/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:00:29,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 12:00:29,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 12:00:29,739 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 12:00:29,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 12:00:29,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 12:00:29,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 12:00:29,743 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 12:00:29,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 12:00:29,745 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 12:00:29,746 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 12:00:29,747 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 12:00:29,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:00:29,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:00:29,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:00:29,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:00:29,751 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:00:29,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:00:29,757 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:00:29,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:00:29,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:00:29,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:00:29,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:00:29,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:00:29,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 12:00:29,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 12:00:29,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 12:00:29,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 12:00:29,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 12:00:29,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 12:00:29,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 12:00:29,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 12:00:29,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 12:00:29,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 12:00:29,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 12:00:29,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 12:00:29,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 12:00:29,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 12:00:29,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:00:29,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:00:29,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:00:29,775 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 12:00:29,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:00:29,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:00:29,799 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:00:29,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:00:29,800 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:00:29,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:00:29,800 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:00:29,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:00:29,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:00:29,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:00:29,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:00:29,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:00:29,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:00:29,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:00:29,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:00:29,802 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:00:29,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:00:29,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:00:29,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:00:29,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:00:29,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:00:29,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:00:29,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:00:29,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:00:29,804 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:00:29,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:00:29,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:00:29,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:00:29,804 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:00:29,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 12:00:30,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:00:30,113 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:00:30,117 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:00:30,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:00:30,119 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:00:30,120 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-08-18 12:00:30,184 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e5f4ac28/b210d9795ea4408d84a0adaaee08a1fa/FLAGcde6519a3 [2020-08-18 12:00:30,711 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:00:30,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product32.cil.c [2020-08-18 12:00:30,724 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e5f4ac28/b210d9795ea4408d84a0adaaee08a1fa/FLAGcde6519a3 [2020-08-18 12:00:31,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6e5f4ac28/b210d9795ea4408d84a0adaaee08a1fa [2020-08-18 12:00:31,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:00:31,019 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:00:31,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:00:31,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:00:31,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:00:31,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bbc2ce6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31, skipping insertion in model container [2020-08-18 12:00:31,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:00:31,085 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:00:31,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:00:31,526 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:00:31,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:00:31,664 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:00:31,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31 WrapperNode [2020-08-18 12:00:31,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:00:31,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:00:31,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:00:31,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:00:31,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... [2020-08-18 12:00:31,768 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:00:31,769 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:00:31,769 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:00:31,769 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:00:31,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:00:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:00:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:00:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 12:00:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-18 12:00:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 12:00:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 12:00:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 12:00:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 12:00:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 12:00:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 12:00:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 12:00:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 12:00:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 12:00:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:00:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 12:00:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 12:00:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 12:00:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 12:00:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 12:00:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 12:00:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 12:00:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 12:00:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 12:00:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 12:00:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 12:00:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 12:00:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 12:00:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 12:00:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 12:00:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:00:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 12:00:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 12:00:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 12:00:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 