/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=DEEPEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:56:40,530 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:56:40,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:56:40,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:56:40,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:56:40,557 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:56:40,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:56:40,561 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:56:40,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:56:40,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:56:40,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:56:40,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:56:40,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:56:40,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:56:40,567 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:56:40,568 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:56:40,569 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:56:40,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:56:40,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:56:40,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:56:40,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:56:40,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:56:40,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:56:40,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:56:40,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:56:40,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:56:40,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:56:40,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:56:40,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:56:40,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:56:40,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:56:40,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:56:40,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:56:40,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:56:40,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:56:40,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:56:40,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:56:40,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:56:40,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:56:40,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:56:40,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:56:40,589 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 20:56:40,620 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:56:40,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:56:40,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:56:40,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:56:40,622 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:56:40,622 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:56:40,623 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:56:40,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:56:40,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:56:40,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:56:40,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:56:40,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:56:40,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:56:40,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:56:40,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:56:40,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:56:40,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:56:40,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:56:40,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:56:40,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:56:40,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:56:40,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:56:40,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:56:40,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:56:40,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:56:40,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:56:40,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:56:40,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:56:40,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:56:40,627 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=DEEPEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=DEEPEST; [2020-08-18 20:56:40,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:56:40,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:56:41,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:56:41,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:56:41,006 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:56:41,008 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-18 20:56:41,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca68ea06f/12ec23ba42c34039b1b2552d1a25fc77/FLAG12b9ee8ed [2020-08-18 20:56:41,647 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:56:41,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product34.cil.c [2020-08-18 20:56:41,668 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca68ea06f/12ec23ba42c34039b1b2552d1a25fc77/FLAG12b9ee8ed [2020-08-18 20:56:41,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ca68ea06f/12ec23ba42c34039b1b2552d1a25fc77 [2020-08-18 20:56:41,913 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:56:41,915 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:56:41,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:56:41,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:56:41,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:56:41,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:56:41" (1/1) ... [2020-08-18 20:56:41,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@277364e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:41, skipping insertion in model container [2020-08-18 20:56:41,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:56:41" (1/1) ... [2020-08-18 20:56:41,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:56:41,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:56:42,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:56:42,412 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:56:42,490 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:56:42,528 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:56:42,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42 WrapperNode [2020-08-18 20:56:42,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:56:42,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:56:42,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:56:42,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:56:42,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,566 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (1/1) ... [2020-08-18 20:56:42,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:56:42,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:56:42,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:56:42,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:56:42,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (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 20:56:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:56:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:56:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 20:56:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 20:56:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 20:56:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 20:56:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 20:56:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 20:56:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:56:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 20:56:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 20:56:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 20:56:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 20:56:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 20:56:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 20:56:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 20:56:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 20:56:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-18 20:56:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 20:56:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 20:56:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 20:56:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 20:56:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 20:56:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 20:56:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 20:56:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-08-18 20:56:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 20:56:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 20:56:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 20:56:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 20:56:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 20:56:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 20:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 20:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-18 20:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 20:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 20:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 20:56:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 20:56:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:56:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 20:56:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:56:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 20:56:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 20:56:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 20:56:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 20:56:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 20:56:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 20:56:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 20:56:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 20:56:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 20:56:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 20:56:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 20:56:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 20:56:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 20:56:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:56:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 20:56:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 20:56:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 20:56:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-18 20:56:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-18 20:56:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 20:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 20:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:56:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 20:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 20:56:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 20:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 20:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 20:56:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 20:56:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:56:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 20:56:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 20:56:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 20:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 20:56:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:56:43,842 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:56:43,842 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 20:56:43,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:56:43 BoogieIcfgContainer [2020-08-18 20:56:43,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:56:43,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:56:43,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:56:43,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:56:43,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:56:41" (1/3) ... [2020-08-18 20:56:43,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a43311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:56:43, skipping insertion in model container [2020-08-18 20:56:43,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:56:42" (2/3) ... [2020-08-18 20:56:43,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a43311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:56:43, skipping insertion in model container [2020-08-18 20:56:43,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:56:43" (3/3) ... [2020-08-18 20:56:43,857 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product34.cil.c [2020-08-18 20:56:43,868 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:56:43,876 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:56:43,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:56:43,917 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:56:43,917 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:56:43,917 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:56:43,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:56:43,918 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:56:43,918 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:56:43,918 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:56:43,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:56:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2020-08-18 20:56:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 20:56:43,951 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:56:43,952 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 20:56:43,953 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:56:43,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:56:43,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1636335383, now seen corresponding path program 1 times [2020-08-18 20:56:43,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:56:43,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81565182] [2020-08-18 20:56:43,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:56:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,644 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:56:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:56:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:56:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:56:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:56:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:56:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 20:56:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:56:44,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:56:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:44,752 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 20:56:44,759 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81565182] [2020-08-18 20:56:44,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:56:44,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 20:56:44,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443911769] [2020-08-18 20:56:44,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 20:56:44,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:56:44,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 20:56:44,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:56:44,788 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 3 states. [2020-08-18 20:56:45,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:56:45,863 INFO L93 Difference]: Finished difference Result 270 states and 355 transitions. [2020-08-18 20:56:45,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 20:56:45,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-08-18 20:56:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:56:45,881 INFO L225 Difference]: With dead ends: 270 [2020-08-18 20:56:45,882 INFO L226 Difference]: Without dead ends: 146 [2020-08-18 20:56:45,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 20:56:45,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-08-18 20:56:46,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-08-18 20:56:46,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-18 20:56:46,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-08-18 20:56:46,011 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-08-18 20:56:46,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:56:46,012 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-08-18 20:56:46,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 20:56:46,013 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-08-18 20:56:46,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-08-18 20:56:46,023 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:56:46,023 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] [2020-08-18 20:56:46,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:56:46,024 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:56:46,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:56:46,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1439054439, now seen corresponding path program 1 times [2020-08-18 20:56:46,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:56:46,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1323264397] [2020-08-18 20:56:46,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:56:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,373 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:56:46,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:56:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:56:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:56:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:56:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:56:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 20:56:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 20:56:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-18 20:56:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:46,422 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 20:56:46,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1323264397] [2020-08-18 20:56:46,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:56:46,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 20:56:46,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468029742] [2020-08-18 20:56:46,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 