/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 17:08:08,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 17:08:08,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 17:08:08,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 17:08:08,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 17:08:08,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 17:08:08,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 17:08:08,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 17:08:08,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 17:08:08,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 17:08:08,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 17:08:08,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 17:08:08,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 17:08:08,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 17:08:08,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 17:08:08,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 17:08:08,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 17:08:08,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 17:08:08,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 17:08:08,522 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 17:08:08,524 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 17:08:08,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 17:08:08,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 17:08:08,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 17:08:08,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 17:08:08,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 17:08:08,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 17:08:08,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 17:08:08,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 17:08:08,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 17:08:08,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 17:08:08,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 17:08:08,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 17:08:08,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 17:08:08,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 17:08:08,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 17:08:08,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 17:08:08,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 17:08:08,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 17:08:08,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 17:08:08,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 17:08:08,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 17:08:08,592 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 17:08:08,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 17:08:08,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 17:08:08,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 17:08:08,594 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 17:08:08,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 17:08:08,595 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 17:08:08,595 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 17:08:08,595 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 17:08:08,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 17:08:08,596 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 17:08:08,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 17:08:08,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 17:08:08,596 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 17:08:08,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 17:08:08,596 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 17:08:08,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 17:08:08,597 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 17:08:08,597 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 17:08:08,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 17:08:08,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 17:08:08,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 17:08:08,598 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 17:08:08,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 17:08:08,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 17:08:08,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 17:08:08,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 17:08:08,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 17:08:08,599 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 17:08:08,599 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-08-21 17:08:08,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 17:08:08,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 17:08:08,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 17:08:08,894 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 17:08:08,895 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 17:08:08,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-08-21 17:08:08,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9dc28313/87705fb4f0be44e4839fe77d2b044027/FLAG11b79a08f [2020-08-21 17:08:09,540 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 17:08:09,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product28.cil.c [2020-08-21 17:08:09,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9dc28313/87705fb4f0be44e4839fe77d2b044027/FLAG11b79a08f [2020-08-21 17:08:09,870 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f9dc28313/87705fb4f0be44e4839fe77d2b044027 [2020-08-21 17:08:09,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 17:08:09,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 17:08:09,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 17:08:09,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 17:08:09,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 17:08:09,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:08:09" (1/1) ... [2020-08-21 17:08:09,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a00abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:09, skipping insertion in model container [2020-08-21 17:08:09,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 05:08:09" (1/1) ... [2020-08-21 17:08:09,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 17:08:09,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 17:08:10,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:08:10,370 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 17:08:10,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 17:08:10,491 INFO L208 MainTranslator]: Completed translation [2020-08-21 17:08:10,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10 WrapperNode [2020-08-21 17:08:10,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 17:08:10,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 17:08:10,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 17:08:10,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 17:08:10,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... [2020-08-21 17:08:10,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 17:08:10,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 17:08:10,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 17:08:10,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 17:08:10,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 17:08:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 17:08:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 17:08:10,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 17:08:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 17:08:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 17:08:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 17:08:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 17:08:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 17:08:10,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 17:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 17:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 17:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 17:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 17:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 17:08:10,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 17:08:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 17:08:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 17:08:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 17:08:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 17:08:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 17:08:10,660 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 17:08:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 17:08:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 17:08:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 17:08:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 17:08:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 17:08:10,661 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 17:08:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 17:08:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 17:08:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 17:08:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 17:08:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 17:08:10,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 17:08:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 17:08:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 17:08:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 17:08:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 17:08:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 17:08:10,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 17:08:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 17:08:10,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 17:08:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 17:08:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 17:08:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 17:08:10,664 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 17:08:10,665 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 17:08:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 17:08:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 17:08:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 17:08:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 17:08:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 17:08:10,666 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 17:08:10,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 17:08:10,668 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 17:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 17:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 17:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 17:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 17:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 17:08:10,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 17:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 17:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 17:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 17:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 17:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 17:08:10,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 17:08:10,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 17:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 17:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 17:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 17:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 17:08:10,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 17:08:11,676 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 17:08:11,676 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 17:08:11,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:08:11 BoogieIcfgContainer [2020-08-21 17:08:11,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 17:08:11,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 17:08:11,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 17:08:11,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 17:08:11,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 05:08:09" (1/3) ... [2020-08-21 17:08:11,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525db691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:08:11, skipping insertion in model container [2020-08-21 17:08:11,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 05:08:10" (2/3) ... [2020-08-21 17:08:11,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@525db691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 05:08:11, skipping insertion in model container [2020-08-21 17:08:11,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 05:08:11" (3/3) ... [2020-08-21 17:08:11,690 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product28.cil.c [2020-08-21 17:08:11,701 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 17:08:11,709 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 17:08:11,723 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 17:08:11,753 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 17:08:11,753 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 17:08:11,753 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 17:08:11,754 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 17:08:11,754 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 17:08:11,755 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 17:08:11,755 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 17:08:11,756 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 17:08:11,790 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-21 17:08:11,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 17:08:11,806 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:08:11,809 INFO L422 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] [2020-08-21 17:08:11,809 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:08:11,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:08:11,816 INFO L82 PathProgramCache]: Analyzing trace with hash 428209433, now seen corresponding path program 1 times [2020-08-21 17:08:11,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:08:11,826 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87333395] [2020-08-21 17:08:11,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:08:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,493 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:08:12,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:08:12,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:08:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:08:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:08:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:08:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:08:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 17:08:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 17:08:12,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:08:12,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87333395] [2020-08-21 17:08:12,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:08:12,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 17:08:12,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689431898] [2020-08-21 17:08:12,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 17:08:12,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:08:12,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 17:08:12,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:08:12,631 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-08-21 17:08:13,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:08:13,810 INFO L93 Difference]: Finished difference Result 271 states and 357 transitions. [2020-08-21 