/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 16:02:00,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 16:02:00,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 16:02:00,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 16:02:00,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 16:02:00,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 16:02:00,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 16:02:00,750 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 16:02:00,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 16:02:00,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 16:02:00,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 16:02:00,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 16:02:00,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 16:02:00,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 16:02:00,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 16:02:00,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 16:02:00,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 16:02:00,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 16:02:00,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 16:02:00,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 16:02:00,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 16:02:00,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 16:02:00,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 16:02:00,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 16:02:00,769 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 16:02:00,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 16:02:00,770 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 16:02:00,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 16:02:00,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 16:02:00,772 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 16:02:00,772 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 16:02:00,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 16:02:00,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 16:02:00,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 16:02:00,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 16:02:00,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 16:02:00,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 16:02:00,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 16:02:00,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 16:02:00,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 16:02:00,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 16:02:00,781 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 16:02:00,806 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 16:02:00,806 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 16:02:00,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 16:02:00,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 16:02:00,808 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 16:02:00,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 16:02:00,808 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 16:02:00,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 16:02:00,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 16:02:00,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 16:02:00,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 16:02:00,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 16:02:00,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 16:02:00,809 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 16:02:00,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 16:02:00,810 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 16:02:00,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 16:02:00,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 16:02:00,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 16:02:00,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 16:02:00,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 16:02:00,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 16:02:00,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 16:02:00,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 16:02:00,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 16:02:00,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 16:02:00,812 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 16:02:00,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 16:02:00,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 16:02:00,812 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 [2020-08-18 16:02:01,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 16:02:01,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 16:02:01,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 16:02:01,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 16:02:01,140 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 16:02:01,141 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-08-18 16:02:01,199 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2acb2f502/564b8f5e9d124ab491eea05253773ca9/FLAG7ac04544a [2020-08-18 16:02:01,686 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 16:02:01,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product20.cil.c [2020-08-18 16:02:01,701 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2acb2f502/564b8f5e9d124ab491eea05253773ca9/FLAG7ac04544a [2020-08-18 16:02:02,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2acb2f502/564b8f5e9d124ab491eea05253773ca9 [2020-08-18 16:02:02,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 16:02:02,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 16:02:02,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 16:02:02,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 16:02:02,066 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 16:02:02,067 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32c8b7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02, skipping insertion in model container [2020-08-18 16:02:02,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,077 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 16:02:02,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 16:02:02,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:02:02,577 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 16:02:02,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 16:02:02,681 INFO L208 MainTranslator]: Completed translation [2020-08-18 16:02:02,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02 WrapperNode [2020-08-18 16:02:02,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 16:02:02,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 16:02:02,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 16:02:02,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 16:02:02,695 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (1/1) ... [2020-08-18 16:02:02,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 16:02:02,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 16:02:02,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 16:02:02,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 16:02:02,781 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (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 16:02:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 16:02:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 16:02:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 