/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:27:28,695 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:27:28,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:27:28,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:27:28,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:27:28,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:27:28,744 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:27:28,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:27:28,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:27:28,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:27:28,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:27:28,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:27:28,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:27:28,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:27:28,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:27:28,760 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:27:28,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:27:28,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:27:28,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:27:28,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:27:28,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:27:28,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:27:28,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:27:28,776 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:27:28,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:27:28,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:27:28,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:27:28,789 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:27:28,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:27:28,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:27:28,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:27:28,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:27:28,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:27:28,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:27:28,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:27:28,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:27:28,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:27:28,804 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:27:28,804 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:27:28,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:27:28,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:27:28,806 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 [2020-08-22 00:27:28,841 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:27:28,842 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:27:28,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:27:28,844 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:27:28,844 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:27:28,844 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:27:28,845 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:27:28,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:27:28,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:27:28,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:27:28,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:27:28,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:27:28,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:27:28,847 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:27:28,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:27:28,847 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:27:28,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:27:28,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:27:28,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:27:28,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:27:28,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:27:28,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:27:28,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:27:28,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:27:28,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:27:28,849 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:27:28,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:27:28,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:27:28,850 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:27:28,850 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=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:27:29,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:27:29,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:27:29,163 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:27:29,164 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:27:29,165 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:27:29,165 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-08-22 00:27:29,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee99e6089/842ce33f549441518a9faf3b5a751098/FLAG89ebd4a6f [2020-08-22 00:27:29,867 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:27:29,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-08-22 00:27:29,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee99e6089/842ce33f549441518a9faf3b5a751098/FLAG89ebd4a6f [2020-08-22 00:27:30,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee99e6089/842ce33f549441518a9faf3b5a751098 [2020-08-22 00:27:30,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:27:30,145 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:27:30,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:27:30,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:27:30,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:27:30,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,155 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae2094d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30, skipping insertion in model container [2020-08-22 00:27:30,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:27:30,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:27:30,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:27:30,701 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:27:30,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:27:30,849 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:27:30,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30 WrapperNode [2020-08-22 00:27:30,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:27:30,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:27:30,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:27:30,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:27:30,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (1/1) ... [2020-08-22 00:27:30,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:27:30,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:27:30,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:27:30,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:27:30,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (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 [2020-08-22 00:27:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:27:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:27:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 00:27:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 00:27:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 00:27:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 00:27:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 00:27:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 00:27:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 00:27:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 00:27:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 00:27:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 00:27:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 00:27:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 00:27:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 00:27:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 00:27:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 00:27:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 00:27:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 00:27:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 00:27:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 00:27:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 