17:08:13,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 17:08:13,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 17:08:13,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:08:13,831 INFO L225 Difference]: With dead ends: 271 [2020-08-21 17:08:13,831 INFO L226 Difference]: Without dead ends: 153 [2020-08-21 17:08:13,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 17:08:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-08-21 17:08:13,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 119. [2020-08-21 17:08:13,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-08-21 17:08:13,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2020-08-21 17:08:13,928 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2020-08-21 17:08:13,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:08:13,929 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2020-08-21 17:08:13,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 17:08:13,929 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2020-08-21 17:08:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 17:08:13,933 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:08:13,933 INFO L422 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] [2020-08-21 17:08:13,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 17:08:13,934 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:08:13,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:08:13,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1561969621, now seen corresponding path program 1 times [2020-08-21 17:08:13,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:08:13,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843110122] [2020-08-21 17:08:13,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:08:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,260 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:08:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:08:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:08:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:08:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:08:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:08:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:08:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:08:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 17:08:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:14,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:08:14,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843110122] [2020-08-21 17:08:14,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:08:14,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 17:08:14,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564176803] [2020-08-21 17:08:14,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 17:08:14,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:08:14,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 17:08:14,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 17:08:14,363 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 5 states. [2020-08-21 17:08:14,816 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:08:15,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:08:15,673 INFO L93 Difference]: Finished difference Result 206 states and 256 transitions. [2020-08-21 17:08:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 17:08:15,674 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 17:08:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:08:15,677 INFO L225 Difference]: With dead ends: 206 [2020-08-21 17:08:15,677 INFO L226 Difference]: Without dead ends: 143 [2020-08-21 17:08:15,679 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 17:08:15,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-21 17:08:15,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 110. [2020-08-21 17:08:15,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-21 17:08:15,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2020-08-21 17:08:15,717 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2020-08-21 17:08:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:08:15,718 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2020-08-21 17:08:15,718 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 17:08:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2020-08-21 17:08:15,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-21 17:08:15,721 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:08:15,721 INFO L422 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] [2020-08-21 17:08:15,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 17:08:15,721 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:08:15,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:08:15,722 INFO L82 PathProgramCache]: Analyzing trace with hash 166162683, now seen corresponding path program 1 times [2020-08-21 17:08:15,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:08:15,722 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1093037158] [2020-08-21 17:08:15,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:08:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,074 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:08:16,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:08:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:08:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:08:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:08:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:08:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:08:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 17:08:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 17:08:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:16,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:08:16,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1093037158] [2020-08-21 17:08:16,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:08:16,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:08:16,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879916672] [2020-08-21 17:08:16,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:08:16,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:08:16,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:08:16,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:08:16,250 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 9 states. [2020-08-21 17:08:16,643 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:08:16,983 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:17,253 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:17,497 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:18,329 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 17:08:19,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:08:19,948 INFO L93 Difference]: Finished difference Result 378 states and 478 transitions. [2020-08-21 17:08:19,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 17:08:19,949 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-21 17:08:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:08:19,953 INFO L225 Difference]: With dead ends: 378 [2020-08-21 17:08:19,953 INFO L226 Difference]: Without dead ends: 296 [2020-08-21 17:08:19,955 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 17:08:19,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-08-21 17:08:20,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 231. [2020-08-21 17:08:20,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-08-21 17:08:20,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 280 transitions. [2020-08-21 17:08:20,048 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 280 transitions. Word has length 57 [2020-08-21 17:08:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:08:20,049 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 280 transitions. [2020-08-21 