/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 06:39:31,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 06:39:31,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 06:39:31,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 06:39:31,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 06:39:31,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 06:39:31,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 06:39:31,738 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 06:39:31,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 06:39:31,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 06:39:31,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 06:39:31,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 06:39:31,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 06:39:31,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 06:39:31,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 06:39:31,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 06:39:31,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 06:39:31,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 06:39:31,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 06:39:31,751 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 06:39:31,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 06:39:31,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 06:39:31,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 06:39:31,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 06:39:31,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 06:39:31,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 06:39:31,759 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 06:39:31,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 06:39:31,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 06:39:31,762 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 06:39:31,762 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 06:39:31,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 06:39:31,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 06:39:31,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 06:39:31,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 06:39:31,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 06:39:31,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 06:39:31,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 06:39:31,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 06:39:31,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 06:39:31,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 06:39:31,769 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 [2020-08-19 06:39:31,791 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 06:39:31,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 06:39:31,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 06:39:31,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 06:39:31,793 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 06:39:31,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 06:39:31,793 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 06:39:31,793 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 06:39:31,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 06:39:31,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 06:39:31,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 06:39:31,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 06:39:31,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 06:39:31,795 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 06:39:31,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 06:39:31,795 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 06:39:31,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 06:39:31,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 06:39:31,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 06:39:31,796 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 06:39:31,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 06:39:31,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 06:39:31,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 06:39:31,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 06:39:31,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 06:39:31,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 06:39:31,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 06:39:31,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 06:39:31,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 06:39:31,798 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5; [2020-08-19 06:39:32,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 06:39:32,085 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 06:39:32,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 06:39:32,090 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 06:39:32,091 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 06:39:32,091 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-08-19 06:39:32,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aca972ffb/14f8ced207e347b7a8af7d9da882d405/FLAGb10003b9a [2020-08-19 06:39:32,705 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 06:39:32,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product04.cil.c [2020-08-19 06:39:32,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aca972ffb/14f8ced207e347b7a8af7d9da882d405/FLAGb10003b9a [2020-08-19 06:39:33,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aca972ffb/14f8ced207e347b7a8af7d9da882d405 [2020-08-19 06:39:33,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 06:39:33,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 06:39:33,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 06:39:33,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 06:39:33,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 06:39:33,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137551ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33, skipping insertion in model container [2020-08-19 06:39:33,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 06:39:33,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 06:39:33,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:39:33,485 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 06:39:33,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 06:39:33,604 INFO L208 MainTranslator]: Completed translation [2020-08-19 06:39:33,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33 WrapperNode [2020-08-19 06:39:33,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 06:39:33,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 06:39:33,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 06:39:33,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 06:39:33,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (1/1) ... [2020-08-19 06:39:33,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 06:39:33,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 06:39:33,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 06:39:33,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 06:39:33,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (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 [2020-08-19 06:39:33,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 06:39:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 06:39:33,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 06:39:33,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-19 06:39:33,767 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-19 06:39:33,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 06:39:33,768 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-19 06:39:33,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 06:39:33,768 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 06:39:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 06:39:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 06:39:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 06:39:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-19 06:39:33,769 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-19 06:39:33,770 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-19 06:39:33,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-19 06:39:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-19 06:39:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-19 06:39:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-19 06:39:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 06:39:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 06:39:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 06:39:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 06:39:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-19 