/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=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:56:13,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:56:13,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:56:13,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:56:13,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:56:13,409 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:56:13,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:56:13,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:56:13,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:56:13,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:56:13,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:56:13,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:56:13,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:56:13,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:56:13,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:56:13,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:56:13,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:56:13,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:56:13,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:56:13,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:56:13,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:56:13,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:56:13,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:56:13,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:56:13,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:56:13,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:56:13,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:56:13,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:56:13,437 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:56:13,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:56:13,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:56:13,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:56:13,440 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:56:13,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:56:13,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:56:13,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:56:13,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:56:13,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:56:13,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:56:13,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:56:13,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:56:13,446 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 11:56:13,473 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:56:13,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:56:13,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:56:13,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:56:13,475 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:56:13,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:56:13,476 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:56:13,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:56:13,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:56:13,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:56:13,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:56:13,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:56:13,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:56:13,477 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:56:13,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:56:13,477 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:56:13,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:56:13,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:56:13,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:56:13,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:56:13,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:56:13,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:56:13,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:56:13,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:56:13,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:56:13,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:56:13,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:56:13,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:56:13,480 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:56:13,480 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=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 11:56:13,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:56:13,809 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:56:13,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:56:13,814 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:56:13,815 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:56:13,816 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-08-18 11:56:13,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da1e82d49/2ba3a83b49bb43d28c47bd1280a8ddd1/FLAGfe16cfebe [2020-08-18 11:56:14,413 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:56:14,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-08-18 11:56:14,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da1e82d49/2ba3a83b49bb43d28c47bd1280a8ddd1/FLAGfe16cfebe [2020-08-18 11:56:14,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/da1e82d49/2ba3a83b49bb43d28c47bd1280a8ddd1 [2020-08-18 11:56:14,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:56:14,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:56:14,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:14,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:56:14,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:56:14,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:14" (1/1) ... [2020-08-18 11:56:14,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20abf48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:14, skipping insertion in model container [2020-08-18 11:56:14,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:14" (1/1) ... [2020-08-18 11:56:14,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:56:14,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:56:15,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:15,290 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:56:15,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:15,432 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:56:15,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15 WrapperNode [2020-08-18 11:56:15,433 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:15,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:56:15,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:56:15,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:56:15,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:56:15,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:56:15,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:56:15,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:56:15,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (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 11:56:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:56:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:56:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 11:56:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 11:56:15,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 11:56:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 11:56:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 11:56:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 11:56:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 11:56:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 11:56:15,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 11:56:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 11:56:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 11:56:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 11:56:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 11:56:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:15,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 11:56:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 11:56:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 11:56:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 11:56:15,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 11:56:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 11:56:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 11:56:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 11:56:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 11:56:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 11:56:15,591 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 11:56:15,592 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 11:56:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 11:56:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 11:56:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 11:56:15,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 