/usr/bin/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_spec2_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:59:48,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:59:48,535 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:59:48,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:59:48,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:59:48,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:59:48,560 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:59:48,573 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:59:48,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:59:48,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:59:48,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:59:48,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:59:48,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:59:48,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:59:48,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:59:48,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:59:48,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:59:48,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:59:48,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:59:48,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:59:48,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:59:48,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:59:48,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:59:48,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:59:48,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:59:48,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:59:48,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:59:48,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:59:48,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:59:48,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:59:48,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:59:48,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:59:48,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:59:48,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:59:48,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:59:48,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:59:48,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:59:48,611 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:59:48,611 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:59:48,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:59:48,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:59:48,615 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 [2019-11-07 00:59:48,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:59:48,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:59:48,631 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:59:48,631 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:59:48,631 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:59:48,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:59:48,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:59:48,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:59:48,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:59:48,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:59:48,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:59:48,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:59:48,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:59:48,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:59:48,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:59:48,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:59:48,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:59:48,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:59:48,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:59:48,634 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:59:48,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:59:48,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:59:48,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:59:48,635 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:59:48,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:59:48,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:59:48,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:59:48,636 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:59:48,636 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 [2019-11-07 00:59:48,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:59:48,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:59:48,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:59:48,959 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:59:48,959 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:59:48,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-11-07 00:59:49,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ba709f7/9f5acb40215d46c2a733e262d6714dce/FLAGeaacd24ba [2019-11-07 00:59:49,574 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:59:49,575 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product51.cil.c [2019-11-07 00:59:49,591 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ba709f7/9f5acb40215d46c2a733e262d6714dce/FLAGeaacd24ba [2019-11-07 00:59:49,845 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13ba709f7/9f5acb40215d46c2a733e262d6714dce [2019-11-07 00:59:49,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:59:49,854 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:59:49,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:49,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:59:49,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:59:49,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:49" (1/1) ... [2019-11-07 00:59:49,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d2f105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:49, skipping insertion in model container [2019-11-07 00:59:49,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:49" (1/1) ... [2019-11-07 00:59:49,871 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:59:49,929 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:59:50,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:50,410 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:59:50,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:50,554 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:59:50,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50 WrapperNode [2019-11-07 00:59:50,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:50,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:59:50,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:59:50,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:59:50,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (1/1) ... [2019-11-07 00:59:50,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:59:50,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:59:50,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:59:50,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:59:50,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (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 [2019-11-07 00:59:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:59:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:59:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:59:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:59:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:59:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 00:59:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:59:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:59:50,706 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:59:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:59:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:59:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:59:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:59:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 00:59:50,707 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-11-07 00:59:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:59:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:59:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:59:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:59:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:59:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:59:50,712 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:59:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:59:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:59:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:59:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:59:50,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 00:59:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:59:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:59:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:59:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:59:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:59:50,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:59:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:59:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:59:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:59:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:59:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:59:50,717 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:59:50,718 