06:39:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 06:39:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 06:39:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 06:39:33,774 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 06:39:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 06:39:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-19 06:39:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 06:39:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 06:39:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 06:39:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 06:39:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 06:39:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-19 06:39:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-19 06:39:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-19 06:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-19 06:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 06:39:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-19 06:39:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-19 06:39:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-19 06:39:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-19 06:39:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-19 06:39:33,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 06:39:33,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 06:39:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 06:39:33,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 06:39:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 06:39:33,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 06:39:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 06:39:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 06:39:33,783 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 06:39:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 06:39:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 06:39:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 06:39:33,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 06:39:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 06:39:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 06:39:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 06:39:33,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 06:39:34,767 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 06:39:34,767 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-19 06:39:34,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:39:34 BoogieIcfgContainer [2020-08-19 06:39:34,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 06:39:34,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 06:39:34,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 06:39:34,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 06:39:34,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 06:39:33" (1/3) ... [2020-08-19 06:39:34,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d51f0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:39:34, skipping insertion in model container [2020-08-19 06:39:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 06:39:33" (2/3) ... [2020-08-19 06:39:34,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d51f0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 06:39:34, skipping insertion in model container [2020-08-19 06:39:34,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 06:39:34" (3/3) ... [2020-08-19 06:39:34,780 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2020-08-19 06:39:34,790 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 06:39:34,798 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 06:39:34,812 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 06:39:34,837 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 06:39:34,837 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 06:39:34,837 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 06:39:34,837 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 06:39:34,838 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 06:39:34,838 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 06:39:34,838 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 06:39:34,839 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 06:39:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-08-19 06:39:34,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-19 06:39:34,870 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:39:34,871 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] [2020-08-19 06:39:34,871 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:39:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:39:34,878 INFO L82 PathProgramCache]: Analyzing trace with hash 1078669538, now seen corresponding path program 1 times [2020-08-19 06:39:34,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:39:34,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1465532683] [2020-08-19 06:39:34,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:39:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,512 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:35,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:39:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:39:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:39:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:39:35,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:39:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 06:39:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 06:39:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:39:35,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1465532683] [2020-08-19 06:39:35,656 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:39:35,656 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-19 06:39:35,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819951151] [2020-08-19 06:39:35,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-19 06:39:35,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:39:35,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-19 06:39:35,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-19 06:39:35,690 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 3 states. [2020-08-19 06:39:36,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:39:36,632 INFO L93 Difference]: Finished difference Result 228 states and 303 transitions. [2020-08-19 06:39:36,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-19 06:39:36,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-19 06:39:36,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:39:36,648 INFO L225 Difference]: With dead ends: 228 [2020-08-19 06:39:36,648 INFO L226 Difference]: Without dead ends: 125 [2020-08-19 06:39:36,653 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 [2020-08-19 06:39:36,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-19 06:39:36,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 94. [2020-08-19 06:39:36,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2020-08-19 06:39:36,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2020-08-19 06:39:36,740 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2020-08-19 06:39:36,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:39:36,741 INFO L479 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2020-08-19 06:39:36,741 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-19 06:39:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2020-08-19 06:39:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-19 06:39:36,744 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:39:36,745 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] [2020-08-19 06:39:36,745 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 06:39:36,745 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:39:36,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:39:36,746 INFO L82 PathProgramCache]: Analyzing trace with hash -352011727, now seen corresponding path program 1 times [2020-08-19 06:39:36,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:39:36,746 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650122056] [2020-08-19 06:39:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:39:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,085 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:37,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:39:37,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:39:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:39:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:39:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:39:37,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-19 06:39:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-19 