/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-89f541c [2020-08-27 21:40:49,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-27 21:40:49,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-27 21:40:49,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-27 21:40:49,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-27 21:40:49,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-27 21:40:49,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-27 21:40:49,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-27 21:40:49,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-27 21:40:49,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-27 21:40:49,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-27 21:40:49,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-27 21:40:49,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-27 21:40:49,664 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-27 21:40:49,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-27 21:40:49,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-27 21:40:49,670 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-27 21:40:49,671 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-27 21:40:49,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-27 21:40:49,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-27 21:40:49,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-27 21:40:49,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-27 21:40:49,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-27 21:40:49,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-27 21:40:49,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-27 21:40:49,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-27 21:40:49,702 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-27 21:40:49,703 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-27 21:40:49,703 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-27 21:40:49,704 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-27 21:40:49,704 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-27 21:40:49,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-27 21:40:49,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-27 21:40:49,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-27 21:40:49,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-27 21:40:49,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-27 21:40:49,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-27 21:40:49,714 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-27 21:40:49,714 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-27 21:40:49,715 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-27 21:40:49,716 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-27 21:40:49,717 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 [2020-08-27 21:40:49,758 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-27 21:40:49,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-27 21:40:49,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-27 21:40:49,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-27 21:40:49,761 INFO L138 SettingsManager]: * Use SBE=true [2020-08-27 21:40:49,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-27 21:40:49,762 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-27 21:40:49,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-27 21:40:49,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-27 21:40:49,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-27 21:40:49,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-27 21:40:49,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-27 21:40:49,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-27 21:40:49,764 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-27 21:40:49,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-27 21:40:49,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-27 21:40:49,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-27 21:40:49,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-27 21:40:49,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-27 21:40:49,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-27 21:40:49,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-27 21:40:49,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-27 21:40:49,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-27 21:40:49,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-27 21:40:49,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-27 21:40:49,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-27 21:40:49,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-27 21:40:49,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-27 21:40:49,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-27 21:40:49,768 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 -> false [2020-08-27 21:40:50,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-27 21:40:50,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-27 21:40:50,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-27 21:40:50,233 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-27 21:40:50,234 INFO L275 PluginConnector]: CDTParser initialized [2020-08-27 21:40:50,235 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-08-27 21:40:50,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e81fa801c/34486aa7500e4b31bc6555bd4aa5feeb/FLAG7c5ebf597 [2020-08-27 21:40:50,957 INFO L306 CDTParser]: Found 1 translation units. [2020-08-27 21:40:50,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2020-08-27 21:40:50,988 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e81fa801c/34486aa7500e4b31bc6555bd4aa5feeb/FLAG7c5ebf597 [2020-08-27 21:40:51,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e81fa801c/34486aa7500e4b31bc6555bd4aa5feeb [2020-08-27 21:40:51,179 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-27 21:40:51,180 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-27 21:40:51,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-27 21:40:51,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-27 21:40:51,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-27 21:40:51,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa7080 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51, skipping insertion in model container [2020-08-27 21:40:51,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,200 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-27 21:40:51,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-27 21:40:51,720 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:40:51,734 INFO L203 MainTranslator]: Completed pre-run [2020-08-27 21:40:51,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-27 21:40:51,864 INFO L208 MainTranslator]: Completed translation [2020-08-27 21:40:51,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51 WrapperNode [2020-08-27 21:40:51,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-27 21:40:51,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-27 21:40:51,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-27 21:40:51,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-27 21:40:51,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (1/1) ... [2020-08-27 21:40:51,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-27 21:40:51,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-27 21:40:51,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-27 21:40:51,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-27 21:40:51,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (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 [2020-08-27 21:40:52,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-27 21:40:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-27 21:40:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-27 21:40:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-27 21:40:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-27 