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:59:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:59:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:59:50,720 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-11-07 00:59:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 00:59:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:59:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:59:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:59:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:59:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:59:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:59:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:59:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:59:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:59:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:59:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:59:50,723 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:59:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:59:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:59:50,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:59:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:59:50,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:59:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:59:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:59:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:59:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:59:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:59:51,830 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:59:51,830 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:59:51,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:51 BoogieIcfgContainer [2019-11-07 00:59:51,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:59:51,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:59:51,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:59:51,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:59:51,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:49" (1/3) ... [2019-11-07 00:59:51,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2203a644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:51, skipping insertion in model container [2019-11-07 00:59:51,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:50" (2/3) ... [2019-11-07 00:59:51,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2203a644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:51, skipping insertion in model container [2019-11-07 00:59:51,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:51" (3/3) ... [2019-11-07 00:59:51,842 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2019-11-07 00:59:51,852 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:59:51,863 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:59:51,875 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:59:51,912 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:59:51,912 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:59:51,912 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:59:51,912 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:59:51,913 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:59:51,913 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:59:51,914 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:59:51,914 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:59:51,944 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states. [2019-11-07 00:59:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:59:51,960 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:51,961 INFO L410 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] [2019-11-07 00:59:51,963 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:51,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:51,969 INFO L82 PathProgramCache]: Analyzing trace with hash 2010639633, now seen corresponding path program 1 times [2019-11-07 00:59:51,980 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:51,980 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846676973] [2019-11-07 00:59:51,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:52,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:52,353 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846676973] [2019-11-07 00:59:52,355 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:52,356 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:59:52,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13263282] [2019-11-07 00:59:52,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:59:52,369 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:52,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:59:52,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:59:52,384 INFO L87 Difference]: Start difference. First operand 185 states. Second operand 2 states. [2019-11-07 00:59:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:52,442 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2019-11-07 00:59:52,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:59:52,444 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-11-07 00:59:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:52,465 INFO L225 Difference]: With dead ends: 274 [2019-11-07 00:59:52,465 INFO L226 Difference]: Without dead ends: 139 [2019-11-07 00:59:52,470 INFO L630 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 [2019-11-07 00:59:52,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2019-11-07 00:59:52,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2019-11-07 00:59:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2019-11-07 00:59:52,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2019-11-07 00:59:52,533 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2019-11-07 00:59:52,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:52,534 INFO L462 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2019-11-07 00:59:52,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:59:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2019-11-07 00:59:52,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:59:52,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:52,539 INFO L410 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] [2019-11-07 00:59:52,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:52,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:52,539 INFO L82 PathProgramCache]: Analyzing trace with hash -119912956, now seen corresponding path program 1 times [2019-11-07 00:59:52,540 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:52,540 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103017699] [2019-11-07 00:59:52,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:52,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:52,683 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103017699] [2019-11-07 00:59:52,683 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:52,683 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:59:52,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770622227] [2019-11-07 00:59:52,685 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:52,686 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:52,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:52,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:52,686 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2019-11-07 00:59:52,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:52,709 INFO L93 Difference]: Finished difference Result 217 states and 255 transitions. [2019-11-07 00:59:52,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:52,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-07 00:59:52,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:52,712 INFO L225 Difference]: With dead ends: 217 [2019-11-07 00:59:52,712 INFO L226 Difference]: Without dead ends: 130 [2019-11-07 00:59:52,714 INFO L630 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 [2019-11-07 00:59:52,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2019-11-07 00:59:52,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2019-11-07 00:59:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2019-11-07 00:59:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2019-11-07 00:59:52,729 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2019-11-07 00:59:52,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:52,729 INFO L462 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2019-11-07 00:59:52,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:52,730 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2019-11-07 00:59:52,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 00:59:52,732 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:52,732 INFO L410 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] [2019-11-07 00:59:52,732 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:52,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:52,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1399098738, now seen corresponding path program 1 times [2019-11-07 00:59:52,733 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:52,733 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89366339] [2019-11-07 00:59:52,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:52,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:52,941 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89366339] [2019-11-07 00:59:52,941 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:52,942 