06:39:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:39:37,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650122056] [2020-08-19 06:39:37,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:39:37,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-19 06:39:37,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912831059] [2020-08-19 06:39:37,146 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-19 06:39:37,146 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:39:37,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-19 06:39:37,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-19 06:39:37,149 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 4 states. [2020-08-19 06:39:37,603 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 06:39:38,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:39:38,119 INFO L93 Difference]: Finished difference Result 148 states and 180 transitions. [2020-08-19 06:39:38,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 06:39:38,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-19 06:39:38,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:39:38,126 INFO L225 Difference]: With dead ends: 148 [2020-08-19 06:39:38,127 INFO L226 Difference]: Without dead ends: 109 [2020-08-19 06:39:38,129 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:39:38,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-19 06:39:38,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 85. [2020-08-19 06:39:38,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-08-19 06:39:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-08-19 06:39:38,180 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2020-08-19 06:39:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:39:38,181 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-08-19 06:39:38,181 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-19 06:39:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-08-19 06:39:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-19 06:39:38,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:39:38,193 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] [2020-08-19 06:39:38,193 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 06:39:38,193 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:39:38,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:39:38,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1517693929, now seen corresponding path program 1 times [2020-08-19 06:39:38,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:39:38,195 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868034881] [2020-08-19 06:39:38,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:39:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,579 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:38,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:39:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:39:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:39:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:39:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:39:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-19 06:39:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-19 06:39:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:39:38,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868034881] [2020-08-19 06:39:38,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:39:38,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-19 06:39:38,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586238071] [2020-08-19 06:39:38,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 06:39:38,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:39:38,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 06:39:38,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 06:39:38,684 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 8 states. [2020-08-19 06:39:39,081 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:39:39,386 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:39,619 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:39,847 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:40,552 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 06:39:41,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:39:41,563 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2020-08-19 06:39:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 06:39:41,567 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-19 06:39:41,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:39:41,570 INFO L225 Difference]: With dead ends: 302 [2020-08-19 06:39:41,570 INFO L226 Difference]: Without dead ends: 241 [2020-08-19 06:39:41,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-19 06:39:41,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2020-08-19 06:39:41,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 172. [2020-08-19 06:39:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2020-08-19 06:39:41,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2020-08-19 06:39:41,629 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2020-08-19 06:39:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:39:41,629 INFO L479 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2020-08-19 06:39:41,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 06:39:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2020-08-19 06:39:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-19 06:39:41,631 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:39:41,631 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] [2020-08-19 06:39:41,631 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 06:39:41,631 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:39:41,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:39:41,632 INFO L82 PathProgramCache]: Analyzing trace with hash 818013324, now seen corresponding path program 1 times [2020-08-19 06:39:41,632 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:39:41,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108317178] [2020-08-19 06:39:41,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:39:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:41,990 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:41,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:39:42,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:39:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:39:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:39:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:39:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 06:39:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-19 06:39:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-19 06:39:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:39:42,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108317178] [2020-08-19 06:39:42,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:39:42,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-19 06:39:42,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196820620] [2020-08-19 06:39:42,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 06:39:42,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:39:42,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 06:39:42,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 06:39:42,112 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 11 states. [2020-08-19 06:39:42,647 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:39:43,013 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:43,286 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:43,532 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:44,050 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-19 06:39:44,736 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:45,013 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 06:39:45,280 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 06:39:45,545 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-19 06:39:45,777 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:39:46,059 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 06:39:46,334 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-19 06:39:46,581 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-19 06:39:47,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:39:47,125 INFO L93 Difference]: Finished difference Result 611 states and 797 transitions. [2020-08-19 06:39:47,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 06:39:47,126 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 55 [2020-08-19 06:39:47,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:39:47,131 INFO L225 Difference]: With dead ends: 611 [2020-08-19 06:39:47,131 INFO