16:02:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 16:02:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 16:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 16:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 16:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 16:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 16:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 16:02:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 16:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 16:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 16:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 16:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 16:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 16:02:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 16:02:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 16:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 16:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 16:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 16:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 16:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 16:02:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 16:02:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 16:02:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 16:02:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:02:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 16:02:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 16:02:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 16:02:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 16:02:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 16:02:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-18 16:02:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 16:02:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 16:02:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 16:02:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 16:02:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 16:02:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 16:02:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 16:02:02,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 16:02:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 16:02:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 16:02:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 16:02:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 16:02:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 16:02:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 16:02:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 16:02:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 16:02:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 16:02:03,955 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 16:02:03,956 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 16:02:03,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:02:03 BoogieIcfgContainer [2020-08-18 16:02:03,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 16:02:03,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 16:02:03,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 16:02:03,970 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 16:02:03,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 04:02:02" (1/3) ... [2020-08-18 16:02:03,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a93c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:02:03, skipping insertion in model container [2020-08-18 16:02:03,972 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 04:02:02" (2/3) ... [2020-08-18 16:02:03,972 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@791a93c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 04:02:03, skipping insertion in model container [2020-08-18 16:02:03,973 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 04:02:03" (3/3) ... [2020-08-18 16:02:03,974 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20.cil.c [2020-08-18 16:02:03,985 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 16:02:03,995 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 16:02:04,008 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 16:02:04,038 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 16:02:04,039 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 16:02:04,039 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 16:02:04,039 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 16:02:04,039 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 16:02:04,040 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 16:02:04,040 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 16:02:04,040 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 16:02:04,063 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states. [2020-08-18 16:02:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 16:02:04,072 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:04,073 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 16:02:04,074 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:04,078 INFO L82 PathProgramCache]: Analyzing trace with hash -2002333427, now seen corresponding path program 1 times [2020-08-18 16:02:04,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:04,087 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755662903] [2020-08-18 16:02:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,776 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:04,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 16:02:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:02:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:04,908 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 16:02:04,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755662903] [2020-08-18 16:02:04,911 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:04,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 16:02:04,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224311011] [2020-08-18 16:02:04,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 16:02:04,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:04,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 16:02:04,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:02:04,932 INFO L87 Difference]: Start difference. First operand 160 states. Second operand 3 states. [2020-08-18 16:02:05,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:05,956 INFO L93 Difference]: Finished difference Result 270 states and 356 transitions. [2020-08-18 16:02:05,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 16:02:05,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 16:02:05,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:05,973 INFO L225 Difference]: With dead ends: 270 [2020-08-18 16:02:05,974 INFO L226 Difference]: Without dead ends: 147 [2020-08-18 16:02:05,979 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 16:02:05,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-18 16:02:06,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 114. [2020-08-18 16:02:06,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 16:02:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-08-18 16:02:06,084 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2020-08-18 16:02:06,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:06,085 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-08-18 16:02:06,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 16:02:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-08-18 