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_spec1_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:20:02,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:20:02,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:20:02,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:20:02,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:20:02,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:20:02,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:20:02,605 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:20:02,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:20:02,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:20:02,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:20:02,610 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:20:02,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:20:02,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:20:02,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:20:02,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:20:02,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:20:02,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:20:02,617 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:20:02,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:20:02,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:20:02,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:20:02,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:20:02,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:20:02,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:20:02,626 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:20:02,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:20:02,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:20:02,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:20:02,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:20:02,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:20:02,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:20:02,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:20:02,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:20:02,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:20:02,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:20:02,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:20:02,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:20:02,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:20:02,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:20:02,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:20:02,638 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 21:20:02,659 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:20:02,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:20:02,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:20:02,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:20:02,662 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:20:02,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:20:02,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:20:02,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:20:02,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:20:02,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:20:02,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:20:02,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:20:02,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:20:02,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:20:02,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:20:02,666 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:20:02,666 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:20:02,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:20:02,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:20:02,667 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:20:02,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:20:02,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:20:02,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:20:02,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:20:02,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:20:02,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:20:02,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:20:02,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:20:02,669 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 21:20:02,953 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:20:02,965 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:20:02,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:20:02,970 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:20:02,971 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:20:02,971 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-10-13 21:20:03,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c54bc95c/859976cc0e24414d8f3dfb60adc7e87c/FLAGec6788f36 [2019-10-13 21:20:03,622 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:20:03,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product46.cil.c [2019-10-13 21:20:03,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c54bc95c/859976cc0e24414d8f3dfb60adc7e87c/FLAGec6788f36 [2019-10-13 21:20:03,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c54bc95c/859976cc0e24414d8f3dfb60adc7e87c [2019-10-13 21:20:03,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:20:03,921 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:20:03,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:03,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:20:03,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:20:03,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:03" (1/1) ... [2019-10-13 21:20:03,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c65c842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:03, skipping insertion in model container [2019-10-13 21:20:03,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:20:03" (1/1) ... [2019-10-13 21:20:03,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:20:04,005 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:20:04,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:04,499 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:20:04,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:20:04,615 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:20:04,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04 WrapperNode [2019-10-13 21:20:04,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:20:04,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:20:04,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:20:04,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:20:04,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (1/1) ... [2019-10-13 21:20:04,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:20:04,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:20:04,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:20:04,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:20:04,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (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 21:20:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:20:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:20:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:04,793 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:20:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:20:04,794 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:20:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:20:04,795 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:20:04,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:20:04,797 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:20:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:20:04,798 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-10-13 21:20:04,800 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:20:04,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:20:04,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:20:04,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:20:04,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-10-13 21:20:04,805 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:20:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:20:04,806 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:20:04,807 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:20:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:20:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:20:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-10-13 