/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 11:56:13,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 11:56:13,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 11:56:13,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 11:56:13,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 11:56:13,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 11:56:13,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 11:56:13,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 11:56:13,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 11:56:13,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 11:56:13,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 11:56:13,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 11:56:13,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 11:56:13,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 11:56:13,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 11:56:13,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 11:56:13,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 11:56:13,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 11:56:13,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 11:56:13,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 11:56:13,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 11:56:13,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 11:56:13,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 11:56:13,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 11:56:13,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 11:56:13,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 11:56:13,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 11:56:13,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 11:56:13,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 11:56:13,854 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 11:56:13,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 11:56:13,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 11:56:13,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 11:56:13,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 11:56:13,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 11:56:13,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 11:56:13,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 11:56:13,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 11:56:13,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 11:56:13,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 11:56:13,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 11:56:13,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 11:56:13,915 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 11:56:13,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 11:56:13,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 11:56:13,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 11:56:13,921 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 11:56:13,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 11:56:13,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 11:56:13,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 11:56:13,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 11:56:13,924 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 11:56:13,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 11:56:13,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 11:56:13,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 11:56:13,925 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 11:56:13,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 11:56:13,925 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 11:56:13,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 11:56:13,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 11:56:13,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 11:56:13,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 11:56:13,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 11:56:13,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:56:13,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 11:56:13,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 11:56:13,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 11:56:13,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 11:56:13,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 11:56:13,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 11:56:13,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 11:56:13,930 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 11:56:14,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 11:56:14,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 11:56:14,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 11:56:14,270 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 11:56:14,271 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 11:56:14,271 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-18 11:56:14,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30b111cd7/5e5bdababa4f48389e9481558ca4755a/FLAGeda6bc3e1 [2020-08-18 11:56:14,847 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 11:56:14,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product25.cil.c [2020-08-18 11:56:14,866 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30b111cd7/5e5bdababa4f48389e9481558ca4755a/FLAGeda6bc3e1 [2020-08-18 11:56:15,145 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/30b111cd7/5e5bdababa4f48389e9481558ca4755a [2020-08-18 11:56:15,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 11:56:15,160 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 11:56:15,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:15,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 11:56:15,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 11:56:15,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c86c800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15, skipping insertion in model container [2020-08-18 11:56:15,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 11:56:15,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 11:56:15,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:15,707 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 11:56:15,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 11:56:15,852 INFO L208 MainTranslator]: Completed translation [2020-08-18 11:56:15,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15 WrapperNode [2020-08-18 11:56:15,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 11:56:15,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 11:56:15,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 11:56:15,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 11:56:15,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... [2020-08-18 11:56:15,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 11:56:15,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 11:56:15,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 11:56:15,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 11:56:15,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 11:56:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 11:56:16,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 11:56:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 11:56:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 11:56:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 11:56:16,043 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 11:56:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 11:56:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 11:56:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 11:56:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 11:56:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 11:56:16,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 