16:02:06,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 16:02:06,091 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:06,092 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 16:02:06,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 16:02:06,092 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:06,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:06,093 INFO L82 PathProgramCache]: Analyzing trace with hash -736950579, now seen corresponding path program 1 times [2020-08-18 16:02:06,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:06,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1787966957] [2020-08-18 16:02:06,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,459 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:06,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:02:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 16:02:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:06,527 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 16:02:06,527 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1787966957] [2020-08-18 16:02:06,527 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:06,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 16:02:06,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750306062] [2020-08-18 16:02:06,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 16:02:06,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:06,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 16:02:06,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 16:02:06,531 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 4 states. [2020-08-18 16:02:06,978 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:02:07,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:07,614 INFO L93 Difference]: Finished difference Result 193 states and 235 transitions. [2020-08-18 16:02:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 16:02:07,617 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 16:02:07,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:07,620 INFO L225 Difference]: With dead ends: 193 [2020-08-18 16:02:07,620 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 16:02:07,623 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 16:02:07,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 16:02:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 105. [2020-08-18 16:02:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-08-18 16:02:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2020-08-18 16:02:07,673 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2020-08-18 16:02:07,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:07,674 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2020-08-18 16:02:07,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 16:02:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2020-08-18 16:02:07,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 16:02:07,685 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:07,686 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 16:02:07,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 16:02:07,686 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:07,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:07,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1634875871, now seen corresponding path program 1 times [2020-08-18 16:02:07,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:07,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240541450] [2020-08-18 16:02:07,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,005 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 16:02:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 16:02:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:08,109 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 16:02:08,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240541450] [2020-08-18 16:02:08,110 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:08,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:02:08,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465559812] [2020-08-18 16:02:08,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:02:08,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:08,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:02:08,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:02:08,112 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 8 states. [2020-08-18 16:02:08,468 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:08,758 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:08,994 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:09,220 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:09,900 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:02:11,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:11,239 INFO L93 Difference]: Finished difference Result 366 states and 454 transitions. [2020-08-18 16:02:11,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 16:02:11,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-18 16:02:11,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:11,247 INFO L225 Difference]: With dead ends: 366 [2020-08-18 16:02:11,247 INFO L226 Difference]: Without dead ends: 285 [2020-08-18 16:02:11,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 16:02:11,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-08-18 16:02:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 224. [2020-08-18 16:02:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-08-18 16:02:11,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2020-08-18 16:02:11,312 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2020-08-18 16:02:11,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:11,312 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2020-08-18 16:02:11,313 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:02:11,313 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2020-08-18 16:02:11,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 16:02:11,314 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:11,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 16:02:11,314 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 16:02:11,315 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:11,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:11,315 INFO L82 PathProgramCache]: Analyzing trace with hash 186070900, now seen corresponding path program 1 times [2020-08-18 16:02:11,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:11,316 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271615094] [2020-08-18 16:02:11,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,649 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:11,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:11,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 16:02:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 16:02:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 16:02:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:11,728 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 16:02:11,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271615094] [2020-08-18 16:02:11,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:11,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 16:02:11,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787037887] [2020-08-18 16:02:11,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 