20:56:46,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:56:46,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 20:56:46,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 20:56:46,426 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 4 states. [2020-08-18 20:56:46,889 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:56:47,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:56:47,599 INFO L93 Difference]: Finished difference Result 199 states and 242 transitions. [2020-08-18 20:56:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 20:56:47,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-08-18 20:56:47,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:56:47,604 INFO L225 Difference]: With dead ends: 199 [2020-08-18 20:56:47,604 INFO L226 Difference]: Without dead ends: 130 [2020-08-18 20:56:47,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 20:56:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-18 20:56:47,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-18 20:56:47,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 20:56:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-18 20:56:47,644 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-08-18 20:56:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:56:47,644 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-18 20:56:47,644 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 20:56:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-18 20:56:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-08-18 20:56:47,646 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:56:47,647 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] [2020-08-18 20:56:47,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 20:56:47,647 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:56:47,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:56:47,648 INFO L82 PathProgramCache]: Analyzing trace with hash -580669987, now seen corresponding path program 1 times [2020-08-18 20:56:47,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:56:47,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213451788] [2020-08-18 20:56:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:56:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:47,977 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:56:47,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:56:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:56:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:56:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:56:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:56:48,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 20:56:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 20:56:48,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 20:56:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:48,088 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 20:56:48,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213451788] [2020-08-18 20:56:48,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:56:48,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:56:48,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472282331] [2020-08-18 20:56:48,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:56:48,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:56:48,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:56:48,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:56:48,094 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 8 states. [2020-08-18 20:56:48,466 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:56:48,812 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:56:49,073 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:56:49,310 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:56:50,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:56:50,391 INFO L93 Difference]: Finished difference Result 212 states and 260 transitions. [2020-08-18 20:56:50,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:56:50,392 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 58 [2020-08-18 20:56:50,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:56:50,396 INFO L225 Difference]: With dead ends: 212 [2020-08-18 20:56:50,396 INFO L226 Difference]: Without dead ends: 130 [2020-08-18 20:56:50,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:56:50,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-08-18 20:56:50,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 106. [2020-08-18 20:56:50,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-18 20:56:50,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-08-18 20:56:50,456 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-08-18 20:56:50,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:56:50,456 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-08-18 20:56:50,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:56:50,457 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-08-18 20:56:50,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-18 20:56:50,459 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:56:50,459 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 20:56:50,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 20:56:50,460 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:56:50,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:56:50,460 INFO L82 PathProgramCache]: Analyzing trace with hash 2122897594, now seen corresponding path program 1 times [2020-08-18 20:56:50,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:56:50,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [12843725] [2020-08-18 20:56:50,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:56:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,823 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:56:50,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:56:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:56:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:56:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:56:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:56:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:56:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:56:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-18 20:56:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-18 20:56:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-18 20:56:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:50,896 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 20:56:50,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [12843725] [2020-08-18 20:56:50,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:56:50,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 20:56:50,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280644643] [2020-08-18 20:56:50,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 20:56:50,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:56:50,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 20:56:50,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 20:56:50,899 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 6 states. [2020-08-18 20:56:51,260 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:56:52,486 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:56:53,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:56:53,007 INFO L93 Difference]: Finished difference Result 312 states and 384 transitions. [2020-08-18 20:56:53,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:56:53,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2020-08-18 20:56:53,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:56:53,012 INFO L225 Difference]: With dead ends: 312 [2020-08-18 20:56:53,012 INFO L226 Difference]: Without dead ends: 230 [2020-08-18 20:56:53,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-18 20:56:53,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-08-18 20:56:53,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 187. [2020-08-18 20:56:53,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-18 20:56:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 214 transitions. [2020-08-18 20:56:53,064 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 214 transitions. Word has length 66 [2020-08-18 20:56:53,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:56:53,064 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 214 transitions. [2020-08-18 20:56:53,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 20:56:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 214 transitions. [2020-08-18 20:56:53,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-08-18 20:56:53,066 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:56:53,066 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:56:53,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 20:56:53,066 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:56:53,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:56:53,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1628331355, now seen corresponding path program 1 times [2020-08-18 20:56:53,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:56:53,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [749780432] [2020-08-18 20:56:53,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:56:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,340 