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:52,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107782205] [2019-11-07 00:59:52,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:52,944 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:52,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:52,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:52,946 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2019-11-07 00:59:53,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:53,491 INFO L93 Difference]: Finished difference Result 385 states and 468 transitions. [2019-11-07 00:59:53,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:59:53,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 00:59:53,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:53,501 INFO L225 Difference]: With dead ends: 385 [2019-11-07 00:59:53,502 INFO L226 Difference]: Without dead ends: 283 [2019-11-07 00:59:53,505 INFO L630 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 [2019-11-07 00:59:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2019-11-07 00:59:53,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2019-11-07 00:59:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2019-11-07 00:59:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 334 transitions. [2019-11-07 00:59:53,568 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 334 transitions. Word has length 56 [2019-11-07 00:59:53,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:53,569 INFO L462 AbstractCegarLoop]: Abstraction has 275 states and 334 transitions. [2019-11-07 00:59:53,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 334 transitions. [2019-11-07 00:59:53,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-11-07 00:59:53,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:53,573 INFO L410 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] [2019-11-07 00:59:53,573 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:53,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:53,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1261702676, now seen corresponding path program 1 times [2019-11-07 00:59:53,573 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:53,574 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158945743] [2019-11-07 00:59:53,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:53,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:53,706 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158945743] [2019-11-07 00:59:53,706 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:53,706 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:53,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372672947] [2019-11-07 00:59:53,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:53,707 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:53,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:53,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:53,708 INFO L87 Difference]: Start difference. First operand 275 states and 334 transitions. Second operand 6 states. [2019-11-07 00:59:53,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:53,918 INFO L93 Difference]: Finished difference Result 751 states and 936 transitions. [2019-11-07 00:59:53,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:53,919 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-11-07 00:59:53,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:53,933 INFO L225 Difference]: With dead ends: 751 [2019-11-07 00:59:53,933 INFO L226 Difference]: Without dead ends: 504 [2019-11-07 00:59:53,936 INFO L630 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 [2019-11-07 00:59:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2019-11-07 00:59:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 498. [2019-11-07 00:59:53,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2019-11-07 00:59:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 608 transitions. [2019-11-07 00:59:53,997 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 608 transitions. Word has length 62 [2019-11-07 00:59:53,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:53,998 INFO L462 AbstractCegarLoop]: Abstraction has 498 states and 608 transitions. [2019-11-07 00:59:53,998 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 608 transitions. [2019-11-07 00:59:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-11-07 00:59:54,002 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:54,003 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:54,003 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:54,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:54,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1700300984, now seen corresponding path program 1 times [2019-11-07 00:59:54,003 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:54,004 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811015072] [2019-11-07 00:59:54,004 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:54,105 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811015072] [2019-11-07 00:59:54,105 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:54,105 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:54,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315229141] [2019-11-07 00:59:54,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:54,106 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:54,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:54,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:54,107 INFO L87 Difference]: Start difference. First operand 498 states and 608 transitions. Second operand 7 states. [2019-11-07 00:59:54,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:54,750 INFO L93 Difference]: Finished difference Result 1285 states and 1690 transitions. [2019-11-07 00:59:54,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:59:54,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-11-07 00:59:54,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:54,763 INFO L225 Difference]: With dead ends: 1285 [2019-11-07 00:59:54,763 INFO L226 Difference]: Without dead ends: 815 [2019-11-07 00:59:54,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:59:54,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2019-11-07 00:59:54,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 719. [2019-11-07 00:59:54,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-11-07 00:59:54,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2019-11-07 00:59:54,828 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 66 [2019-11-07 00:59:54,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:54,829 INFO L462 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2019-11-07 00:59:54,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:54,829 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2019-11-07 00:59:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 00:59:54,831 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:54,831 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:54,832 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:54,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:54,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1342584408, now seen corresponding path program 1 times [2019-11-07 00:59:54,832 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:54,832 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855504262] [2019-11-07 00:59:54,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:54,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:54,905 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855504262] [2019-11-07 00:59:54,905 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:54,905 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:54,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986291468] [2019-11-07 00:59:54,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:54,907 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:54,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:54,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:54,907 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 6 states. [2019-11-07 00:59:54,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:54,988 INFO L93 Difference]: Finished difference Result 1430 states and 1772 transitions. [2019-11-07 00:59:54,989 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:54,989 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-11-07 00:59:54,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:54,994 INFO L225 Difference]: With dead ends: 1430 [2019-11-07 00:59:54,994 INFO L226 Difference]: Without dead ends: 739 [2019-11-07 00:59:54,997 INFO L630 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 [2019-11-07 00:59:54,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2019-11-07 00:59:55,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2019-11-07 00:59:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-11-07 00:59:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 895 transitions. [2019-11-07 00:59:55,044 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 895 transitions. Word has length 88 [2019-11-07 00:59:55,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:55,045 INFO L462 AbstractCegarLoop]: Abstraction has 739 states and 895 transitions. [2019-11-07 00:59:55,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 895 transitions. [2019-11-07 00:59:55,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 00:59:55,048 