16:02:11,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:11,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 16:02:11,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 16:02:11,731 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 8 states. [2020-08-18 16:02:12,130 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:13,135 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:13,418 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:13,668 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:13,886 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:14,243 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 16:02:14,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:14,922 INFO L93 Difference]: Finished difference Result 725 states and 949 transitions. [2020-08-18 16:02:14,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 16:02:14,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 16:02:14,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:14,929 INFO L225 Difference]: With dead ends: 725 [2020-08-18 16:02:14,929 INFO L226 Difference]: Without dead ends: 525 [2020-08-18 16:02:14,931 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 16:02:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2020-08-18 16:02:15,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 403. [2020-08-18 16:02:15,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-08-18 16:02:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2020-08-18 16:02:15,063 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57 [2020-08-18 16:02:15,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:15,063 INFO L479 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2020-08-18 16:02:15,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 16:02:15,063 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2020-08-18 16:02:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 16:02:15,065 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 16:02:15,065 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 16:02:15,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 16:02:15,066 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 16:02:15,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 16:02:15,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1322088904, now seen corresponding path program 1 times [2020-08-18 16:02:15,066 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 16:02:15,066 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [49026340] [2020-08-18 16:02:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 16:02:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,411 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:15,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 16:02:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 16:02:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 16:02:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 16:02:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 16:02:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 16:02:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 16:02:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 16:02:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 16:02:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 16:02:15,521 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 16:02:15,522 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [49026340] [2020-08-18 16:02:15,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 16:02:15,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 16:02:15,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407405757] [2020-08-18 16:02:15,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 16:02:15,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 16:02:15,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 16:02:15,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 16:02:15,526 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 9 states. [2020-08-18 16:02:15,957 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 16:02:16,825 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:17,114 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:17,352 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 16:02:17,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 16:02:17,704 INFO L93 Difference]: Finished difference Result 785 states and 1041 transitions. [2020-08-18 16:02:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 16:02:17,705 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 16:02:17,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 16:02:17,706 INFO L225 Difference]: With dead ends: 785 [2020-08-18 16:02:17,706 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 16:02:17,709 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 16:02:17,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 16:02:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 16:02:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 16:02:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 16:02:17,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 16:02:17,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 16:02:17,711 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 16:02:17,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 16:02:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 16:02:17,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 16:02:17,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 16:02:17,714 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 16:02:18,643 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 188 [2020-08-18 16:02:21,334 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 16:02:21,516 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:02:21,674 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 16:02:21,872 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:02:22,025 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:02:22,343 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 8 [2020-08-18 16:02:22,538 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 16:02:22,841 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 16:02:22,993 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 16:02:23,292 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 16:02:23,598 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 16:02:23,767 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:02:24,063 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 16:02:24,236 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:02:24,538 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 16:02:24,703 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:02:24,888 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 16:02:25,071 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 16:02:25,530 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 16:02:25,689 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 16:02:25,849 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:02:26,015 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 16:02:26,189 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 16:02:26,485 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 16:02:26,503 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-08-18 16:02:26,503 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 595) no Hoare annotation was computed. [2020-08-18 16:02:26,503 INFO L268 CegarLoopResult]: For program point L596(lines 573 597) no Hoare