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:56:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:56:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:56:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:56:53,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:56:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:56:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 20:56:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:56:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:56:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 20:56:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-18 20:56:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-18 20:56:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-18 20:56:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:53,469 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 20:56:53,470 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [749780432] [2020-08-18 20:56:53,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:56:53,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:56:53,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252657437] [2020-08-18 20:56:53,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:56:53,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:56:53,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:56:53,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:56:53,472 INFO L87 Difference]: Start difference. First operand 187 states and 214 transitions. Second operand 8 states. [2020-08-18 20:56:53,898 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:56:55,146 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:56:55,432 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:56:55,688 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:56:55,915 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:56:56,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:56:56,523 INFO L93 Difference]: Finished difference Result 513 states and 644 transitions. [2020-08-18 20:56:56,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 20:56:56,524 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-08-18 20:56:56,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:56:56,529 INFO L225 Difference]: With dead ends: 513 [2020-08-18 20:56:56,529 INFO L226 Difference]: Without dead ends: 350 [2020-08-18 20:56:56,530 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-18 20:56:56,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-08-18 20:56:56,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 307. [2020-08-18 20:56:56,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2020-08-18 20:56:56,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 357 transitions. [2020-08-18 20:56:56,609 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 357 transitions. Word has length 80 [2020-08-18 20:56:56,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:56:56,610 INFO L479 AbstractCegarLoop]: Abstraction has 307 states and 357 transitions. [2020-08-18 20:56:56,610 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:56:56,610 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 357 transitions. [2020-08-18 20:56:56,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 20:56:56,613 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:56:56,613 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:56:56,613 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 20:56:56,613 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:56:56,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:56:56,614 INFO L82 PathProgramCache]: Analyzing trace with hash 452882261, now seen corresponding path program 1 times [2020-08-18 20:56:56,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:56:56,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2108773971] [2020-08-18 20:56:56,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:56:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:56,948 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:56:56,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:56:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:56,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:56:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:56:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:56,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:56:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:56,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:56:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:56,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:56:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:56:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:56:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:56:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 20:56:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 20:56:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 20:56:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 20:56:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:56:57,062 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 20:56:57,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2108773971] [2020-08-18 20:56:57,063 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:56:57,063 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 20:56:57,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933362854] [2020-08-18 20:56:57,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 20:56:57,064 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:56:57,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 20:56:57,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-08-18 20:56:57,065 INFO L87 Difference]: Start difference. First operand 307 states and 357 transitions. Second operand 9 states. [2020-08-18 20:56:57,550 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:56:58,073 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:56:59,506 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:00,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:00,810 INFO L93 Difference]: Finished difference Result 759 states and 975 transitions. [2020-08-18 20:57:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 20:57:00,811 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-08-18 20:57:00,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:00,818 INFO L225 Difference]: With dead ends: 759 [2020-08-18 20:57:00,818 INFO L226 Difference]: Without dead ends: 585 [2020-08-18 20:57:00,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2020-08-18 20:57:00,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-08-18 20:57:00,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 514. [2020-08-18 20:57:00,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-18 20:57:00,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 618 transitions. [2020-08-18 20:57:00,922 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 618 transitions. Word has length 84 [2020-08-18 20:57:00,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:00,923 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 618 transitions. [2020-08-18 20:57:00,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 20:57:00,923 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 618 transitions. [2020-08-18 20:57:00,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 20:57:00,924 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:00,925 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:00,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 20:57:00,925 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:00,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:00,926 INFO L82 PathProgramCache]: Analyzing trace with hash 782648022, now seen corresponding path program 1 times [2020-08-18 20:57:00,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:00,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388327604] [2020-08-18 20:57:00,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,175 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:01,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:01,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:57:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:57:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:57:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 20:57:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 20:57:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 20:57:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 20:57:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:01,277 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 20:57:01,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388327604] [2020-08-18 20:57:01,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:01,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:57:01,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59621964] [2020-08-18 20:57:01,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:57:01,280 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:01,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:57:01,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:57:01,282 INFO L87 Difference]: Start difference. First operand 514 states and 618 transitions. Second operand 8 states. [2020-08-18 