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:55,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:55,048 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:55,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:55,049 INFO L82 PathProgramCache]: Analyzing trace with hash -640984534, now seen corresponding path program 1 times [2019-11-07 00:59:55,049 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:55,049 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272266471] [2019-11-07 00:59:55,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:55,132 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272266471] [2019-11-07 00:59:55,133 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:55,133 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:59:55,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066895699] [2019-11-07 00:59:55,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:55,134 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:55,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:55,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:55,134 INFO L87 Difference]: Start difference. First operand 739 states and 895 transitions. Second operand 8 states. [2019-11-07 00:59:55,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:55,195 INFO L93 Difference]: Finished difference Result 1478 states and 1850 transitions. [2019-11-07 00:59:55,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:55,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-11-07 00:59:55,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:55,202 INFO L225 Difference]: With dead ends: 1478 [2019-11-07 00:59:55,202 INFO L226 Difference]: Without dead ends: 767 [2019-11-07 00:59:55,205 INFO L630 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 [2019-11-07 00:59:55,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2019-11-07 00:59:55,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 755. [2019-11-07 00:59:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2019-11-07 00:59:55,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2019-11-07 00:59:55,251 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 88 [2019-11-07 00:59:55,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:55,252 INFO L462 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2019-11-07 00:59:55,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:55,252 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2019-11-07 00:59:55,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-11-07 00:59:55,255 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:55,255 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:55,255 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:55,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:55,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1084496363, now seen corresponding path program 1 times [2019-11-07 00:59:55,256 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:55,256 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552296561] [2019-11-07 00:59:55,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:55,342 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552296561] [2019-11-07 00:59:55,343 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:55,343 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:59:55,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947259202] [2019-11-07 00:59:55,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:59:55,344 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:55,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:59:55,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:55,352 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 4 states. [2019-11-07 00:59:55,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:55,614 INFO L93 Difference]: Finished difference Result 2445 states and 3098 transitions. [2019-11-07 00:59:55,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:59:55,615 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-11-07 00:59:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:55,626 INFO L225 Difference]: With dead ends: 2445 [2019-11-07 00:59:55,626 INFO L226 Difference]: Without dead ends: 1718 [2019-11-07 00:59:55,629 INFO L630 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 [2019-11-07 00:59:55,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-11-07 00:59:55,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2019-11-07 00:59:55,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2019-11-07 00:59:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2019-11-07 00:59:55,768 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 88 [2019-11-07 00:59:55,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:55,769 INFO L462 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2019-11-07 00:59:55,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:59:55,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2019-11-07 00:59:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-07 00:59:55,772 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:55,772 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:55,772 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:55,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:55,773 INFO L82 PathProgramCache]: Analyzing trace with hash 269339525, now seen corresponding path program 1 times [2019-11-07 00:59:55,773 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:55,773 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839919140] [2019-11-07 00:59:55,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:55,832 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839919140] [2019-11-07 00:59:55,832 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:55,832 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:59:55,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342575333] [2019-11-07 00:59:55,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:55,833 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:55,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:55,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:55,834 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2019-11-07 00:59:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:55,938 INFO L93 Difference]: Finished difference Result 2686 states and 3425 transitions. [2019-11-07 00:59:55,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:55,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-11-07 00:59:55,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:55,954 INFO L225 Difference]: With dead ends: 2686 [2019-11-07 00:59:55,955 INFO L226 Difference]: Without dead ends: 2683 [2019-11-07 00:59:55,957 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:55,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2019-11-07 00:59:56,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2497. [2019-11-07 00:59:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2497 states. [2019-11-07 00:59:56,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3197 transitions. [2019-11-07 00:59:56,119 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3197 transitions. Word has length 92 [2019-11-07 00:59:56,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:56,120 INFO L462 AbstractCegarLoop]: Abstraction has 2497 states and 3197 transitions. [2019-11-07 00:59:56,120 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3197 transitions. [2019-11-07 00:59:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-07 00:59:56,133 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:56,133 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 00:59:56,134 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:56,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:56,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1001825696, now seen corresponding path program 1 times [2019-11-07 00:59:56,134 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:56,135 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802930067] [2019-11-07 00:59:56,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:59:56,372 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802930067] [2019-11-07 00:59:56,372 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763917885] [2019-11-07 00:59:56,372 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 [2019-11-07 00:59:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:56,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 916 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-07 00:59:56,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:56,765 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-07 00:59:56,976 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:56,977 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2019-11-07 00:59:56,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882836477] [2019-11-07 00:59:56,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:56,982 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:56,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:56,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:56,982 INFO L87 Difference]: Start difference. First operand 2497 states and 3197 transitions. Second operand 3 states. [2019-11-07 00:59:57,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:57,193 INFO L93 Difference]: Finished difference Result 4499 states and 5840 transitions. [2019-11-07 00:59:57,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:57,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-11-07 