annotation was computed. [2020-08-18 16:02:26,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 549 604) no Hoare annotation was computed. [2020-08-18 16:02:26,503 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 549 604) no Hoare annotation was computed. [2020-08-18 16:02:26,503 INFO L268 CegarLoopResult]: For program point L580(lines 580 584) no Hoare annotation was computed. [2020-08-18 16:02:26,504 INFO L268 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2020-08-18 16:02:26,504 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 549 604) no Hoare annotation was computed. [2020-08-18 16:02:26,504 INFO L268 CegarLoopResult]: For program point L637(lines 637 641) no Hoare annotation was computed. [2020-08-18 16:02:26,504 INFO L268 CegarLoopResult]: For program point L637-1(lines 637 641) no Hoare annotation was computed. [2020-08-18 16:02:26,504 INFO L268 CegarLoopResult]: For program point L632(line 632) no Hoare annotation was computed. [2020-08-18 16:02:26,505 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 605 664) no Hoare annotation was computed. [2020-08-18 16:02:26,506 INFO L268 CegarLoopResult]: For program point L631-2(lines 631 656) no Hoare annotation was computed. [2020-08-18 16:02:26,506 INFO L268 CegarLoopResult]: For program point L657(lines 630 658) no Hoare annotation was computed. [2020-08-18 16:02:26,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 605 664) no Hoare annotation was computed. [2020-08-18 16:02:26,506 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-08-18 16:02:26,506 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 605 664) no Hoare annotation was computed. [2020-08-18 16:02:26,506 INFO L268 CegarLoopResult]: For program point L650-1(line 650) no Hoare annotation was computed. [2020-08-18 16:02:26,507 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 881 887) the Hoare annotation is: true [2020-08-18 16:02:26,507 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 881 887) no Hoare annotation was computed. [2020-08-18 16:02:26,507 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 888 896) no Hoare annotation was computed. [2020-08-18 16:02:26,507 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 888 896) the Hoare annotation is: true [2020-08-18 16:02:26,507 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 888 896) no Hoare annotation was computed. [2020-08-18 16:02:26,507 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 129 151) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,508 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 129 151) no Hoare annotation was computed. [2020-08-18 16:02:26,508 INFO L264 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,508 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 129 151) no Hoare annotation was computed. [2020-08-18 16:02:26,508 INFO L264 CegarLoopResult]: At program point L141-1(line 141) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,509 INFO L268 CegarLoopResult]: For program point L139(lines 139 146) no Hoare annotation was computed. [2020-08-18 16:02:26,509 INFO L268 CegarLoopResult]: For program point L139-1(lines 139 146) no Hoare annotation was computed. [2020-08-18 16:02:26,509 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-08-18 16:02:26,509 INFO L264 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,509 INFO L264 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,510 INFO L264 CegarLoopResult]: At program point L135-1(line 135) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,510 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-18 16:02:26,510 INFO L268 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-08-18 16:02:26,510 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 84 107) no Hoare annotation was computed. [2020-08-18 16:02:26,510 INFO L268 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-08-18 16:02:26,510 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-18 16:02:26,510 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 84 107) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 84 107) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-18 16:02:26,511 INFO L268 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-08-18 16:02:26,512 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-08-18 16:02:26,512 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-18 16:02:26,512 INFO L268 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-08-18 16:02:26,512 INFO L268 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-08-18 16:02:26,512 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 383 397) no Hoare annotation was computed. [2020-08-18 16:02:26,512 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 383 397) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 16:02:26,512 INFO L264 CegarLoopResult]: At program point L389(line 389) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 383 397) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point L387(lines 387 393) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 319 327) the Hoare annotation is: true [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 319 327) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 364 382) the Hoare annotation is: true [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 364 382) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point L373(lines 373 377) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L271 CegarLoopResult]: At program point L371(line 371) the Hoare annotation is: true [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point L373-2(lines 373 377) no Hoare annotation was computed. [2020-08-18 16:02:26,513 INFO L268 CegarLoopResult]: For program point L371-1(line 371) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 364 382) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point L347(lines 347 355) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point L347-2(lines 347 355) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point L335(lines 335 343) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 328 363) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point L335-2(lines 335 343) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 328 363) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point L358(line 358) no Hoare annotation was computed. [2020-08-18 16:02:26,514 INFO L268 CegarLoopResult]: For program point L358-1(line 358) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 328 363) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 874 880) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 874 880) the Hoare annotation is: true [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 503 548) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 503 548) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 503 548) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point L830(lines 830 850) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point L830-1(lines 830 850) no Hoare annotation was computed. [2020-08-18 16:02:26,515 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 816 861) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 816 861) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 816 861) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point L836(lines 836 843) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 116 125) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 116 125) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 116 125) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 308 318) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 308 318) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-18 16:02:26,516 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-18 16:02:26,517 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 308 318) no Hoare annotation was computed. [2020-08-18 16:02:26,517 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 300 307) the Hoare annotation is: true [2020-08-18 16:02:26,517 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2020-08-18 16:02:26,517 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 300 307) no Hoare annotation was computed. [2020-08-18 16:02:26,517 INFO L264 CegarLoopResult]: At program point L286(line 286) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,517 INFO L268 CegarLoopResult]: For program point L286-1(lines 267 291) no Hoare annotation was computed. [2020-08-18 16:02:26,517 INFO L264 CegarLoopResult]: At program point L281(line 281) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,518 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 267 291) no Hoare annotation was computed. [2020-08-18 16:02:26,518 INFO L264 CegarLoopResult]: At program point L277(line 277) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,518 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 267 291) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,518 INFO L268 CegarLoopResult]: For program point L275(lines 275 283) no Hoare annotation was computed. [2020-08-18 16:02:26,518 INFO L264 CegarLoopResult]: At program point L273(line 273) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,518 INFO L268 CegarLoopResult]: For program point L273-1(line 273) no Hoare annotation was computed. [2020-08-18 16:02:26,518 INFO L268 CegarLoopResult]: For program point L271(lines 271 288) no Hoare annotation was computed. [2020-08-18 16:02:26,519 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 259 265) no Hoare annotation was computed. [2020-08-18 16:02:26,519 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 259 265) the Hoare annotation is: true [2020-08-18 16:02:26,519 INFO L264 CegarLoopResult]: At program point testENTRY(lines 155 222) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,519 INFO L264 CegarLoopResult]: At program point L215(lines 164 216) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 16:02:26,519 INFO L268 CegarLoopResult]: For program point testFINAL(lines 155 222) no Hoare annotation was computed. [2020-08-18 16:02:26,519 INFO L264 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:26,520 INFO L268 CegarLoopResult]: For program point L203(lines 203 209) no Hoare annotation was computed. [2020-08-18 16:02:26,520 INFO L264 CegarLoopResult]: At program point L203-1(lines 195 210) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:26,520 INFO L268 CegarLoopResult]: For program point L166(lines 165 214) no Hoare annotation was computed. [2020-08-18 16:02:26,520 INFO L264 CegarLoopResult]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:26,520 INFO L268 CegarLoopResult]: For program point L195(lines 195 210) no Hoare annotation was computed. [2020-08-18 16:02:26,520 INFO L264 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point L185(lines 185 191) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L264 CegarLoopResult]: At program point L212(lines 165 214) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:26,521 INFO L264 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point L175(lines 175 181) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point L167(lines 167 171) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point testEXIT(lines 155 222) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 770 815) no Hoare annotation was computed. [2020-08-18 16:02:26,521 INFO L268 CegarLoopResult]: For program point L790(lines 790 797) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 770 815) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 770 815) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point L784(lines 784 804) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point L784-1(lines 784 804) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 487 495) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 487 495) the Hoare annotation is: true [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 487 495) no Hoare annotation was computed. [2020-08-18 16:02:26,522 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 455 477) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 455 477) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 455 477) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point L737(lines 715 738) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 667 769) no Hoare annotation was computed. [2020-08-18 16:02:26,523 INFO L268 CegarLoopResult]: For program point L696(lines 696 712) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L756(lines 756 763) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L717(lines 716 736) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L713(lines 713 754) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 667 769) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L732(line 732) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-08-18 16:02:26,524 INFO L268 CegarLoopResult]: For program point L691(lines 691 695) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point L755(lines 755 766) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 667 769) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point L716-2(lines 716 736) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 864 873) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 864 873) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 864 873) no Hoare annotation was computed. [2020-08-18 16:02:26,525 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,526 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string12.offset| |old(#t~string12.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string16.base| |old(#t~string16.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 16:02:26,526 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,526 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 292 299) no Hoare annotation was computed. [2020-08-18 16:02:26,526 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 292 299) no Hoare annotation was computed. [2020-08-18 16:02:26,526 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 292 299) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 478 486) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 478 486) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 478 486) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 434 445) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 434 445) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point L438-1(lines 434 445) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,527 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,528 INFO L264 CegarLoopResult]: At program point L248(line 248) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,528 INFO L264 CegarLoopResult]: At program point L246(lines 246 252) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,528 INFO L264 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 16:02:26,528 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 235 258) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 16:02:26,528 INFO L268 