21:40:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-27 21:40:52,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-27 21:40:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-27 21:40:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-27 21:40:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-27 21:40:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-27 21:40:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-27 21:40:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-27 21:40:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-27 21:40:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-27 21:40:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-27 21:40:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-27 21:40:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-27 21:40:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-27 21:40:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-27 21:40:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-27 21:40:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-27 21:40:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-27 21:40:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-27 21:40:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-27 21:40:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-27 21:40:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-27 21:40:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-27 21:40:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-27 21:40:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-27 21:40:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-27 21:40:52,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-27 21:40:52,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-27 21:40:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-27 21:40:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-27 21:40:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-27 21:40:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-27 21:40:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-27 21:40:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-27 21:40:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-27 21:40:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-27 21:40:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-27 21:40:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-27 21:40:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-27 21:40:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-27 21:40:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-27 21:40:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-27 21:40:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-27 21:40:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-27 21:40:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-27 21:40:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-27 21:40:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-27 21:40:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-27 21:40:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-27 21:40:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-27 21:40:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-27 21:40:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-27 21:40:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-27 21:40:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-27 21:40:52,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-27 21:40:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-27 21:40:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-27 21:40:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-27 21:40:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-27 21:40:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-27 21:40:52,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-27 21:40:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-27 21:40:52,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-27 21:40:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-27 21:40:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-27 21:40:52,082 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-27 21:40:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-27 21:40:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-27 21:40:52,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-27 21:40:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-27 21:40:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-27 21:40:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-27 21:40:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-27 21:40:52,084 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-27 21:40:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-27 21:40:52,085 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-27 21:40:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-27 21:40:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-27 21:40:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-27 21:40:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-27 21:40:52,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-27 21:40:53,090 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-27 21:40:53,091 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-27 21:40:53,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:40:53 BoogieIcfgContainer [2020-08-27 21:40:53,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-27 21:40:53,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-27 21:40:53,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-27 21:40:53,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-27 21:40:53,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 09:40:51" (1/3) ... [2020-08-27 21:40:53,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b21824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:40:53, skipping insertion in model container [2020-08-27 21:40:53,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 09:40:51" (2/3) ... [2020-08-27 21:40:53,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43b21824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 09:40:53, skipping insertion in model container [2020-08-27 21:40:53,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 09:40:53" (3/3) ... [2020-08-27 21:40:53,107 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2020-08-27 21:40:53,118 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-27 21:40:53,128 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-27 21:40:53,150 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-27 21:40:53,181 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-27 21:40:53,182 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-27 21:40:53,182 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-27 21:40:53,182 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-27 21:40:53,182 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-27 21:40:53,182 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-27 21:40:53,182 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-27 21:40:53,183 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-27 21:40:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-27 21:40:53,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-27 21:40:53,220 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:40:53,221 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:40:53,221 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:40:53,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:40:53,229 INFO L82 PathProgramCache]: Analyzing trace with hash 384818270, now seen corresponding path program 1 times [2020-08-27 21:40:53,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:40:53,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802947718] [2020-08-27 21:40:53,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:40:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,902 