11:56:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:56:15,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:56:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 11:56:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 11:56:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 11:56:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 11:56:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 11:56:15,594 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 11:56:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 11:56:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 11:56:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 11:56:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 11:56:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 11:56:15,595 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 11:56:15,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:56:15,597 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:56:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:56:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:56:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:56:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:56:15,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:56:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:56:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 11:56:15,599 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 11:56:15,600 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:56:15,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:56:15,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:56:16,631 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:56:16,632 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 11:56:16,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:16 BoogieIcfgContainer [2020-08-18 11:56:16,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:56:16,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:56:16,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:56:16,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:56:16,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:56:14" (1/3) ... [2020-08-18 11:56:16,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b768dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:16, skipping insertion in model container [2020-08-18 11:56:16,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (2/3) ... [2020-08-18 11:56:16,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b768dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:16, skipping insertion in model container [2020-08-18 11:56:16,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:16" (3/3) ... [2020-08-18 11:56:16,646 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-08-18 11:56:16,657 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:56:16,664 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:56:16,678 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:56:16,703 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:56:16,703 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:56:16,704 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:56:16,704 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:56:16,704 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:56:16,704 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:56:16,705 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:56:16,705 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:56:16,727 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-18 11:56:16,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 11:56:16,738 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:16,739 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 11:56:16,739 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:16,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:16,745 INFO L82 PathProgramCache]: Analyzing trace with hash -719135997, now seen corresponding path program 1 times [2020-08-18 11:56:16,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:16,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020651135] [2020-08-18 11:56:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,364 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:17,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:56:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:17,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:17,462 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 11:56:17,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020651135] [2020-08-18 11:56:17,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:17,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:56:17,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493495318] [2020-08-18 11:56:17,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:56:17,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:17,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:56:17,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:17,490 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-08-18 11:56:18,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:18,681 INFO L93 Difference]: Finished difference Result 303 states and 400 transitions. [2020-08-18 11:56:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 11:56:18,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 11:56:18,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:18,699 INFO L225 Difference]: With dead ends: 303 [2020-08-18 11:56:18,700 INFO L226 Difference]: Without dead ends: 170 [2020-08-18 11:56:18,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:18,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-08-18 11:56:18,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 134. [2020-08-18 11:56:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-18 11:56:18,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-08-18 11:56:18,808 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-08-18 11:56:18,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:18,809 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-08-18 11:56:18,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:56:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-08-18 11:56:18,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 11:56:18,814 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:18,814 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:18,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:56:18,815 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:18,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:18,815 INFO L82 PathProgramCache]: Analyzing trace with hash 892952181, now seen corresponding path program 1 times [2020-08-18 11:56:18,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:18,816 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1958437356] [2020-08-18 11:56:18,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,241 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:56:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:56:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:19,328 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 11:56:19,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1958437356] [2020-08-18 11:56:19,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:19,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:56:19,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396988813] [2020-08-18 11:56:19,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:56:19,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:19,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:56:19,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:56:19,333 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 5 states. [2020-08-18 11:56:19,764 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:56:20,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:20,792 INFO L93 Difference]: Finished difference Result 238 states and 299 transitions. [2020-08-18 11:56:20,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:56:20,797 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 11:56:20,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:20,802 INFO L225 Difference]: With dead ends: 238 [2020-08-18 11:56:20,802 INFO L226 Difference]: Without dead ends: 160 [2020-08-18 11:56:20,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:56:20,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-18 11:56:20,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 125. [2020-08-18 11:56:20,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-18 11:56:20,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-08-18 11:56:20,861 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-08-18 11:56:20,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:20,862 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-08-18 11:56:20,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:56:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-08-18 