00:59:57,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:57,209 INFO L225 Difference]: With dead ends: 4499 [2019-11-07 00:59:57,209 INFO L226 Difference]: Without dead ends: 2346 [2019-11-07 00:59:57,216 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:57,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2346 states. [2019-11-07 00:59:57,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2346 to 1729. [2019-11-07 00:59:57,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1729 states. [2019-11-07 00:59:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1729 states and 2001 transitions. [2019-11-07 00:59:57,354 INFO L78 Accepts]: Start accepts. Automaton has 1729 states and 2001 transitions. Word has length 150 [2019-11-07 00:59:57,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:57,355 INFO L462 AbstractCegarLoop]: Abstraction has 1729 states and 2001 transitions. [2019-11-07 00:59:57,355 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2001 transitions. [2019-11-07 00:59:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-07 00:59:57,362 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:57,362 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:57,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:57,568 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:57,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:57,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1748914254, now seen corresponding path program 1 times [2019-11-07 00:59:57,569 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:57,569 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199668260] [2019-11-07 00:59:57,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 00:59:57,883 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199668260] [2019-11-07 00:59:57,883 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357196379] [2019-11-07 00:59:57,884 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 [2019-11-07 00:59:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:58,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 00:59:58,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:58,441 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:58,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:59:58,637 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:59:58,639 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 00:59:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 00:59:58,870 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:58,870 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 17 [2019-11-07 00:59:58,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894685260] [2019-11-07 00:59:58,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 00:59:58,872 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:58,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 00:59:58,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2019-11-07 00:59:58,872 INFO L87 Difference]: Start difference. First operand 1729 states and 2001 transitions. Second operand 9 states. [2019-11-07 01:00:00,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:00,723 INFO L93 Difference]: Finished difference Result 5130 states and 6691 transitions. [2019-11-07 01:00:00,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-11-07 01:00:00,724 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2019-11-07 01:00:00,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:00,758 INFO L225 Difference]: With dead ends: 5130 [2019-11-07 01:00:00,758 INFO L226 Difference]: Without dead ends: 3745 [2019-11-07 01:00:00,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 300 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=134, Invalid=418, Unknown=0, NotChecked=0, Total=552 [2019-11-07 01:00:00,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3745 states. [2019-11-07 01:00:01,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3745 to 3117. [2019-11-07 01:00:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2019-11-07 01:00:01,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3744 transitions. [2019-11-07 01:00:01,072 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3744 transitions. Word has length 152 [2019-11-07 01:00:01,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:01,073 INFO L462 AbstractCegarLoop]: Abstraction has 3117 states and 3744 transitions. [2019-11-07 01:00:01,073 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:01,073 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3744 transitions. [2019-11-07 01:00:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-07 01:00:01,082 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:01,082 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:00:01,296 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:00:01,297 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:01,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:01,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1676527696, now seen corresponding path program 1 times [2019-11-07 01:00:01,297 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:01,298 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635017066] [2019-11-07 01:00:01,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-07 01:00:01,543 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635017066] [2019-11-07 01:00:01,543 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:01,544 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-07 01:00:01,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50174564] [2019-11-07 01:00:01,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-07 01:00:01,545 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:01,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-07 01:00:01,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-11-07 01:00:01,545 INFO L87 Difference]: Start difference. First operand 3117 states and 3744 transitions. Second operand 9 states. [2019-11-07 01:00:01,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:01,800 INFO L93 Difference]: Finished difference Result 4275 states and 5119 transitions. [2019-11-07 01:00:01,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-07 01:00:01,801 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2019-11-07 01:00:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:01,810 INFO L225 Difference]: With dead ends: 4275 [2019-11-07 01:00:01,810 INFO L226 Difference]: Without dead ends: 1502 [2019-11-07 01:00:01,817 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:00:01,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2019-11-07 01:00:01,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1444. [2019-11-07 01:00:01,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2019-11-07 01:00:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1680 transitions. [2019-11-07 01:00:01,907 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1680 transitions. Word has length 152 [2019-11-07 01:00:01,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:01,907 INFO L462 AbstractCegarLoop]: Abstraction has 1444 states and 1680 transitions. [2019-11-07 01:00:01,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-07 01:00:01,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1680 transitions. [2019-11-07 01:00:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-07 01:00:01,913 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:00:01,913 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 01:00:01,913 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:00:01,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:00:01,914 INFO L82 PathProgramCache]: Analyzing trace with hash -619870851, now seen corresponding path program 1 times [2019-11-07 01:00:01,914 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:00:01,914 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988632540] [2019-11-07 01:00:01,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:00:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:00:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-07 01:00:02,002 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988632540] [2019-11-07 01:00:02,002 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:00:02,002 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:00:02,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519356383] [2019-11-07 01:00:02,003 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:00:02,003 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:00:02,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:00:02,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:00:02,004 INFO L87 Difference]: Start difference. First operand 1444 states and 1680 transitions. Second operand 3 states. [2019-11-07 01:00:02,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:00:02,126 INFO L93 Difference]: Finished difference Result 1728 states and 2034 transitions. [2019-11-07 01:00:02,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:00:02,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-11-07 01:00:02,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:00:02,128 INFO L225 Difference]: With dead ends: 1728 [2019-11-07 01:00:02,128 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:00:02,133 INFO L630 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 [2019-11-07 