00:27:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 00:27:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 00:27:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 00:27:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 00:27:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-22 00:27:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 00:27:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 00:27:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 00:27:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 00:27:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 00:27:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 00:27:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 00:27:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 00:27:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 00:27:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 00:27:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 00:27:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 00:27:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 00:27:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 00:27:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 00:27:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 00:27:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 00:27:31,073 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 00:27:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 00:27:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 00:27:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 00:27:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-22 00:27:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 00:27:31,083 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 00:27:31,084 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 00:27:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:27:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 00:27:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 00:27:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 00:27:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 00:27:31,085 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 00:27:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 00:27:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 00:27:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:27:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 00:27:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 00:27:31,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 00:27:31,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:27:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 00:27:31,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:27:32,191 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:27:32,191 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 00:27:32,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:27:32 BoogieIcfgContainer [2020-08-22 00:27:32,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:27:32,198 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:27:32,198 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:27:32,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:27:32,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:27:30" (1/3) ... [2020-08-22 00:27:32,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5eb33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:27:32, skipping insertion in model container [2020-08-22 00:27:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:27:30" (2/3) ... [2020-08-22 00:27:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e5eb33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:27:32, skipping insertion in model container [2020-08-22 00:27:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:27:32" (3/3) ... [2020-08-22 00:27:32,206 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2020-08-22 00:27:32,217 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:27:32,225 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:27:32,238 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:27:32,264 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:27:32,264 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:27:32,264 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:27:32,264 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:27:32,265 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:27:32,265 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:27:32,265 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:27:32,265 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:27:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-08-22 00:27:32,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 00:27:32,299 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:32,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:32,301 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:32,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:32,306 INFO L82 PathProgramCache]: Analyzing trace with hash 144748064, now seen corresponding path program 1 times [2020-08-22 00:27:32,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:32,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818744951] [2020-08-22 00:27:32,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,001 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 00:27:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:27:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:33,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818744951] [2020-08-22 00:27:33,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:33,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 00:27:33,100 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62949859] [2020-08-22 00:27:33,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 00:27:33,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:33,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 00:27:33,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 00:27:33,126 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 3 states. [2020-08-22 00:27:34,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:34,327 INFO L93 Difference]: Finished difference Result 294 states and 384 transitions. [2020-08-22 00:27:34,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 00:27:34,329 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 00:27:34,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:34,344 INFO L225 Difference]: With dead ends: 294 [2020-08-22 00:27:34,344 INFO L226 Difference]: Without dead ends: 159 [2020-08-22 00:27:34,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 00:27:34,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-08-22 00:27:34,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 126. [2020-08-22 00:27:34,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2020-08-22 00:27:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2020-08-22 00:27:34,441 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2020-08-22 00:27:34,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:34,442 INFO L479 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2020-08-22 00:27:34,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 00:27:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2020-08-22 00:27:34,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 00:27:34,446 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:34,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:34,446 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:27:34,447 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:34,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:34,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1374578105, now seen corresponding path program 1 times [2020-08-22 00:27:34,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:34,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149408534] [2020-08-22 00:27:34,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,814 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:34,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 00:27:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 00:27:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:34,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:34,860 