11:56:20,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 11:56:20,865 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:20,865 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 11:56:20,865 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:56:20,865 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:20,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:20,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1536291852, now seen corresponding path program 1 times [2020-08-18 11:56:20,866 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:20,866 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1771579488] [2020-08-18 11:56:20,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:20,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,199 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:21,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:21,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:21,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:21,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 11:56:21,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,303 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 11:56:21,306 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1771579488] [2020-08-18 11:56:21,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:21,307 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:21,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874942196] [2020-08-18 11:56:21,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:21,308 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:21,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:21,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:21,310 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 9 states. [2020-08-18 11:56:21,644 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:21,971 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:22,215 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:22,443 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:23,210 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:56:24,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:24,871 INFO L93 Difference]: Finished difference Result 427 states and 544 transitions. [2020-08-18 11:56:24,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:56:24,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-08-18 11:56:24,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:24,880 INFO L225 Difference]: With dead ends: 427 [2020-08-18 11:56:24,880 INFO L226 Difference]: Without dead ends: 330 [2020-08-18 11:56:24,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 11:56:24,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-08-18 11:56:24,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 261. [2020-08-18 11:56:24,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2020-08-18 11:56:24,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 320 transitions. [2020-08-18 11:56:24,980 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 320 transitions. Word has length 57 [2020-08-18 11:56:24,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:24,981 INFO L479 AbstractCegarLoop]: Abstraction has 261 states and 320 transitions. [2020-08-18 11:56:24,981 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:24,981 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 320 transitions. [2020-08-18 11:56:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 11:56:24,984 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:24,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:24,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:56:24,985 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:24,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:24,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1973415317, now seen corresponding path program 1 times [2020-08-18 11:56:24,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:24,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976284640] [2020-08-18 11:56:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:25,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,304 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:25,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:56:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 11:56:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 11:56:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:25,413 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 11:56:25,413 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976284640] [2020-08-18 11:56:25,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:25,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:25,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321692009] [2020-08-18 11:56:25,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:25,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:25,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:25,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:25,415 INFO L87 Difference]: Start difference. First operand 261 states and 320 transitions. Second operand 9 states. [2020-08-18 11:56:25,743 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:26,818 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:27,190 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:27,445 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:27,756 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:28,870 INFO L93 Difference]: Finished difference Result 840 states and 1128 transitions. [2020-08-18 11:56:28,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 11:56:28,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-18 11:56:28,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:28,879 INFO L225 Difference]: With dead ends: 840 [2020-08-18 11:56:28,879 INFO L226 Difference]: Without dead ends: 607 [2020-08-18 11:56:28,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:56:28,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2020-08-18 11:56:29,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 470. [2020-08-18 11:56:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2020-08-18 11:56:29,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 580 transitions. [2020-08-18 11:56:29,017 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 580 transitions. Word has length 62 [2020-08-18 11:56:29,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:29,018 INFO L479 AbstractCegarLoop]: Abstraction has 470 states and 580 transitions. [2020-08-18 11:56:29,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 580 transitions. [2020-08-18 11:56:29,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 11:56:29,022 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:29,022 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:29,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:56:29,023 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:29,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:29,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1216851897, now seen corresponding path program 1 times [2020-08-18 11:56:29,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:29,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2000787957] [2020-08-18 11:56:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,367 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:29,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 11:56:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 11:56:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-18 11:56:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-18 11:56:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,516 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 11:56:29,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2000787957] [2020-08-18 11:56:29,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:29,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 11:56:29,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615420798] [2020-08-18 11:56:29,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:56:29,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:29,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:56:29,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:56:29,519 INFO L87 Difference]: Start difference. First operand 470 states and 580 transitions. Second operand 10 states. [2020-08-18 11:56:29,989 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:31,002 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:31,246 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:31,484 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:32,015 INFO L93 Difference]: Finished difference Result 891 states and 1209 transitions. [2020-08-18 11:56:32,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 11:56:32,015 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-18 