/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 18:27:14,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 18:27:14,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 18:27:14,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 18:27:14,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 18:27:14,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 18:27:14,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 18:27:14,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 18:27:14,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 18:27:14,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 18:27:14,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 18:27:14,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 18:27:14,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 18:27:14,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 18:27:14,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 18:27:14,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 18:27:14,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 18:27:14,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 18:27:14,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 18:27:14,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 18:27:14,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 18:27:14,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 18:27:14,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 18:27:14,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 18:27:14,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 18:27:14,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 18:27:14,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 18:27:14,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 18:27:14,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 18:27:14,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 18:27:14,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 18:27:14,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 18:27:14,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 18:27:14,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 18:27:14,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 18:27:14,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 18:27:14,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 18:27:14,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 18:27:14,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 18:27:14,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 18:27:14,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 18:27:14,526 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 [2020-08-18 18:27:14,548 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 18:27:14,548 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 18:27:14,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 18:27:14,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 18:27:14,550 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 18:27:14,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 18:27:14,550 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 18:27:14,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 18:27:14,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 18:27:14,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 18:27:14,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 18:27:14,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 18:27:14,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 18:27:14,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 18:27:14,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 18:27:14,552 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 18:27:14,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 18:27:14,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 18:27:14,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 18:27:14,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 18:27:14,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 18:27:14,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 18:27:14,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 18:27:14,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 18:27:14,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 18:27:14,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 18:27:14,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 18:27:14,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 18:27:14,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 18:27:14,555 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=5;interpolation-heuristic=LOWLEXORDER; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=LOWLEXORDER; [2020-08-18 18:27:14,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 18:27:14,887 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 18:27:14,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 18:27:14,891 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 18:27:14,892 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 18:27:14,892 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2020-08-18 18:27:14,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7de960ef4/884e3774ea8b428e9441b4a73efd8c06/FLAG4a3c2e608 [2020-08-18 18:27:15,454 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 18:27:15,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product31.cil.c [2020-08-18 18:27:15,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7de960ef4/884e3774ea8b428e9441b4a73efd8c06/FLAG4a3c2e608 [2020-08-18 18:27:15,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7de960ef4/884e3774ea8b428e9441b4a73efd8c06 [2020-08-18 18:27:15,741 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 18:27:15,743 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 18:27:15,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 18:27:15,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 18:27:15,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 18:27:15,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:27:15" (1/1) ... [2020-08-18 18:27:15,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7503bbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:15, skipping insertion in model container [2020-08-18 18:27:15,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:27:15" (1/1) ... [2020-08-18 18:27:15,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 18:27:15,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 18:27:16,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:27:16,269 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 18:27:16,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 18:27:16,386 INFO L208 MainTranslator]: Completed translation [2020-08-18 18:27:16,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16 WrapperNode [2020-08-18 18:27:16,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 18:27:16,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 18:27:16,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 18:27:16,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 18:27:16,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (1/1) ... [2020-08-18 18:27:16,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 18:27:16,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 18:27:16,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 18:27:16,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 18:27:16,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (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 [2020-08-18 18:27:16,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 18:27:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 18:27:16,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 18:27:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 18:27:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 18:27:16,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 18:27:16,632 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 18:27:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 18:27:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 18:27:16,633 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 18:27:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 18:27:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 18:27:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 