21:20:04,808 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-10-13 21:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-10-13 21:20:04,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:20:04,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:20:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:20:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:20:04,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:20:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:20:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:20:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:20:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:20:04,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:20:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:20:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:20:04,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:20:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:20:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:20:04,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:20:04,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:20:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:20:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:20:04,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:20:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:20:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:20:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:20:04,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:20:05,932 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:20:05,932 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:20:05,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:05 BoogieIcfgContainer [2019-10-13 21:20:05,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:20:05,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:20:05,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:20:05,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:20:05,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:20:03" (1/3) ... [2019-10-13 21:20:05,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2201edbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:05, skipping insertion in model container [2019-10-13 21:20:05,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:20:04" (2/3) ... [2019-10-13 21:20:05,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2201edbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:20:05, skipping insertion in model container [2019-10-13 21:20:05,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:20:05" (3/3) ... [2019-10-13 21:20:05,943 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product46.cil.c [2019-10-13 21:20:05,953 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:20:05,961 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:20:05,972 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:20:06,000 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:20:06,000 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:20:06,000 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:20:06,000 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:20:06,001 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:20:06,001 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:20:06,001 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:20:06,001 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:20:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-10-13 21:20:06,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-13 21:20:06,036 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:06,037 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 21:20:06,039 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:06,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:06,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1417441614, now seen corresponding path program 1 times [2019-10-13 21:20:06,056 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:06,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674173881] [2019-10-13 21:20:06,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:06,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:06,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:06,456 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 21:20:06,458 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674173881] [2019-10-13 21:20:06,459 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:06,459 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:20:06,460 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877449488] [2019-10-13 21:20:06,467 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:20:06,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:06,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:20:06,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:20:06,493 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-10-13 21:20:06,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:06,566 INFO L93 Difference]: Finished difference Result 268 states and 333 transitions. [2019-10-13 21:20:06,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:20:06,568 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-10-13 21:20:06,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:06,592 INFO L225 Difference]: With dead ends: 268 [2019-10-13 21:20:06,592 INFO L226 Difference]: Without dead ends: 134 [2019-10-13 21:20:06,601 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 21:20:06,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-10-13 21:20:06,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-10-13 21:20:06,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-10-13 21:20:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 158 transitions. [2019-10-13 21:20:06,711 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 158 transitions. Word has length 46 [2019-10-13 21:20:06,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:06,711 INFO L462 AbstractCegarLoop]: Abstraction has 134 states and 158 transitions. [2019-10-13 21:20:06,712 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:20:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 158 transitions. [2019-10-13 21:20:06,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 21:20:06,723 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:06,723 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 21:20:06,724 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:06,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:06,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1689810546, now seen corresponding path program 1 times [2019-10-13 21:20:06,726 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:06,726 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143582901] [2019-10-13 21:20:06,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:06,726 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:06,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:06,908 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 21:20:06,908 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143582901] [2019-10-13 21:20:06,908 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:06,909 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:20:06,909 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171397685] [2019-10-13 21:20:06,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:20:06,913 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:06,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:20:06,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:20:06,914 INFO L87 Difference]: Start difference. First operand 134 states and 158 transitions. Second operand 3 states. [2019-10-13 21:20:06,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:06,938 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2019-10-13 21:20:06,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:20:06,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 21:20:06,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:06,941 INFO L225 Difference]: With dead ends: 213 [2019-10-13 21:20:06,942 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 21:20:06,943 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 21:20:06,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 21:20:06,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-13 21:20:06,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-13 21:20:06,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 