17:08:20,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:08:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 280 transitions. [2020-08-21 17:08:20,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 17:08:20,052 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:08:20,052 INFO L422 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] [2020-08-21 17:08:20,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 17:08:20,053 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:08:20,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:08:20,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1270413566, now seen corresponding path program 1 times [2020-08-21 17:08:20,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:08:20,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1639847403] [2020-08-21 17:08:20,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:08:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,364 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:08:20,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:08:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:08:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:08:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:08:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:08:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:08:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 17:08:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 17:08:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 17:08:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:08:20,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1639847403] [2020-08-21 17:08:20,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:08:20,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 17:08:20,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497153737] [2020-08-21 17:08:20,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 17:08:20,465 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:08:20,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 17:08:20,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 17:08:20,465 INFO L87 Difference]: Start difference. First operand 231 states and 280 transitions. Second operand 9 states. [2020-08-21 17:08:20,853 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:08:22,010 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:22,308 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:22,576 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:22,823 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:08:23,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:08:23,891 INFO L93 Difference]: Finished difference Result 742 states and 996 transitions. [2020-08-21 17:08:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 17:08:23,892 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 17:08:23,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:08:23,898 INFO L225 Difference]: With dead ends: 742 [2020-08-21 17:08:23,898 INFO L226 Difference]: Without dead ends: 539 [2020-08-21 17:08:23,901 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 17:08:23,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-08-21 17:08:24,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 410. [2020-08-21 17:08:24,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-08-21 17:08:24,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 500 transitions. [2020-08-21 17:08:24,022 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 500 transitions. Word has length 62 [2020-08-21 17:08:24,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:08:24,023 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 500 transitions. [2020-08-21 17:08:24,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 17:08:24,023 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 500 transitions. [2020-08-21 17:08:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 17:08:24,026 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 17:08:24,026 INFO L422 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] [2020-08-21 17:08:24,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 17:08:24,027 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 17:08:24,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 17:08:24,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1668441378, now seen corresponding path program 1 times [2020-08-21 17:08:24,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 17:08:24,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [457492145] [2020-08-21 17:08:24,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 17:08:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,349 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:08:24,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 17:08:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 17:08:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 17:08:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 17:08:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 17:08:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 17:08:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 17:08:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 17:08:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 17:08:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 17:08:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 17:08:24,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 17:08:24,489 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [457492145] [2020-08-21 17:08:24,489 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 17:08:24,489 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 17:08:24,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946367636] [2020-08-21 17:08:24,490 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 17:08:24,490 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 17:08:24,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 17:08:24,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 17:08:24,491 INFO L87 Difference]: Start difference. First operand 410 states and 500 transitions. Second operand 10 states. [2020-08-21 17:08:24,994 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 17:08:25,971 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:26,236 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:26,483 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 17:08:26,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 17:08:26,994 INFO L93 Difference]: Finished difference Result 811 states and 1101 transitions. [2020-08-21 17:08:26,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 17:08:26,995 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 17:08:26,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 17:08:26,995 INFO L225 Difference]: With dead ends: 811 [2020-08-21 17:08:26,996 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 17:08:26,998 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 17:08:26,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 17:08:26,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 17:08:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 17:08:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 17:08:26,999 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 17:08:26,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 17:08:27,000 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 17:08:27,000 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 17:08:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 17:08:27,000 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 17:08:27,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 17:08:27,002 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 17:08:30,981 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 17:08:31,149 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:08:31,327 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 