11:56:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 11:56:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 11:56:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 11:56:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:56:16,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 11:56:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 11:56:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 11:56:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 11:56:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 11:56:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 11:56:16,046 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 11:56:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 11:56:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 11:56:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 11:56:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 11:56:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 11:56:16,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 11:56:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 11:56:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 11:56:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 11:56:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 11:56:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 11:56:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 11:56:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 11:56:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 11:56:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 11:56:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 11:56:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 11:56:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 11:56:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 11:56:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 11:56:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 11:56:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 11:56:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 11:56:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 11:56:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 11:56:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 11:56:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 11:56:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 11:56:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 11:56:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 11:56:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 11:56:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 11:56:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 11:56:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 11:56:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 11:56:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 11:56:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 11:56:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 11:56:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 11:56:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 11:56:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 11:56:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 11:56:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 11:56:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 11:56:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 11:56:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 11:56:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 11:56:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 11:56:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 11:56:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 11:56:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 11:56:19,264 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 11:56:19,265 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 11:56:19,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:19 BoogieIcfgContainer [2020-08-18 11:56:19,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 11:56:19,272 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 11:56:19,272 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 11:56:19,275 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 11:56:19,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:56:15" (1/3) ... [2020-08-18 11:56:19,276 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42935431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:19, skipping insertion in model container [2020-08-18 11:56:19,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:56:15" (2/3) ... [2020-08-18 11:56:19,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42935431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:56:19, skipping insertion in model container [2020-08-18 11:56:19,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:56:19" (3/3) ... [2020-08-18 11:56:19,279 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product25.cil.c [2020-08-18 11:56:19,290 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 11:56:19,298 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 11:56:19,314 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 11:56:19,341 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 11:56:19,341 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 11:56:19,341 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 11:56:19,341 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 11:56:19,342 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 11:56:19,342 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 11:56:19,342 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 11:56:19,342 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 11:56:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2020-08-18 11:56:19,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 11:56:19,377 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:19,378 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:19,379 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:19,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:19,386 INFO L82 PathProgramCache]: Analyzing trace with hash 360322955, now seen corresponding path program 1 times [2020-08-18 11:56:19,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:19,397 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645845567] [2020-08-18 11:56:19,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,090 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:20,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:20,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 11:56:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 11:56:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:20,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:20,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1645845567] [2020-08-18 11:56:20,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:20,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 11:56:20,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661276166] [2020-08-18 11:56:20,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 11:56:20,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:20,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 11:56:20,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:20,219 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 4 states. [2020-08-18 11:56:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:21,278 INFO L93 Difference]: Finished difference Result 246 states and 324 transitions. [2020-08-18 11:56:21,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 11:56:21,281 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 11:56:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:21,295 INFO L225 Difference]: With dead ends: 246 [2020-08-18 11:56:21,296 INFO L226 Difference]: Without dead ends: 