20:57:02,140 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:02,354 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:02,585 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:03,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:03,460 INFO L93 Difference]: Finished difference Result 936 states and 1169 transitions. [2020-08-18 20:57:03,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 20:57:03,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-08-18 20:57:03,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:03,466 INFO L225 Difference]: With dead ends: 936 [2020-08-18 20:57:03,466 INFO L226 Difference]: Without dead ends: 559 [2020-08-18 20:57:03,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:57:03,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2020-08-18 20:57:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 514. [2020-08-18 20:57:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-08-18 20:57:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 617 transitions. [2020-08-18 20:57:03,589 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 617 transitions. Word has length 84 [2020-08-18 20:57:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:03,589 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 617 transitions. [2020-08-18 20:57:03,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:57:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 617 transitions. [2020-08-18 20:57:03,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-08-18 20:57:03,591 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:03,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:03,591 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 20:57:03,591 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:03,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:03,592 INFO L82 PathProgramCache]: Analyzing trace with hash 710261464, now seen corresponding path program 1 times [2020-08-18 20:57:03,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:03,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924813029] [2020-08-18 20:57:03,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,842 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:03,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:57:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:57:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:57:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 20:57:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-18 20:57:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-08-18 20:57:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-18 20:57:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:03,984 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 20:57:03,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924813029] [2020-08-18 20:57:03,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:03,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 20:57:03,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832201975] [2020-08-18 20:57:03,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 20:57:03,989 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:03,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 20:57:03,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:57:03,990 INFO L87 Difference]: Start difference. First operand 514 states and 617 transitions. Second operand 12 states. [2020-08-18 20:57:04,581 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:04,813 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:05,037 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:05,708 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:05,966 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 20:57:06,229 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:06,471 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:07,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:07,424 INFO L93 Difference]: Finished difference Result 1017 states and 1263 transitions. [2020-08-18 20:57:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-18 20:57:07,424 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 84 [2020-08-18 20:57:07,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:07,428 INFO L225 Difference]: With dead ends: 1017 [2020-08-18 20:57:07,429 INFO L226 Difference]: Without dead ends: 527 [2020-08-18 20:57:07,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=84, Invalid=336, Unknown=0, NotChecked=0, Total=420 [2020-08-18 20:57:07,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2020-08-18 20:57:07,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 487. [2020-08-18 20:57:07,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2020-08-18 20:57:07,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 582 transitions. [2020-08-18 20:57:07,566 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 582 transitions. Word has length 84 [2020-08-18 20:57:07,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:07,567 INFO L479 AbstractCegarLoop]: Abstraction has 487 states and 582 transitions. [2020-08-18 20:57:07,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 20:57:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 582 transitions. [2020-08-18 20:57:07,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-08-18 20:57:07,570 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:57:07,570 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:57:07,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 20:57:07,570 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:57:07,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:57:07,571 INFO L82 PathProgramCache]: Analyzing trace with hash 851492262, now seen corresponding path program 1 times [2020-08-18 20:57:07,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:57:07,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804221360] [2020-08-18 20:57:07,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:57:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:07,925 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:07,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:57:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 20:57:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:07,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 20:57:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:07,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 20:57:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:07,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 20:57:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:07,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 20:57:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 20:57:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 20:57:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 20:57:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 20:57:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-08-18 20:57:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-08-18 20:57:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 20:57:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:57:08,086 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 20:57:08,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804221360] [2020-08-18 20:57:08,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:57:08,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-18 20:57:08,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941562175] [2020-08-18 20:57:08,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 20:57:08,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:57:08,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 20:57:08,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-08-18 20:57:08,090 INFO L87 Difference]: Start difference. First operand 487 states and 582 transitions. Second operand 13 states. [2020-08-18 20:57:08,716 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:08,946 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:09,171 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 20:57:10,085 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 20:57:10,772 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 20:57:11,111 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:11,419 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 20:57:12,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:57:12,027 INFO L93 Difference]: Finished difference Result 837 states and 1009 transitions. [2020-08-18 20:57:12,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-18 20:57:12,029 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 85 [2020-08-18 20:57:12,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:57:12,030 INFO L225 Difference]: With dead ends: 837 [2020-08-18 20:57:12,030 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:57:12,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=431, Unknown=0, NotChecked=0, Total=552 [2020-08-18 20:57:12,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:57:12,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:57:12,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:57:12,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:57:12,037 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2020-08-18 