01:00:02,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:00:02,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:00:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:00:02,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:00:02,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2019-11-07 01:00:02,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:00:02,136 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:00:02,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:00:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:00:02,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:00:02,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:00:03,236 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 51 [2019-11-07 01:00:03,702 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 24 [2019-11-07 01:00:03,926 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 31 [2019-11-07 01:00:04,542 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2019-11-07 01:00:04,755 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 38 [2019-11-07 01:00:05,117 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2019-11-07 01:00:05,354 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 33 [2019-11-07 01:00:05,931 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 54 [2019-11-07 01:00:06,359 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2019-11-07 01:00:06,545 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 23 [2019-11-07 01:00:06,815 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 27 [2019-11-07 01:00:07,341 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 30 [2019-11-07 01:00:07,856 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 41 [2019-11-07 01:00:08,021 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2019-11-07 01:00:08,305 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 50 [2019-11-07 01:00:08,637 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2019-11-07 01:00:08,769 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2019-11-07 01:00:08,947 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 27 [2019-11-07 01:00:09,057 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2019-11-07 01:00:09,060 INFO L443 ceAbstractionStarter]: For program point L705(lines 705 709) no Hoare annotation was computed. [2019-11-07 01:00:09,060 INFO L443 ceAbstractionStarter]: For program point L705-1(lines 705 709) no Hoare annotation was computed. [2019-11-07 01:00:09,060 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-11-07 01:00:09,060 INFO L443 ceAbstractionStarter]: For program point L699-2(lines 699 720) no Hoare annotation was computed. [2019-11-07 01:00:09,060 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 674 729) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L721(lines 698 722) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 674 729) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 674 729) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L762(lines 762 766) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L762-1(lines 762 766) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 730 789) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L757(line 757) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 781) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 730 789) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L782(lines 755 783) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 730 789) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2019-11-07 01:00:09,061 INFO L443 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2019-11-07 01:00:09,062 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 395 401) the Hoare annotation is: true [2019-11-07 01:00:09,062 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 395 401) no Hoare annotation was computed. [2019-11-07 01:00:09,062 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 402 410) no Hoare annotation was computed. [2019-11-07 01:00:09,062 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 402 410) the Hoare annotation is: true [2019-11-07 01:00:09,062 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 402 410) no Hoare annotation was computed. [2019-11-07 01:00:09,062 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 589 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,063 INFO L439 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~6 1) (= 0 ~methAndRunningLastTime~0))) [2019-11-07 01:00:09,063 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 589 611) no Hoare annotation was computed. [2019-11-07 01:00:09,063 INFO L439 ceAbstractionStarter]: At program point L601-1(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= ~pumpRunning~0 0) (= main_~tmp~6 1) (= 0 ~methAndRunningLastTime~0))) [2019-11-07 01:00:09,063 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 606) no Hoare annotation was computed. [2019-11-07 01:00:09,063 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 599 606) no Hoare annotation was computed. [2019-11-07 01:00:09,063 INFO L443 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2019-11-07 01:00:09,063 INFO L439 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,064 INFO L439 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,064 INFO L439 ceAbstractionStarter]: At program point L595-1(line 595) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 589 611) no Hoare annotation was computed. [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 547 570) no Hoare annotation was computed. [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 547 570) no Hoare annotation was computed. [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 547 570) no Hoare annotation was computed. [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point L564(line 564) no Hoare annotation was computed. [2019-11-07 01:00:09,064 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L555(line 555) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 318 332) no Hoare annotation was computed. [2019-11-07 01:00:09,065 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 318 332) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (or .cse3 .cse4)) (.cse6 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not .cse1) (not (<= 1 ~waterLevel~0)) .cse2) (or .cse3 (not (= ~waterLevel~0 1)) .cse4 .cse5) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not .cse0)) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse6)) (or .cse5 .cse2 .cse6)))) [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 318 332) no Hoare annotation was computed. [2019-11-07 01:00:09,066 INFO L439 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) .cse2)) (or .cse0 (not (= ~waterLevel~0 1)) .cse1))) [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2019-11-07 01:00:09,066 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2019-11-07 01:00:09,066 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2019-11-07 01:00:09,066 INFO L443 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L446 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point L251(lines 251 259) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point L251-2(lines 251 259) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point L274-1(line 274) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 244 279) no Hoare annotation was computed. [2019-11-07 01:00:09,067 INFO L443 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 244 279) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point L263-2(lines 263 271) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 244 279) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 388 394) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 388 394) the Hoare annotation is: true [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 628 673) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 628 673) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 628 673) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point L961(lines 961 968) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 975) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point L955-1(lines 955 975) no Hoare annotation was computed. [2019-11-07 01:00:09,068 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 941 986) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 941 986) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 941 986) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 578 588) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 578 588) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L439 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 578 588) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 224 234) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 224 234) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 224 234) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2019-11-07 01:00:09,069 INFO L443 ceAbstractionStarter]: For program point L229-1(line 229) no Hoare annotation was computed. [2019-11-07 01:00:09,070 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 (or .cse1 (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)))) (or (or .cse1 (not (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1))) .cse0))) [2019-11-07 01:00:09,070 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2019-11-07 01:00:09,070 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2019-11-07 01:00:09,070 INFO L443 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2019-11-07 01:00:09,070 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 492 505) no Hoare annotation was computed. [2019-11-07 