138 [2020-08-18 11:56:21,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 11:56:21,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-08-18 11:56:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 109. [2020-08-18 11:56:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-18 11:56:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2020-08-18 11:56:21,390 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 51 [2020-08-18 11:56:21,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:21,391 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2020-08-18 11:56:21,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 11:56:21,391 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2020-08-18 11:56:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 11:56:21,394 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:21,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 11:56:21,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 11:56:21,395 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:21,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:21,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1474642768, now seen corresponding path program 1 times [2020-08-18 11:56:21,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:21,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [806729131] [2020-08-18 11:56:21,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,714 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:21,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 11:56:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:56:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:21,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:21,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [806729131] [2020-08-18 11:56:21,806 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:21,806 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 11:56:21,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513306661] [2020-08-18 11:56:21,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 11:56:21,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:21,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 11:56:21,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 11:56:21,810 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 5 states. [2020-08-18 11:56:22,305 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 11:56:22,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:22,962 INFO L93 Difference]: Finished difference Result 191 states and 235 transitions. [2020-08-18 11:56:22,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 11:56:22,964 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 11:56:22,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:22,968 INFO L225 Difference]: With dead ends: 191 [2020-08-18 11:56:22,968 INFO L226 Difference]: Without dead ends: 128 [2020-08-18 11:56:22,970 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 11:56:22,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-18 11:56:23,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-18 11:56:23,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 11:56:23,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2020-08-18 11:56:23,020 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2020-08-18 11:56:23,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:23,021 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2020-08-18 11:56:23,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 11:56:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2020-08-18 11:56:23,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 11:56:23,034 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:23,035 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] [2020-08-18 11:56:23,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 11:56:23,035 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:23,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:23,036 INFO L82 PathProgramCache]: Analyzing trace with hash -282288247, now seen corresponding path program 1 times [2020-08-18 11:56:23,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:23,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257932044] [2020-08-18 11:56:23,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,435 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:23,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 11:56:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 11:56:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:23,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:23,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257932044] [2020-08-18 11:56:23,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:23,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:23,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491090904] [2020-08-18 11:56:23,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:23,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:23,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:23,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:23,553 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 9 states. [2020-08-18 11:56:23,984 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:24,252 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:24,501 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:24,769 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:25,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:25,729 INFO L93 Difference]: Finished difference Result 200 states and 250 transitions. [2020-08-18 11:56:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 11:56:25,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-18 11:56:25,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:25,737 INFO L225 Difference]: With dead ends: 200 [2020-08-18 11:56:25,738 INFO L226 Difference]: Without dead ends: 128 [2020-08-18 11:56:25,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-18 11:56:25,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-08-18 11:56:25,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 100. [2020-08-18 11:56:25,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-18 11:56:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2020-08-18 11:56:25,793 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 56 [2020-08-18 11:56:25,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:25,796 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2020-08-18 11:56:25,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2020-08-18 11:56:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-18 11:56:25,798 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:25,798 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] [2020-08-18 11:56:25,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 11:56:25,799 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:25,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:25,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1883415514, now seen corresponding path program 1 times [2020-08-18 11:56:25,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:25,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414431786] [2020-08-18 11:56:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,140 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:26,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 11:56:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:56:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 11:56:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 11:56:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:26,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:26,238 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414431786] [2020-08-18 11:56:26,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:26,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 