12:00:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 12:00:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 12:00:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 12:00:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:00:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 12:00:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 12:00:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 12:00:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 12:00:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 12:00:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 12:00:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 12:00:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 12:00:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 12:00:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 12:00:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 12:00:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 12:00:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 12:00:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 12:00:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 12:00:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 12:00:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-18 12:00:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 12:00:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 12:00:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:00:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 12:00:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:00:32,841 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:00:32,842 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 12:00:32,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:00:32 BoogieIcfgContainer [2020-08-18 12:00:32,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:00:32,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:00:32,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:00:32,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:00:32,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:00:31" (1/3) ... [2020-08-18 12:00:32,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0e108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:00:32, skipping insertion in model container [2020-08-18 12:00:32,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:00:31" (2/3) ... [2020-08-18 12:00:32,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f0e108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:00:32, skipping insertion in model container [2020-08-18 12:00:32,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:00:32" (3/3) ... [2020-08-18 12:00:32,860 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2020-08-18 12:00:32,870 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:00:32,878 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:00:32,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:00:32,916 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:00:32,916 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:00:32,917 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:00:32,917 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:00:32,917 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:00:32,917 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:00:32,917 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:00:32,918 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:00:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-08-18 12:00:32,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 12:00:32,950 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:32,951 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] [2020-08-18 12:00:32,951 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:32,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:32,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1393146994, now seen corresponding path program 1 times [2020-08-18 12:00:32,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:32,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1867817157] [2020-08-18 12:00:32,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:33,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,589 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:33,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 12:00:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 12:00:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:33,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:33,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1867817157] [2020-08-18 12:00:33,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:33,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 12:00:33,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945982543] [2020-08-18 12:00:33,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 12:00:33,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:33,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 12:00:33,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 12:00:33,731 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 3 states. [2020-08-18 12:00:34,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:34,993 INFO L93 Difference]: Finished difference Result 308 states and 403 transitions. [2020-08-18 12:00:34,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 12:00:34,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 12:00:34,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:35,011 INFO L225 Difference]: With dead ends: 308 [2020-08-18 12:00:35,011 INFO L226 Difference]: Without dead ends: 167 [2020-08-18 12:00:35,016 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 [2020-08-18 12:00:35,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2020-08-18 12:00:35,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 132. [2020-08-18 12:00:35,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-08-18 12:00:35,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2020-08-18 12:00:35,120 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2020-08-18 12:00:35,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:35,123 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2020-08-18 12:00:35,123 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 12:00:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2020-08-18 12:00:35,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 12:00:35,131 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:35,131 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] [2020-08-18 12:00:35,132 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:00:35,132 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:35,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1814082405, now seen corresponding path program 1 times [2020-08-18 12:00:35,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:35,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [393599229] [2020-08-18 12:00:35,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,511 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:35,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 12:00:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 12:00:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:35,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:35,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [393599229] [2020-08-18 12:00:35,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:35,562 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 12:00:35,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113234401] [2020-08-18 12:00:35,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 12:00:35,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:35,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 12:00:35,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 12:00:35,565 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 4 states. [2020-08-18 12:00:35,991 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 12:00:36,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:36,849 INFO L93 Difference]: Finished difference Result 231 states and 282 transitions. [2020-08-18 12:00:36,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:00:36,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 12:00:36,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:36,853 INFO L225 Difference]: With dead ends: 231 [2020-08-18 12:00:36,853 INFO L226 Difference]: Without dead ends: 151 [2020-08-18 12:00:36,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:00:36,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2020-08-18 12:00:36,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2020-08-18 12:00:36,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-08-18 12:00:36,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2020-08-18 12:00:36,901 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2020-08-18 12:00:36,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:36,901 