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149408534] [2020-08-22 00:27:34,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:34,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 00:27:34,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365663849] [2020-08-22 00:27:34,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 00:27:34,863 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:34,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 00:27:34,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 00:27:34,863 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 4 states. [2020-08-22 00:27:35,314 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:27:36,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:36,099 INFO L93 Difference]: Finished difference Result 223 states and 271 transitions. [2020-08-22 00:27:36,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:27:36,106 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 00:27:36,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:36,109 INFO L225 Difference]: With dead ends: 223 [2020-08-22 00:27:36,111 INFO L226 Difference]: Without dead ends: 143 [2020-08-22 00:27:36,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:27:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-22 00:27:36,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-08-22 00:27:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-22 00:27:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2020-08-22 00:27:36,169 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2020-08-22 00:27:36,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:36,169 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2020-08-22 00:27:36,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 00:27:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2020-08-22 00:27:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 00:27:36,172 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:36,172 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] [2020-08-22 00:27:36,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:27:36,172 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:36,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:36,173 INFO L82 PathProgramCache]: Analyzing trace with hash 699793598, now seen corresponding path program 1 times [2020-08-22 00:27:36,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:36,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911930934] [2020-08-22 00:27:36,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,486 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:36,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:27:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 00:27:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:36,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911930934] [2020-08-22 00:27:36,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:36,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 00:27:36,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485555185] [2020-08-22 00:27:36,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:27:36,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:36,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:27:36,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:27:36,579 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 8 states. [2020-08-22 00:27:36,943 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:37,266 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:37,499 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:37,757 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:38,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:38,876 INFO L93 Difference]: Finished difference Result 236 states and 289 transitions. [2020-08-22 00:27:38,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:27:38,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-22 00:27:38,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:38,879 INFO L225 Difference]: With dead ends: 236 [2020-08-22 00:27:38,879 INFO L226 Difference]: Without dead ends: 143 [2020-08-22 00:27:38,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:27:38,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-08-22 00:27:38,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 117. [2020-08-22 00:27:38,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-22 00:27:38,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2020-08-22 00:27:38,924 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2020-08-22 00:27:38,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:38,925 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2020-08-22 00:27:38,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:27:38,926 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2020-08-22 00:27:38,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-22 00:27:38,932 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:38,933 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] [2020-08-22 00:27:38,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:27:38,933 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:38,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:38,934 INFO L82 PathProgramCache]: Analyzing trace with hash -484120084, now seen corresponding path program 1 times [2020-08-22 00:27:38,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:38,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1202141363] [2020-08-22 00:27:38,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:39,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,335 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 00:27:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 00:27:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-22 00:27:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:39,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:39,457 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1202141363] [2020-08-22 00:27:39,457 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:39,457 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 00:27:39,458 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449776857] [2020-08-22 00:27:39,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:27:39,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:39,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:27:39,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:27:39,459 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 12 states. [2020-08-22 00:27:39,902 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:40,228 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:40,486 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:40,719 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:41,226 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 00:27:42,474 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:42,846 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:43,108 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:43,372 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-22 00:27:43,613 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:43,946 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:44,266 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-22 00:27:44,553 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 00:27:45,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:45,639 INFO L93 Difference]: Finished difference Result 458 states and 603 transitions. [2020-08-22 00:27:45,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 00:27:45,640 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 65 [2020-08-22 00:27:45,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:45,646 INFO L225 Difference]: With dead ends: 458 [2020-08-22 00:27:45,646 INFO L226 Difference]: Without dead ends: 365 [2020-08-22 00:27:45,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-22 00:27:45,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2020-08-22 00:27:45,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 292. [2020-08-22 00:27:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2020-08-22 00:27:45,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 346 transitions. [2020-08-22 00:27:45,725 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 346 transitions. Word has length 65 [2020-08-22 