11:56:26,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332918286] [2020-08-18 11:56:26,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 11:56:26,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:26,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 11:56:26,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 11:56:26,240 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 9 states. [2020-08-18 11:56:26,715 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:27,755 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:28,063 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:28,336 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:28,601 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:29,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:29,392 INFO L93 Difference]: Finished difference Result 307 states and 408 transitions. [2020-08-18 11:56:29,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 11:56:29,396 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-18 11:56:29,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:29,400 INFO L225 Difference]: With dead ends: 307 [2020-08-18 11:56:29,400 INFO L226 Difference]: Without dead ends: 235 [2020-08-18 11:56:29,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-18 11:56:29,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-08-18 11:56:29,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 162. [2020-08-18 11:56:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-08-18 11:56:29,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 188 transitions. [2020-08-18 11:56:29,453 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 188 transitions. Word has length 64 [2020-08-18 11:56:29,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:29,454 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 188 transitions. [2020-08-18 11:56:29,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 11:56:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 188 transitions. [2020-08-18 11:56:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-18 11:56:29,456 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 11:56:29,456 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] [2020-08-18 11:56:29,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 11:56:29,457 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 11:56:29,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 11:56:29,457 INFO L82 PathProgramCache]: Analyzing trace with hash 515534978, now seen corresponding path program 1 times [2020-08-18 11:56:29,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 11:56:29,458 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [48406197] [2020-08-18 11:56:29,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 11:56:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,744 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:29,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 11:56:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 11:56:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 11:56:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 11:56:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 11:56:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 11:56:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 11:56:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 11:56:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 11:56:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 11:56:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-18 11:56:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 11:56:29,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 11:56:29,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [48406197] [2020-08-18 11:56:29,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 11:56:29,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-18 11:56:29,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071864599] [2020-08-18 11:56:29,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 11:56:29,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 11:56:29,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 11:56:29,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-18 11:56:29,909 INFO L87 Difference]: Start difference. First operand 162 states and 188 transitions. Second operand 10 states. [2020-08-18 11:56:30,395 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 11:56:31,255 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:31,520 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:31,801 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 11:56:32,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 11:56:32,006 INFO L93 Difference]: Finished difference Result 289 states and 366 transitions. [2020-08-18 11:56:32,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 11:56:32,007 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 68 [2020-08-18 11:56:32,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 11:56:32,008 INFO L225 Difference]: With dead ends: 289 [2020-08-18 11:56:32,008 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 11:56:32,012 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-08-18 11:56:32,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 11:56:32,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 11:56:32,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 11:56:32,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 11:56:32,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2020-08-18 11:56:32,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 11:56:32,013 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 11:56:32,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 11:56:32,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 11:56:32,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 11:56:32,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 11:56:32,016 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 11:56:32,574 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-08-18 11:56:34,400 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 11:56:34,566 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:56:34,770 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 11:56:35,102 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:35,239 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 17 [2020-08-18 11:56:35,430 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:56:35,600 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:56:35,826 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 11:56:36,174 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 11:56:36,493 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 11:56:36,797 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 12 [2020-08-18 11:56:37,116 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:37,301 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:56:37,632 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 11 [2020-08-18 11:56:37,791 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:56:37,977 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 11:56:38,138 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 23 [2020-08-18 11:56:38,294 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 1 [2020-08-18 11:56:38,615 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 18 [2020-08-18 11:56:38,787 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-18 11:56:38,951 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 25 [2020-08-18 11:56:39,224 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 17 [2020-08-18 11:56:39,522 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 12 [2020-08-18 11:56:39,527 INFO L268 CegarLoopResult]: For program point L640(line 640) no Hoare annotation was