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:40:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:40:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:40:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:40:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-27 21:40:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-27 21:40:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-27 21:40:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-27 21:40:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:53,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:40:53,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802947718] [2020-08-27 21:40:54,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:40:54,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-27 21:40:54,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143670301] [2020-08-27 21:40:54,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-27 21:40:54,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:40:54,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-27 21:40:54,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-27 21:40:54,031 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 3 states. [2020-08-27 21:40:55,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:40:55,131 INFO L93 Difference]: Finished difference Result 285 states and 374 transitions. [2020-08-27 21:40:55,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-27 21:40:55,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-27 21:40:55,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:40:55,160 INFO L225 Difference]: With dead ends: 285 [2020-08-27 21:40:55,161 INFO L226 Difference]: Without dead ends: 154 [2020-08-27 21:40:55,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-27 21:40:55,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-27 21:40:55,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 122. [2020-08-27 21:40:55,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-08-27 21:40:55,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2020-08-27 21:40:55,309 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2020-08-27 21:40:55,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:40:55,310 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2020-08-27 21:40:55,310 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-27 21:40:55,310 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2020-08-27 21:40:55,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-27 21:40:55,314 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:40:55,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:40:55,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-27 21:40:55,314 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:40:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:40:55,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1404738686, now seen corresponding path program 1 times [2020-08-27 21:40:55,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:40:55,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410459645] [2020-08-27 21:40:55,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:40:55,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,718 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:40:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:40:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:40:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:40:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-27 21:40:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-27 21:40:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-27 21:40:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-27 21:40:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:40:55,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1410459645] [2020-08-27 21:40:55,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:40:55,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-27 21:40:55,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840514039] [2020-08-27 21:40:55,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-27 21:40:55,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:40:55,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-27 21:40:55,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-27 21:40:55,777 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 4 states. [2020-08-27 21:40:56,217 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-27 21:40:57,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:40:57,069 INFO L93 Difference]: Finished difference Result 218 states and 265 transitions. [2020-08-27 21:40:57,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-27 21:40:57,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-27 21:40:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:40:57,072 INFO L225 Difference]: With dead ends: 218 [2020-08-27 21:40:57,073 INFO L226 Difference]: Without dead ends: 138 [2020-08-27 21:40:57,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-27 21:40:57,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-27 21:40:57,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-08-27 21:40:57,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-27 21:40:57,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2020-08-27 21:40:57,107 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2020-08-27 21:40:57,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:40:57,108 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2020-08-27 21:40:57,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-27 21:40:57,108 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2020-08-27 21:40:57,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-27 21:40:57,110 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:40:57,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:40:57,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-27 21:40:57,111 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:40:57,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:40:57,111 INFO L82 PathProgramCache]: Analyzing trace with hash -166841959, now seen corresponding path program 1 times [2020-08-27 21:40:57,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:40:57,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [747001946] [2020-08-27 21:40:57,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:40:57,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,528 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:40:57,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:40:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:40:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:40:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-27 21:40:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-27 21:40:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-27 21:40:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-27 21:40:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:40:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:40:57,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [747001946] [2020-08-27 21:40:57,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:40:57,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-27 21:40:57,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396518152] [2020-08-27 21:40:57,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-27 21:40:57,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:40:57,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-27 21:40:57,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-27 21:40:57,646 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 8 states. [2020-08-27 21:40:58,037 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-27 21:40:58,395 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:40:58,709 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:40:59,001 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:41:00,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:41:00,140 