20:57:12,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:57:12,037 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:57:12,037 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 20:57:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:57:12,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:57:12,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 20:57:12,041 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:57:13,271 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 20:57:14,526 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 20:57:15,336 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 223 [2020-08-18 20:57:15,666 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-18 20:57:15,788 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 210 [2020-08-18 20:57:16,399 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 22 [2020-08-18 20:57:16,559 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:57:16,721 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 20:57:16,880 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:57:17,035 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 1 [2020-08-18 20:57:17,651 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-08-18 20:57:17,805 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 20:57:18,094 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 20:57:18,427 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 20:57:18,624 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-08-18 20:57:19,062 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 25 [2020-08-18 20:57:19,707 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 20:57:19,871 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:57:20,062 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 20:57:20,221 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:57:20,375 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:57:21,007 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 25 [2020-08-18 20:57:21,195 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 20:57:21,384 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 22 [2020-08-18 20:57:22,020 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 23 [2020-08-18 20:57:22,186 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:57:22,674 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 19 [2020-08-18 20:57:22,973 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 20:57:23,457 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 18 [2020-08-18 20:57:23,956 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 11 [2020-08-18 20:57:24,113 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:57:24,424 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 31 [2020-08-18 20:57:24,585 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:57:24,748 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:57:25,230 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-18 20:57:25,399 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 20:57:25,558 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 20:57:25,841 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 27 [2020-08-18 20:57:26,003 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 20:57:26,205 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-18 20:57:26,378 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2020-08-18 20:57:26,737 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-18 20:57:26,969 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-18 20:57:27,196 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2020-08-18 20:57:27,201 INFO L268 CegarLoopResult]: For program point L479(lines 456 480) no Hoare annotation was computed. [2020-08-18 20:57:27,201 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 432 487) no Hoare annotation was computed. [2020-08-18 20:57:27,201 INFO L268 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2020-08-18 20:57:27,201 INFO L268 CegarLoopResult]: For program point L463-1(lines 463 467) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point L457-2(lines 457 478) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 432 487) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 432 487) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point L514-2(lines 514 539) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point L540(lines 513 541) no Hoare annotation was computed. [2020-08-18 20:57:27,202 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 488 547) no Hoare annotation was computed. [2020-08-18 20:57:27,203 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 20:57:27,203 INFO L268 CegarLoopResult]: For program point L533-1(line 533) no Hoare annotation was computed. [2020-08-18 20:57:27,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 488 547) no Hoare annotation was computed. [2020-08-18 20:57:27,203 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 488 547) no Hoare annotation was computed. [2020-08-18 20:57:27,203 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-08-18 20:57:27,204 INFO L268 CegarLoopResult]: For program point L520-1(lines 520 524) no Hoare annotation was computed. [2020-08-18 20:57:27,204 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 20:57:27,204 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 903 909) the Hoare annotation is: true [2020-08-18 20:57:27,204 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 903 909) no Hoare annotation was computed. [2020-08-18 20:57:27,204 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 910 918) no Hoare annotation was computed. [2020-08-18 20:57:27,204 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 910 918) the Hoare annotation is: true [2020-08-18 20:57:27,205 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 910 918) no Hoare annotation was computed. [2020-08-18 20:57:27,205 INFO L264 CegarLoopResult]: At program point L194-1(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:27,205 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 188 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:27,205 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 188 210) no Hoare annotation was computed. [2020-08-18 20:57:27,205 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 188 210) no Hoare annotation was computed. [2020-08-18 20:57:27,206 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:57:27,206 INFO L264 CegarLoopResult]: At program point L200-1(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:57:27,206 INFO L268 CegarLoopResult]: For program point L198(lines 198 205) no Hoare annotation was computed. [2020-08-18 20:57:27,206 INFO L268 CegarLoopResult]: For program point L198-1(lines 198 205) no Hoare annotation was computed. [2020-08-18 20:57:27,206 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-18 20:57:27,209 INFO L264 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:27,209 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:27,209 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-08-18 20:57:27,209 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 144 167) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 144 167) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 144 167) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-18 20:57:27,210 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 307 315) no Hoare annotation was computed. [2020-08-18 20:57:27,211 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 307 315) the Hoare annotation is: true [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 307 315) no Hoare annotation was computed. [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point L323-2(lines 323 331) no Hoare annotation was computed. [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point L346(line 346) no Hoare annotation was computed. [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 316 351) no Hoare annotation was computed. [2020-08-18 20:57:27,212 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-18 20:57:27,213 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 316 351) no Hoare annotation was computed. [2020-08-18 20:57:27,213 INFO L268 CegarLoopResult]: For program point L323(lines 323 331) no Hoare annotation was computed. [2020-08-18 20:57:27,213 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 316 351) no Hoare annotation was computed. [2020-08-18 20:57:27,213 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 896 902) no Hoare annotation was computed. [2020-08-18 20:57:27,213 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 896 902) the Hoare annotation is: true [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 386 431) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 386 431) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 386 431) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 699 744) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point L719(lines 719 726) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 699 744) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point L713(lines 713 733) no Hoare annotation was computed. [2020-08-18 20:57:27,214 INFO L268 CegarLoopResult]: For program point L713-1(lines 713 733) no Hoare annotation was computed. [2020-08-18 20:57:27,215 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 699 744) no Hoare annotation was computed. [2020-08-18 