computed. [2020-08-18 11:56:39,527 INFO L268 CegarLoopResult]: For program point L639-2(lines 639 660) no Hoare annotation was computed. [2020-08-18 11:56:39,527 INFO L268 CegarLoopResult]: For program point L661(lines 638 662) no Hoare annotation was computed. [2020-08-18 11:56:39,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 614 669) no Hoare annotation was computed. [2020-08-18 11:56:39,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 614 669) no Hoare annotation was computed. [2020-08-18 11:56:39,528 INFO L268 CegarLoopResult]: For program point L645(lines 645 649) no Hoare annotation was computed. [2020-08-18 11:56:39,528 INFO L268 CegarLoopResult]: For program point L645-1(lines 645 649) no Hoare annotation was computed. [2020-08-18 11:56:39,528 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 614 669) no Hoare annotation was computed. [2020-08-18 11:56:39,528 INFO L268 CegarLoopResult]: For program point L702(lines 702 706) no Hoare annotation was computed. [2020-08-18 11:56:39,529 INFO L268 CegarLoopResult]: For program point L702-1(lines 702 706) no Hoare annotation was computed. [2020-08-18 11:56:39,529 INFO L268 CegarLoopResult]: For program point L697(line 697) no Hoare annotation was computed. [2020-08-18 11:56:39,529 INFO L268 CegarLoopResult]: For program point L696-2(lines 696 721) no Hoare annotation was computed. [2020-08-18 11:56:39,529 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 670 729) no Hoare annotation was computed. [2020-08-18 11:56:39,529 INFO L268 CegarLoopResult]: For program point L722(lines 695 723) no Hoare annotation was computed. [2020-08-18 11:56:39,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 670 729) no Hoare annotation was computed. [2020-08-18 11:56:39,530 INFO L268 CegarLoopResult]: For program point L715(line 715) no Hoare annotation was computed. [2020-08-18 11:56:39,530 INFO L268 CegarLoopResult]: For program point L715-1(line 715) no Hoare annotation was computed. [2020-08-18 11:56:39,530 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 670 729) no Hoare annotation was computed. [2020-08-18 11:56:39,530 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 164 170) the Hoare annotation is: true [2020-08-18 11:56:39,531 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 164 170) no Hoare annotation was computed. [2020-08-18 11:56:39,531 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 171 179) no Hoare annotation was computed. [2020-08-18 11:56:39,531 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 171 179) the Hoare annotation is: true [2020-08-18 11:56:39,531 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 171 179) no Hoare annotation was computed. [2020-08-18 11:56:39,531 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,532 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,532 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,532 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,532 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-08-18 11:56:39,532 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-08-18 11:56:39,533 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,533 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,533 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-08-18 11:56:39,533 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-08-18 11:56:39,533 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-18 11:56:39,533 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 11:56:39,534 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-18 11:56:39,535 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 359 367) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 359 367) the Hoare annotation is: true [2020-08-18 11:56:39,536 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 359 367) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L268 CegarLoopResult]: For program point L413(lines 413 417) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L271 CegarLoopResult]: At program point L411(line 411) the Hoare annotation is: true [2020-08-18 11:56:39,536 INFO L268 CegarLoopResult]: For program point L413-2(lines 413 417) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L268 CegarLoopResult]: For program point L411-1(line 411) no Hoare annotation was computed. [2020-08-18 11:56:39,536 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 404 422) the Hoare annotation is: true [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 404 422) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 404 422) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point L375(lines 375 383) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 383) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 368 403) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point L398-1(line 398) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 368 403) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point L387(lines 387 395) no Hoare annotation was computed. [2020-08-18 11:56:39,537 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 368 403) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 157 163) the Hoare annotation is: true [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 568 613) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 568 613) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 568 613) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point L895(lines 895 915) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point L895-1(lines 895 915) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 881 926) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 881 926) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 881 926) no Hoare annotation was computed. [2020-08-18 11:56:39,538 INFO L268 CegarLoopResult]: For program point L901(lines 901 908) no Hoare annotation was computed. [2020-08-18 11:56:39,539 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (and (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,539 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,539 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-08-18 11:56:39,539 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-08-18 11:56:39,539 INFO L268 CegarLoopResult]: For program point L353(line 353) no Hoare annotation was computed. [2020-08-18 11:56:39,539 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-08-18 11:56:39,540 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 348 358) no Hoare annotation was computed. [2020-08-18 11:56:39,540 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 348 358) no Hoare annotation was computed. [2020-08-18 11:56:39,540 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 348 358) no Hoare annotation was computed. [2020-08-18 11:56:39,540 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 340 347) the Hoare annotation is: true [2020-08-18 11:56:39,540 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 340 347) no Hoare annotation was computed. [2020-08-18 11:56:39,540 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 340 347) no Hoare annotation was computed. [2020-08-18 11:56:39,540 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 289 313) no Hoare annotation was computed. [2020-08-18 11:56:39,541 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,541 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 289 313) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,541 INFO L268 CegarLoopResult]: For program point L308-1(lines 289 313) no Hoare annotation was computed. [2020-08-18 11:56:39,541 INFO L264 CegarLoopResult]: At program point L303(line 303) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,541 INFO L264 CegarLoopResult]: At program point L299(line 299) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,541 INFO L268 CegarLoopResult]: For program point