INFO L93 Difference]: Finished difference Result 227 states and 279 transitions. [2020-08-27 21:41:00,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-27 21:41:00,141 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-27 21:41:00,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:41:00,144 INFO L225 Difference]: With dead ends: 227 [2020-08-27 21:41:00,144 INFO L226 Difference]: Without dead ends: 138 [2020-08-27 21:41:00,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:41:00,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-27 21:41:00,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 113. [2020-08-27 21:41:00,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-08-27 21:41:00,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2020-08-27 21:41:00,175 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2020-08-27 21:41:00,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:41:00,176 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2020-08-27 21:41:00,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-27 21:41:00,176 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2020-08-27 21:41:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-27 21:41:00,178 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:41:00,178 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] [2020-08-27 21:41:00,178 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-27 21:41:00,179 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:41:00,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:41:00,179 INFO L82 PathProgramCache]: Analyzing trace with hash -2128475140, now seen corresponding path program 1 times [2020-08-27 21:41:00,179 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:41:00,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [591885315] [2020-08-27 21:41:00,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:41:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,583 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:41:00,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:41:00,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:41:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:41:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-27 21:41:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-27 21:41:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-27 21:41:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-27 21:41:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-27 21:41:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:41:00,731 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [591885315] [2020-08-27 21:41:00,732 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:41:00,732 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-27 21:41:00,732 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622385967] [2020-08-27 21:41:00,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-27 21:41:00,733 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:41:00,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-27 21:41:00,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-27 21:41:00,734 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 12 states. [2020-08-27 21:41:01,236 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-27 21:41:01,615 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:41:01,922 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:41:02,209 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:41:02,803 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-27 21:41:04,169 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:41:04,594 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-27 21:41:04,927 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-27 21:41:05,249 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-27 21:41:05,562 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-27 21:41:05,936 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-27 21:41:06,283 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-27 21:41:06,611 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-27 21:41:07,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:41:07,756 INFO L93 Difference]: Finished difference Result 438 states and 579 transitions. [2020-08-27 21:41:07,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-27 21:41:07,757 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 64 [2020-08-27 21:41:07,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:41:07,762 INFO L225 Difference]: With dead ends: 438 [2020-08-27 21:41:07,762 INFO L226 Difference]: Without dead ends: 349 [2020-08-27 21:41:07,764 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-27 21:41:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2020-08-27 21:41:07,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 280. [2020-08-27 21:41:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-08-27 21:41:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 334 transitions. [2020-08-27 21:41:07,837 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 334 transitions. Word has length 64 [2020-08-27 21:41:07,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:41:07,838 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 334 transitions. [2020-08-27 21:41:07,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-27 21:41:07,838 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 334 transitions. [2020-08-27 21:41:07,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-08-27 21:41:07,842 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:41:07,842 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] [2020-08-27 21:41:07,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-27 21:41:07,842 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:41:07,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:41:07,843 INFO L82 PathProgramCache]: Analyzing trace with hash 319417616, now seen corresponding path program 1 times [2020-08-27 21:41:07,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:41:07,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219593184] [2020-08-27 21:41:07,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:41:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,143 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:41:08,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:41:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:41:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:41:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-27 21:41:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-27 21:41:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-27 21:41:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-27 21:41:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-27 21:41:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-27 21:41:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-27 21:41:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-27 21:41:08,246 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219593184] [2020-08-27 21:41:08,246 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-27 21:41:08,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-27 21:41:08,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343129964] [2020-08-27 21:41:08,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-27 21:41:08,247 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:41:08,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-27 21:41:08,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-27 21:41:08,248 INFO L87 Difference]: Start difference. First operand 280 states and 334 transitions. Second operand 6 states. [2020-08-27 21:41:08,654 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-27 21:41:09,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:41:09,224 INFO L93 Difference]: Finished difference Result 434 states and 537 transitions. [2020-08-27 