146 transitions. [2019-10-13 21:20:06,957 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 146 transitions. Word has length 47 [2019-10-13 21:20:06,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:06,957 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 146 transitions. [2019-10-13 21:20:06,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:20:06,958 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 146 transitions. [2019-10-13 21:20:06,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-13 21:20:06,960 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:06,960 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 21:20:06,960 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:06,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:06,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1011180464, now seen corresponding path program 1 times [2019-10-13 21:20:06,961 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:06,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171721120] [2019-10-13 21:20:06,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:06,962 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:06,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:06,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:07,083 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 21:20:07,083 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171721120] [2019-10-13 21:20:07,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:07,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:07,084 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31060072] [2019-10-13 21:20:07,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:07,085 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:07,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:07,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:07,086 INFO L87 Difference]: Start difference. First operand 125 states and 146 transitions. Second operand 7 states. [2019-10-13 21:20:07,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:07,495 INFO L93 Difference]: Finished difference Result 226 states and 269 transitions. [2019-10-13 21:20:07,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:07,496 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-10-13 21:20:07,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:07,499 INFO L225 Difference]: With dead ends: 226 [2019-10-13 21:20:07,499 INFO L226 Difference]: Without dead ends: 125 [2019-10-13 21:20:07,500 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 21:20:07,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-10-13 21:20:07,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-10-13 21:20:07,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-10-13 21:20:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-10-13 21:20:07,518 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 52 [2019-10-13 21:20:07,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:07,519 INFO L462 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-10-13 21:20:07,519 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:07,519 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-10-13 21:20:07,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-10-13 21:20:07,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:07,521 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] [2019-10-13 21:20:07,521 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:07,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:07,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1017334303, now seen corresponding path program 1 times [2019-10-13 21:20:07,522 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:07,522 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799553746] [2019-10-13 21:20:07,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:07,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:07,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:07,723 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 21:20:07,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799553746] [2019-10-13 21:20:07,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:07,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 21:20:07,725 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887151061] [2019-10-13 21:20:07,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 21:20:07,726 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:07,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 21:20:07,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:20:07,727 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 5 states. [2019-10-13 21:20:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:08,244 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2019-10-13 21:20:08,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:20:08,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-10-13 21:20:08,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:08,253 INFO L225 Difference]: With dead ends: 332 [2019-10-13 21:20:08,253 INFO L226 Difference]: Without dead ends: 231 [2019-10-13 21:20:08,255 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:08,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-10-13 21:20:08,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2019-10-13 21:20:08,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2019-10-13 21:20:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 241 transitions. [2019-10-13 21:20:08,300 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 241 transitions. Word has length 65 [2019-10-13 21:20:08,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:08,301 INFO L462 AbstractCegarLoop]: Abstraction has 212 states and 241 transitions. [2019-10-13 21:20:08,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 21:20:08,301 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 241 transitions. [2019-10-13 21:20:08,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-10-13 21:20:08,302 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:08,304 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] [2019-10-13 21:20:08,304 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:08,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:08,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1244154125, now seen corresponding path program 1 times [2019-10-13 21:20:08,305 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:08,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473005021] [2019-10-13 21:20:08,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:08,439 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 21:20:08,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473005021] [2019-10-13 21:20:08,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:08,440 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:08,440 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154891661] [2019-10-13 21:20:08,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:08,442 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:08,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:08,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:08,443 INFO L87 Difference]: Start difference. First operand 212 states and 241 transitions. Second operand 6 states. [2019-10-13 21:20:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:08,669 INFO L93 Difference]: Finished difference Result 573 states and 673 transitions. [2019-10-13 21:20:08,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:08,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-10-13 21:20:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:08,675 INFO L225 Difference]: With dead ends: 573 [2019-10-13 21:20:08,675 INFO L226 Difference]: Without dead ends: 385 [2019-10-13 21:20:08,676 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 21:20:08,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-13 21:20:08,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2019-10-13 21:20:08,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-13 21:20:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 432 transitions. [2019-10-13 21:20:08,709 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 432 transitions. Word has length 79 [2019-10-13 21:20:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:08,709 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 432 transitions. [2019-10-13 21:20:08,709 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 432 transitions. [2019-10-13 