L226 Difference]: Without dead ends: 463 [2020-08-19 06:39:47,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=111, Invalid=441, Unknown=0, NotChecked=0, Total=552 [2020-08-19 06:39:47,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-19 06:39:47,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 434. [2020-08-19 06:39:47,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2020-08-19 06:39:47,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 532 transitions. [2020-08-19 06:39:47,250 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 532 transitions. Word has length 55 [2020-08-19 06:39:47,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:39:47,251 INFO L479 AbstractCegarLoop]: Abstraction has 434 states and 532 transitions. [2020-08-19 06:39:47,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 06:39:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 532 transitions. [2020-08-19 06:39:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-19 06:39:47,253 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:39:47,253 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] [2020-08-19 06:39:47,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 06:39:47,254 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:39:47,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:39:47,255 INFO L82 PathProgramCache]: Analyzing trace with hash 514323110, now seen corresponding path program 1 times [2020-08-19 06:39:47,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:39:47,256 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [987921377] [2020-08-19 06:39:47,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:39:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,512 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:47,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:39:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:39:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:39:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:39:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:39:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-08-19 06:39:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-19 06:39:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-19 06:39:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 06:39:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:47,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 06:39:47,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [987921377] [2020-08-19 06:39:47,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 06:39:47,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 06:39:47,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492384603] [2020-08-19 06:39:47,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 06:39:47,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:39:47,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 06:39:47,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-19 06:39:47,598 INFO L87 Difference]: Start difference. First operand 434 states and 532 transitions. Second operand 5 states. [2020-08-19 06:39:47,888 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:39:48,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:39:48,483 INFO L93 Difference]: Finished difference Result 796 states and 999 transitions. [2020-08-19 06:39:48,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 06:39:48,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-08-19 06:39:48,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:39:48,487 INFO L225 Difference]: With dead ends: 796 [2020-08-19 06:39:48,487 INFO L226 Difference]: Without dead ends: 386 [2020-08-19 06:39:48,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-19 06:39:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2020-08-19 06:39:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 372. [2020-08-19 06:39:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2020-08-19 06:39:48,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 431 transitions. [2020-08-19 06:39:48,557 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 431 transitions. Word has length 59 [2020-08-19 06:39:48,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:39:48,557 INFO L479 AbstractCegarLoop]: Abstraction has 372 states and 431 transitions. [2020-08-19 06:39:48,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 06:39:48,558 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 431 transitions. [2020-08-19 06:39:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-08-19 06:39:48,560 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 06:39:48,560 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 06:39:48,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 06:39:48,561 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 06:39:48,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 06:39:48,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1399137902, now seen corresponding path program 1 times [2020-08-19 06:39:48,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 06:39:48,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85243393] [2020-08-19 06:39:48,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 06:39:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,851 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:48,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 06:39:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 06:39:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 06:39:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 06:39:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 06:39:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-19 06:39:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 06:39:48,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 06:39:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 06:39:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 06:39:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-19 06:39:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-08-19 06:39:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-19 06:39:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 06:39:48,994 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-19 06:39:48,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85243393] [2020-08-19 06:39:48,996 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 06:39:48,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 06:39:48,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328494760] [2020-08-19 06:39:48,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 06:39:48,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 06:39:48,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 06:39:48,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 06:39:48,999 INFO L87 Difference]: Start difference. First operand 372 states and 431 transitions. Second operand 9 states. [2020-08-19 06:39:49,682 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-19 06:39:50,233 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-19 06:39:51,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 06:39:51,057 INFO L93 Difference]: Finished difference Result 525 states and 635 transitions. [2020-08-19 06:39:51,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 06:39:51,057 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2020-08-19 06:39:51,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 06:39:51,058 INFO L225 Difference]: With dead ends: 525 [2020-08-19 06:39:51,059 INFO L226 Difference]: Without dead ends: 0 [2020-08-19 06:39:51,061 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2020-08-19 06:39:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-19 06:39:51,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-19 06:39:51,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-19 06:39:51,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-19 06:39:51,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2020-08-19 06:39:51,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 06:39:51,062 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-19 06:39:51,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 06:39:51,062 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-19 06:39:51,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-19 06:39:51,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 06:39:51,065 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-19 06:39:51,191 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 26 [2020-08-19 06:39:54,248 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 06:39:54,744 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 06:39:55,266 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 