20:57:27,215 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 175 184) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:27,215 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 175 184) no Hoare annotation was computed. [2020-08-18 20:57:27,215 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 175 184) no Hoare annotation was computed. [2020-08-18 20:57:27,215 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 296 306) no Hoare annotation was computed. [2020-08-18 20:57:27,215 INFO L268 CegarLoopResult]: For program point L301(line 301) no Hoare annotation was computed. [2020-08-18 20:57:27,215 INFO L268 CegarLoopResult]: For program point L301-1(line 301) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 296 306) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 296 306) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 288 295) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 288 295) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 288 295) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point L874(lines 874 880) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2020-08-18 20:57:27,216 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2020-08-18 20:57:27,217 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2020-08-18 20:57:27,217 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2020-08-18 20:57:27,217 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-08-18 20:57:27,217 INFO L264 CegarLoopResult]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 20:57:27,217 INFO L268 CegarLoopResult]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2020-08-18 20:57:27,217 INFO L264 CegarLoopResult]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0))) [2020-08-18 20:57:27,218 INFO L264 CegarLoopResult]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (and .cse0 (<= 1 processEnvironment_~tmp~2)) .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:57:27,218 INFO L268 CegarLoopResult]: For program point L263(lines 263 271) no Hoare annotation was computed. [2020-08-18 20:57:27,218 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2020-08-18 20:57:27,218 INFO L268 CegarLoopResult]: For program point L261-1(line 261) no Hoare annotation was computed. [2020-08-18 20:57:27,218 INFO L268 CegarLoopResult]: For program point L259(lines 259 276) no Hoare annotation was computed. [2020-08-18 20:57:27,218 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2020-08-18 20:57:27,218 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2020-08-18 20:57:27,219 INFO L264 CegarLoopResult]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 20:57:27,219 INFO L268 CegarLoopResult]: For program point L93(lines 93 97) no Hoare annotation was computed. [2020-08-18 20:57:27,219 INFO L264 CegarLoopResult]: At program point L93-2(lines 85 98) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 20:57:27,219 INFO L268 CegarLoopResult]: For program point L56(lines 55 102) no Hoare annotation was computed. [2020-08-18 20:57:27,219 INFO L264 CegarLoopResult]: At program point L87(line 87) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 20:57:27,219 INFO L268 CegarLoopResult]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2020-08-18 20:57:27,220 INFO L268 CegarLoopResult]: For program point L85(lines 85 98) no Hoare annotation was computed. [2020-08-18 20:57:27,220 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 20:57:27,220 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-18 20:57:27,220 INFO L268 CegarLoopResult]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2020-08-18 20:57:27,220 INFO L264 CegarLoopResult]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 20:57:27,220 INFO L264 CegarLoopResult]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse0 (= ~pumpRunning~0 0) .cse1) (not (= |old(~pumpRunning~0)| 0)))) [2020-08-18 20:57:27,221 INFO L268 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-08-18 20:57:27,221 INFO L268 CegarLoopResult]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L264 CegarLoopResult]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point L673(lines 673 680) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point L667(lines 667 687) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 687) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 653 698) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 653 698) no Hoare annotation was computed. [2020-08-18 20:57:27,222 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 653 698) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point L846(lines 846 854) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 854) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 838 860) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 838 860) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 838 860) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 550 652) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point L574(lines 574 578) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point L638(lines 638 649) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point L601(lines 601 605) no Hoare annotation was computed. [2020-08-18 20:57:27,223 INFO L268 CegarLoopResult]: For program point L599-2(lines 599 619) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L620(lines 598 621) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 550 652) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L579(lines 579 595) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L639(lines 639 646) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L600(lines 599 619) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L631-1(line 631) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point L596(lines 596 637) no Hoare annotation was computed. [2020-08-18 20:57:27,224 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 550 652) no Hoare annotation was computed. [2020-08-18 20:57:27,225 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-18 20:57:27,225 INFO L268 CegarLoopResult]: For program point L615-1(line 615) no Hoare annotation was computed. [2020-08-18 20:57:27,225 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 886 895) no Hoare annotation was computed. [2020-08-18 20:57:27,225 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 886 895) no Hoare annotation was computed. [2020-08-18 20:57:27,225 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 886 895) no Hoare annotation was computed. [2020-08-18 20:57:27,225 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,226 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string69.base| |old(#t~string69.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~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.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~string63.base| |old(#t~string63.base)|) (= |#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~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.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)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.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~string46.offset| |old(#t~string46.offset)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 20:57:27,226 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,226 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2020-08-18 20:57:27,226 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2020-08-18 20:57:27,226 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 280 287) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-18 20:57:27,226 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 352 370) no Hoare annotation was computed. [2020-08-18 20:57:27,226 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-08-18 20:57:27,226 INFO L271 CegarLoopResult]: At program point L359(line 359) the Hoare annotation is: true [2020-08-18 20:57:27,227 INFO L268 CegarLoopResult]: For program point L361-2(lines 361 365) no Hoare annotation was computed. [2020-08-18 20:57:27,227 INFO L268 CegarLoopResult]: For program point L359-1(line 359) no Hoare annotation was computed. [2020-08-18 20:57:27,227 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 352 370) the Hoare annotation is: true [2020-08-18 20:57:27,227 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 352 370) no Hoare annotation was computed. [2020-08-18 20:57:27,227 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2020-08-18 20:57:27,227 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2020-08-18 20:57:27,227 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2020-08-18 20:57:27,227 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (<= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-18 20:57:27,228 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2020-08-18 20:57:27,228 INFO L268 CegarLoopResult]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2020-08-18 20:57:27,228 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,228 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,228 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,229 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-18 20:57:27,230 INFO L264 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse3 .cse4 .cse1) (or (<= ~waterLevel~0 1) .cse3 (not (<= |old(~waterLevel~0)| 1)) .cse1) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2)))) [2020-08-18 