00:27:45,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:45,725 INFO L479 AbstractCegarLoop]: Abstraction has 292 states and 346 transitions. [2020-08-22 00:27:45,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:27:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 346 transitions. [2020-08-22 00:27:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-08-22 00:27:45,728 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:45,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:45,729 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:27:45,729 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:45,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1366686438, now seen corresponding path program 1 times [2020-08-22 00:27:45,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:45,730 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422492883] [2020-08-22 00:27:45,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,000 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-22 00:27:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 00:27:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-22 00:27:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 00:27:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:46,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:27:46,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422492883] [2020-08-22 00:27:46,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:27:46,099 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-22 00:27:46,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030928823] [2020-08-22 00:27:46,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 00:27:46,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:46,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 00:27:46,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:27:46,102 INFO L87 Difference]: Start difference. First operand 292 states and 346 transitions. Second operand 6 states. [2020-08-22 00:27:46,591 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:47,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:47,177 INFO L93 Difference]: Finished difference Result 459 states and 563 transitions. [2020-08-22 00:27:47,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 00:27:47,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-08-22 00:27:47,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:47,186 INFO L225 Difference]: With dead ends: 459 [2020-08-22 00:27:47,187 INFO L226 Difference]: Without dead ends: 191 [2020-08-22 00:27:47,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-22 00:27:47,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2020-08-22 00:27:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 178. [2020-08-22 00:27:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-08-22 00:27:47,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 195 transitions. [2020-08-22 00:27:47,228 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 195 transitions. Word has length 69 [2020-08-22 00:27:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:47,228 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 195 transitions. [2020-08-22 00:27:47,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 00:27:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 195 transitions. [2020-08-22 00:27:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 00:27:47,231 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:27:47,231 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:27:47,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:27:47,232 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:27:47,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:27:47,232 INFO L82 PathProgramCache]: Analyzing trace with hash -690184711, now seen corresponding path program 1 times [2020-08-22 00:27:47,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:27:47,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992577120] [2020-08-22 00:27:47,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:27:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,548 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:47,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:27:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 00:27:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:27:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:27:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 00:27:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-22 00:27:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:27:47,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-08-22 00:27:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:27:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 00:27:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 00:27:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 00:27:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 00:27:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 00:27:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:27:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 00:27:47,758 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992577120] [2020-08-22 00:27:47,759 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:27:47,759 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:27:47,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241383207] [2020-08-22 00:27:47,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:27:47,760 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:27:47,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:27:47,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:27:47,761 INFO L87 Difference]: Start difference. First operand 178 states and 195 transitions. Second operand 10 states. [2020-08-22 00:27:48,342 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-22 00:27:48,934 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 00:27:49,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:27:49,614 INFO L93 Difference]: Finished difference Result 240 states and 272 transitions. [2020-08-22 00:27:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:27:49,615 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-22 00:27:49,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:27:49,616 INFO L225 Difference]: With dead ends: 240 [2020-08-22 00:27:49,617 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:27:49,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-22 00:27:49,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:27:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:27:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:27:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:27:49,619 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2020-08-22 00:27:49,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:27:49,619 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:27:49,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:27:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:27:49,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:27:49,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:27:49,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:27:49,799 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 28 [2020-08-22 00:27:52,050 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-22 00:27:52,356 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:27:52,517 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:53,167 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-22 00:27:53,497 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 00:27:53,854 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-22 00:27:54,416 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-22 00:27:55,000 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-22 00:27:55,227 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 00:27:55,699 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-22 00:27:55,855 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:56,415 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 24 [2020-08-22 00:27:57,043 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-22 00:27:57,666 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 19 [2020-08-22 00:27:57,820 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:58,136 