [2019-10-13 21:22:24,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:22:24,854 INFO L168 Benchmark]: Toolchain (without parser) took 14824.82 ms. Allocated memory was 144.7 MB in the beginning and 460.3 MB in the end (delta: 315.6 MB). Free memory was 100.2 MB in the beginning and 178.3 MB in the end (delta: -78.1 MB). Peak memory consumption was 237.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:24,855 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-13 21:22:24,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 774.83 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 100.0 MB in the beginning and 166.0 MB in the end (delta: -66.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:24,856 INFO L168 Benchmark]: Boogie Preprocessor took 90.73 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 161.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:24,857 INFO L168 Benchmark]: RCFGBuilder took 1205.29 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 161.4 MB in the beginning and 190.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:24,858 INFO L168 Benchmark]: TraceAbstraction took 12748.75 ms. Allocated memory was 233.3 MB in the beginning and 460.3 MB in the end (delta: 227.0 MB). Free memory was 190.2 MB in the beginning and 178.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 239.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:22:24,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 774.83 ms. Allocated memory was 144.7 MB in the beginning and 200.8 MB in the end (delta: 56.1 MB). Free memory was 100.0 MB in the beginning and 166.0 MB in the end (delta: -66.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.73 ms. Allocated memory is still 200.8 MB. Free memory was 166.0 MB in the beginning and 161.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1205.29 ms. Allocated memory was 200.8 MB in the beginning and 233.3 MB in the end (delta: 32.5 MB). Free memory was 161.4 MB in the beginning and 190.2 MB in the end (delta: -28.9 MB). Peak memory consumption was 80.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12748.75 ms. Allocated memory was 233.3 MB in the beginning and 460.3 MB in the end (delta: 227.0 MB). Free memory was 190.2 MB in the beginning and 178.3 MB in the end (delta: 11.9 MB). Peak memory consumption was 239.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 256 locations, 1 error locations. Result: SAFE, OverallTime: 12.6s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 2023 SDtfs, 1684 SDslu, 5382 SDs, 0 SdLazy, 2741 SolverSat, 656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1263 GetRequests, 1151 SyntacticMatches, 15 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1000occurred 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 147 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1781 PreInvPairs, 1782 NumberOfFragments, 88 HoareAnnotationTreeSize, 1781 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 71 FomulaSimplificationsInter, 19 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2131 NumberOfCodeBlocks, 2131 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2804 ConstructedInterpolants, 0 QuantifiedInterpolants, 750758 SizeOfPredicates, 20 NumberOfNonLiveVariables, 3781 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 885/989 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 124, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.7242798353909465, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...