21:41:09,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-27 21:41:09,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-08-27 21:41:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:41:09,226 INFO L225 Difference]: With dead ends: 434 [2020-08-27 21:41:09,226 INFO L226 Difference]: Without dead ends: 178 [2020-08-27 21:41:09,228 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-27 21:41:09,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2020-08-27 21:41:09,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 166. [2020-08-27 21:41:09,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2020-08-27 21:41:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 183 transitions. [2020-08-27 21:41:09,264 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 183 transitions. Word has length 72 [2020-08-27 21:41:09,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:41:09,265 INFO L479 AbstractCegarLoop]: Abstraction has 166 states and 183 transitions. [2020-08-27 21:41:09,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-27 21:41:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 183 transitions. [2020-08-27 21:41:09,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-27 21:41:09,267 INFO L414 BasicCegarLoop]: Found error trace [2020-08-27 21:41:09,267 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-27 21:41:09,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-27 21:41:09,268 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-27 21:41:09,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-27 21:41:09,268 INFO L82 PathProgramCache]: Analyzing trace with hash 1468087032, now seen corresponding path program 1 times [2020-08-27 21:41:09,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-27 21:41:09,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [382395527] [2020-08-27 21:41:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-27 21:41:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,612 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:41:09,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-27 21:41:09,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-27 21:41:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-27 21:41:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-27 21:41:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-27 21:41:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-27 21:41:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-27 21:41:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-27 21:41:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-27 21:41:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-27 21:41:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-27 21:41:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-27 21:41:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-27 21:41:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-27 21:41:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-27 21:41:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-27 21:41:09,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [382395527] [2020-08-27 21:41:09,804 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-27 21:41:09,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-27 21:41:09,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731019888] [2020-08-27 21:41:09,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-27 21:41:09,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-27 21:41:09,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-27 21:41:09,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-27 21:41:09,806 INFO L87 Difference]: Start difference. First operand 166 states and 183 transitions. Second operand 10 states. [2020-08-27 21:41:10,638 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-27 21:41:11,246 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-27 21:41:11,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-27 21:41:11,896 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2020-08-27 21:41:11,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-27 21:41:11,896 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 108 [2020-08-27 21:41:11,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-27 21:41:11,898 INFO L225 Difference]: With dead ends: 223 [2020-08-27 21:41:11,898 INFO L226 Difference]: Without dead ends: 0 [2020-08-27 21:41:11,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-27 21:41:11,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-27 21:41:11,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-27 21:41:11,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-27 21:41:11,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-27 21:41:11,900 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2020-08-27 21:41:11,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-27 21:41:11,901 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-27 21:41:11,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-27 21:41:11,901 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-27 21:41:11,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-27 21:41:11,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-27 21:41:11,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-27 21:41:12,305 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:12,472 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:12,832 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:13,189 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:13,637 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 28 [2020-08-27 21:41:14,002 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:14,171 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:14,536 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:14,704 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:41:15,071 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:15,449 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 28 [2020-08-27 21:41:15,794 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:15,951 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:16,297 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:16,457 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:16,803 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:17,149 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:17,494 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:17,865 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 28 [2020-08-27 21:41:18,026 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:18,374 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:18,719 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:19,066 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:19,225 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:19,577 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:19,906 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-08-27 21:41:20,493 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 222 [2020-08-27 21:41:21,079 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 222 [2020-08-27 21:41:21,439 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:21,786 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:22,112 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2020-08-27 21:41:22,282 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:22,630 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:22,984 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:23,143 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:23,311 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:23,657 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:24,018 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:24,391 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-08-27 21:41:24,750 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-08-27 21:41:25,095 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:25,491 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 