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:27:58,292 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-22 00:27:58,606 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:27:59,112 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:27:59,696 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-22 00:28:00,254 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-22 00:28:00,604 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:00,996 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-22 00:28:01,144 INFO L268 CegarLoopResult]: For program point L643-2(lines 643 664) no Hoare annotation was computed. [2020-08-22 00:28:01,145 INFO L268 CegarLoopResult]: For program point L665(lines 642 666) no Hoare annotation was computed. [2020-08-22 00:28:01,145 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 618 673) no Hoare annotation was computed. [2020-08-22 00:28:01,145 INFO L268 CegarLoopResult]: For program point L649(lines 649 653) no Hoare annotation was computed. [2020-08-22 00:28:01,145 INFO L268 CegarLoopResult]: For program point L649-1(lines 649 653) no Hoare annotation was computed. [2020-08-22 00:28:01,145 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 618 673) no Hoare annotation was computed. [2020-08-22 00:28:01,146 INFO L268 CegarLoopResult]: For program point L644(line 644) no Hoare annotation was computed. [2020-08-22 00:28:01,146 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 618 673) no Hoare annotation was computed. [2020-08-22 00:28:01,146 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 710) no Hoare annotation was computed. [2020-08-22 00:28:01,146 INFO L268 CegarLoopResult]: For program point L701(line 701) no Hoare annotation was computed. [2020-08-22 00:28:01,147 INFO L268 CegarLoopResult]: For program point L700-2(lines 700 725) no Hoare annotation was computed. [2020-08-22 00:28:01,147 INFO L268 CegarLoopResult]: For program point L726(lines 699 727) no Hoare annotation was computed. [2020-08-22 00:28:01,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 674 733) no Hoare annotation was computed. [2020-08-22 00:28:01,147 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-08-22 00:28:01,147 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 674 733) no Hoare annotation was computed. [2020-08-22 00:28:01,147 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-08-22 00:28:01,148 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 674 733) no Hoare annotation was computed. [2020-08-22 00:28:01,148 INFO L268 CegarLoopResult]: For program point L706(lines 706 710) no Hoare annotation was computed. [2020-08-22 00:28:01,148 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 157 163) the Hoare annotation is: true [2020-08-22 00:28:01,148 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 157 163) no Hoare annotation was computed. [2020-08-22 00:28:01,148 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-22 00:28:01,149 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 164 172) the Hoare annotation is: true [2020-08-22 00:28:01,149 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-22 00:28:01,149 INFO L268 CegarLoopResult]: For program point L546-1(line 546) no Hoare annotation was computed. [2020-08-22 00:28:01,149 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 540 564) the Hoare annotation is: true [2020-08-22 00:28:01,149 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 540 564) no Hoare annotation was computed. [2020-08-22 00:28:01,150 INFO L264 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,150 INFO L268 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-08-22 00:28:01,150 INFO L264 CegarLoopResult]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,150 INFO L268 CegarLoopResult]: For program point L550-1(line 550) no Hoare annotation was computed. [2020-08-22 00:28:01,150 INFO L268 CegarLoopResult]: For program point L548(lines 548 561) no Hoare annotation was computed. [2020-08-22 00:28:01,150 INFO L268 CegarLoopResult]: For program point L548-1(lines 540 564) no Hoare annotation was computed. [2020-08-22 00:28:01,151 INFO L271 CegarLoopResult]: At program point L546(line 546) the Hoare annotation is: true [2020-08-22 00:28:01,151 INFO L264 CegarLoopResult]: At program point L513(line 513) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,151 INFO L264 CegarLoopResult]: At program point L513-1(line 513) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,151 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 507 529) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,151 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 507 529) no Hoare annotation was computed. [2020-08-22 00:28:01,151 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 507 529) no Hoare annotation was computed. [2020-08-22 00:28:01,152 INFO L264 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,152 INFO L264 CegarLoopResult]: At program point L519-1(line 519) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~4 ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,152 INFO L268 CegarLoopResult]: For program point L517(lines 517 524) no Hoare annotation was computed. [2020-08-22 00:28:01,152 INFO L268 CegarLoopResult]: For program point L517-1(lines 517 524) no Hoare annotation was computed. [2020-08-22 00:28:01,152 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L264 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 466 489) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-08-22 00:28:01,153 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 466 489) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 466 489) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 00:28:01,154 INFO L268 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-08-22 00:28:01,155 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 00:28:01,155 INFO L268 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-08-22 00:28:01,155 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-22 00:28:01,155 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 294 302) no Hoare annotation was computed. [2020-08-22 00:28:01,155 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 294 302) the Hoare annotation is: true [2020-08-22 00:28:01,155 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 294 302) no Hoare annotation was computed. [2020-08-22 00:28:01,155 INFO L268 CegarLoopResult]: For program point L348(lines 348 352) no Hoare annotation was computed. [2020-08-22 00:28:01,156 INFO L271 CegarLoopResult]: At program point L346(line 346) the Hoare annotation is: true [2020-08-22 00:28:01,156 INFO L268 CegarLoopResult]: For program point L348-2(lines 348 352) no Hoare annotation was computed. [2020-08-22 00:28:01,156 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 339 357) the Hoare annotation is: true [2020-08-22 00:28:01,156 INFO L268 CegarLoopResult]: For program point L346-1(line 346) no Hoare annotation was computed. [2020-08-22 00:28:01,156 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 339 357) no Hoare annotation was computed. [2020-08-22 00:28:01,156 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 339 357) no Hoare annotation was computed. [2020-08-22 00:28:01,156 INFO L268 CegarLoopResult]: For program point L322-2(lines 322 330) no Hoare annotation was computed. [2020-08-22 00:28:01,156 INFO L268 CegarLoopResult]: For program point L310(lines 310 318) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point L310-2(lines 310 318) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 303 338) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point L333(line 333) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point L333-1(line 333) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 303 338) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 303 338) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point L322(lines 322 330) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 150 156) no Hoare annotation was computed. [2020-08-22 00:28:01,157 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 150 156) the Hoare annotation is: true [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 572 617) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 572 617) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 572 617) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 