L297(lines 297 305) no Hoare annotation was computed. [2020-08-18 11:56:39,541 INFO L264 CegarLoopResult]: At program point L295(line 295) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,542 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-08-18 11:56:39,542 INFO L268 CegarLoopResult]: For program point L293(lines 293 310) no Hoare annotation was computed. [2020-08-18 11:56:39,542 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 281 287) no Hoare annotation was computed. [2020-08-18 11:56:39,542 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 281 287) the Hoare annotation is: true [2020-08-18 11:56:39,542 INFO L264 CegarLoopResult]: At program point L227-2(lines 221 232) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:56:39,542 INFO L268 CegarLoopResult]: For program point L192(lines 191 236) no Hoare annotation was computed. [2020-08-18 11:56:39,542 INFO L264 CegarLoopResult]: At program point testENTRY(lines 181 244) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,543 INFO L268 CegarLoopResult]: For program point L221(lines 221 232) no Hoare annotation was computed. [2020-08-18 11:56:39,543 INFO L268 CegarLoopResult]: For program point testFINAL(lines 181 244) no Hoare annotation was computed. [2020-08-18 11:56:39,543 INFO L264 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:56:39,543 INFO L268 CegarLoopResult]: For program point L211(lines 211 217) no Hoare annotation was computed. [2020-08-18 11:56:39,543 INFO L268 CegarLoopResult]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2020-08-18 11:56:39,543 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:56:39,543 INFO L264 CegarLoopResult]: At program point L234(lines 191 236) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 11:56:39,544 INFO L268 CegarLoopResult]: For program point L201(lines 201 207) no Hoare annotation was computed. [2020-08-18 11:56:39,544 INFO L268 CegarLoopResult]: For program point L201-1(lines 201 207) no Hoare annotation was computed. [2020-08-18 11:56:39,544 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-08-18 11:56:39,544 INFO L264 CegarLoopResult]: At program point L237(lines 190 238) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 11:56:39,544 INFO L268 CegarLoopResult]: For program point L227(lines 227 231) no Hoare annotation was computed. [2020-08-18 11:56:39,544 INFO L268 CegarLoopResult]: For program point testEXIT(lines 181 244) no Hoare annotation was computed. [2020-08-18 11:56:39,544 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 835 880) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point L855(lines 855 862) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 835 880) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point L849(lines 849 869) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 835 880) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point L849-1(lines 849 869) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 314 321) no Hoare annotation was computed. [2020-08-18 11:56:39,545 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 314 321) no Hoare annotation was computed. [2020-08-18 11:56:39,546 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 314 321) no Hoare annotation was computed. [2020-08-18 11:56:39,546 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 504 512) no Hoare annotation was computed. [2020-08-18 11:56:39,546 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 504 512) the Hoare annotation is: true [2020-08-18 11:56:39,546 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 504 512) no Hoare annotation was computed. [2020-08-18 11:56:39,546 INFO L268 CegarLoopResult]: For program point L545(lines 545 551) no Hoare annotation was computed. [2020-08-18 11:56:39,546 INFO L268 CegarLoopResult]: For program point L544(lines 544 554) no Hoare annotation was computed. [2020-08-18 11:56:39,546 INFO L264 CegarLoopResult]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2020-08-18 11:56:39,547 INFO L268 CegarLoopResult]: For program point L542-1(line 542) no Hoare annotation was computed. [2020-08-18 11:56:39,547 INFO L268 CegarLoopResult]: For program point L540(lines 540 557) no Hoare annotation was computed. [2020-08-18 11:56:39,547 INFO L268 CegarLoopResult]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2020-08-18 11:56:39,547 INFO L264 CegarLoopResult]: At program point L538(line 538) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:39,547 INFO L268 CegarLoopResult]: For program point L538-1(line 538) no Hoare annotation was computed. [2020-08-18 11:56:39,547 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:39,548 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2020-08-18 11:56:39,548 INFO L264 CegarLoopResult]: At program point L547(line 547) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:39,548 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 11:56:39,548 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2020-08-18 11:56:39,548 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2020-08-18 11:56:39,548 INFO L268 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-08-18 11:56:39,548 INFO L268 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-08-18 11:56:39,548 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 472 494) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 472 494) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 472 494) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 147 156) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 147 156) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 147 156) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 732 834) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point L797(line 797) no Hoare annotation was computed. [2020-08-18 11:56:39,549 INFO L268 CegarLoopResult]: For program point L797-1(line 797) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L756(lines 756 760) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L820(lines 820 831) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L783(lines 783 787) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L781-2(lines 781 801) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 732 834) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L802(lines 780 803) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L761(lines 761 777) no Hoare annotation was computed. [2020-08-18 11:56:39,550 INFO L268 CegarLoopResult]: For program point L821(lines 821 828) no Hoare annotation was computed. [2020-08-18 11:56:39,551 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 732 834) no Hoare annotation was computed. [2020-08-18 11:56:39,551 INFO L268 CegarLoopResult]: For program point L782(lines 781 801) no Hoare annotation was computed. [2020-08-18 11:56:39,551 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-18 11:56:39,551 INFO L268 CegarLoopResult]: For program point L813-1(line 813) no Hoare annotation was computed. [2020-08-18 11:56:39,551 INFO L268 CegarLoopResult]: For program point L778(lines 778 819) no Hoare annotation was computed. [2020-08-18 11:56:39,551 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,552 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~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#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~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 11:56:39,552 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,552 INFO L268 CegarLoopResult]: For program point L334(line 334) no Hoare annotation was computed. [2020-08-18 11:56:39,552 INFO L268 CegarLoopResult]: For program point L334-1(lines 323 339) no Hoare annotation was computed. [2020-08-18 11:56:39,552 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 323 339) no Hoare annotation was computed. [2020-08-18 11:56:39,552 INFO L268 CegarLoopResult]: For program