25 [2020-08-27 21:41:25,835 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:26,009 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-27 21:41:26,359 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-08-27 21:41:26,702 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-08-27 21:41:27,257 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-08-27 21:41:27,813 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-08-27 21:41:28,577 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-27 21:41:29,083 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-27 21:41:29,591 WARN L193 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-27 21:41:29,829 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-27 21:41:29,944 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-27 21:41:30,284 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-27 21:41:30,802 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-27 21:41:31,361 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-27 21:41:31,538 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-27 21:41:32,318 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-27 21:41:32,439 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-27 21:41:32,674 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-27 21:41:33,447 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-27 21:41:33,600 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-27 21:41:34,220 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-27 21:41:35,037 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-27 21:41:35,254 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-27 21:41:36,071 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-27 21:41:36,877 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-27 21:41:37,425 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-27 21:41:37,990 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-27 21:41:38,512 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 22 [2020-08-27 21:41:39,012 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 20 [2020-08-27 21:41:39,194 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-27 21:41:40,028 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-27 21:41:40,624 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-27 21:41:40,630 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point L244(lines 221 245) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 197 252) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point L228(lines 228 232) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2020-08-27 21:41:40,631 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point L285(lines 285 289) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point L280(line 280) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point L305(lines 278 306) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2020-08-27 21:41:40,632 INFO L268 CegarLoopResult]: For program point L298(line 298) no Hoare annotation was computed. [2020-08-27 21:41:40,633 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2020-08-27 21:41:40,635 INFO L268 CegarLoopResult]: For program point L298-1(line 298) no Hoare annotation was computed. [2020-08-27 21:41:40,636 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2020-08-27 21:41:40,636 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2020-08-27 21:41:40,636 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2020-08-27 21:41:40,636 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2020-08-27 21:41:40,636 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2020-08-27 21:41:40,636 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2020-08-27 21:41:40,637 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,638 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-08-27 21:41:40,638 INFO L264 CegarLoopResult]: At program point L922(line 922) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point L920(lines 920 933) no Hoare annotation was computed. [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2020-08-27 21:41:40,639 INFO L271 CegarLoopResult]: At program point L918(line 918) the Hoare annotation is: true [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point L918-1(line 918) no Hoare annotation was computed. [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2020-08-27 21:41:40,639 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-08-27 21:41:40,640 INFO L264 CegarLoopResult]: At program point L895(line 895) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,642 INFO L264 CegarLoopResult]: At program point L894(line 894) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,642 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 888 910) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,642 INFO L264 CegarLoopResult]: At program point L894-1(line 894) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,642 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2020-08-27 21:41:40,642 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2020-08-27 21:41:40,642 INFO L264 CegarLoopResult]: At program point L900(line 900) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,643 INFO L264 CegarLoopResult]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~8 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point L898(lines 898 905) no Hoare annotation was computed. [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point L865(line 865) no Hoare annotation was computed. [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point L863(line 863) no Hoare annotation was computed. [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point L862(line 862) no Hoare annotation was computed. [2020-08-27 21:41:40,643 INFO L268 CegarLoopResult]: For program point L861(line 861) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point L860(line 860) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point L859(line 859) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point L858(line 858) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-08-27 21:41:40,644 INFO L268 CegarLoopResult]: For program point L855(line 855) no Hoare annotation was computed. [2020-08-27 21:41:40,645 INFO L268 CegarLoopResult]: For program point L854(line 854) no Hoare annotation was computed. [2020-08-27 21:41:40,645 INFO L268 CegarLoopResult]: For program point L853(line 853) no Hoare annotation was computed. [2020-08-27 21:41:40,645 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-27 21:41:40,645 INFO L264 CegarLoopResult]: At program point L670(line 670) 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 (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,645 INFO L264 CegarLoopResult]: At program point L666(line 666) 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 (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,645 INFO L268 CegarLoopResult]: For program point L664(lines 664 672) no Hoare annotation was computed. [2020-08-27 21:41:40,645 INFO L264 CegarLoopResult]: At program point L662(line 662) 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 (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,645 INFO L268 CegarLoopResult]: For program point L662-1(line 662) no Hoare annotation was computed. [2020-08-27 21:41:40,646 INFO L268 CegarLoopResult]: For program point L660(lines 660 677) no Hoare annotation was computed. [2020-08-27 21:41:40,646 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) 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))))) [2020-08-27 21:41:40,646 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2020-08-27 21:41:40,646 INFO L264 CegarLoopResult]: At program point L675(line 675) 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))))) [2020-08-27 21:41:40,646 INFO L268 CegarLoopResult]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2020-08-27 21:41:40,646 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2020-08-27 21:41:40,646 