885 930) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 885 930) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point L905(lines 905 912) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 885 930) no Hoare annotation was computed. [2020-08-22 00:28:01,158 INFO L268 CegarLoopResult]: For program point L899(lines 899 919) no Hoare annotation was computed. [2020-08-22 00:28:01,159 INFO L268 CegarLoopResult]: For program point L899-1(lines 899 919) no Hoare annotation was computed. [2020-08-22 00:28:01,159 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 497 506) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,159 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 497 506) no Hoare annotation was computed. [2020-08-22 00:28:01,159 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 497 506) no Hoare annotation was computed. [2020-08-22 00:28:01,159 INFO L271 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: true [2020-08-22 00:28:01,159 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 283 293) the Hoare annotation is: true [2020-08-22 00:28:01,159 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-08-22 00:28:01,160 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 283 293) no Hoare annotation was computed. [2020-08-22 00:28:01,160 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 283 293) no Hoare annotation was computed. [2020-08-22 00:28:01,160 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 275 282) the Hoare annotation is: true [2020-08-22 00:28:01,160 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 275 282) no Hoare annotation was computed. [2020-08-22 00:28:01,160 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 275 282) no Hoare annotation was computed. [2020-08-22 00:28:01,160 INFO L264 CegarLoopResult]: At program point L256(line 256) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,160 INFO L264 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,161 INFO L268 CegarLoopResult]: For program point L250(lines 250 258) no Hoare annotation was computed. [2020-08-22 00:28:01,161 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,161 INFO L268 CegarLoopResult]: For program point L248-1(line 248) no Hoare annotation was computed. [2020-08-22 00:28:01,161 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 242 266) no Hoare annotation was computed. [2020-08-22 00:28:01,161 INFO L268 CegarLoopResult]: For program point L246(lines 246 263) no Hoare annotation was computed. [2020-08-22 00:28:01,161 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 242 266) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:01,161 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:01,162 INFO L268 CegarLoopResult]: For program point L261-1(lines 242 266) no Hoare annotation was computed. [2020-08-22 00:28:01,162 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 208 214) no Hoare annotation was computed. [2020-08-22 00:28:01,162 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 208 214) the Hoare annotation is: true [2020-08-22 00:28:01,162 INFO L264 CegarLoopResult]: At program point testENTRY(lines 368 433) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,162 INFO L268 CegarLoopResult]: For program point L380(lines 380 384) no Hoare annotation was computed. [2020-08-22 00:28:01,162 INFO L268 CegarLoopResult]: For program point testFINAL(lines 368 433) no Hoare annotation was computed. [2020-08-22 00:28:01,162 INFO L264 CegarLoopResult]: At program point L426(lines 377 427) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 00:28:01,162 INFO L268 CegarLoopResult]: For program point L416(lines 416 420) no Hoare annotation was computed. [2020-08-22 00:28:01,163 INFO L264 CegarLoopResult]: At program point L416-2(lines 408 421) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,163 INFO L268 CegarLoopResult]: For program point L379(lines 378 425) no Hoare annotation was computed. [2020-08-22 00:28:01,163 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,163 INFO L268 CegarLoopResult]: For program point L408(lines 408 421) no Hoare annotation was computed. [2020-08-22 00:28:01,163 INFO L264 CegarLoopResult]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,163 INFO L268 CegarLoopResult]: For program point L398(lines 398 404) no Hoare annotation was computed. [2020-08-22 00:28:01,164 INFO L268 CegarLoopResult]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2020-08-22 00:28:01,164 INFO L264 CegarLoopResult]: At program point L423(lines 378 425) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,164 INFO L264 CegarLoopResult]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,164 INFO L268 CegarLoopResult]: For program point L388(lines 388 394) no Hoare annotation was computed. [2020-08-22 00:28:01,164 INFO L268 CegarLoopResult]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2020-08-22 00:28:01,164 INFO L268 CegarLoopResult]: For program point testEXIT(lines 368 433) no Hoare annotation was computed. [2020-08-22 00:28:01,164 INFO L268 CegarLoopResult]: For program point L859(lines 859 866) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 839 884) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L268 CegarLoopResult]: For program point L853(lines 853 873) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 839 884) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L268 CegarLoopResult]: For program point L853-1(lines 853 873) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 839 884) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-22 00:28:01,165 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 140 149) no Hoare annotation was computed. [2020-08-22 00:28:01,166 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 140 149) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 140 149) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point L801-1(line 801) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 736 838) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point L760(lines 760 764) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point L824(lines 824 835) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-08-22 00:28:01,167 INFO L268 CegarLoopResult]: For program point L785-2(lines 785 805) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point L806(lines 784 807) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 736 838) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point L765(lines 765 781) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point L825(lines 825 832) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point L786(lines 785 805) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 736 838) no Hoare annotation was computed. [2020-08-22 00:28:01,168 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-22 00:28:01,169 INFO L268 CegarLoopResult]: For program point L817-1(line 817) no Hoare annotation was computed. [2020-08-22 00:28:01,169 INFO L268 CegarLoopResult]: For program point L782(lines 782 823) no Hoare annotation was computed. [2020-08-22 00:28:01,169 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,171 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#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~string17.offset| |old(#t~string17.