21:20:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-10-13 21:20:08,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:08,711 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] [2019-10-13 21:20:08,711 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:08,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:08,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1996569391, now seen corresponding path program 1 times [2019-10-13 21:20:08,712 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:08,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50143641] [2019-10-13 21:20:08,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:08,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:08,810 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 21:20:08,811 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50143641] [2019-10-13 21:20:08,812 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:08,812 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:20:08,812 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553416033] [2019-10-13 21:20:08,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:20:08,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:08,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:20:08,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:08,815 INFO L87 Difference]: Start difference. First operand 379 states and 432 transitions. Second operand 7 states. [2019-10-13 21:20:09,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,468 INFO L93 Difference]: Finished difference Result 414 states and 486 transitions. [2019-10-13 21:20:09,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:20:09,469 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-10-13 21:20:09,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,473 INFO L225 Difference]: With dead ends: 414 [2019-10-13 21:20:09,473 INFO L226 Difference]: Without dead ends: 411 [2019-10-13 21:20:09,474 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:20:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2019-10-13 21:20:09,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 379. [2019-10-13 21:20:09,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-10-13 21:20:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 431 transitions. [2019-10-13 21:20:09,503 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 431 transitions. Word has length 83 [2019-10-13 21:20:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,503 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 431 transitions. [2019-10-13 21:20:09,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:20:09,504 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 431 transitions. [2019-10-13 21:20:09,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:09,505 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,506 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:09,506 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1098775200, now seen corresponding path program 1 times [2019-10-13 21:20:09,507 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,507 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491869326] [2019-10-13 21:20:09,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:09,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491869326] [2019-10-13 21:20:09,575 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:20:09,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987987716] [2019-10-13 21:20:09,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:20:09,576 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:20:09,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:20:09,577 INFO L87 Difference]: Start difference. First operand 379 states and 431 transitions. Second operand 6 states. [2019-10-13 21:20:09,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,620 INFO L93 Difference]: Finished difference Result 748 states and 870 transitions. [2019-10-13 21:20:09,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:20:09,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-10-13 21:20:09,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,624 INFO L225 Difference]: With dead ends: 748 [2019-10-13 21:20:09,624 INFO L226 Difference]: Without dead ends: 393 [2019-10-13 21:20:09,625 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:20:09,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-13 21:20:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 389. [2019-10-13 21:20:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-13 21:20:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-10-13 21:20:09,650 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 99 [2019-10-13 21:20:09,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,651 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-10-13 21:20:09,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:20:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-10-13 21:20:09,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:09,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,653 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:09,654 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,654 INFO L82 PathProgramCache]: Analyzing trace with hash -205288862, now seen corresponding path program 1 times [2019-10-13 21:20:09,655 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326240087] [2019-10-13 21:20:09,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:09,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326240087] [2019-10-13 21:20:09,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:20:09,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105982914] [2019-10-13 21:20:09,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:09,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:09,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:09,742 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 8 states. [2019-10-13 21:20:09,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:09,785 INFO L93 Difference]: Finished difference Result 768 states and 892 transitions. [2019-10-13 21:20:09,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:09,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-10-13 21:20:09,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:09,789 INFO L225 Difference]: With dead ends: 768 [2019-10-13 21:20:09,789 INFO L226 Difference]: Without dead ends: 403 [2019-10-13 21:20:09,790 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:20:09,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-13 21:20:09,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 397. [2019-10-13 21:20:09,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-13 21:20:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 449 transitions. [2019-10-13 21:20:09,816 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 449 transitions. Word has length 99 [2019-10-13 21:20:09,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:09,816 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 449 transitions. [2019-10-13 21:20:09,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:09,817 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 449 transitions. [2019-10-13 21:20:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-10-13 21:20:09,818 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:09,819 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:09,819 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:09,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:09,819 INFO L82 PathProgramCache]: Analyzing trace with hash -213048221, now seen corresponding path program 1 times [2019-10-13 21:20:09,820 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:09,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458598063] [2019-10-13 21:20:09,820 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,820 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:09,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:09,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:20:09,892 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458598063] [2019-10-13 21:20:09,892 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:20:09,892 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:20:09,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086971617] [2019-10-13 21:20:09,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:20:09,893 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:09,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:20:09,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:09,894 