20 [2020-08-19 06:39:55,724 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 06:39:56,097 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 06:39:56,480 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 06:39:56,998 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 16 [2020-08-19 06:39:57,468 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 17 [2020-08-19 06:39:57,672 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-19 06:39:58,042 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 06:39:58,200 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 06:39:58,794 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 17 [2020-08-19 06:39:59,243 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-19 06:39:59,920 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 18 [2020-08-19 06:40:00,070 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 1 [2020-08-19 06:40:00,382 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 06:40:00,992 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-08-19 06:40:01,148 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 1 [2020-08-19 06:40:01,616 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 20 [2020-08-19 06:40:01,975 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-19 06:40:02,032 INFO L268 CegarLoopResult]: For program point L545-2(lines 545 566) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L567(lines 544 568) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 520 575) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 520 575) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L551-1(lines 551 555) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 520 575) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L608-1(lines 608 612) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L603(line 603) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point L602-2(lines 602 627) no Hoare annotation was computed. [2020-08-19 06:40:02,033 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 576 635) no Hoare annotation was computed. [2020-08-19 06:40:02,034 INFO L268 CegarLoopResult]: For program point L628(lines 601 629) no Hoare annotation was computed. [2020-08-19 06:40:02,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 576 635) no Hoare annotation was computed. [2020-08-19 06:40:02,034 INFO L268 CegarLoopResult]: For program point L621(line 621) no Hoare annotation was computed. [2020-08-19 06:40:02,034 INFO L268 CegarLoopResult]: For program point L621-1(line 621) no Hoare annotation was computed. [2020-08-19 06:40:02,034 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 576 635) no Hoare annotation was computed. [2020-08-19 06:40:02,035 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2020-08-19 06:40:02,035 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2020-08-19 06:40:02,035 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2020-08-19 06:40:02,036 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2020-08-19 06:40:02,036 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2020-08-19 06:40:02,036 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2020-08-19 06:40:02,036 INFO L264 CegarLoopResult]: At program point L857(line 857) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 06:40:02,037 INFO L268 CegarLoopResult]: For program point L855(lines 855 861) no Hoare annotation was computed. [2020-08-19 06:40:02,037 INFO L264 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 06:40:02,037 INFO L268 CegarLoopResult]: For program point L853-1(line 853) no Hoare annotation was computed. [2020-08-19 06:40:02,037 INFO L268 CegarLoopResult]: For program point L851(lines 851 864) no Hoare annotation was computed. [2020-08-19 06:40:02,037 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2020-08-19 06:40:02,037 INFO L268 CegarLoopResult]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2020-08-19 06:40:02,038 INFO L271 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: true [2020-08-19 06:40:02,038 INFO L268 CegarLoopResult]: For program point L849-1(line 849) no Hoare annotation was computed. [2020-08-19 06:40:02,038 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-08-19 06:40:02,038 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-08-19 06:40:02,038 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,038 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,038 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,039 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,039 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-08-19 06:40:02,039 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-08-19 06:40:02,039 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,039 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-19 06:40:02,040 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-19 06:40:02,041 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-08-19 06:40:02,042 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-08-19 06:40:02,042 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2020-08-19 06:40:02,042 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0))) [2020-08-19 06:40:02,042 INFO L268 CegarLoopResult]: For program point L379(lines 379 385) no Hoare annotation was computed. [2020-08-19 06:40:02,042 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 06:40:02,042 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2020-08-19 06:40:02,042 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 339 374) no Hoare annotation was computed. [2020-08-19 06:40:02,043 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point L358(lines 358 366) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point L358-2(lines 358 366) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 474 519) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 474 519) no Hoare annotation was computed. [2020-08-19 06:40:02,044 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 474 519) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point L801(lines 801 821) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point L801-1(lines 801 821) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 787 832) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 787 832) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point L807(lines 807 814) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 787 832) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-08-19 06:40:02,045 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2020-08-19 06:40:02,046 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2020-08-19 06:40:02,047 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2020-08-19 06:40:02,047 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2020-08-19 06:40:02,047 INFO L264 CegarLoopResult]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,047 INFO L268 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-08-19 06:40:02,047 INFO L268 CegarLoopResult]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2020-08-19 06:40:02,047 INFO L264 CegarLoopResult]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-19 06:40:02,047 INFO L264 CegarLoopResult]: At program point L449(line 449) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 06:40:02,048 INFO L268 CegarLoopResult]: For program point L447(lines 447 453) no Hoare annotation was computed. [2020-08-19 06:40:02,048 INFO L264 CegarLoopResult]: At program point L447-1(lines 439 454) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 06:40:02,048 INFO L268 CegarLoopResult]: For program point L410(lines 409 458) no Hoare annotation was computed. [2020-08-19 06:40:02,048 INFO L264 CegarLoopResult]: At program point L441(line 441) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 06:40:02,048 INFO L268 CegarLoopResult]: For program point L439(lines 439 454) no Hoare annotation was computed. [2020-08-19 06:40:02,048 INFO L264 CegarLoopResult]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 06:40:02,048 INFO L268 CegarLoopResult]: For program point L429(lines 429 435) no Hoare annotation was computed. [2020-08-19 06:40:02,049 INFO L268 CegarLoopResult]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2020-08-19 06:40:02,049 INFO L264 CegarLoopResult]: At program point L456(lines 409 458) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 06:40:02,049 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1))) [2020-08-19 06:40:02,049 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-08-19 06:40:02,049 INFO L268 CegarLoopResult]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2020-08-19 06:40:02,049 INFO L268 CegarLoopResult]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2020-08-19 06:40:02,049 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 