20:57:27,230 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2020-08-18 20:57:27,230 INFO L264 CegarLoopResult]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (and (<= 1 ~pumpRunning~0) .cse0)) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3) (or (<= ~waterLevel~0 1) .cse5 (not (<= |old(~waterLevel~0)| 1)) .cse3) (or (not (<= 2 |old(~waterLevel~0)|)) .cse2 .cse3 .cse4)))) [2020-08-18 20:57:27,230 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2020-08-18 20:57:27,230 INFO L264 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 20:57:27,230 INFO L268 CegarLoopResult]: For program point L227(lines 226 245) no Hoare annotation was computed. [2020-08-18 20:57:27,231 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 113 142) no Hoare annotation was computed. [2020-08-18 20:57:27,232 INFO L268 CegarLoopResult]: For program point L127(lines 127 131) no Hoare annotation was computed. [2020-08-18 20:57:27,232 INFO L271 CegarLoopResult]: At program point L127-1(lines 127 131) the Hoare annotation is: true [2020-08-18 20:57:27,232 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 113 142) the Hoare annotation is: true [2020-08-18 20:57:27,232 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-18 20:57:27,232 INFO L271 CegarLoopResult]: At program point L123-2(lines 123 137) the Hoare annotation is: true [2020-08-18 20:57:27,233 INFO L271 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: true [2020-08-18 20:57:27,233 INFO L268 CegarLoopResult]: For program point L119-1(line 119) no Hoare annotation was computed. [2020-08-18 20:57:27,233 INFO L271 CegarLoopResult]: At program point L138(lines 113 142) the Hoare annotation is: true [2020-08-18 20:57:27,233 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-18 20:57:27,233 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2020-08-18 20:57:27,233 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2020-08-18 20:57:27,233 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2020-08-18 20:57:27,233 INFO L268 CegarLoopResult]: For program point L767(lines 767 773) no Hoare annotation was computed. [2020-08-18 20:57:27,233 INFO L264 CegarLoopResult]: At program point L765(line 765) the Hoare annotation is: (let ((.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-18 20:57:27,234 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification3_spec__1EXIT(lines 748 780) no Hoare annotation was computed. [2020-08-18 20:57:27,234 INFO L268 CegarLoopResult]: For program point L765-1(line 765) no Hoare annotation was computed. [2020-08-18 20:57:27,234 INFO L268 CegarLoopResult]: For program point L763(lines 763 776) no Hoare annotation was computed. [2020-08-18 20:57:27,234 INFO L268 CegarLoopResult]: For program point L763-1(lines 748 780) no Hoare annotation was computed. [2020-08-18 20:57:27,234 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 748 780) the Hoare annotation is: true [2020-08-18 20:57:27,234 INFO L271 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: true [2020-08-18 20:57:27,234 INFO L268 CegarLoopResult]: For program point L761-1(line 761) no Hoare annotation was computed. [2020-08-18 20:57:27,234 INFO L268 CegarLoopResult]: For program point L757(lines 757 777) no Hoare annotation was computed. [2020-08-18 20:57:27,234 INFO L271 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: true [2020-08-18 20:57:27,235 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-08-18 20:57:27,236 INFO L264 CegarLoopResult]: At program point L771(line 771) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) .cse0))) [2020-08-18 20:57:27,236 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0))) [2020-08-18 20:57:27,236 INFO L268 CegarLoopResult]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2020-08-18 20:57:27,237 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2020-08-18 20:57:27,237 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 168 174) no Hoare annotation was computed. [2020-08-18 20:57:27,237 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 168 174) the Hoare annotation is: true [2020-08-18 20:57:27,237 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,237 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 20:57:27,239 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:57:27,239 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:57:27,239 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 371 378) no Hoare annotation was computed. [2020-08-18 20:57:27,239 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 371 378) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse2 (= 1 ~systemActive~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or .cse0 (not (<= 1 ~pumpRunning~0)) .cse2))) [2020-08-18 20:57:27,239 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 371 378) no Hoare annotation was computed. [2020-08-18 20:57:27,239 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2020-08-18 20:57:27,239 INFO L268 CegarLoopResult]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2020-08-18 20:57:27,240 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 (not (= ~pumpRunning~0 0)) .cse1))) [2020-08-18 20:57:27,240 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 782 789) no Hoare annotation was computed. [2020-08-18 20:57:27,240 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 786) no Hoare annotation was computed. [2020-08-18 20:57:27,240 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 782 789) the Hoare annotation is: true [2020-08-18 20:57:27,240 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 782 789) no Hoare annotation was computed. [2020-08-18 20:57:27,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:57:27 BoogieIcfgContainer [2020-08-18 20:57:27,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:57:27,280 INFO L168 Benchmark]: Toolchain (without parser) took 45364.09 ms. Allocated memory was 138.4 MB in the beginning and 749.7 MB in the end (delta: 611.3 MB). Free memory was 101.1 MB in the beginning and 173.7 MB in the end (delta: -72.6 MB). Peak memory consumption was 633.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:27,282 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 20:57:27,287 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.65 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 169.1 MB in the end (delta: -68.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:27,288 INFO L168 Benchmark]: Boogie Preprocessor took 107.30 ms. Allocated memory is still 200.8 MB. Free memory was 169.1 MB in the beginning and 165.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:27,291 INFO L168 Benchmark]: RCFGBuilder took 1210.40 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 164.7 MB in the beginning and 196.7 MB in the end (delta: -32.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:27,291 INFO L168 Benchmark]: TraceAbstraction took 43427.61 ms. Allocated memory was 231.7 MB in the beginning and 749.7 MB in the end (delta: 518.0 MB). Free memory was 196.7 MB in the beginning and 173.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 635.6 MB. Max. memory is 7.1 GB. [2020-08-18 20:57:27,297 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 613.65 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.9 MB in the beginning and 169.1 MB in the end (delta: -68.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 107.30 ms. Allocated memory is still 200.8 MB. Free memory was 169.1 MB in the beginning and 165.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1210.40 ms. Allocated memory was 200.8 MB in the beginning and 231.7 MB in the end (delta: 30.9 MB). Free memory was 164.7 MB in the beginning and 196.7 MB in the end (delta: -32.0 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 43427.61 ms. Allocated memory was 231.7 MB in the beginning and 749.7 MB in the end (delta: 518.0 MB). Free memory was 196.7 MB in the beginning and 173.7 MB in the end (delta: 23.0 MB). Peak memory consumption was 635.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 786]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || ((1 <= pumpRunning && 1 == systemActive) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || (((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 222 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.1s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 23.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 15.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1006 SDtfs, 1729 SDslu, 1152 SDs, 0 SdLazy, 5478 SolverSat, 1129 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 328 GetRequests, 221 SyntacticMatches, 1 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 9.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=514occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 321 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 902 PreInvPairs, 960 NumberOfFragments, 1331 HoareAnnotationTreeSize, 902 FomulaSimplifications, 1756440 FormulaSimplificationTreeSizeReduction, 3.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 63403 FormulaSimplificationTreeSizeReductionInter, 11.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 646 NumberOfCodeBlocks, 646 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 192831 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...