INFO L87 Difference]: Start difference. First operand 397 states and 449 transitions. Second operand 4 states. [2019-10-13 21:20:10,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:10,156 INFO L93 Difference]: Finished difference Result 1179 states and 1402 transitions. [2019-10-13 21:20:10,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:20:10,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-10-13 21:20:10,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:10,164 INFO L225 Difference]: With dead ends: 1179 [2019-10-13 21:20:10,164 INFO L226 Difference]: Without dead ends: 806 [2019-10-13 21:20:10,166 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:20:10,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2019-10-13 21:20:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 791. [2019-10-13 21:20:10,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-13 21:20:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 921 transitions. [2019-10-13 21:20:10,225 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 921 transitions. Word has length 99 [2019-10-13 21:20:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:10,225 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 921 transitions. [2019-10-13 21:20:10,226 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:20:10,226 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 921 transitions. [2019-10-13 21:20:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-10-13 21:20:10,228 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:10,229 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:10,229 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:10,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:10,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1140072279, now seen corresponding path program 1 times [2019-10-13 21:20:10,230 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:10,230 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122186812] [2019-10-13 21:20:10,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:10,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:10,384 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122186812] [2019-10-13 21:20:10,385 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16979347] [2019-10-13 21:20:10,385 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 21:20:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:10,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:10,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:20:10,804 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:20:11,822 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:11,822 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:11,822 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654916176] [2019-10-13 21:20:11,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:11,823 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:11,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:11,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:11,824 INFO L87 Difference]: Start difference. First operand 791 states and 921 transitions. Second operand 8 states. [2019-10-13 21:20:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:12,299 INFO L93 Difference]: Finished difference Result 1530 states and 1792 transitions. [2019-10-13 21:20:12,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:12,299 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-10-13 21:20:12,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:12,305 INFO L225 Difference]: With dead ends: 1530 [2019-10-13 21:20:12,305 INFO L226 Difference]: Without dead ends: 763 [2019-10-13 21:20:12,308 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:12,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2019-10-13 21:20:12,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2019-10-13 21:20:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2019-10-13 21:20:12,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 875 transitions. [2019-10-13 21:20:12,388 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 875 transitions. Word has length 103 [2019-10-13 21:20:12,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:12,389 INFO L462 AbstractCegarLoop]: Abstraction has 763 states and 875 transitions. [2019-10-13 21:20:12,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 875 transitions. [2019-10-13 21:20:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 21:20:12,395 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:20:12,396 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:20:12,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:12,602 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:20:12,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:20:12,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1934361844, now seen corresponding path program 1 times [2019-10-13 21:20:12,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:20:12,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908605624] [2019-10-13 21:20:12,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:20:12,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:20:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 21:20:12,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908605624] [2019-10-13 21:20:12,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699187006] [2019-10-13 21:20:12,773 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 21:20:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:20:12,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-13 21:20:12,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:20:13,144 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-10-13 21:20:13,145 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:20:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 21:20:13,699 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:20:13,699 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-10-13 21:20:13,699 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447745288] [2019-10-13 21:20:13,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:20:13,700 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:20:13,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:20:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:13,701 INFO L87 Difference]: Start difference. First operand 763 states and 875 transitions. Second operand 8 states. [2019-10-13 21:20:13,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:20:13,993 INFO L93 Difference]: Finished difference Result 1295 states and 1502 transitions. [2019-10-13 21:20:13,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:20:13,994 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2019-10-13 21:20:13,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:20:13,995 INFO L225 Difference]: With dead ends: 1295 [2019-10-13 21:20:13,995 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:20:13,998 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-10-13 21:20:13,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:20:13,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:20:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:20:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:20:14,000 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2019-10-13 21:20:14,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:20:14,000 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:20:14,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:20:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:20:14,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:20:14,206 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:20:14,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:20:14,979 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2019-10-13 21:20:15,162 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-10-13 21:20:15,604 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-10-13 21:20:16,126 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-10-13 21:20:17,336 WARN L191 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-10-13 21:20:17,570 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 19 [2019-10-13 21:20:18,220 INFO L443 ceAbstractionStarter]: For program point L671(lines 671 675) no Hoare annotation was computed. [2019-10-13 21:20:18,220 INFO L443 ceAbstractionStarter]: For program point L671-1(lines 671 675) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point