01:00:09,070 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 492 505) the Hoare annotation is: true [2019-11-07 01:00:09,070 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 492 505) no Hoare annotation was computed. [2019-11-07 01:00:09,071 INFO L439 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2019-11-07 01:00:09,071 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2019-11-07 01:00:09,071 INFO L439 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2019-11-07 01:00:09,071 INFO L443 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2019-11-07 01:00:09,071 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2019-11-07 01:00:09,071 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 183 207) no Hoare annotation was computed. [2019-11-07 01:00:09,071 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 183 207) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0 (= ~pumpRunning~0 0)))) [2019-11-07 01:00:09,072 INFO L439 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0 (= ~pumpRunning~0 0)))) [2019-11-07 01:00:09,072 INFO L443 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2019-11-07 01:00:09,072 INFO L439 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (not (= ~methAndRunningLastTime~0 0))) .cse0))) [2019-11-07 01:00:09,072 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2019-11-07 01:00:09,072 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2019-11-07 01:00:09,072 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) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,072 INFO L439 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 01:00:09,073 INFO L443 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2019-11-07 01:00:09,073 INFO L439 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= 0 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse0 .cse5 .cse1 .cse6) (and (and (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1) .cse5) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and .cse0 .cse5 .cse1 .cse6) .cse3) (and .cse4 (<= 1 ~pumpRunning~0) .cse2 .cse0))) [2019-11-07 01:00:09,073 INFO L443 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2019-11-07 01:00:09,073 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2019-11-07 01:00:09,073 INFO L443 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2019-11-07 01:00:09,073 INFO L439 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse1 .cse2 .cse3) (= 0 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (and .cse4 .cse0 .cse1 .cse2 .cse3))) [2019-11-07 01:00:09,074 INFO L443 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2019-11-07 01:00:09,074 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2019-11-07 01:00:09,074 INFO L439 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (and (and .cse1 .cse2 .cse3 .cse4) (= 0 ~systemActive~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4))) [2019-11-07 01:00:09,074 INFO L439 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse1) (and (and (and .cse1 .cse3) .cse2 .cse4) (= 0 ~systemActive~0)))) [2019-11-07 01:00:09,074 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2019-11-07 01:00:09,074 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2019-11-07 01:00:09,074 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2019-11-07 01:00:09,075 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(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 895 940) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 895 940) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point L915(lines 915 922) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 895 940) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point L909(lines 909 929) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point L909-1(lines 909 929) no Hoare annotation was computed. [2019-11-07 01:00:09,075 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 506 514) no Hoare annotation was computed. [2019-11-07 01:00:09,076 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 506 514) the Hoare annotation is: true [2019-11-07 01:00:09,076 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 506 514) no Hoare annotation was computed. [2019-11-07 01:00:09,076 INFO L443 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2019-11-07 01:00:09,076 INFO L443 ceAbstractionStarter]: For program point L352(lines 352 369) no Hoare annotation was computed. [2019-11-07 01:00:09,076 INFO L443 ceAbstractionStarter]: For program point L352-1(lines 344 372) no Hoare annotation was computed. [2019-11-07 01:00:09,076 INFO L439 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse4 .cse3))) [2019-11-07 01:00:09,076 INFO L443 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2019-11-07 01:00:09,077 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 344 372) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse2 .cse3) (or (not (<= 1 ~pumpRunning~0)) .cse1 (not (<= 2 ~waterLevel~0)) .cse4 .cse3))) [2019-11-07 01:00:09,077 INFO L439 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 (or .cse4 .cse2)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse4 (not (= ~systemActive~0 0)) .cse3))) [2019-11-07 01:00:09,077 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2019-11-07 01:00:09,077 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 366) no Hoare annotation was computed. [2019-11-07 01:00:09,077 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 344 372) no Hoare annotation was computed. [2019-11-07 01:00:09,077 INFO L439 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse5 (not (<= 1 ~waterLevel~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 1 ~pumpRunning~0))) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (<= 2 ~waterLevel~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse7)) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or (or .cse0 .cse7) .cse1 .cse5) (or .cse8 .cse9 (or .cse6 .cse7)) (or .cse8 .cse2 .cse9 .cse6 .cse4))) [2019-11-07 01:00:09,077 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 476) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L439 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 336 343) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 336 343) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 336 343) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 378 387) no Hoare annotation was computed. [2019-11-07 01:00:09,078 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 378 387) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 378 387) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 792 894) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point L816(lines 816 820) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 891) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point L843(lines 843 847) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point L841-2(lines 841 861) no Hoare annotation was computed. [2019-11-07 01:00:09,079 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 792 894) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L862(lines 840 863) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L821(lines 821 837) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 792 894) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L881(lines 881 888) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L842(lines 841 861) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L873-1(line 873) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point L838(lines 838 879) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,080 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 208 215) no Hoare annotation was computed. [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 208 215) no Hoare annotation was computed. [2019-11-07 01:00:09,081 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 208 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2019-11-07 01:00:09,081 INFO L446 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2019-11-07 01:00:09,081 INFO L443 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2019-11-07 01:00:09,082 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2019-11-07 01:00:09,082 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2019-11-07 01:00:09,082 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2019-11-07 01:00:09,082 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2019-11-07 01:00:09,082 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2019-11-07 01:00:09,082 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (<= 1 ~waterLevel~0)))) (and (or (or (not (<= 1 ~pumpRunning~0)) (not (<= 2 ~waterLevel~0)) .