11:56:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:32,016 INFO L225 Difference]: With dead ends: 891 [2020-08-18 11:56:32,016 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:56:32,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-18 11:56:32,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:56:32,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:56:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:56:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:56:32,021 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-18 11:56:32,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:32,021 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:56:32,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:56:32,021 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:56:32,021 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:56:32,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:56:32,024 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:56:36,137 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 11:56:36,490 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-18 11:56:36,650 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:36,835 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 11:56:37,140 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 11:56:37,480 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-08-18 11:56:37,646 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:37,841 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:38,209 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 11:56:38,367 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 11:56:38,698 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 11:56:39,078 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 11:56:39,442 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 11:56:39,800 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 11:56:40,143 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-18 11:56:40,311 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:40,484 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:40,661 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:40,827 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 11:56:41,147 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 11:56:41,333 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 11:56:41,513 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 11:56:41,718 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 11:56:41,902 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 11:56:42,229 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-18 11:56:42,559 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-18 11:56:42,877 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 11:56:42,881 INFO L268 CegarLoopResult]: For program point L408(lines 408 412) no Hoare annotation was computed. [2020-08-18 11:56:42,882 INFO L268 CegarLoopResult]: For program point L408-1(lines 408 412) no Hoare annotation was computed. [2020-08-18 11:56:42,882 INFO L268 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-08-18 11:56:42,882 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 377 432) no Hoare annotation was computed. [2020-08-18 11:56:42,882 INFO L268 CegarLoopResult]: For program point L402-2(lines 402 423) no Hoare annotation was computed. [2020-08-18 11:56:42,883 INFO L268 CegarLoopResult]: For program point L424(lines 401 425) no Hoare annotation was computed. [2020-08-18 11:56:42,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 377 432) no Hoare annotation was computed. [2020-08-18 11:56:42,883 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 377 432) no Hoare annotation was computed. [2020-08-18 11:56:42,883 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-18 11:56:42,883 INFO L268 CegarLoopResult]: For program point L478-1(line 478) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 433 492) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point L465(lines 465 469) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point L465-1(lines 465 469) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 433 492) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 433 492) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point L459-2(lines 459 484) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point L485(lines 458 486) no Hoare annotation was computed. [2020-08-18 11:56:42,884 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 712 718) the Hoare annotation is: true [2020-08-18 11:56:42,884 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 712 718) no Hoare annotation was computed. [2020-08-18 11:56:42,885 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 719 727) no Hoare annotation was computed. [2020-08-18 11:56:42,885 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 719 727) the Hoare annotation is: true [2020-08-18 11:56:42,885 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 719 727) no Hoare annotation was computed. [2020-08-18 11:56:42,885 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 803 825) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,885 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 803 825) no Hoare annotation was computed. [2020-08-18 11:56:42,885 INFO L264 CegarLoopResult]: At program point L815(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 11:56:42,885 INFO L264 CegarLoopResult]: At program point L815-1(line 815) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~7 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 11:56:42,886 INFO L268 CegarLoopResult]: For program point L813(lines 813 820) no Hoare annotation was computed. [2020-08-18 11:56:42,886 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 803 825) no Hoare annotation was computed. [2020-08-18 11:56:42,886 INFO L268 CegarLoopResult]: For program point L813-1(lines 813 820) no Hoare annotation was computed. [2020-08-18 11:56:42,886 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-18 11:56:42,886 INFO L264 CegarLoopResult]: At program point L810(line 810) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,886 INFO L264 CegarLoopResult]: At program point L809(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,887 INFO L264 CegarLoopResult]: At program point L809-1(line 809) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point L769(line 769) no Hoare annotation was computed. [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point L768(line 768) no Hoare annotation was computed. [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 760 783) no Hoare annotation was computed. [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point L767(line 767) no Hoare annotation was computed. [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point L766(line 766) no Hoare annotation was computed. [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-08-18 11:56:42,887 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 760 783) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 760 783) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L778(line 778) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L776(line 776) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L774(line 774) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L773(line 773) no Hoare annotation was computed. [2020-08-18 11:56:42,888 INFO L268 CegarLoopResult]: For program point L772(line 772) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point L771(line 771) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point L770(line 770) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 229 243) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point L233(lines 233 239) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 229 243) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 229 243) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 165 173) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 165 173) the Hoare annotation is: true [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 165 173) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L268 CegarLoopResult]: For program point L219(lines 219 223) no Hoare annotation was computed. [2020-08-18 11:56:42,889 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 210 228) the Hoare annotation is: true [2020-08-18 11:56:42,890 INFO L271 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: true [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L217-1(line 217) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 210 228) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 210 228) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L181(lines 181 189) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 174 209) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point L204-1(line 204) no Hoare annotation was computed. [2020-08-18 11:56:42,890 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 174 209) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 174 209) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 705 711) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 705 711) the Hoare annotation is: true [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 331 376) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 331 376) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 331 376) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 644 689) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point L664(lines 664 671) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point L658(lines 658 678) no Hoare annotation was computed. [2020-08-18 11:56:42,891 INFO L268 CegarLoopResult]: For program point L658-1(lines 658 678) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 644 689) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 644 689) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 792 802) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,892 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 792 802) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 792 802) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 154 164) the Hoare annotation is: true [2020-08-18 11:56:42,892 INFO L271 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: true [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point L159-1(line 159) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 154 164) no Hoare annotation was computed. [2020-08-18 11:56:42,892 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 154 164) no Hoare annotation was computed. [2020-08-18 11:56:42,893 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 146 153) the Hoare annotation is: true [2020-08-18 11:56:42,893 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 146 153) no Hoare annotation was computed. [2020-08-18 11:56:42,893 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 146 153) no Hoare annotation was computed. [2020-08-18 11:56:42,893 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,893 INFO L264 CegarLoopResult]: At program point L123(line 123) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,893 INFO L268 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2020-08-18 11:56:42,893 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,893 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 113 137) no Hoare annotation was computed. [2020-08-18 11:56:42,893 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-08-18 11:56:42,894 INFO L268 CegarLoopResult]: For program point L117(lines 117 134) no Hoare annotation was computed. [2020-08-18 11:56:42,894 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 113 137) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,894 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,894 INFO L268 CegarLoopResult]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2020-08-18 11:56:42,894 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2020-08-18 11:56:42,894 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2020-08-18 11:56:42,894 INFO L264 CegarLoopResult]: At program point testENTRY(lines 256 323) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,894 INFO L264 CegarLoopResult]: At program point L316(lines 265 317) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:42,894 INFO L268 CegarLoopResult]: For program point testFINAL(lines 256 323) no Hoare annotation was computed. [2020-08-18 11:56:42,894 INFO L264 CegarLoopResult]: At program point L306(line 306) 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 11:56:42,895 INFO L268 CegarLoopResult]: For program point L304(lines 304 310) no Hoare annotation was computed. [2020-08-18 11:56:42,895 INFO L264 CegarLoopResult]: At program point L304-1(lines 296 311) 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 11:56:42,895 INFO L268 CegarLoopResult]: For program point L267(lines 266 315) no Hoare annotation was computed. [2020-08-18 11:56:42,895 INFO L264 CegarLoopResult]: At program point L298(line 298) 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 11:56:42,895 INFO L268 CegarLoopResult]: For program point L296(lines 296 311) no Hoare annotation was computed. [2020-08-18 11:56:42,895 INFO L264 CegarLoopResult]: At program point L288(line 288) 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 11:56:42,895 INFO L268 CegarLoopResult]: For program point L286(lines 286 292) no Hoare annotation was computed. [2020-08-18 11:56:42,895 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 292) no Hoare annotation was computed. [2020-08-18 11:56:42,895 INFO L264 CegarLoopResult]: At program point L313(lines 266 315) 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 11:56:42,895 INFO L264 CegarLoopResult]: At program point L278(line 278) 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 11:56:42,895 INFO L268 CegarLoopResult]: For program point L276(lines 276 282) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point L276-1(lines 276 282) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point L268(lines 268 272) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point testEXIT(lines 256 323) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 598 643) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 598 643) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 598 643) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point L618(lines 618 625) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point L612(lines 612 632) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point L612-1(lines 612 632) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 956 964) no Hoare annotation was computed. [2020-08-18 11:56:42,896 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 956 964) the Hoare annotation is: true [2020-08-18 11:56:42,896 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 956 964) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point L850(lines 850 856) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point L849(lines 849 859) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 837 865) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:42,897 INFO L264 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point L847-1(line 847) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point L845(lines 845 862) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point L845-1(lines 837 865) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L264 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point L843-1(line 843) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 837 865) no Hoare annotation was computed. [2020-08-18 11:56:42,897 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 924 946) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 924 946) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 924 946) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point L932(lines 932 940) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point L932-2(lines 932 940) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 829 836) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 829 836) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 829 836) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point L545(lines 544 564) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point L576-1(line 576) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 495 597) no Hoare annotation was computed. [2020-08-18 11:56:42,898 INFO L268 CegarLoopResult]: For program point L541(lines 541 582) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L519(lines 519 523) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L583(lines 583 594) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 495 597) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L546(lines 546 550) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 564) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L565(lines 543 566) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 495 597) no Hoare annotation was computed. [2020-08-18 11:56:42,899 INFO L268 CegarLoopResult]: For program point L524(lines 524 540) no Hoare annotation was computed. [2020-08-18 11:56:42,900 INFO L268 CegarLoopResult]: For program point L584(lines 584 591) no Hoare annotation was computed. [2020-08-18 11:56:42,900 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 695 704) no Hoare annotation was computed. [2020-08-18 11:56:42,900 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 695 704) no Hoare annotation was computed. [2020-08-18 11:56:42,900 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 695 704) no Hoare annotation was computed. [2020-08-18 11:56:42,900 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 138 145) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 138 145) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 138 145) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 947 955) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 947 955) no Hoare annotation was computed. [2020-08-18 11:56:42,901 