L666(line 666) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point L665-2(lines 665 686) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 640 695) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point L687(lines 664 688) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 640 695) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 640 695) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point L728(lines 728 732) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point L728-1(lines 728 732) no Hoare annotation was computed. [2019-10-13 21:20:18,221 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 696 755) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point L723(line 723) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point L722-2(lines 722 747) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 696 755) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point L748(lines 721 749) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 696 755) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point L741(line 741) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point L741-1(line 741) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 441 447) the Hoare annotation is: true [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 441 447) no Hoare annotation was computed. [2019-10-13 21:20:18,222 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 448 456) no Hoare annotation was computed. [2019-10-13 21:20:18,223 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 448 456) the Hoare annotation is: true [2019-10-13 21:20:18,223 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 448 456) no Hoare annotation was computed. [2019-10-13 21:20:18,223 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 399 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,223 INFO L439 ceAbstractionStarter]: At program point L411(line 411) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,223 INFO L439 ceAbstractionStarter]: At program point L411-1(line 411) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~5 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,223 INFO L443 ceAbstractionStarter]: For program point L409(lines 409 416) no Hoare annotation was computed. [2019-10-13 21:20:18,224 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 399 421) no Hoare annotation was computed. [2019-10-13 21:20:18,224 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 409 416) no Hoare annotation was computed. [2019-10-13 21:20:18,224 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-13 21:20:18,224 INFO L439 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,224 INFO L439 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,224 INFO L439 ceAbstractionStarter]: At program point L405-1(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 399 421) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 355 378) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 355 378) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 355 378) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point L372(line 372) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point L371(line 371) no Hoare annotation was computed. [2019-10-13 21:20:18,225 INFO L443 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L369(line 369) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L368(line 368) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L367(line 367) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L366(line 366) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L365(line 365) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L364(line 364) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L363(line 363) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L362(line 362) no Hoare annotation was computed. [2019-10-13 21:20:18,226 INFO L443 ceAbstractionStarter]: For program point L361(line 361) no Hoare annotation was computed. [2019-10-13 21:20:18,227 INFO L443 ceAbstractionStarter]: For program point L360(line 360) no Hoare annotation was computed. [2019-10-13 21:20:18,227 INFO L443 ceAbstractionStarter]: For program point L162-1(line 162) no Hoare annotation was computed. [2019-10-13 21:20:18,227 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 177) no Hoare annotation was computed. [2019-10-13 21:20:18,227 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 156 180) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:20:18,227 INFO L439 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:20:18,227 INFO L443 ceAbstractionStarter]: For program point L175-1(lines 156 180) no Hoare annotation was computed. [2019-10-13 21:20:18,227 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 156 180) no Hoare annotation was computed. [2019-10-13 21:20:18,228 INFO L439 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0))) [2019-10-13 21:20:18,228 INFO L439 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)))) [2019-10-13 21:20:18,228 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 172) no Hoare annotation was computed. [2019-10-13 21:20:18,228 INFO L439 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-10-13 21:20:18,228 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 251 259) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 251 259) the Hoare annotation is: true [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 251 259) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 287) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 287) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 260 295) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point L267(lines 267 275) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point L267-2(lines 267 275) no Hoare annotation was computed. [2019-10-13 21:20:18,229 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 260 295) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 260 295) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 434 440) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 434 440) the Hoare annotation is: true [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 594 639) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 594 639) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 594 639) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2019-10-13 21:20:18,230 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 907 952) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L443 ceAbstractionStarter]: For program point L921(lines 921 941) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L443 ceAbstractionStarter]: For program point L921-1(lines 921 941) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 907 952) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 907 952) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 386 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,231 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 386 395) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 386 395) no Hoare annotation was computed. [2019-10-13 21:20:18,231 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 240 250) the Hoare annotation is: true [2019-10-13 21:20:18,232 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 240 250) no Hoare annotation was computed. [2019-10-13 21:20:18,232 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 240 250) no Hoare annotation was computed. [2019-10-13 21:20:18,232 INFO L446 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: true [2019-10-13 21:20:18,232 INFO L443 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2019-10-13 21:20:18,232 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 232 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2019-10-13 21:20:18,232 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 232 239) no Hoare annotation was computed. [2019-10-13 21:20:18,232 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 232 239) no Hoare annotation was computed. [2019-10-13 21:20:18,232 INFO L443 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2019-10-13 21:20:18,233 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 573 586) no Hoare annotation was computed. [2019-10-13 21:20:18,233 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 573 586) the Hoare annotation is: true [2019-10-13 21:20:18,233 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 573 586) no Hoare annotation was computed. [2019-10-13 21:20:18,233 INFO L439 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (and .