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-22 00:28:01,171 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,171 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 267 274) no Hoare annotation was computed. [2020-08-22 00:28:01,172 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 267 274) no Hoare annotation was computed. [2020-08-22 00:28:01,172 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 267 274) no Hoare annotation was computed. [2020-08-22 00:28:01,172 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2020-08-22 00:28:01,172 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-22 00:28:01,172 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-22 00:28:01,172 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-22 00:28:01,172 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,173 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-22 00:28:01,174 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,174 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,174 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,174 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-22 00:28:01,174 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-22 00:28:01,174 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-22 00:28:01,175 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-22 00:28:01,175 INFO L268 CegarLoopResult]: For program point L188(lines 187 206) no Hoare annotation was computed. [2020-08-22 00:28:01,175 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 184 207) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 00:28:01,175 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 184 207) no Hoare annotation was computed. [2020-08-22 00:28:01,175 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 184 207) no Hoare annotation was computed. [2020-08-22 00:28:01,175 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 00:28:01,176 INFO L264 CegarLoopResult]: At program point L195(lines 195 201) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-22 00:28:01,176 INFO L271 CegarLoopResult]: At program point L450-1(lines 450 454) the Hoare annotation is: true [2020-08-22 00:28:01,176 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 436 465) no Hoare annotation was computed. [2020-08-22 00:28:01,176 INFO L268 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-08-22 00:28:01,176 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 436 465) the Hoare annotation is: true [2020-08-22 00:28:01,176 INFO L271 CegarLoopResult]: At program point L446-2(lines 446 460) the Hoare annotation is: true [2020-08-22 00:28:01,176 INFO L271 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: true [2020-08-22 00:28:01,177 INFO L268 CegarLoopResult]: For program point L442-1(line 442) no Hoare annotation was computed. [2020-08-22 00:28:01,177 INFO L271 CegarLoopResult]: At program point L461(lines 436 465) the Hoare annotation is: true [2020-08-22 00:28:01,177 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 00:28:01,177 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-08-22 00:28:01,177 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-22 00:28:01,177 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-22 00:28:01,177 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-22 00:28:01,177 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 490 496) no Hoare annotation was computed. [2020-08-22 00:28:01,178 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 490 496) the Hoare annotation is: true [2020-08-22 00:28:01,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,179 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-22 00:28:01,179 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:28:01,179 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:28:01,180 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 358 365) no Hoare annotation was computed. [2020-08-22 00:28:01,180 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 358 365) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:01,181 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 358 365) no Hoare annotation was computed. [2020-08-22 00:28:01,181 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-22 00:28:01,181 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-22 00:28:01,181 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-22 00:28:01,182 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 531 538) no Hoare annotation was computed. [2020-08-22 00:28:01,182 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 535) no Hoare annotation was computed. [2020-08-22 00:28:01,182 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 531 538) the Hoare annotation is: true [2020-08-22 00:28:01,182 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 531 538) no Hoare annotation was computed. [2020-08-22 00:28:01,182 INFO L268 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2020-08-22 00:28:01,182 INFO L264 CegarLoopResult]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,182 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 216 240) no Hoare annotation was computed. [2020-08-22 00:28:01,183 INFO L268 CegarLoopResult]: For program point L222-1(line 222) no Hoare annotation was computed. [2020-08-22 00:28:01,183 INFO L268 CegarLoopResult]: For program point L220(lines 220 237) no Hoare annotation was computed. [2020-08-22 00:28:01,183 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 216 240) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:01,183 INFO L264 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-22 00:28:01,183 INFO L268 CegarLoopResult]: For program point L235-1(lines 216 240) no Hoare annotation was computed. [2020-08-22 00:28:01,183 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,184 INFO L264 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-22 00:28:01,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:28:01 BoogieIcfgContainer [2020-08-22 00:28:01,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:28:01,208 INFO L168 Benchmark]: Toolchain (without parser) took 31063.37 ms. Allocated memory was 142.1 MB in the beginning and 622.3 MB in the end (delta: 480.2 MB). Free memory was 104.0 MB in the beginning and 551.8 MB in the end (delta: -447.8 MB). Peak memory consumption was 492.0 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:01,209 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 00:28:01,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.81 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 103.7 MB in the beginning and 171.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:01,211 INFO L168 Benchmark]: Boogie Preprocessor took 121.59 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 166.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:01,212 INFO L168 Benchmark]: RCFGBuilder took 1224.87 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 166.8 MB in the beginning and 190.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:01,213 INFO L168 Benchmark]: TraceAbstraction took 29008.54 ms. Allocated memory was 233.8 MB in the beginning and 622.3 MB in the end (delta: 388.5 MB). Free memory was 188.7 MB in the beginning and 551.8 MB in the end (delta: -363.0 MB). Peak memory consumption was 485.0 MB. Max. memory is 7.1 GB. [2020-08-22 00:28:01,216 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.81 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 103.7 MB in the beginning and 171.2 MB in the end (delta: -67.5 MB). Peak memory consumption was 23.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 121.59 ms. Allocated memory is still 204.5 MB. Free memory was 170.6 MB in the beginning and 166.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1224.87 ms. Allocated memory was 204.5 MB in the beginning and 233.8 MB in the end (delta: 29.4 MB). Free memory was 166.8 MB in the beginning and 190.1 MB in the end (delta: -23.2 MB). Peak memory consumption was 77.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 29008.54 ms. Allocated memory was 233.8 MB in the beginning and 622.3 MB in the end (delta: 388.5 MB). Free memory was 188.7 MB in the beginning and 551.8 MB in the end (delta: -363.0 MB). Peak memory consumption was 485.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 535]: 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: 377]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 446]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 436]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 378]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 228 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 591 SDtfs, 1251 SDslu, 411 SDs, 0 SdLazy, 2693 SolverSat, 842 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 130 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 171 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 424 PreInvPairs, 447 NumberOfFragments, 1237 HoareAnnotationTreeSize, 424 FomulaSimplifications, 51155 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 59 FomulaSimplificationsInter, 9778 FormulaSimplificationTreeSizeReductionInter, 9.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 389 NumberOfCodeBlocks, 389 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 383 ConstructedInterpolants, 0 QuantifiedInterpolants, 121684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 30/37 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...