18:27:16,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 18:27:16,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 18:27:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 18:27:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 18:27:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 18:27:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 18:27:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 18:27:16,636 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 18:27:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 18:27:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 18:27:16,637 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 18:27:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 18:27:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 18:27:16,638 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 18:27:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 18:27:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 18:27:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 18:27:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 18:27:16,639 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 18:27:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 18:27:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 18:27:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 18:27:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 18:27:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 18:27:16,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 18:27:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 18:27:16,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 18:27:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 18:27:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 18:27:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 18:27:16,641 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 18:27:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 18:27:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 18:27:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 18:27:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 18:27:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 18:27:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 18:27:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 18:27:16,644 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 18:27:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 18:27:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 18:27:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 18:27:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 18:27:16,645 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 18:27:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 18:27:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 18:27:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 18:27:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 18:27:16,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 18:27:16,647 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 18:27:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 18:27:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 18:27:16,648 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 18:27:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 18:27:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 18:27:16,649 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 18:27:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 18:27:16,650 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 18:27:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 18:27:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 18:27:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 18:27:16,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 18:27:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 18:27:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 18:27:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 18:27:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 18:27:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 18:27:16,652 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 18:27:16,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 18:27:17,802 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 18:27:17,802 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 18:27:17,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:27:17 BoogieIcfgContainer [2020-08-18 18:27:17,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 18:27:17,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 18:27:17,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 18:27:17,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 18:27:17,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 06:27:15" (1/3) ... [2020-08-18 18:27:17,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eea616e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:27:17, skipping insertion in model container [2020-08-18 18:27:17,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:27:16" (2/3) ... [2020-08-18 18:27:17,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eea616e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 06:27:17, skipping insertion in model container [2020-08-18 18:27:17,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:27:17" (3/3) ... [2020-08-18 18:27:17,825 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2020-08-18 18:27:17,837 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 18:27:17,847 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 18:27:17,862 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 18:27:17,894 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 18:27:17,894 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 18:27:17,894 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 18:27:17,894 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 18:27:17,895 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 18:27:17,895 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 18:27:17,895 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 18:27:17,896 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 18:27:17,919 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-08-18 18:27:17,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 18:27:17,929 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:27:17,930 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] [2020-08-18 18:27:17,930 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:27:17,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:27:17,935 INFO L82 PathProgramCache]: Analyzing trace with hash 516418904, now seen corresponding path program 1 times [2020-08-18 18:27:17,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:27:17,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1063727835] [2020-08-18 18:27:17,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:27:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,568 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:27:18,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:27:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:27:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:27:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:27:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:27:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 18:27:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 18:27:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:18,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:27:18,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1063727835] [2020-08-18 18:27:18,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:27:18,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 18:27:18,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751500375] [2020-08-18 18:27:18,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 18:27:18,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:27:18,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 18:27:18,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 18:27:18,682 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 3 states. [2020-08-18 18:27:19,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:27:19,912 