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 947 955) no Hoare annotation was computed. [2020-08-18 11:56:42,902 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 903 914) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:56:42,902 INFO L268 CegarLoopResult]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2020-08-18 11:56:42,902 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 903 914) no Hoare annotation was computed. [2020-08-18 11:56:42,902 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,902 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,902 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,902 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 915 923) the Hoare annotation is: true [2020-08-18 11:56:42,902 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 915 923) no Hoare annotation was computed. [2020-08-18 11:56:42,903 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 915 923) no Hoare annotation was computed. [2020-08-18 11:56:42,903 INFO L264 CegarLoopResult]: At program point L61(line 61) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 11:56:42,903 INFO L268 CegarLoopResult]: For program point L59(lines 58 77) no Hoare annotation was computed. [2020-08-18 11:56:42,903 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,903 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2020-08-18 11:56:42,903 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2020-08-18 11:56:42,903 INFO L264 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,904 INFO L264 CegarLoopResult]: At program point L66(lines 66 72) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,904 INFO L271 CegarLoopResult]: At program point L736(line 736) the Hoare annotation is: true [2020-08-18 11:56:42,904 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 730 759) no Hoare annotation was computed. [2020-08-18 11:56:42,904 INFO L268 CegarLoopResult]: For program point L736-1(line 736) no Hoare annotation was computed. [2020-08-18 11:56:42,904 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 730 759) the Hoare annotation is: true [2020-08-18 11:56:42,904 INFO L271 CegarLoopResult]: At program point L755(lines 730 759) the Hoare annotation is: true [2020-08-18 11:56:42,904 INFO L268 CegarLoopResult]: For program point L751(line 751) no Hoare annotation was computed. [2020-08-18 11:56:42,904 INFO L268 CegarLoopResult]: For program point L744(lines 744 748) no Hoare annotation was computed. [2020-08-18 11:56:42,905 INFO L271 CegarLoopResult]: At program point L744-1(lines 744 748) the Hoare annotation is: true [2020-08-18 11:56:42,905 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-08-18 11:56:42,905 INFO L271 CegarLoopResult]: At program point L740-2(lines 740 754) the Hoare annotation is: true [2020-08-18 11:56:42,905 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 879 890) the Hoare annotation is: true [2020-08-18 11:56:42,905 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 879 890) no Hoare annotation was computed. [2020-08-18 11:56:42,905 INFO L268 CegarLoopResult]: For program point L883-1(lines 879 890) no Hoare annotation was computed. [2020-08-18 11:56:42,905 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 784 790) no Hoare annotation was computed. [2020-08-18 11:56:42,905 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 784 790) the Hoare annotation is: true [2020-08-18 11:56:42,905 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,906 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 11:56:42,906 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:56:42,906 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:42,906 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 244 251) no Hoare annotation was computed. [2020-08-18 11:56:42,906 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 244 251) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 11:56:42,906 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 244 251) no Hoare annotation was computed. [2020-08-18 11:56:42,906 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 891 902) no Hoare annotation was computed. [2020-08-18 11:56:42,906 INFO L268 CegarLoopResult]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2020-08-18 11:56:42,907 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 891 902) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 11:56:42,907 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 867 874) no Hoare annotation was computed. [2020-08-18 11:56:42,907 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 871) no Hoare annotation was computed. [2020-08-18 11:56:42,907 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 867 874) the Hoare annotation is: true [2020-08-18 11:56:42,907 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 867 874) no Hoare annotation was computed. [2020-08-18 11:56:42,907 INFO L264 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,907 INFO L268 CegarLoopResult]: For program point L95(lines 95 103) no Hoare annotation was computed. [2020-08-18 11:56:42,908 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2020-08-18 11:56:42,908 INFO L264 CegarLoopResult]: At program point L93(line 93) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,908 INFO L268 CegarLoopResult]: For program point L93-1(line 93) no Hoare annotation was computed. [2020-08-18 11:56:42,908 INFO L268 CegarLoopResult]: For program point L91(lines 91 108) no Hoare annotation was computed. [2020-08-18 11:56:42,908 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 87 111) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,908 INFO L264 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,908 INFO L268 CegarLoopResult]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2020-08-18 11:56:42,908 INFO L264 CegarLoopResult]: At program point L101(line 101) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:42,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:56:42 BoogieIcfgContainer [2020-08-18 11:56:42,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:56:42,927 INFO L168 Benchmark]: Toolchain (without parser) took 28150.33 ms. Allocated memory was 140.0 MB in the beginning and 664.3 MB in the end (delta: 524.3 MB). Free memory was 100.6 MB in the beginning and 106.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 524.0 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:42,928 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 11:56:42,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.17 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 169.8 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:42,930 INFO L168 Benchmark]: Boogie Preprocessor took 87.97 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:42,931 INFO L168 Benchmark]: RCFGBuilder took 1115.65 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 194.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:42,932 INFO L168 Benchmark]: TraceAbstraction took 26287.08 ms. Allocated memory was 236.5 MB in the beginning and 664.3 MB in the end (delta: 427.8 MB). Free memory was 194.3 MB in the beginning and 106.9 MB in the end (delta: 87.4 MB). Peak memory consumption was 521.3 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:42,935 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 655.17 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 100.4 MB in the beginning and 169.8 MB in the end (delta: -69.4 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.97 ms. Allocated memory is still 202.9 MB. Free memory was 169.8 MB in the beginning and 165.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1115.65 ms. Allocated memory was 202.9 MB in the beginning and 236.5 MB in the end (delta: 33.6 MB). Free memory was 165.8 MB in the beginning and 194.3 MB in the end (delta: -28.5 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 26287.08 ms. Allocated memory was 236.5 MB in the beginning and 664.3 MB in the end (delta: 427.8 MB). Free memory was 194.3 MB in the beginning and 106.9 MB in the end (delta: 87.4 MB). Peak memory consumption was 521.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 871]: 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: 265]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 730]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 266]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 239 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 568 SDtfs, 1374 SDslu, 594 SDs, 0 SdLazy, 2691 SolverSat, 1110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=470occurred 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, 277 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 684 PreInvPairs, 811 NumberOfFragments, 851 HoareAnnotationTreeSize, 684 FomulaSimplifications, 327326 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 19409 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 283 ConstructedInterpolants, 0 QuantifiedInterpolants, 84043 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...