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse0 .cse1 .cse2) .cse5 .cse3) (or (or .cse4 .cse1 .cse2) (not (= ~systemActive~0 0)) .cse3 .cse5))) [2019-11-07 01:00:09,082 INFO L443 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2019-11-07 01:00:09,082 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2019-11-07 01:00:09,083 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,083 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,083 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,083 INFO L443 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2019-11-07 01:00:09,083 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse2 (and .cse12 (= 0 ~methAndRunningLastTime~0))) (.cse0 (or .cse3 .cse4 .cse7)) (.cse11 (and .cse12 .cse9)) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse2 .cse8 (or .cse3 .cse7) .cse1) (or .cse9 .cse0 .cse10) (or .cse11 .cse8 .cse10 .cse3) (or (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse8 .cse11 .cse1) (or .cse3 .cse8 .cse5 .cse6 .cse7) (or (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse4) .cse10) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse9))))) [2019-11-07 01:00:09,083 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2019-11-07 01:00:09,084 INFO L439 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (or .cse2 .cse3 .cse5)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= 0 ~methAndRunningLastTime~0))) (or .cse2 .cse3 (= 1 ~waterLevel~0) .cse4 .cse5) (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse6) (or .cse7 .cse6 .cse2) (or (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse3) .cse6) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse7 .cse1) (or .cse2 .cse7 .cse4 .cse5)))) [2019-11-07 01:00:09,084 INFO L439 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and .cse0 .cse11)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 0))) (.cse7 (= 1 ~waterLevel~0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) .cse2)) (or .cse3 .cse4 .cse2 .cse5) (or (or .cse5 (not (= ~methaneLevelCritical~0 0))) .cse4 .cse3 .cse6) (or .cse5 .cse1 (and .cse7 .cse0 .cse8) .cse9 .cse10) (or .cse4 (or .cse5 .cse10) .cse6 .cse0) (or (or .cse5 .cse1 .cse10) .cse2 .cse3 (and (<= 1 ~pumpRunning~0) .cse8 .cse11)) (or .cse5 .cse4 (and .cse7 .cse8) .cse9 .cse10)))) [2019-11-07 01:00:09,084 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2019-11-07 01:00:09,084 INFO L439 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or (or .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0 .cse3) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse2 .cse5 .cse4) .cse3) (or (or (or (not (<= 1 |old(~pumpRunning~0)|)) .cse5) .cse1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))))) [2019-11-07 01:00:09,084 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 517 546) no Hoare annotation was computed. [2019-11-07 01:00:09,084 INFO L446 ceAbstractionStarter]: At program point L542(lines 517 546) the Hoare annotation is: true [2019-11-07 01:00:09,085 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 517 546) the Hoare annotation is: true [2019-11-07 01:00:09,085 INFO L443 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-07 01:00:09,085 INFO L443 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2019-11-07 01:00:09,085 INFO L446 ceAbstractionStarter]: At program point L531-1(lines 531 535) the Hoare annotation is: true [2019-11-07 01:00:09,085 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-11-07 01:00:09,085 INFO L446 ceAbstractionStarter]: At program point L527-2(lines 527 541) the Hoare annotation is: true [2019-11-07 01:00:09,085 INFO L446 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: true [2019-11-07 01:00:09,085 INFO L443 ceAbstractionStarter]: For program point L523-1(line 523) no Hoare annotation was computed. [2019-11-07 01:00:09,086 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2019-11-07 01:00:09,086 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2019-11-07 01:00:09,086 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2019-11-07 01:00:09,086 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: (or (or (not (<= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (<= 2 |old(~waterLevel~0)|))) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2019-11-07 01:00:09,086 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2019-11-07 01:00:09,086 INFO L443 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2019-11-07 01:00:09,086 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 571 577) no Hoare annotation was computed. [2019-11-07 01:00:09,086 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 571 577) the Hoare annotation is: true [2019-11-07 01:00:09,086 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,087 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) (= 0 ~methAndRunningLastTime~0)) [2019-11-07 01:00:09,087 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:00:09,087 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:00:09,087 INFO L443 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2019-11-07 01:00:09,087 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-07 01:00:09,087 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2019-11-07 01:00:09,087 INFO L439 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (<= 1 ~waterLevel~0))) [2019-11-07 01:00:09,088 INFO L443 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2019-11-07 01:00:09,088 INFO L439 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-11-07 01:00:09,088 INFO L439 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) (= ~pumpRunning~0 0) (not (<= 2 ~waterLevel~0))) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2019-11-07 01:00:09,088 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2019-11-07 01:00:09,088 INFO L439 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-11-07 01:00:09,088 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-11-07 01:00:09,088 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2019-11-07 01:00:09,088 INFO L443 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2019-11-07 01:00:09,089 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse2 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse5 .cse6) (or .cse6 (or .cse0 .cse1) .cse5 .cse4) (or .cse7 .cse6 .cse5 .cse4 .cse0) (or .cse0 .cse7 .cse2 .cse3 .cse4))) [2019-11-07 01:00:09,089 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 613 620) no Hoare annotation was computed. [2019-11-07 01:00:09,089 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 613 620) the Hoare annotation is: true [2019-11-07 01:00:09,089 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 613 620) no Hoare annotation was computed. [2019-11-07 01:00:09,089 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2019-11-07 01:00:09,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:00:09 BoogieIcfgContainer [2019-11-07 01:00:09,109 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:00:09,113 INFO L168 Benchmark]: Toolchain (without parser) took 19256.23 ms. Allocated memory was 146.3 MB in the beginning and 532.2 MB in the end (delta: 385.9 MB). Free memory was 103.4 MB in the beginning and 212.3 MB in the end (delta: -108.9 MB). Peak memory consumption was 408.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:09,114 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 01:00:09,115 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.06 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 172.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:09,115 INFO L168 Benchmark]: Boogie Preprocessor took 91.52 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:09,120 INFO L168 Benchmark]: RCFGBuilder took 1184.48 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.2 MB in the beginning and 195.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:09,121 INFO L168 Benchmark]: TraceAbstraction took 17275.75 ms. Allocated memory was 235.9 MB in the beginning and 532.2 MB in the end (delta: 296.2 MB). Free memory was 194.0 MB in the beginning and 212.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 409.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:00:09,132 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 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.06 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 103.1 MB in the beginning and 172.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.52 ms. Allocated memory is still 203.9 MB. Free memory was 172.0 MB in the beginning and 167.2 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.48 ms. Allocated memory was 203.9 MB in the beginning and 235.9 MB in the end (delta: 32.0 MB). Free memory was 167.2 MB in the beginning and 195.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17275.75 ms. Allocated memory was 235.9 MB in the beginning and 532.2 MB in the end (delta: 296.2 MB). Free memory was 194.0 MB in the beginning and 212.3 MB in the end (delta: -18.2 MB). Peak memory consumption was 409.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: 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(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (((1 == systemActive && 1 <= pumpRunning) && 2 <= waterLevel) && 0 == splverifierCounter)) || ((((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) && 0 == methAndRunningLastTime) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. Result: SAFE, OverallTime: 17.1s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, HoareTripleCheckerStatistics: 2261 SDtfs, 1411 SDslu, 4842 SDs, 0 SdLazy, 2023 SolverSat, 422 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 728 GetRequests, 645 SyntacticMatches, 5 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3117occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 13 MinimizatonAttempts, 1642 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4464 PreInvPairs, 4583 NumberOfFragments, 2336 HoareAnnotationTreeSize, 4464 FomulaSimplifications, 16145 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 17347 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1559 NumberOfCodeBlocks, 1559 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 347274 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1833 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 13 PerfectInterpolantSequences, 336/356 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...