INFO L93 Difference]: Finished difference Result 293 states and 389 transitions. [2020-08-18 18:27:19,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 18:27:19,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 18:27:19,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:27:19,930 INFO L225 Difference]: With dead ends: 293 [2020-08-18 18:27:19,930 INFO L226 Difference]: Without dead ends: 159 [2020-08-18 18:27:19,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 18:27:19,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-08-18 18:27:20,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 125. [2020-08-18 18:27:20,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-18 18:27:20,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 149 transitions. [2020-08-18 18:27:20,037 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 149 transitions. Word has length 46 [2020-08-18 18:27:20,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:27:20,037 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 149 transitions. [2020-08-18 18:27:20,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 18:27:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 149 transitions. [2020-08-18 18:27:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 18:27:20,041 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:27:20,041 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] [2020-08-18 18:27:20,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 18:27:20,042 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:27:20,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:27:20,043 INFO L82 PathProgramCache]: Analyzing trace with hash -104358884, now seen corresponding path program 1 times [2020-08-18 18:27:20,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:27:20,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379052332] [2020-08-18 18:27:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:27:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,385 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:27:20,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:27:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:27:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:27:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:27:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:27:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 18:27:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 18:27:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:27:20,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379052332] [2020-08-18 18:27:20,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:27:20,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 18:27:20,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319129446] [2020-08-18 18:27:20,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 18:27:20,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:27:20,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 18:27:20,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 18:27:20,433 INFO L87 Difference]: Start difference. First operand 125 states and 149 transitions. Second operand 4 states. [2020-08-18 18:27:20,845 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:27:21,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:27:21,615 INFO L93 Difference]: Finished difference Result 220 states and 272 transitions. [2020-08-18 18:27:21,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 18:27:21,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 18:27:21,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:27:21,619 INFO L225 Difference]: With dead ends: 220 [2020-08-18 18:27:21,619 INFO L226 Difference]: Without dead ends: 143 [2020-08-18 18:27:21,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 18:27:21,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-18 18:27:21,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 116. [2020-08-18 18:27:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-08-18 18:27:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 137 transitions. [2020-08-18 18:27:21,660 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 137 transitions. Word has length 47 [2020-08-18 18:27:21,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:27:21,661 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 137 transitions. [2020-08-18 18:27:21,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 18:27:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 137 transitions. [2020-08-18 18:27:21,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 18:27:21,663 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:27:21,663 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] [2020-08-18 18:27:21,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 18:27:21,664 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:27:21,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:27:21,664 INFO L82 PathProgramCache]: Analyzing trace with hash -713962624, now seen corresponding path program 1 times [2020-08-18 18:27:21,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:27:21,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1006956024] [2020-08-18 18:27:21,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:27:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,032 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:27:22,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:27:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:27:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:27:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:27:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:27:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 18:27:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 18:27:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:27:22,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1006956024] [2020-08-18 18:27:22,115 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:27:22,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 18:27:22,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947883349] [2020-08-18 18:27:22,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:27:22,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:27:22,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:27:22,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:27:22,117 INFO L87 Difference]: Start difference. First operand 116 states and 137 transitions. Second operand 8 states. [2020-08-18 18:27:22,458 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:27:22,744 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:23,041 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:23,279 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:24,030 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:27:25,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:27:25,678 INFO L93 Difference]: Finished difference Result 400 states and 503 transitions. [2020-08-18 18:27:25,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 18:27:25,679 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 18:27:25,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:27:25,684 INFO L225 Difference]: With dead ends: 400 [2020-08-18 18:27:25,684 INFO L226 Difference]: Without dead ends: 308 [2020-08-18 18:27:25,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 18:27:25,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-08-18 18:27:25,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 250. [2020-08-18 18:27:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-08-18 18:27:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 306 transitions. [2020-08-18 18:27:25,755 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 306 transitions. Word has length 51 [2020-08-18 18:27:25,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:27:25,756 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 306 transitions. [2020-08-18 18:27:25,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:27:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 306 transitions. [2020-08-18 18:27:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 18:27:25,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:27:25,759 