17:08:31,701 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-21 17:08:31,877 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 17:08:32,101 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 17:08:32,278 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 17:08:32,617 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 17:08:32,769 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 17:08:33,085 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 17:08:33,440 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 17:08:33,768 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 17:08:33,925 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:08:34,083 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:08:34,242 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:08:34,402 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 17:08:34,581 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:08:34,890 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 17:08:35,195 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 17:08:35,345 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 17:08:35,524 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 17:08:35,834 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 17:08:36,292 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 17:08:36,582 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 17:08:36,872 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 17:08:36,876 INFO L268 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-08-21 17:08:36,876 INFO L268 CegarLoopResult]: For program point L673-1(lines 673 677) no Hoare annotation was computed. [2020-08-21 17:08:36,876 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-08-21 17:08:36,876 INFO L268 CegarLoopResult]: For program point L667-2(lines 667 688) no Hoare annotation was computed. [2020-08-21 17:08:36,876 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 642 697) no Hoare annotation was computed. [2020-08-21 17:08:36,877 INFO L268 CegarLoopResult]: For program point L689(lines 666 690) no Hoare annotation was computed. [2020-08-21 17:08:36,877 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 642 697) no Hoare annotation was computed. [2020-08-21 17:08:36,877 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 642 697) no Hoare annotation was computed. [2020-08-21 17:08:36,877 INFO L268 CegarLoopResult]: For program point L730(lines 730 734) no Hoare annotation was computed. [2020-08-21 17:08:36,877 INFO L268 CegarLoopResult]: For program point L730-1(lines 730 734) no Hoare annotation was computed. [2020-08-21 17:08:36,877 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 698 757) no Hoare annotation was computed. [2020-08-21 17:08:36,878 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-21 17:08:36,878 INFO L268 CegarLoopResult]: For program point L724-2(lines 724 749) no Hoare annotation was computed. [2020-08-21 17:08:36,878 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 698 757) no Hoare annotation was computed. [2020-08-21 17:08:36,878 INFO L268 CegarLoopResult]: For program point L750(lines 723 751) no Hoare annotation was computed. [2020-08-21 17:08:36,878 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 698 757) no Hoare annotation was computed. [2020-08-21 17:08:36,878 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-08-21 17:08:36,879 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-08-21 17:08:36,879 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-21 17:08:36,879 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-21 17:08:36,879 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-21 17:08:36,879 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-21 17:08:36,879 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-21 17:08:36,880 INFO L264 CegarLoopResult]: At program point L578-1(line 578) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 17:08:36,880 INFO L268 CegarLoopResult]: For program point L576(lines 576 583) no Hoare annotation was computed. [2020-08-21 17:08:36,880 INFO L268 CegarLoopResult]: For program point L576-1(lines 576 583) no Hoare annotation was computed. [2020-08-21 17:08:36,880 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 17:08:36,880 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 566 588) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,880 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,881 INFO L264 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,881 INFO L264 CegarLoopResult]: At program point L572-1(line 572) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,881 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 566 588) no Hoare annotation was computed. [2020-08-21 17:08:36,881 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 566 588) no Hoare annotation was computed. [2020-08-21 17:08:36,881 INFO L264 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~5 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-21 17:08:36,881 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 524 547) no Hoare annotation was computed. [2020-08-21 17:08:36,881 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 524 547) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 524 547) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-08-21 17:08:36,882 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 360 374) no Hoare annotation was computed. [2020-08-21 17:08:36,883 INFO L264 CegarLoopResult]: At program point L366(line 366) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 17:08:36,883 INFO L268 CegarLoopResult]: For program point L364(lines 364 370) no Hoare annotation was computed. [2020-08-21 17:08:36,884 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 360 374) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 17:08:36,884 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 360 374) no Hoare annotation was computed. [2020-08-21 17:08:36,884 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 296 304) no Hoare annotation was computed. [2020-08-21 17:08:36,884 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 296 304) the Hoare annotation is: true [2020-08-21 17:08:36,884 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 296 304) no Hoare annotation was computed. [2020-08-21 17:08:36,884 INFO L268 CegarLoopResult]: For program point L350(lines 350 354) no Hoare annotation was computed. [2020-08-21 17:08:36,884 INFO L271 CegarLoopResult]: At program point L348(line 348) the Hoare annotation is: true [2020-08-21 17:08:36,884 INFO L268 CegarLoopResult]: For program point L350-2(lines 350 354) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point L348-1(line 348) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 341 359) the Hoare annotation is: true [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 341 359) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 341 359) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point L312(lines 312 320) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point L312-2(lines 312 320) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point L335(line 335) no Hoare annotation was computed. [2020-08-21 17:08:36,885 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 305 340) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point L335-1(line 335) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 305 340) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point L324(lines 324 332) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 305 340) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point L324-2(lines 324 332) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-21 17:08:36,886 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-21 17:08:36,886 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 596 641) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 