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2020-08-18 12:00:36,901 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 12:00:36,902 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2020-08-18 12:00:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 12:00:36,904 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:36,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:36,904 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:00:36,905 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:36,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:36,905 INFO L82 PathProgramCache]: Analyzing trace with hash -947171688, now seen corresponding path program 1 times [2020-08-18 12:00:36,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:36,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615935653] [2020-08-18 12:00:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,238 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:37,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 12:00:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 12:00:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:37,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:37,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615935653] [2020-08-18 12:00:37,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:37,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 12:00:37,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429531994] [2020-08-18 12:00:37,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:00:37,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:37,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:00:37,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:00:37,362 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 8 states. [2020-08-18 12:00:37,740 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:38,073 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:38,349 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:38,596 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:39,365 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 12:00:41,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:41,234 INFO L93 Difference]: Finished difference Result 424 states and 526 transitions. [2020-08-18 12:00:41,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 12:00:41,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 12:00:41,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:41,243 INFO L225 Difference]: With dead ends: 424 [2020-08-18 12:00:41,243 INFO L226 Difference]: Without dead ends: 325 [2020-08-18 12:00:41,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 12:00:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-08-18 12:00:41,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 260. [2020-08-18 12:00:41,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2020-08-18 12:00:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2020-08-18 12:00:41,335 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2020-08-18 12:00:41,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:41,335 INFO L479 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2020-08-18 12:00:41,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:00:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2020-08-18 12:00:41,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 12:00:41,338 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:41,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:41,339 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:00:41,339 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:41,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:41,340 INFO L82 PathProgramCache]: Analyzing trace with hash -306167776, now seen corresponding path program 1 times [2020-08-18 12:00:41,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:41,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442236831] [2020-08-18 12:00:41,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,687 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:41,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 12:00:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 12:00:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 12:00:41,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:41,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:41,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442236831] [2020-08-18 12:00:41,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:41,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-18 12:00:41,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350971712] [2020-08-18 12:00:41,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 12:00:41,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:41,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 12:00:41,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:00:41,850 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 12 states. [2020-08-18 12:00:42,270 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:42,595 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:42,859 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:43,139 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:43,663 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 12:00:44,445 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:44,839 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:45,136 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:45,432 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 12:00:45,716 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:46,163 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:46,516 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 12:00:46,897 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 12:00:48,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:48,204 INFO L93 Difference]: Finished difference Result 1047 states and 1392 transitions. [2020-08-18 12:00:48,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 12:00:48,205 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 57 [2020-08-18 12:00:48,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:48,213 INFO L225 Difference]: With dead ends: 1047 [2020-08-18 12:00:48,213 INFO L226 Difference]: Without dead ends: 811 [2020-08-18 12:00:48,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-18 12:00:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-08-18 12:00:48,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 706. [2020-08-18 12:00:48,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2020-08-18 12:00:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 874 transitions. [2020-08-18 12:00:48,391 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 874 transitions. Word has length 57 [2020-08-18 12:00:48,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:48,392 INFO L479 AbstractCegarLoop]: Abstraction has 706 states and 874 transitions. [2020-08-18 12:00:48,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 12:00:48,392 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 874 transitions. [2020-08-18 12:00:48,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 12:00:48,396 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:48,397 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] [2020-08-18 12:00:48,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:00:48,397 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:48,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:48,398 INFO L82 PathProgramCache]: Analyzing trace with hash -714386778, now seen corresponding path program 1 times [2020-08-18 12:00:48,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:48,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1903713928] [2020-08-18 12:00:48,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,647 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:48,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:48,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 12:00:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-18 12:00:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 12:00:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 12:00:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:00:48,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1903713928] [2020-08-18 12:00:48,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:00:48,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 12:00:48,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892206899] [2020-08-18 12:00:48,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 12:00:48,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:48,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 12:00:48,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:00:48,744 INFO L87 Difference]: Start difference. First operand 706 states and 874 transitions. Second operand 6 states. [2020-08-18 12:00:49,076 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:49,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:49,784 