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] [2020-08-18 18:27:25,759 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 18:27:25,759 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:27:25,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:27:25,760 INFO L82 PathProgramCache]: Analyzing trace with hash -874963746, now seen corresponding path program 1 times [2020-08-18 18:27:25,760 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:27:25,760 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71792] [2020-08-18 18:27:25,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:27:25,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,060 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:27:26,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:27:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:27:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:27:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:27:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:27:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 18:27:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 18:27:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 18:27:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:27:26,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71792] [2020-08-18 18:27:26,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:27:26,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 18:27:26,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119083938] [2020-08-18 18:27:26,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 18:27:26,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:27:26,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 18:27:26,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 18:27:26,191 INFO L87 Difference]: Start difference. First operand 250 states and 306 transitions. Second operand 8 states. [2020-08-18 18:27:26,577 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:27:27,500 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:27,884 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:27:28,182 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:28,481 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:28,930 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 18:27:29,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:27:29,783 INFO L93 Difference]: Finished difference Result 808 states and 1063 transitions. [2020-08-18 18:27:29,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 18:27:29,786 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 18:27:29,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:27:29,799 INFO L225 Difference]: With dead ends: 808 [2020-08-18 18:27:29,801 INFO L226 Difference]: Without dead ends: 582 [2020-08-18 18:27:29,804 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 18:27:29,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-08-18 18:27:29,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 455. [2020-08-18 18:27:29,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-08-18 18:27:29,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2020-08-18 18:27:29,930 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 57 [2020-08-18 18:27:29,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:27:29,930 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2020-08-18 18:27:29,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 18:27:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2020-08-18 18:27:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 18:27:29,934 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 18:27:29,934 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] [2020-08-18 18:27:29,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 18:27:29,935 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 18:27:29,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 18:27:29,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1810482146, now seen corresponding path program 1 times [2020-08-18 18:27:29,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 18:27:29,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911513884] [2020-08-18 18:27:29,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 18:27:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,234 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:27:30,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 18:27:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 18:27:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 18:27:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 18:27:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 18:27:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 18:27:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 18:27:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 18:27:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 18:27:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 18:27:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 18:27:30,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911513884] [2020-08-18 18:27:30,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 18:27:30,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 18:27:30,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420309905] [2020-08-18 18:27:30,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 18:27:30,353 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 18:27:30,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 18:27:30,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 18:27:30,354 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand 9 states. [2020-08-18 18:27:30,687 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 18:27:31,590 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:31,842 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:32,063 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 18:27:32,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 18:27:32,397 INFO L93 Difference]: Finished difference Result 805 states and 1050 transitions. [2020-08-18 18:27:32,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 18:27:32,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 18:27:32,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 18:27:32,399 INFO L225 Difference]: With dead ends: 805 [2020-08-18 18:27:32,399 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 18:27:32,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 18:27:32,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 18:27:32,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 18:27:32,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 18:27:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 18:27:32,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 18:27:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 18:27:32,403 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 18:27:32,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 18:27:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 18:27:32,403 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 18:27:32,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 18:27:32,406 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 18:27:35,228 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 18:27:35,406 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:27:35,913 WARN L193 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 18:27:36,085 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 18:27:36,255 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 18:27:36,480 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 18:27:36,668 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 18:27:36,855 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 18:27:37,165 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 18:27:37,327 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 18:27:37,500 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 18:27:37,780 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 18:27:38,060 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 18:27:38,394 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 18:27:38,719 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 18:27:38,907 