596 641) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 596 641) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point L929(lines 929 936) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point L923(lines 923 943) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point L923-1(lines 923 943) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 909 954) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 909 954) no Hoare annotation was computed. [2020-08-21 17:08:36,887 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 909 954) no Hoare annotation was computed. [2020-08-21 17:08:36,888 INFO L264 CegarLoopResult]: At program point L560(line 560) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,888 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 555 565) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,888 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 555 565) no Hoare annotation was computed. [2020-08-21 17:08:36,888 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 555 565) no Hoare annotation was computed. [2020-08-21 17:08:36,888 INFO L268 CegarLoopResult]: For program point L290-1(line 290) no Hoare annotation was computed. [2020-08-21 17:08:36,888 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 285 295) no Hoare annotation was computed. [2020-08-21 17:08:36,888 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 285 295) no Hoare annotation was computed. [2020-08-21 17:08:36,889 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 285 295) no Hoare annotation was computed. [2020-08-21 17:08:36,889 INFO L268 CegarLoopResult]: For program point L290(line 290) no Hoare annotation was computed. [2020-08-21 17:08:36,889 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 277 284) the Hoare annotation is: true [2020-08-21 17:08:36,889 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 277 284) no Hoare annotation was computed. [2020-08-21 17:08:36,889 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 277 284) no Hoare annotation was computed. [2020-08-21 17:08:36,889 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 226 250) no Hoare annotation was computed. [2020-08-21 17:08:36,889 INFO L264 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,889 INFO L268 CegarLoopResult]: For program point L245-1(lines 226 250) no Hoare annotation was computed. [2020-08-21 17:08:36,890 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 226 250) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,890 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,890 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,890 INFO L268 CegarLoopResult]: For program point L234(lines 234 242) no Hoare annotation was computed. [2020-08-21 17:08:36,890 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,890 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed. [2020-08-21 17:08:36,890 INFO L268 CegarLoopResult]: For program point L230(lines 230 247) no Hoare annotation was computed. [2020-08-21 17:08:36,891 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 218 224) no Hoare annotation was computed. [2020-08-21 17:08:36,891 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 218 224) the Hoare annotation is: true [2020-08-21 17:08:36,891 INFO L264 CegarLoopResult]: At program point L417(line 417) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:08:36,891 INFO L264 CegarLoopResult]: At program point testENTRY(lines 385 452) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,891 INFO L268 CegarLoopResult]: For program point L415(lines 415 421) no Hoare annotation was computed. [2020-08-21 17:08:36,891 INFO L268 CegarLoopResult]: For program point L415-1(lines 415 421) no Hoare annotation was computed. [2020-08-21 17:08:36,891 INFO L264 CegarLoopResult]: At program point L442(lines 395 444) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:08:36,891 INFO L264 CegarLoopResult]: At program point L407(line 407) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:08:36,892 INFO L268 CegarLoopResult]: For program point testFINAL(lines 385 452) no Hoare annotation was computed. [2020-08-21 17:08:36,892 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-08-21 17:08:36,892 INFO L268 CegarLoopResult]: For program point L405-1(lines 405 411) no Hoare annotation was computed. [2020-08-21 17:08:36,892 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-08-21 17:08:36,892 INFO L264 CegarLoopResult]: At program point L445(lines 394 446) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 17:08:36,892 INFO L264 CegarLoopResult]: At program point L435(line 435) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:08:36,892 INFO L268 CegarLoopResult]: For program point L433(lines 433 439) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L264 CegarLoopResult]: At program point L433-1(lines 425 440) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point L396(lines 395 444) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L264 CegarLoopResult]: At program point L427(line 427) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point L425(lines 425 440) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point testEXIT(lines 385 452) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 863 908) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 863 908) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-08-21 17:08:36,893 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 863 908) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point L877(lines 877 897) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point L877-1(lines 877 897) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 251 258) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 251 258) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 251 258) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-08-21 17:08:36,894 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-08-21 17:08:36,894 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-08-21 17:08:36,895 INFO L264 CegarLoopResult]: At program point L478(line 478) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 17:08:36,895 INFO L268 CegarLoopResult]: For program point L476(lines 476 482) no Hoare annotation was computed. [2020-08-21 17:08:36,895 INFO L268 CegarLoopResult]: For program point L475(lines 475 485) no Hoare annotation was computed. [2020-08-21 17:08:36,895 INFO L264 CegarLoopResult]: At program point L473(line 473) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 17:08:36,895 INFO L268 CegarLoopResult]: For program point L473-1(line 473) no Hoare annotation was computed. [2020-08-21 17:08:36,895 INFO L268 CegarLoopResult]: For program point L471(lines 471 488) no Hoare annotation was computed. [2020-08-21 17:08:36,895 INFO L268 CegarLoopResult]: For program point L471-1(lines 463 491) no Hoare annotation was computed. [2020-08-21 17:08:36,895 INFO L264 CegarLoopResult]: At program point L469(line 469) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 17:08:36,895 INFO L268 CegarLoopResult]: For program point L469-1(line 469) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 463 491) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 17:08:36,896 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 463 491) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-08-21 17:08:36,896 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 455 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 455 462) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 455 462) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 760 862) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point L830(lines 808 831) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point L789(lines 789 805) no Hoare annotation was computed. [2020-08-21 17:08:36,897 INFO L268 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point L810(lines 809 829) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point L806(lines 806 847) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 760 862) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-08-21 17:08:36,898 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 760 862) no Hoare annotation was computed. [2020-08-21 17:08:36,899 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-08-21 17:08:36,899 INFO L268 CegarLoopResult]: For program point L848(lines 848 859) no Hoare annotation was computed. [2020-08-21 17:08:36,899 INFO L268 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-08-21 17:08:36,899 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 829) no Hoare annotation was computed. [2020-08-21 17:08:36,899 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,899 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point L271(line 271) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point L271-1(lines 260 276) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 260 276) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point L267(lines 267 273) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point L265(line 265) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 260 276) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point L265-1(line 265) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-08-21 17:08:36,900 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 17:08:36,901 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,901 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-08-21 17:08:36,902 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-08-21 17:08:36,902 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-08-21 17:08:36,902 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 194 217) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,902 INFO L264 CegarLoopResult]: At program point L207(line 207) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,902 INFO L264 CegarLoopResult]: At program point L205(lines 205 211) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 17:08:36,902 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 194 217) no Hoare annotation was computed. [2020-08-21 17:08:36,903 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 17:08:36,903 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 194 217) no Hoare annotation was computed. [2020-08-21 17:08:36,903 INFO L268 CegarLoopResult]: For program point L198(lines 197 216) no Hoare annotation was computed. [2020-08-21 17:08:36,903 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2020-08-21 17:08:36,903 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2020-08-21 17:08:36,903 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-08-21 17:08:36,903 INFO L271 CegarLoopResult]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2020-08-21 17:08:36,903 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 17:08:36,904 INFO L271 CegarLoopResult]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2020-08-21 17:08:36,904 INFO L271 CegarLoopResult]: At program point L500(line 500) the Hoare annotation is: true [2020-08-21 17:08:36,904 INFO L268 CegarLoopResult]: For program point L500-1(line 500) no Hoare annotation was computed. [2020-08-21 17:08:36,904 INFO L271 CegarLoopResult]: At program point L519(lines 494 523) the Hoare annotation is: true [2020-08-21 17:08:36,904 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-21 17:08:36,904 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-08-21 17:08:36,904 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-08-21 17:08:36,904 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-08-21 17:08:36,905 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 548 554) no Hoare annotation was computed. [2020-08-21 17:08:36,905 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 548 554) the Hoare annotation is: true [2020-08-21 17:08:36,905 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,905 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 17:08:36,905 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 17:08:36,905 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 17:08:36,905 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 375 382) no Hoare annotation was computed. [2020-08-21 17:08:36,906 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 375 382) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-21 17:08:36,906 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 375 382) no Hoare annotation was computed. [2020-08-21 17:08:36,906 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-08-21 17:08:36,906 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-08-21 17:08:36,906 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 17:08:36,906 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-21 17:08:36,906 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-21 17:08:36,906 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-21 17:08:36,907 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-21 17:08:36,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 05:08:36 BoogieIcfgContainer [2020-08-21 17:08:36,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 17:08:36,926 INFO L168 Benchmark]: Toolchain (without parser) took 27045.56 ms. Allocated memory was 141.0 MB in the beginning and 674.8 MB in the end (delta: 533.7 MB). Free memory was 102.8 MB in the beginning and 323.3 MB in the end (delta: -220.5 MB). Peak memory consumption was 524.2 MB. Max. memory is 7.1 GB. [2020-08-21 17:08:36,927 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 17:08:36,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 611.10 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 169.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-08-21 17:08:36,928 INFO L168 Benchmark]: Boogie Preprocessor took 102.51 ms. Allocated memory is still 205.0 MB. Free memory was 169.9 MB in the beginning and 165.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-21 17:08:36,929 INFO L168 Benchmark]: RCFGBuilder took 1086.44 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 189.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-08-21 17:08:36,930 INFO L168 Benchmark]: TraceAbstraction took 25240.93 ms. Allocated memory was 235.4 MB in the beginning and 674.8 MB in the end (delta: 439.4 MB). Free memory was 189.9 MB in the beginning and 323.3 MB in the end (delta: -133.4 MB). Peak memory consumption was 516.9 MB. Max. memory is 7.1 GB. [2020-08-21 17:08:36,934 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 611.10 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 102.6 MB in the beginning and 169.9 MB in the end (delta: -67.3 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.51 ms. Allocated memory is still 205.0 MB. Free memory was 169.9 MB in the beginning and 165.4 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1086.44 ms. Allocated memory was 205.0 MB in the beginning and 235.4 MB in the end (delta: 30.4 MB). Free memory was 165.4 MB in the beginning and 189.9 MB in the end (delta: -24.5 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25240.93 ms. Allocated memory was 235.4 MB in the beginning and 674.8 MB in the end (delta: 439.4 MB). Free memory was 189.9 MB in the beginning and 323.3 MB in the end (delta: -133.4 MB). Peak memory consumption was 516.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 395]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 513 SDtfs, 945 SDslu, 570 SDs, 0 SdLazy, 2555 SolverSat, 723 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=410occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 261 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 538 PreInvPairs, 665 NumberOfFragments, 803 HoareAnnotationTreeSize, 538 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.6s HoareSimplificationTime, 56 FomulaSimplificationsInter, 17680 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...