INFO L93 Difference]: Finished difference Result 1181 states and 1540 transitions. [2020-08-18 12:00:49,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:00:49,785 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2020-08-18 12:00:49,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:49,789 INFO L225 Difference]: With dead ends: 1181 [2020-08-18 12:00:49,789 INFO L226 Difference]: Without dead ends: 499 [2020-08-18 12:00:49,792 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-08-18 12:00:49,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2020-08-18 12:00:49,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 432. [2020-08-18 12:00:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-08-18 12:00:49,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 491 transitions. [2020-08-18 12:00:49,874 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 491 transitions. Word has length 61 [2020-08-18 12:00:49,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:49,875 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 491 transitions. [2020-08-18 12:00:49,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 12:00:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 491 transitions. [2020-08-18 12:00:49,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-18 12:00:49,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:00:49,878 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:00:49,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:00:49,879 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:00:49,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:00:49,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1764824326, now seen corresponding path program 1 times [2020-08-18 12:00:49,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:00:49,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2077912793] [2020-08-18 12:00:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:00:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,228 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:00:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:00:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 12:00:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 12:00:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 12:00:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 12:00:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-18 12:00:50,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 12:00:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 12:00:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 12:00:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-18 12:00:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-18 12:00:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-18 12:00:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 12:00:50,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:00:50,355 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 12:00:50,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2077912793] [2020-08-18 12:00:50,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:00:50,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 12:00:50,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944236847] [2020-08-18 12:00:50,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 12:00:50,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:00:50,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 12:00:50,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-08-18 12:00:50,357 INFO L87 Difference]: Start difference. First operand 432 states and 491 transitions. Second operand 10 states. [2020-08-18 12:00:51,006 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-18 12:00:51,596 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 12:00:52,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:00:52,640 INFO L93 Difference]: Finished difference Result 605 states and 715 transitions. [2020-08-18 12:00:52,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 12:00:52,641 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-08-18 12:00:52,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:00:52,642 INFO L225 Difference]: With dead ends: 605 [2020-08-18 12:00:52,642 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 12:00:52,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2020-08-18 12:00:52,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 12:00:52,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 12:00:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 12:00:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 12:00:52,646 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-18 12:00:52,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:00:52,646 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 12:00:52,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 12:00:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 12:00:52,646 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 12:00:52,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:00:52,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 12:00:52,978 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2020-08-18 12:00:53,462 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-08-18 12:00:53,804 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 241 [2020-08-18 12:00:57,294 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 12:00:57,657 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:00:57,902 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-18 12:00:58,305 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-08-18 12:00:58,926 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 12:00:59,217 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-08-18 12:00:59,790 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 22 [2020-08-18 12:01:00,225 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-18 12:01:00,666 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 12:01:00,878 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 12:01:01,286 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-18 12:01:01,948 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 21 [2020-08-18 12:01:02,098 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 12:01:02,767 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-18 12:01:03,487 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-18 12:01:03,636 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 12:01:04,258 WARN L193 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 12:01:04,502 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 22 [2020-08-18 12:01:04,945 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:01:05,318 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:01:05,462 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-18 12:01:06,050 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-08-18 12:01:06,411 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:01:06,689 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-08-18 12:01:07,098 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:01:07,345 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-08-18 12:01:07,893 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-08-18 12:01:08,357 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-18 12:01:08,858 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 21 [2020-08-18 12:01:08,896 INFO L268 CegarLoopResult]: For program point L387-2(lines 387 408) no Hoare annotation was computed. [2020-08-18 12:01:08,897 INFO L268 CegarLoopResult]: For program point L409(lines 386 410) no Hoare annotation was computed. [2020-08-18 12:01:08,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 362 417) no Hoare annotation was computed. [2020-08-18 12:01:08,897 INFO L268 CegarLoopResult]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-08-18 12:01:08,897 INFO L268 CegarLoopResult]: For program point L393-1(lines 393 397) no Hoare annotation was computed. [2020-08-18 12:01:08,897 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 362 417) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point L388(line 388) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 362 417) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point L450-1(lines 450 454) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point L444-2(lines 444 469) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point L470(lines 443 471) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 418 477) no Hoare annotation was computed. [2020-08-18 12:01:08,898 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-18 12:01:08,899 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 418 477) no Hoare annotation was computed. [2020-08-18 12:01:08,899 INFO L268 CegarLoopResult]: For program point L463-1(line 463) no Hoare annotation was computed. [2020-08-18 12:01:08,899 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 