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:27:39,079 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:27:39,391 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 18:27:39,552 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:27:39,706 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:27:39,861 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 18:27:40,161 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 18:27:40,320 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 18:27:40,649 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 18:27:40,804 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 18:27:40,824 INFO L268 CegarLoopResult]: For program point L673(lines 673 677) no Hoare annotation was computed. [2020-08-18 18:27:40,824 INFO L268 CegarLoopResult]: For program point L673-1(lines 673 677) no Hoare annotation was computed. [2020-08-18 18:27:40,825 INFO L268 CegarLoopResult]: For program point L668(line 668) no Hoare annotation was computed. [2020-08-18 18:27:40,825 INFO L268 CegarLoopResult]: For program point L667-2(lines 667 688) no Hoare annotation was computed. [2020-08-18 18:27:40,825 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 642 697) no Hoare annotation was computed. [2020-08-18 18:27:40,825 INFO L268 CegarLoopResult]: For program point L689(lines 666 690) no Hoare annotation was computed. [2020-08-18 18:27:40,825 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 642 697) no Hoare annotation was computed. [2020-08-18 18:27:40,826 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 642 697) no Hoare annotation was computed. [2020-08-18 18:27:40,826 INFO L268 CegarLoopResult]: For program point L730(lines 730 734) no Hoare annotation was computed. [2020-08-18 18:27:40,826 INFO L268 CegarLoopResult]: For program point L730-1(lines 730 734) no Hoare annotation was computed. [2020-08-18 18:27:40,826 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 698 757) no Hoare annotation was computed. [2020-08-18 18:27:40,826 INFO L268 CegarLoopResult]: For program point L725(line 725) no Hoare annotation was computed. [2020-08-18 18:27:40,827 INFO L268 CegarLoopResult]: For program point L724-2(lines 724 749) no Hoare annotation was computed. [2020-08-18 18:27:40,827 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 698 757) no Hoare annotation was computed. [2020-08-18 18:27:40,827 INFO L268 CegarLoopResult]: For program point L750(lines 723 751) no Hoare annotation was computed. [2020-08-18 18:27:40,827 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 698 757) no Hoare annotation was computed. [2020-08-18 18:27:40,827 INFO L268 CegarLoopResult]: For program point L743(line 743) no Hoare annotation was computed. [2020-08-18 18:27:40,827 INFO L268 CegarLoopResult]: For program point L743-1(line 743) no Hoare annotation was computed. [2020-08-18 18:27:40,828 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 256 262) the Hoare annotation is: true [2020-08-18 18:27:40,828 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 256 262) no Hoare annotation was computed. [2020-08-18 18:27:40,828 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 263 271) no Hoare annotation was computed. [2020-08-18 18:27:40,828 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 263 271) the Hoare annotation is: true [2020-08-18 18:27:40,828 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 263 271) no Hoare annotation was computed. [2020-08-18 18:27:40,828 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-18 18:27:40,828 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-18 18:27:40,829 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,829 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,829 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,829 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,829 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-18 18:27:40,830 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-18 18:27:40,830 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,830 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,830 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-18 18:27:40,830 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 18:27:40,830 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 18:27:40,831 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 18:27:40,832 INFO L264 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,833 INFO L264 CegarLoopResult]: At program point L349(line 349) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,833 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-08-18 18:27:40,833 INFO L264 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,833 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-08-18 18:27:40,833 INFO L268 CegarLoopResult]: For program point L343(lines 343 360) no Hoare annotation was computed. [2020-08-18 18:27:40,833 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 339 363) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,833 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 339 363) no Hoare annotation was computed. [2020-08-18 18:27:40,833 INFO L264 CegarLoopResult]: At program point L358(line 358) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,834 INFO L268 CegarLoopResult]: For program point L358-1(lines 339 363) no Hoare annotation was computed. [2020-08-18 18:27:40,834 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 498 512) no Hoare annotation was computed. [2020-08-18 18:27:40,834 INFO L264 CegarLoopResult]: At program point L504(line 504) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 18:27:40,834 INFO L268 CegarLoopResult]: For program point L502(lines 502 508) no Hoare annotation was computed. [2020-08-18 18:27:40,834 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 498 512) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 18:27:40,834 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 498 512) no Hoare annotation was computed. [2020-08-18 18:27:40,834 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 434 442) no Hoare annotation was computed. [2020-08-18 18:27:40,834 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 434 442) the Hoare annotation is: true [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 434 442) no Hoare annotation was computed. [2020-08-18 18:27:40,835 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 479 497) the Hoare annotation is: true [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point L488(lines 488 492) no Hoare annotation was computed. [2020-08-18 18:27:40,835 INFO L271 CegarLoopResult]: At program point L486(line 486) the Hoare annotation is: true [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point L488-2(lines 488 492) no Hoare annotation was computed. [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 479 497) no Hoare annotation was computed. [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 479 497) no Hoare annotation was computed. [2020-08-18 18:27:40,835 INFO L268 CegarLoopResult]: For program point L450-2(lines 450 458) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point L473-1(line 473) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 443 478) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point L462(lines 462 470) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point L462-2(lines 462 470) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 443 478) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 443 478) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point L450(lines 450 458) no Hoare annotation was computed. [2020-08-18 18:27:40,836 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 249 255) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 249 255) the Hoare annotation is: true [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 596 641) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 596 641) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 596 641) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point L929(lines 929 936) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point L923(lines 923 943) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point L923-1(lines 923 943) no Hoare annotation was computed. [2020-08-18 18:27:40,837 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 