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2020-08-27 21:41:40,647 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point L805(lines 805 809) no Hoare annotation was computed. [2020-08-27 21:41:40,647 INFO L271 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: true [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point L803-1(line 803) no Hoare annotation was computed. [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2020-08-27 21:41:40,647 INFO L268 CegarLoopResult]: For program point L767(lines 767 775) no Hoare annotation was computed. [2020-08-27 21:41:40,648 INFO L268 CegarLoopResult]: For program point L767-2(lines 767 775) no Hoare annotation was computed. [2020-08-27 21:41:40,648 INFO L268 CegarLoopResult]: For program point L790(line 790) no Hoare annotation was computed. [2020-08-27 21:41:40,648 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-08-27 21:41:40,648 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 760 795) no Hoare annotation was computed. [2020-08-27 21:41:40,648 INFO L268 CegarLoopResult]: For program point L779(lines 779 787) no Hoare annotation was computed. [2020-08-27 21:41:40,648 INFO L268 CegarLoopResult]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2020-08-27 21:41:40,649 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2020-08-27 21:41:40,649 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2020-08-27 21:41:40,649 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2020-08-27 21:41:40,649 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2020-08-27 21:41:40,649 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 151 196) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point L478(lines 478 498) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point L478-1(lines 478 498) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 464 509) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L268 CegarLoopResult]: For program point L484(lines 484 491) no Hoare annotation was computed. [2020-08-27 21:41:40,650 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,651 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2020-08-27 21:41:40,651 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2020-08-27 21:41:40,651 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2020-08-27 21:41:40,651 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2020-08-27 21:41:40,651 INFO L271 CegarLoopResult]: At program point L745(line 745) the Hoare annotation is: true [2020-08-27 21:41:40,651 INFO L268 CegarLoopResult]: For program point L745-1(line 745) no Hoare annotation was computed. [2020-08-27 21:41:40,651 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2020-08-27 21:41:40,651 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2020-08-27 21:41:40,652 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2020-08-27 21:41:40,652 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2020-08-27 21:41:40,652 INFO L264 CegarLoopResult]: At program point L701(line 701) 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))))) [2020-08-27 21:41:40,652 INFO L268 CegarLoopResult]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2020-08-27 21:41:40,652 INFO L264 CegarLoopResult]: At program point L696(line 696) 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 (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,652 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2020-08-27 21:41:40,652 INFO L264 CegarLoopResult]: At program point L692(line 692) 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 (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,653 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 682 706) 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))))) [2020-08-27 21:41:40,653 INFO L268 CegarLoopResult]: For program point L690(lines 690 698) no Hoare annotation was computed. [2020-08-27 21:41:40,653 INFO L264 CegarLoopResult]: At program point L688(line 688) 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 (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-27 21:41:40,653 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-27 21:41:40,653 INFO L268 CegarLoopResult]: For program point L686(lines 686 703) no Hoare annotation was computed. [2020-08-27 21:41:40,653 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2020-08-27 21:41:40,653 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2020-08-27 21:41:40,654 INFO L264 CegarLoopResult]: At program point L545(line 545) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-27 21:41:40,654 INFO L264 CegarLoopResult]: At program point testENTRY(lines 513 576) the Hoare annotation is: (or (not (= |old(~waterLevel~0)| 1)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-27 21:41:40,654 INFO L268 CegarLoopResult]: For program point L543(lines 543 549) no Hoare annotation was computed. [2020-08-27 21:41:40,654 INFO L268 CegarLoopResult]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2020-08-27 21:41:40,654 INFO L264 CegarLoopResult]: At program point L535(line 535) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-27 21:41:40,654 INFO L268 CegarLoopResult]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2020-08-27 21:41:40,654 INFO L264 CegarLoopResult]: At program point L566(lines 523 568) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-27 21:41:40,655 INFO L268 CegarLoopResult]: For program point L533(lines 533 539) no Hoare annotation was computed. [2020-08-27 21:41:40,655 INFO L268 CegarLoopResult]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2020-08-27 21:41:40,655 INFO L268 CegarLoopResult]: For program point L525(lines 525 529) no Hoare annotation was computed. [2020-08-27 21:41:40,655 INFO L264 CegarLoopResult]: At program point L569(lines 522 570) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-27 21:41:40,655 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-08-27 21:41:40,655 INFO L264 CegarLoopResult]: At program point L559-2(lines 553 564) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-27 21:41:40,655 INFO L268 CegarLoopResult]: For program point L524(lines 523 568) no Hoare annotation was computed. [2020-08-27 21:41:40,655 INFO L268 CegarLoopResult]: For program point L553(lines 553 564) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point L438(lines 438 445) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 418 463) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point L432(lines 432 452) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point L432-1(lines 432 452) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2020-08-27 21:41:40,656 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 707 714) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-27 21:41:40,657 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L380-1(line 380) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L339(lines 339 343) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L403(lines 403 414) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L366(lines 366 370) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2020-08-27 21:41:40,658 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2020-08-27 21:41:40,659 INFO L268 CegarLoopResult]: For program point L385(lines 363 386) no Hoare annotation was computed. [2020-08-27 21:41:40,659 INFO L268 CegarLoopResult]: For program point L344(lines 344 360) no Hoare annotation was computed. [2020-08-27 21:41:40,659 INFO L268 CegarLoopResult]: For program point L404(lines 404 411) no Hoare annotation was computed. [2020-08-27 21:41:40,659 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2020-08-27 21:41:40,659 INFO L268 CegarLoopResult]: For program point L365(lines 364 384) no Hoare annotation was computed. [2020-08-27 21:41:40,659 INFO L268 CegarLoopResult]: For program point L396(line 396) no Hoare annotation was computed. [2020-08-27 21:41:40,660 INFO L268 CegarLoopResult]: For program point L396-1(line 396) no Hoare