418 477) no Hoare annotation was computed. [2020-08-18 12:01:08,899 INFO L268 CegarLoopResult]: For program point L450(lines 450 454) no Hoare annotation was computed. [2020-08-18 12:01:08,899 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-08-18 12:01:08,899 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-08-18 12:01:08,900 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-08-18 12:01:08,900 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-08-18 12:01:08,900 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-08-18 12:01:08,900 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-08-18 12:01:08,900 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 12:01:08,900 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-08-18 12:01:08,901 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 12:01:08,901 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-08-18 12:01:08,901 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-08-18 12:01:08,901 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-08-18 12:01:08,901 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-08-18 12:01:08,901 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-08-18 12:01:08,901 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-08-18 12:01:08,901 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 193 215) 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))) [2020-08-18 12:01:08,902 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2020-08-18 12:01:08,902 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 12:01:08,902 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2020-08-18 12:01:08,902 INFO L264 CegarLoopResult]: At program point L205-1(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= main_~tmp~1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 12:01:08,902 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-18 12:01:08,902 INFO L268 CegarLoopResult]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2020-08-18 12:01:08,903 INFO L268 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-08-18 12:01:08,903 INFO L264 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:01:08,903 INFO L264 CegarLoopResult]: At program point L199(line 199) 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))) [2020-08-18 12:01:08,903 INFO L264 CegarLoopResult]: At program point L199-1(line 199) 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))) [2020-08-18 12:01:08,903 INFO L268 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-08-18 12:01:08,903 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 151 174) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 151 174) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 151 174) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-08-18 12:01:08,904 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-18 12:01:08,905 INFO L268 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-08-18 12:01:08,905 INFO L264 CegarLoopResult]: At program point L734(line 734) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 12:01:08,905 INFO L268 CegarLoopResult]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2020-08-18 12:01:08,905 INFO L264 CegarLoopResult]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:01:08,905 INFO L264 CegarLoopResult]: At program point L725(line 725) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:01:08,905 INFO L268 CegarLoopResult]: For program point L723(lines 723 731) no Hoare annotation was computed. [2020-08-18 12:01:08,905 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:01:08,905 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 12:01:08,905 INFO L268 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point L719(lines 719 736) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L264 CegarLoopResult]: At program point L880(line 880) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point L878(lines 878 884) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2020-08-18 12:01:08,906 INFO L268 CegarLoopResult]: For program point L864(lines 864 868) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L271 CegarLoopResult]: At program point L862(line 862) the Hoare annotation is: true [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point L862-1(line 862) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point L826(lines 826 834) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point L826-2(lines 826 834) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point L849(line 849) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-08-18 12:01:08,907 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 819 854) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 819 854) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point L838(lines 838 846) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point L838-2(lines 838 846) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 819 854) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 316 361) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 316 361) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 316 361) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 629 674) no Hoare annotation was computed. [2020-08-18 12:01:08,908 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 629 674) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point L649(lines 649 656) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 629 674) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point L643(lines 643 663) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point L643-1(lines 643 663) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 183 192) 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))) [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L271 CegarLoopResult]: At program point L804(line 804) the Hoare annotation is: true [2020-08-18 12:01:08,909 INFO L268 CegarLoopResult]: For program point L804-1(line 804) no Hoare annotation was computed. [2020-08-18 12:01:08,909 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2020-08-18 12:01:08,910 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2020-08-18 12:01:08,910 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2020-08-18 12:01:08,910 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 12:01:08,910 INFO L268 CegarLoopResult]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2020-08-18 12:01:08,910 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2020-08-18 12:01:08,910 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse1 .cse0 .cse2))) [2020-08-18 12:01:08,910 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:01:08,910 INFO L264 CegarLoopResult]: At program point L751(line 751) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:01:08,910 INFO L268 CegarLoopResult]: For program point L749(lines 749 757) no Hoare annotation was computed. [2020-08-18 12:01:08,911 INFO L264 CegarLoopResult]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-18 12:01:08,911 INFO L268 CegarLoopResult]: For program point L747-1(line 747) no Hoare annotation was computed. [2020-08-18 12:01:08,911 INFO L268 CegarLoopResult]: For program point L745(lines 745 762) no Hoare annotation was computed. [2020-08-18 12:01:08,911 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2020-08-18 12:01:08,911 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2020-08-18 12:01:08,911 INFO L264 CegarLoopResult]: At program point testENTRY(lines 898 965) 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))) [2020-08-18 12:01:08,911 INFO L264 CegarLoopResult]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 12:01:08,911 INFO L268 CegarLoopResult]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2020-08-18 12:01:08,911 INFO L264 CegarLoopResult]: At program point L948(line 948) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 12:01:08,911 INFO L268 CegarLoopResult]: For program point L946(lines 946 952) no Hoare annotation was computed. [2020-08-18 12:01:08,911 INFO L264 CegarLoopResult]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L909(lines 908 957) no Hoare annotation was computed. [2020-08-18 12:01:08,912 INFO L264 CegarLoopResult]: At program point L940(line 940) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L938(lines 938 953) no Hoare annotation was computed. [2020-08-18 12:01:08,912 INFO L264 CegarLoopResult]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L928(lines 928 934) no Hoare annotation was computed. [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2020-08-18 12:01:08,912 INFO L264 CegarLoopResult]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 12:01:08,912 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2020-08-18 12:01:08,912 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point L603(lines 603 610) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 583 628) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point L597(lines 597 617) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 