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) .cse2) (or .cse3 .cse2 .cse4) (or .cse0 .cse3 .cse2) (or .cse2 .cse4 .cse1))) [2019-10-13 21:20:18,233 INFO L443 ceAbstractionStarter]: For program point L190(lines 190 198) no Hoare annotation was computed. [2019-10-13 21:20:18,233 INFO L439 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-10-13 21:20:18,233 INFO L443 ceAbstractionStarter]: For program point L188-1(line 188) no Hoare annotation was computed. [2019-10-13 21:20:18,234 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 203) no Hoare annotation was computed. [2019-10-13 21:20:18,234 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 182 206) no Hoare annotation was computed. [2019-10-13 21:20:18,234 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 182 206) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-10-13 21:20:18,234 INFO L439 ceAbstractionStarter]: At program point L201(line 201) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-10-13 21:20:18,234 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 182 206) no Hoare annotation was computed. [2019-10-13 21:20:18,234 INFO L439 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-10-13 21:20:18,234 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 148 154) no Hoare annotation was computed. [2019-10-13 21:20:18,235 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 148 154) the Hoare annotation is: true [2019-10-13 21:20:18,235 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,235 INFO L443 ceAbstractionStarter]: For program point L93(lines 93 97) no Hoare annotation was computed. [2019-10-13 21:20:18,235 INFO L439 ceAbstractionStarter]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:18,235 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-10-13 21:20:18,235 INFO L439 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:18,235 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:20:18,236 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-10-13 21:20:18,236 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:18,236 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:20:18,236 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-10-13 21:20:18,236 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:18,236 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 .cse1 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L439 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 861 906) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 861 906) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 888) no Hoare annotation was computed. [2019-10-13 21:20:18,237 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 861 906) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point L875(lines 875 895) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point L875-1(lines 875 895) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 207 214) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 207 214) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 207 214) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 541 563) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 541 563) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point L549(lines 549 557) no Hoare annotation was computed. [2019-10-13 21:20:18,238 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 541 563) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 424 433) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 424 433) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 424 433) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 758 860) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point L828(lines 806 829) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point L787(lines 787 803) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point L847(lines 847 854) no Hoare annotation was computed. [2019-10-13 21:20:18,239 INFO L443 ceAbstractionStarter]: For program point L808(lines 807 827) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L839(line 839) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 758 860) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 845) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L823(line 823) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 758 860) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L782(lines 782 786) no Hoare annotation was computed. [2019-10-13 21:20:18,240 INFO L443 ceAbstractionStarter]: For program point L846(lines 846 857) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L443 ceAbstractionStarter]: For program point L809(lines 809 813) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L443 ceAbstractionStarter]: For program point L807-2(lines 807 827) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-10-13 21:20:18,241 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L443 ceAbstractionStarter]: For program point L226-1(lines 215 231) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2019-10-13 21:20:18,241 INFO L439 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:20:18,242 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 215 231) no Hoare annotation was computed. [2019-10-13 21:20:18,242 INFO L443 ceAbstractionStarter]: For program point L220-1(line 220) no Hoare annotation was computed. [2019-10-13 21:20:18,242 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 215 231) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-10-13 21:20:18,242 INFO L439 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-10-13 21:20:18,242 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 309) no Hoare annotation was computed. [2019-10-13 21:20:18,242 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 296 314) no Hoare annotation was computed. [2019-10-13 21:20:18,243 INFO L446 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: true [2019-10-13 21:20:18,243 INFO L443 ceAbstractionStarter]: For program point L305-2(lines 305 309) no Hoare annotation was computed. [2019-10-13 21:20:18,243 INFO L443 ceAbstractionStarter]: For program point L303-1(line 303) no Hoare annotation was computed. [2019-10-13 21:20:18,243 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 296 314) the Hoare annotation is: true [2019-10-13 21:20:18,243 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 296 314) no Hoare annotation was computed. [2019-10-13 21:20:18,243 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 564 572) no Hoare annotation was computed. [2019-10-13 21:20:18,243 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 564 572) no Hoare annotation was computed. [2019-10-13 21:20:18,243 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 564 572) no Hoare annotation was computed. [2019-10-13 21:20:18,244 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 520 531) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-10-13 21:20:18,244 INFO L443 ceAbstractionStarter]: For program point L524-1(lines 520 531) no Hoare annotation was computed. [2019-10-13 21:20:18,244 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 520 531) no Hoare annotation was computed. [2019-10-13 21:20:18,244 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,244 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,244 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,244 INFO L443 ceAbstractionStarter]: For program point L128(lines 127 146) no Hoare annotation was computed. [2019-10-13 21:20:18,245 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 124 147) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3) (or .cse0 .cse4 .cse3 .cse5 .cse6)))) [2019-10-13 21:20:18,245 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 124 147) no Hoare annotation was computed. [2019-10-13 21:20:18,245 INFO L439 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse4 .cse5) (or .