909 954) no Hoare annotation was computed. [2020-08-18 18:27:40,838 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 909 954) no Hoare annotation was computed. [2020-08-18 18:27:40,838 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 909 954) no Hoare annotation was computed. [2020-08-18 18:27:40,838 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,838 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-18 18:27:40,838 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-18 18:27:40,838 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 423 433) the Hoare annotation is: true [2020-08-18 18:27:40,838 INFO L271 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: true [2020-08-18 18:27:40,839 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-08-18 18:27:40,839 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 423 433) no Hoare annotation was computed. [2020-08-18 18:27:40,839 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 423 433) no Hoare annotation was computed. [2020-08-18 18:27:40,839 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 415 422) the Hoare annotation is: true [2020-08-18 18:27:40,839 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 415 422) no Hoare annotation was computed. [2020-08-18 18:27:40,839 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 415 422) no Hoare annotation was computed. [2020-08-18 18:27:40,839 INFO L264 CegarLoopResult]: At program point L384(line 384) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,839 INFO L268 CegarLoopResult]: For program point L384-1(lines 365 389) no Hoare annotation was computed. [2020-08-18 18:27:40,840 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,840 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,840 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 365 389) no Hoare annotation was computed. [2020-08-18 18:27:40,840 INFO L268 CegarLoopResult]: For program point L373(lines 373 381) no Hoare annotation was computed. [2020-08-18 18:27:40,840 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 365 389) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,840 INFO L264 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,840 INFO L268 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-08-18 18:27:40,841 INFO L268 CegarLoopResult]: For program point L369(lines 369 386) no Hoare annotation was computed. [2020-08-18 18:27:40,841 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 331 337) no Hoare annotation was computed. [2020-08-18 18:27:40,841 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 331 337) the Hoare annotation is: true [2020-08-18 18:27:40,841 INFO L264 CegarLoopResult]: At program point testENTRY(lines 514 579) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,841 INFO L264 CegarLoopResult]: At program point L572(lines 523 573) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 18:27:40,841 INFO L268 CegarLoopResult]: For program point testFINAL(lines 514 579) no Hoare annotation was computed. [2020-08-18 18:27:40,841 INFO L264 CegarLoopResult]: At program point L562(line 562) 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))) [2020-08-18 18:27:40,841 INFO L268 CegarLoopResult]: For program point L560(lines 560 566) no Hoare annotation was computed. [2020-08-18 18:27:40,842 INFO L264 CegarLoopResult]: At program point L560-1(lines 554 567) 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))) [2020-08-18 18:27:40,842 INFO L268 CegarLoopResult]: For program point L525(lines 524 571) no Hoare annotation was computed. [2020-08-18 18:27:40,842 INFO L268 CegarLoopResult]: For program point L554(lines 554 567) no Hoare annotation was computed. [2020-08-18 18:27:40,842 INFO L264 CegarLoopResult]: At program point L546(line 546) 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))) [2020-08-18 18:27:40,842 INFO L268 CegarLoopResult]: For program point L544(lines 544 550) no Hoare annotation was computed. [2020-08-18 18:27:40,842 INFO L268 CegarLoopResult]: For program point L544-1(lines 544 550) no Hoare annotation was computed. [2020-08-18 18:27:40,842 INFO L264 CegarLoopResult]: At program point L569(lines 524 571) 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))) [2020-08-18 18:27:40,843 INFO L264 CegarLoopResult]: At program point L536(line 536) 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))) [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point L534(lines 534 540) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point L534-1(lines 534 540) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point L526(lines 526 530) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point testEXIT(lines 514 579) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 863 908) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 863 908) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point L883(lines 883 890) no Hoare annotation was computed. [2020-08-18 18:27:40,843 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 863 908) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point L877(lines 877 897) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point L877-1(lines 877 897) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 390 397) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 390 397) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 390 397) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 228 236) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 228 236) the Hoare annotation is: true [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 228 236) no Hoare annotation was computed. [2020-08-18 18:27:40,844 INFO L268 CegarLoopResult]: For program point L204(lines 204 212) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point L204-2(lines 204 212) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 196 218) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 196 218) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 196 218) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 239 248) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 239 248) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 239 248) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 760 862) no Hoare annotation was computed. [2020-08-18 18:27:40,845 INFO L268 CegarLoopResult]: For program point L830(lines 808 831) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L789(lines 789 805) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L849(lines 849 856) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L810(lines 809 829) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L806(lines 806 847) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 760 862) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-18 18:27:40,846 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-08-18 18:27:40,847 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 760 862) no Hoare annotation was computed. [2020-08-18 18:27:40,847 INFO L268 CegarLoopResult]: For program point L784(lines 784 788) no Hoare annotation was computed. [2020-08-18 18:27:40,847 INFO L268 CegarLoopResult]: For program point L848(lines 848 859) no Hoare annotation was computed. [2020-08-18 18:27:40,847 INFO L268 CegarLoopResult]: For program point L811(lines 811 815) no Hoare annotation was computed. [2020-08-18 18:27:40,847 INFO L268 CegarLoopResult]: For program point L809-2(lines 809 829) no Hoare annotation was computed. [2020-08-18 18:27:40,847 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#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~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#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~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.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~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#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~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.