point L330(lines 330 336) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 323 339) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L268 CegarLoopResult]: For program point L328(line 328) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L268 CegarLoopResult]: For program point L328-1(line 328) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 495 503) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 495 503) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 495 503) no Hoare annotation was computed. [2020-08-18 11:56:39,553 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 451 462) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 11:56:39,554 INFO L268 CegarLoopResult]: For program point L455-1(lines 451 462) no Hoare annotation was computed. [2020-08-18 11:56:39,554 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 451 462) no Hoare annotation was computed. [2020-08-18 11:56:39,554 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,554 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,554 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,554 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 257 280) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,554 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,555 INFO L264 CegarLoopResult]: At program point L268(lines 268 274) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,555 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 257 280) no Hoare annotation was computed. [2020-08-18 11:56:39,555 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 11:56:39,555 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 257 280) no Hoare annotation was computed. [2020-08-18 11:56:39,555 INFO L268 CegarLoopResult]: For program point L261(lines 260 279) no Hoare annotation was computed. [2020-08-18 11:56:39,555 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-18 11:56:39,555 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-18 11:56:39,555 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-18 11:56:39,556 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-18 11:56:39,556 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-18 11:56:39,556 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-18 11:56:39,556 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-18 11:56:39,556 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-18 11:56:39,556 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-18 11:56:39,557 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-18 11:56:39,557 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 463 471) the Hoare annotation is: true [2020-08-18 11:56:39,557 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 463 471) no Hoare annotation was computed. [2020-08-18 11:56:39,557 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 463 471) no Hoare annotation was computed. [2020-08-18 11:56:39,557 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 427 438) the Hoare annotation is: true [2020-08-18 11:56:39,557 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-08-18 11:56:39,557 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 427 438) no Hoare annotation was computed. [2020-08-18 11:56:39,558 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-18 11:56:39,558 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-18 11:56:39,558 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,558 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 11:56:39,558 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 11:56:39,558 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 11:56:39,558 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 439 450) no Hoare annotation was computed. [2020-08-18 11:56:39,559 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-08-18 11:56:39,559 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 439 450) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-18 11:56:39,559 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 514 521) no Hoare annotation was computed. [2020-08-18 11:56:39,559 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 518) no Hoare annotation was computed. [2020-08-18 11:56:39,559 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 514 521) the Hoare annotation is: true [2020-08-18 11:56:39,559 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 514 521) no Hoare annotation was computed. [2020-08-18 11:56:39,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 11:56:39 BoogieIcfgContainer [2020-08-18 11:56:39,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 11:56:39,579 INFO L168 Benchmark]: Toolchain (without parser) took 24419.19 ms. Allocated memory was 140.5 MB in the beginning and 583.0 MB in the end (delta: 442.5 MB). Free memory was 103.2 MB in the beginning and 264.5 MB in the end (delta: -161.4 MB). Peak memory consumption was 425.7 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:39,580 INFO L168 Benchmark]: CDTParser took 0.18 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. [2020-08-18 11:56:39,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 691.94 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 172.9 MB in the end (delta: -70.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:39,581 INFO L168 Benchmark]: Boogie Preprocessor took 104.45 ms. Allocated memory is still 203.4 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:39,582 INFO L168 Benchmark]: RCFGBuilder took 3312.16 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 168.8 MB in the beginning and 197.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:39,583 INFO L168 Benchmark]: TraceAbstraction took 20305.24 ms. Allocated memory was 235.4 MB in the beginning and 583.0 MB in the end (delta: 347.6 MB). Free memory was 197.5 MB in the beginning and 264.5 MB in the end (delta: -67.0 MB). Peak memory consumption was 425.1 MB. Max. memory is 7.1 GB. [2020-08-18 11:56:39,587 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 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 691.94 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 103.0 MB in the beginning and 172.9 MB in the end (delta: -70.0 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.45 ms. Allocated memory is still 203.4 MB. Free memory was 172.9 MB in the beginning and 168.8 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3312.16 ms. Allocated memory was 203.4 MB in the beginning and 235.4 MB in the end (delta: 32.0 MB). Free memory was 168.8 MB in the beginning and 197.5 MB in the end (delta: -28.7 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 20305.24 ms. Allocated memory was 235.4 MB in the beginning and 583.0 MB in the end (delta: 347.6 MB). Free memory was 197.5 MB in the beginning and 264.5 MB in the end (delta: -67.0 MB). Peak memory consumption was 425.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 518]: 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: 191]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: (!(systemActive == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 226 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 425 SDtfs, 749 SDslu, 371 SDs, 0 SdLazy, 1680 SolverSat, 480 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 151 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, 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, 5 MinimizatonAttempts, 158 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 246 PreInvPairs, 278 NumberOfFragments, 759 HoareAnnotationTreeSize, 246 FomulaSimplifications, 90420 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 8518 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 291 NumberOfCodeBlocks, 291 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 286 ConstructedInterpolants, 0 QuantifiedInterpolants, 84318 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...