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse8 .cse2 .cse0)))) [2019-10-13 21:20:18,245 INFO L439 ceAbstractionStarter]: At program point L135(lines 135 141) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse9 (not .cse11)) (.cse13 (= 1 ~systemActive~0)) (.cse14 (= 0 ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse10 .cse17 .cse16)) (.cse7 (not .cse17)) (.cse12 (not .cse0)) (.cse6 (and .cse15 .cse16)) (.cse1 (and .cse10 .cse16)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse13 .cse10 .cse14 .cse15)) (.cse5 (and .cse13 .cse14 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse10 .cse11 .cse2 .cse12 .cse3) (or .cse7 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2019-10-13 21:20:18,245 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 124 147) no Hoare annotation was computed. [2019-10-13 21:20:18,246 INFO L439 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse2)))) [2019-10-13 21:20:18,246 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 325 354) no Hoare annotation was computed. [2019-10-13 21:20:18,246 INFO L446 ceAbstractionStarter]: At program point L350(lines 325 354) the Hoare annotation is: true [2019-10-13 21:20:18,246 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 325 354) the Hoare annotation is: true [2019-10-13 21:20:18,246 INFO L443 ceAbstractionStarter]: For program point L346(line 346) no Hoare annotation was computed. [2019-10-13 21:20:18,246 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-10-13 21:20:18,246 INFO L446 ceAbstractionStarter]: At program point L339-1(lines 339 343) the Hoare annotation is: true [2019-10-13 21:20:18,247 INFO L443 ceAbstractionStarter]: For program point L336(line 336) no Hoare annotation was computed. [2019-10-13 21:20:18,247 INFO L446 ceAbstractionStarter]: At program point L335-2(lines 335 349) the Hoare annotation is: true [2019-10-13 21:20:18,247 INFO L446 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2019-10-13 21:20:18,247 INFO L443 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2019-10-13 21:20:18,247 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 532 540) the Hoare annotation is: true [2019-10-13 21:20:18,247 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 532 540) no Hoare annotation was computed. [2019-10-13 21:20:18,247 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 532 540) no Hoare annotation was computed. [2019-10-13 21:20:18,247 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 496 507) the Hoare annotation is: true [2019-10-13 21:20:18,247 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 496 507) no Hoare annotation was computed. [2019-10-13 21:20:18,248 INFO L443 ceAbstractionStarter]: For program point L500-1(lines 496 507) no Hoare annotation was computed. [2019-10-13 21:20:18,248 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 379 385) no Hoare annotation was computed. [2019-10-13 21:20:18,248 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 379 385) the Hoare annotation is: true [2019-10-13 21:20:18,248 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,248 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-13 21:20:18,248 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:20:18,248 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:20:18,249 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 315 322) no Hoare annotation was computed. [2019-10-13 21:20:18,249 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 315 322) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2019-10-13 21:20:18,249 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 315 322) no Hoare annotation was computed. [2019-10-13 21:20:18,249 INFO L443 ceAbstractionStarter]: For program point L512-1(lines 508 519) no Hoare annotation was computed. [2019-10-13 21:20:18,249 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 508 519) no Hoare annotation was computed. [2019-10-13 21:20:18,249 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 508 519) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3))) [2019-10-13 21:20:18,249 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 458 465) no Hoare annotation was computed. [2019-10-13 21:20:18,249 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 458 465) the Hoare annotation is: true [2019-10-13 21:20:18,250 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 462) no Hoare annotation was computed. [2019-10-13 21:20:18,250 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 458 465) no Hoare annotation was computed. [2019-10-13 21:20:18,250 INFO L439 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-10-13 21:20:18,250 INFO L443 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2019-10-13 21:20:18,250 INFO L439 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-10-13 21:20:18,250 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 467 491) the Hoare annotation is: true [2019-10-13 21:20:18,250 INFO L443 ceAbstractionStarter]: For program point L477-1(line 477) no Hoare annotation was computed. [2019-10-13 21:20:18,250 INFO L443 ceAbstractionStarter]: For program point L475(lines 475 488) no Hoare annotation was computed. [2019-10-13 21:20:18,251 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 467 491) no Hoare annotation was computed. [2019-10-13 21:20:18,251 INFO L446 ceAbstractionStarter]: At program point L473(line 473) the Hoare annotation is: true [2019-10-13 21:20:18,251 INFO L443 ceAbstractionStarter]: For program point L473-1(line 473) no Hoare annotation was computed. [2019-10-13 21:20:18,251 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 467 491) no Hoare annotation was computed. [2019-10-13 21:20:18,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:20:18 BoogieIcfgContainer [2019-10-13 21:20:18,266 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:20:18,268 INFO L168 Benchmark]: Toolchain (without parser) took 14346.87 ms. Allocated memory was 145.8 MB in the beginning and 411.6 MB in the end (delta: 265.8 MB). Free memory was 101.5 MB in the beginning and 354.8 MB in the end (delta: -253.3 MB). Peak memory consumption was 279.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:18,269 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:20:18,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 693.92 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.3 MB in the beginning and 172.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:18,271 INFO L168 Benchmark]: Boogie Preprocessor took 100.05 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:18,271 INFO L168 Benchmark]: RCFGBuilder took 1216.93 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.5 MB in the beginning and 199.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:18,272 INFO L168 Benchmark]: TraceAbstraction took 12331.27 ms. Allocated memory was 236.5 MB in the beginning and 411.6 MB in the end (delta: 175.1 MB). Free memory was 199.1 MB in the beginning and 354.8 MB in the end (delta: -155.7 MB). Peak memory consumption was 286.1 MB. Max. memory is 7.1 GB. [2019-10-13 21:20:18,276 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 693.92 ms. Allocated memory was 145.8 MB in the beginning and 204.5 MB in the end (delta: 58.7 MB). Free memory was 101.3 MB in the beginning and 172.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.05 ms. Allocated memory is still 204.5 MB. Free memory was 172.5 MB in the beginning and 168.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1216.93 ms. Allocated memory was 204.5 MB in the beginning and 236.5 MB in the end (delta: 32.0 MB). Free memory was 168.5 MB in the beginning and 199.1 MB in the end (delta: -30.6 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12331.27 ms. Allocated memory was 236.5 MB in the beginning and 411.6 MB in the end (delta: 175.1 MB). Free memory was 199.1 MB in the beginning and 354.8 MB in the end (delta: -155.7 MB). Peak memory consumption was 286.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 462]: 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: 54]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || (((1 == systemActive && 0 == splverifierCounter) && 1 <= methaneLevelCritical) && pumpRunning == 0)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Result: SAFE, OverallTime: 12.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.0s, HoareTripleCheckerStatistics: 1929 SDtfs, 1022 SDslu, 4692 SDs, 0 SdLazy, 1529 SolverSat, 301 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 634 GetRequests, 530 SyntacticMatches, 12 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=791occurred 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, 82 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1559 PreInvPairs, 1657 NumberOfFragments, 1648 HoareAnnotationTreeSize, 1559 FomulaSimplifications, 1911 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6513 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1185 NumberOfCodeBlocks, 1185 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1428 ConstructedInterpolants, 0 QuantifiedInterpolants, 245210 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1684 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 157/165 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...