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~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~string71.base| |old(#t~string71.base)|) (= |#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~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#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)|)) [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 398 414) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 398 414) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point L409-1(lines 398 414) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point L405(lines 405 411) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-18 18:27:40,848 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 219 227) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 219 227) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 219 227) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 175 186) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 175 186) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point L179-1(lines 175 186) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,849 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,850 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,850 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,850 INFO L264 CegarLoopResult]: At program point L318(lines 318 324) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,850 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 18:27:40,850 INFO L268 CegarLoopResult]: For program point L311(lines 310 329) no Hoare annotation was computed. [2020-08-18 18:27:40,850 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 307 330) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 18:27:40,850 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 307 330) no Hoare annotation was computed. [2020-08-18 18:27:40,851 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 307 330) no Hoare annotation was computed. [2020-08-18 18:27:40,851 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 18:27:40,851 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 18:27:40,851 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 18:27:40,851 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 18:27:40,851 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 18:27:40,851 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 18:27:40,851 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 18:27:40,852 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 18:27:40,852 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 18:27:40,852 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 18:27:40,852 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 187 195) the Hoare annotation is: true [2020-08-18 18:27:40,852 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 187 195) no Hoare annotation was computed. [2020-08-18 18:27:40,852 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 187 195) no Hoare annotation was computed. [2020-08-18 18:27:40,852 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 151 162) the Hoare annotation is: true [2020-08-18 18:27:40,852 INFO L268 CegarLoopResult]: For program point L155-1(lines 151 162) no Hoare annotation was computed. [2020-08-18 18:27:40,852 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 151 162) no Hoare annotation was computed. [2020-08-18 18:27:40,853 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 18:27:40,853 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 18:27:40,853 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,853 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 18:27:40,853 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 18:27:40,853 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 18:27:40,853 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 163 174) no Hoare annotation was computed. [2020-08-18 18:27:40,853 INFO L268 CegarLoopResult]: For program point L167-1(lines 163 174) no Hoare annotation was computed. [2020-08-18 18:27:40,854 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 163 174) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 18:27:40,854 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 581 588) no Hoare annotation was computed. [2020-08-18 18:27:40,854 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2020-08-18 18:27:40,854 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 581 588) the Hoare annotation is: true [2020-08-18 18:27:40,854 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 581 588) no Hoare annotation was computed. [2020-08-18 18:27:40,854 INFO L264 CegarLoopResult]: At program point L289(line 289) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 18:27:40,854 INFO L268 CegarLoopResult]: For program point L287(lines 287 293) no Hoare annotation was computed. [2020-08-18 18:27:40,855 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 18:27:40,855 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 275 299) the Hoare annotation is: true [2020-08-18 18:27:40,855 INFO L268 CegarLoopResult]: For program point L285-1(line 285) no Hoare annotation was computed. [2020-08-18 18:27:40,855 INFO L268 CegarLoopResult]: For program point L283(lines 283 296) no Hoare annotation was computed. [2020-08-18 18:27:40,855 INFO L268 CegarLoopResult]: For program point L283-1(lines 275 299) no Hoare annotation was computed. [2020-08-18 18:27:40,855 INFO L271 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: true [2020-08-18 18:27:40,855 INFO L268 CegarLoopResult]: For program point L281-1(line 281) no Hoare annotation was computed. [2020-08-18 18:27:40,855 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 275 299) no Hoare annotation was computed. [2020-08-18 18:27:40,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 06:27:40 BoogieIcfgContainer [2020-08-18 18:27:40,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 18:27:40,875 INFO L168 Benchmark]: Toolchain (without parser) took 25132.40 ms. Allocated memory was 138.9 MB in the beginning and 649.1 MB in the end (delta: 510.1 MB). Free memory was 100.6 MB in the beginning and 458.6 MB in the end (delta: -357.9 MB). Peak memory consumption was 490.8 MB. Max. memory is 7.1 GB. [2020-08-18 18:27:40,875 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 18:27:40,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.17 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 171.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-08-18 18:27:40,877 INFO L168 Benchmark]: Boogie Preprocessor took 125.80 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 166.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-08-18 18:27:40,878 INFO L168 Benchmark]: RCFGBuilder took 1298.65 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.8 MB in the beginning and 198.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-08-18 18:27:40,879 INFO L168 Benchmark]: TraceAbstraction took 23056.05 ms. Allocated memory was 234.9 MB in the beginning and 649.1 MB in the end (delta: 414.2 MB). Free memory was 198.3 MB in the beginning and 458.6 MB in the end (delta: -260.3 MB). Peak memory consumption was 492.5 MB. Max. memory is 7.1 GB. [2020-08-18 18:27:40,883 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.17 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 100.4 MB in the beginning and 171.3 MB in the end (delta: -70.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.80 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 166.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1298.65 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 166.8 MB in the beginning and 198.3 MB in the end (delta: -31.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23056.05 ms. Allocated memory was 234.9 MB in the beginning and 649.1 MB in the end (delta: 414.2 MB). Free memory was 198.3 MB in the beginning and 458.6 MB in the end (delta: -260.3 MB). Peak memory consumption was 492.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 585]: 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: 524]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 520 SDtfs, 910 SDslu, 410 SDs, 0 SdLazy, 2200 SolverSat, 605 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=455occurred 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, 246 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 614 PreInvPairs, 689 NumberOfFragments, 725 HoareAnnotationTreeSize, 614 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 59 FomulaSimplificationsInter, 18597 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 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...