583 628) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point L597-1(lines 597 617) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 583 628) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 766 773) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 766 773) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 766 773) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2020-08-18 12:01:08,913 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 268 290) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 268 290) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 268 290) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point L276(lines 276 284) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point L276-2(lines 276 284) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 480 582) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point L504(lines 504 508) no Hoare annotation was computed. [2020-08-18 12:01:08,914 INFO L268 CegarLoopResult]: For program point L568(lines 568 579) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L531(lines 531 535) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L529-2(lines 529 549) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L550(lines 528 551) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 480 582) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L509(lines 509 525) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L569(lines 569 576) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L530(lines 529 549) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 480 582) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-08-18 12:01:08,915 INFO L268 CegarLoopResult]: For program point L561-1(line 561) no Hoare annotation was computed. [2020-08-18 12:01:08,916 INFO L268 CegarLoopResult]: For program point L526(lines 526 567) no Hoare annotation was computed. [2020-08-18 12:01:08,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,916 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 12:01:08,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,916 INFO L268 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-08-18 12:01:08,916 INFO L268 CegarLoopResult]: For program point L785-1(lines 774 790) no Hoare annotation was computed. [2020-08-18 12:01:08,916 INFO L268 CegarLoopResult]: For program point L781(lines 781 787) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 774 790) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L268 CegarLoopResult]: For program point L779(line 779) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 774 790) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2020-08-18 12:01:08,917 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2020-08-18 12:01:08,917 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 12:01:08,918 INFO L268 CegarLoopResult]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2020-08-18 12:01:08,918 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2020-08-18 12:01:08,918 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,918 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,918 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,918 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~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))) [2020-08-18 12:01:08,918 INFO L264 CegarLoopResult]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 12:01:08,918 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-18 12:01:08,919 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1))) [2020-08-18 12:01:08,919 INFO L268 CegarLoopResult]: For program point L687(lines 686 705) no Hoare annotation was computed. [2020-08-18 12:01:08,919 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2020-08-18 12:01:08,919 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2020-08-18 12:01:08,919 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-08-18 12:01:08,919 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2020-08-18 12:01:08,919 INFO L271 CegarLoopResult]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2020-08-18 12:01:08,919 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2020-08-18 12:01:08,920 INFO L271 CegarLoopResult]: At program point L124(line 124) the Hoare annotation is: true [2020-08-18 12:01:08,920 INFO L268 CegarLoopResult]: For program point L124-1(line 124) no Hoare annotation was computed. [2020-08-18 12:01:08,920 INFO L271 CegarLoopResult]: At program point L143(lines 118 147) the Hoare annotation is: true [2020-08-18 12:01:08,920 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-18 12:01:08,920 INFO L268 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2020-08-18 12:01:08,920 INFO L271 CegarLoopResult]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2020-08-18 12:01:08,920 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2020-08-18 12:01:08,920 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2020-08-18 12:01:08,921 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2020-08-18 12:01:08,921 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2020-08-18 12:01:08,921 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2020-08-18 12:01:08,921 INFO L268 CegarLoopResult]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2020-08-18 12:01:08,921 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2020-08-18 12:01:08,921 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2020-08-18 12:01:08,921 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,921 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-18 12:01:08,921 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2020-08-18 12:01:08,922 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2020-08-18 12:01:08,922 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2020-08-18 12:01:08,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:01:08 BoogieIcfgContainer [2020-08-18 12:01:08,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:01:08,939 INFO L168 Benchmark]: Toolchain (without parser) took 37921.07 ms. Allocated memory was 140.5 MB in the beginning and 713.6 MB in the end (delta: 573.0 MB). Free memory was 101.8 MB in the beginning and 563.0 MB in the end (delta: -461.1 MB). Peak memory consumption was 588.1 MB. Max. memory is 7.1 GB. [2020-08-18 12:01:08,940 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 12:01:08,941 INFO L168 Benchmark]: CACSL2BoogieTranslator took 646.31 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 172.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-08-18 12:01:08,942 INFO L168 Benchmark]: Boogie Preprocessor took 101.79 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 12:01:08,942 INFO L168 Benchmark]: RCFGBuilder took 1083.34 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.9 MB in the beginning and 196.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-18 12:01:08,943 INFO L168 Benchmark]: TraceAbstraction took 36084.70 ms. Allocated memory was 237.5 MB in the beginning and 713.6 MB in the end (delta: 476.1 MB). Free memory was 195.5 MB in the beginning and 563.0 MB in the end (delta: -367.5 MB). Peak memory consumption was 584.8 MB. Max. memory is 7.1 GB. [2020-08-18 12:01:08,947 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 646.31 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.4 MB in the beginning and 172.9 MB in the end (delta: -71.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.79 ms. Allocated memory is still 203.9 MB. Free memory was 172.9 MB in the beginning and 167.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1083.34 ms. Allocated memory was 203.9 MB in the beginning and 237.5 MB in the end (delta: 33.6 MB). Free memory was 167.9 MB in the beginning and 196.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36084.70 ms. Allocated memory was 237.5 MB in the beginning and 713.6 MB in the end (delta: 476.1 MB). Free memory was 195.5 MB in the beginning and 563.0 MB in the end (delta: -367.5 MB). Peak memory consumption was 584.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 241 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.7s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 16.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 16.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 675 SDtfs, 1619 SDslu, 629 SDs, 0 SdLazy, 3331 SolverSat, 1127 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 182 GetRequests, 116 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=706occurred 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: 0.4s AutomataMinimizationTime, 6 MinimizatonAttempts, 300 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 838 PreInvPairs, 906 NumberOfFragments, 1208 HoareAnnotationTreeSize, 838 FomulaSimplifications, 172029 FormulaSimplificationTreeSizeReduction, 3.9s HoareSimplificationTime, 62 FomulaSimplificationsInter, 25839 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 106070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 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...