CegarLoopResult]: For program point L239(lines 238 257) no Hoare annotation was computed. [2020-08-18 16:02:26,528 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 235 258) no Hoare annotation was computed. [2020-08-18 16:02:26,528 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 235 258) no Hoare annotation was computed. [2020-08-18 16:02:26,529 INFO L268 CegarLoopResult]: For program point L65(lines 65 69) no Hoare annotation was computed. [2020-08-18 16:02:26,529 INFO L271 CegarLoopResult]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2020-08-18 16:02:26,529 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2020-08-18 16:02:26,529 INFO L268 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-08-18 16:02:26,529 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2020-08-18 16:02:26,529 INFO L271 CegarLoopResult]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2020-08-18 16:02:26,529 INFO L271 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: true [2020-08-18 16:02:26,530 INFO L268 CegarLoopResult]: For program point L57-1(line 57) no Hoare annotation was computed. [2020-08-18 16:02:26,530 INFO L271 CegarLoopResult]: At program point L76(lines 51 80) the Hoare annotation is: true [2020-08-18 16:02:26,530 INFO L268 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-08-18 16:02:26,530 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 446 454) the Hoare annotation is: true [2020-08-18 16:02:26,530 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 446 454) no Hoare annotation was computed. [2020-08-18 16:02:26,530 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 446 454) no Hoare annotation was computed. [2020-08-18 16:02:26,530 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 410 421) the Hoare annotation is: true [2020-08-18 16:02:26,530 INFO L268 CegarLoopResult]: For program point L414-1(lines 410 421) no Hoare annotation was computed. [2020-08-18 16:02:26,531 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 410 421) no Hoare annotation was computed. [2020-08-18 16:02:26,531 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2020-08-18 16:02:26,531 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2020-08-18 16:02:26,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,531 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 16:02:26,531 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 16:02:26,531 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 16:02:26,532 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 398 405) no Hoare annotation was computed. [2020-08-18 16:02:26,532 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 398 405) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:02:26,532 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 398 405) no Hoare annotation was computed. [2020-08-18 16:02:26,532 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 422 433) no Hoare annotation was computed. [2020-08-18 16:02:26,532 INFO L268 CegarLoopResult]: For program point L426-1(lines 422 433) no Hoare annotation was computed. [2020-08-18 16:02:26,532 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 422 433) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 16:02:26,532 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2020-08-18 16:02:26,533 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2020-08-18 16:02:26,533 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2020-08-18 16:02:26,533 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2020-08-18 16:02:26,533 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 898 922) the Hoare annotation is: true [2020-08-18 16:02:26,533 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 898 922) no Hoare annotation was computed. [2020-08-18 16:02:26,533 INFO L264 CegarLoopResult]: At program point L912(line 912) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 16:02:26,534 INFO L268 CegarLoopResult]: For program point L910(lines 910 916) no Hoare annotation was computed. [2020-08-18 16:02:26,534 INFO L264 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 16:02:26,534 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-08-18 16:02:26,534 INFO L268 CegarLoopResult]: For program point L906(lines 906 919) no Hoare annotation was computed. [2020-08-18 16:02:26,534 INFO L268 CegarLoopResult]: For program point L906-1(lines 898 922) no Hoare annotation was computed. [2020-08-18 16:02:26,534 INFO L271 CegarLoopResult]: At program point L904(line 904) the Hoare annotation is: true [2020-08-18 16:02:26,534 INFO L268 CegarLoopResult]: For program point L904-1(line 904) no Hoare annotation was computed. [2020-08-18 16:02:26,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 04:02:26 BoogieIcfgContainer [2020-08-18 16:02:26,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 16:02:26,553 INFO L168 Benchmark]: Toolchain (without parser) took 24491.28 ms. Allocated memory was 138.4 MB in the beginning and 621.3 MB in the end (delta: 482.9 MB). Free memory was 100.4 MB in the beginning and 114.3 MB in the end (delta: -13.8 MB). Peak memory consumption was 506.0 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:26,554 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 16:02:26,554 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.98 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 169.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:26,555 INFO L168 Benchmark]: Boogie Preprocessor took 96.42 ms. Allocated memory is still 201.3 MB. Free memory was 169.9 MB in the beginning and 165.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:26,556 INFO L168 Benchmark]: RCFGBuilder took 1184.60 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.7 MB in the beginning and 198.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:26,557 INFO L168 Benchmark]: TraceAbstraction took 22584.05 ms. Allocated memory was 232.3 MB in the beginning and 621.3 MB in the end (delta: 389.0 MB). Free memory was 198.7 MB in the beginning and 114.3 MB in the end (delta: 84.4 MB). Peak memory consumption was 510.4 MB. Max. memory is 7.1 GB. [2020-08-18 16:02:26,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.98 ms. Allocated memory was 138.4 MB in the beginning and 201.3 MB in the end (delta: 62.9 MB). Free memory was 100.2 MB in the beginning and 169.9 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 96.42 ms. Allocated memory is still 201.3 MB. Free memory was 169.9 MB in the beginning and 165.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.60 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 165.7 MB in the beginning and 198.7 MB in the end (delta: -33.0 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22584.05 ms. Allocated memory was 232.3 MB in the beginning and 621.3 MB in the end (delta: 389.0 MB). Free memory was 198.7 MB in the beginning and 114.3 MB in the end (delta: 84.4 MB). Peak memory consumption was 510.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 740 SDslu, 464 SDs, 0 SdLazy, 2159 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred 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: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 505 PreInvPairs, 608 NumberOfFragments, 705 HoareAnnotationTreeSize, 505 FomulaSimplifications, 108835 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17276 FormulaSimplificationTreeSizeReductionInter, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 73758 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...