annotation was computed. [2020-08-27 21:41:40,660 INFO L268 CegarLoopResult]: For program point L361(lines 361 402) no Hoare annotation was computed. [2020-08-27 21:41:40,660 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2020-08-27 21:41:40,660 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 582 591) no Hoare annotation was computed. [2020-08-27 21:41:40,660 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2020-08-27 21:41:40,660 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,661 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~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-27 21:41:40,661 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,661 INFO L268 CegarLoopResult]: For program point L720(line 720) no Hoare annotation was computed. [2020-08-27 21:41:40,661 INFO L268 CegarLoopResult]: For program point L720-1(line 720) no Hoare annotation was computed. [2020-08-27 21:41:40,661 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2020-08-27 21:41:40,661 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2020-08-27 21:41:40,661 INFO L268 CegarLoopResult]: For program point L726(line 726) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) 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 (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-27 21:41:40,662 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,663 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,663 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,663 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-27 21:41:40,663 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-27 21:41:40,663 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-27 21:41:40,664 INFO L264 CegarLoopResult]: At program point L637(line 637) 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 (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-27 21:41:40,664 INFO L264 CegarLoopResult]: At program point L635(lines 635 641) 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 (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-27 21:41:40,664 INFO L264 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-27 21:41:40,664 INFO L268 CegarLoopResult]: For program point L628(lines 627 646) no Hoare annotation was computed. [2020-08-27 21:41:40,665 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 624 647) 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 (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-27 21:41:40,665 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2020-08-27 21:41:40,665 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2020-08-27 21:41:40,665 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2020-08-27 21:41:40,665 INFO L268 CegarLoopResult]: For program point L831(lines 831 835) no Hoare annotation was computed. [2020-08-27 21:41:40,665 INFO L271 CegarLoopResult]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2020-08-27 21:41:40,665 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2020-08-27 21:41:40,666 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-08-27 21:41:40,666 INFO L271 CegarLoopResult]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2020-08-27 21:41:40,666 INFO L271 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: true [2020-08-27 21:41:40,667 INFO L268 CegarLoopResult]: For program point L823-1(line 823) no Hoare annotation was computed. [2020-08-27 21:41:40,667 INFO L271 CegarLoopResult]: At program point L842(lines 817 846) the Hoare annotation is: true [2020-08-27 21:41:40,667 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-27 21:41:40,667 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-27 21:41:40,667 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-27 21:41:40,667 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-27 21:41:40,667 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2020-08-27 21:41:40,668 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2020-08-27 21:41:40,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,668 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-27 21:41:40,668 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-27 21:41:40,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-27 21:41:40,668 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-27 21:41:40,668 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-27 21:41:40,668 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-27 21:41:40,668 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2020-08-27 21:41:40,669 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2020-08-27 21:41:40,669 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2020-08-27 21:41:40,669 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2020-08-27 21:41:40,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.08 09:41:40 BoogieIcfgContainer [2020-08-27 21:41:40,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-27 21:41:40,690 INFO L168 Benchmark]: Toolchain (without parser) took 49509.89 ms. Allocated memory was 140.5 MB in the beginning and 604.5 MB in the end (delta: 464.0 MB). Free memory was 103.2 MB in the beginning and 360.3 MB in the end (delta: -257.1 MB). Peak memory consumption was 470.2 MB. Max. memory is 7.1 GB. [2020-08-27 21:41:40,691 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-27 21:41:40,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.37 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.0 MB in the beginning and 170.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. [2020-08-27 21:41:40,692 INFO L168 Benchmark]: Boogie Preprocessor took 94.33 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-27 21:41:40,693 INFO L168 Benchmark]: RCFGBuilder took 1136.84 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 194.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2020-08-27 21:41:40,693 INFO L168 Benchmark]: TraceAbstraction took 47589.33 ms. Allocated memory was 236.5 MB in the beginning and 604.5 MB in the end (delta: 368.1 MB). Free memory was 194.6 MB in the beginning and 360.3 MB in the end (delta: -165.7 MB). Peak memory consumption was 465.7 MB. Max. memory is 7.1 GB. [2020-08-27 21:41:40,696 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.37 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.0 MB in the beginning and 170.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 25.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.33 ms. Allocated memory is still 203.9 MB. Free memory was 170.6 MB in the beginning and 166.6 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1136.84 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 166.6 MB in the beginning and 194.6 MB in the end (delta: -28.0 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 47589.33 ms. Allocated memory was 236.5 MB in the beginning and 604.5 MB in the end (delta: 368.1 MB). Free memory was 194.6 MB in the beginning and 360.3 MB in the end (delta: -165.7 MB). Peak memory consumption was 465.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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: 522]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: (((!(\old(waterLevel) == 1) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(1 == systemActive)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 18.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 573 SDtfs, 1200 SDslu, 400 SDs, 0 SdLazy, 2554 SolverSat, 764 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=280occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 163 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 412 PreInvPairs, 432 NumberOfFragments, 1117 HoareAnnotationTreeSize, 412 FomulaSimplifications, 41842 FormulaSimplificationTreeSizeReduction, 15.9s HoareSimplificationTime, 57 FomulaSimplificationsInter, 9815 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 120647 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/36 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...