741 786) no Hoare annotation was computed. [2020-08-19 06:40:02,049 INFO L268 CegarLoopResult]: For program point L761(lines 761 768) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 741 786) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point L755(lines 755 775) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point L755-1(lines 755 775) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 741 786) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 230 252) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 230 252) no Hoare annotation was computed. [2020-08-19 06:40:02,050 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 230 252) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 638 740) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point L667(lines 667 683) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point L727(lines 727 734) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point L688(lines 687 707) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point L719(line 719) no Hoare annotation was computed. [2020-08-19 06:40:02,051 INFO L268 CegarLoopResult]: For program point L719-1(line 719) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L684(lines 684 725) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 638 740) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L703(line 703) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L726(lines 726 737) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 638 740) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-08-19 06:40:02,052 INFO L268 CegarLoopResult]: For program point L687-2(lines 687 707) no Hoare annotation was computed. [2020-08-19 06:40:02,053 INFO L268 CegarLoopResult]: For program point L708(lines 686 709) no Hoare annotation was computed. [2020-08-19 06:40:02,053 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,053 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= |#t~string14.offset| |old(#t~string14.offset)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string16.offset| |old(#t~string16.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string14.base| |old(#t~string14.base)|) (= |#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)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-19 06:40:02,053 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,053 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 303 310) no Hoare annotation was computed. [2020-08-19 06:40:02,053 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2020-08-19 06:40:02,053 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2020-08-19 06:40:02,054 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2020-08-19 06:40:02,054 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2020-08-19 06:40:02,054 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2020-08-19 06:40:02,054 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 06:40:02,054 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2020-08-19 06:40:02,054 INFO L268 CegarLoopResult]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2020-08-19 06:40:02,054 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,055 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,055 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,055 INFO L264 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0))))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1))) [2020-08-19 06:40:02,055 INFO L264 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 06:40:02,055 INFO L264 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or (not (= |old(~waterLevel~0)| 1)) .cse0) (or (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-08-19 06:40:02,055 INFO L268 CegarLoopResult]: For program point L276(lines 275 294) no Hoare annotation was computed. [2020-08-19 06:40:02,056 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 06:40:02,056 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2020-08-19 06:40:02,056 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2020-08-19 06:40:02,056 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-08-19 06:40:02,056 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-08-19 06:40:02,056 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-08-19 06:40:02,056 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-08-19 06:40:02,057 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-08-19 06:40:02,057 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-08-19 06:40:02,057 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-08-19 06:40:02,057 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-08-19 06:40:02,057 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-08-19 06:40:02,057 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-08-19 06:40:02,057 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 221 229) no Hoare annotation was computed. [2020-08-19 06:40:02,057 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 221 229) no Hoare annotation was computed. [2020-08-19 06:40:02,058 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 221 229) no Hoare annotation was computed. [2020-08-19 06:40:02,058 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2020-08-19 06:40:02,058 INFO L268 CegarLoopResult]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2020-08-19 06:40:02,058 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2020-08-19 06:40:02,058 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-08-19 06:40:02,058 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-08-19 06:40:02,058 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,058 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-19 06:40:02,059 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-19 06:40:02,059 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-19 06:40:02,059 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2020-08-19 06:40:02,059 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))))) [2020-08-19 06:40:02,059 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2020-08-19 06:40:02,059 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2020-08-19 06:40:02,059 INFO L268 CegarLoopResult]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2020-08-19 06:40:02,060 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-19 06:40:02,060 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2020-08-19 06:40:02,060 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2020-08-19 06:40:02,060 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2020-08-19 06:40:02,060 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2020-08-19 06:40:02,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.08 06:40:02 BoogieIcfgContainer [2020-08-19 06:40:02,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-19 06:40:02,086 INFO L168 Benchmark]: Toolchain (without parser) took 29071.19 ms. Allocated memory was 138.4 MB in the beginning and 667.4 MB in the end (delta: 529.0 MB). Free memory was 101.0 MB in the beginning and 159.1 MB in the end (delta: -58.1 MB). Peak memory consumption was 528.0 MB. Max. memory is 7.1 GB. [2020-08-19 06:40:02,088 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-19 06:40:02,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.83 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2020-08-19 06:40:02,097 INFO L168 Benchmark]: Boogie Preprocessor took 83.80 ms. Allocated memory is still 201.9 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-19 06:40:02,102 INFO L168 Benchmark]: RCFGBuilder took 1082.22 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 167.0 MB in the beginning and 201.7 MB in the end (delta: -34.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2020-08-19 06:40:02,103 INFO L168 Benchmark]: TraceAbstraction took 27309.82 ms. Allocated memory was 232.8 MB in the beginning and 667.4 MB in the end (delta: 434.6 MB). Free memory was 201.7 MB in the beginning and 159.1 MB in the end (delta: 42.6 MB). Peak memory consumption was 534.3 MB. Max. memory is 7.1 GB. [2020-08-19 06:40:02,110 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 120.0 MB in the beginning and 119.5 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 590.83 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 101.0 MB in the beginning and 171.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 83.80 ms. Allocated memory is still 201.9 MB. Free memory was 171.1 MB in the beginning and 167.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1082.22 ms. Allocated memory was 201.9 MB in the beginning and 232.8 MB in the end (delta: 30.9 MB). Free memory was 167.0 MB in the beginning and 201.7 MB in the end (delta: -34.7 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27309.82 ms. Allocated memory was 232.8 MB in the beginning and 667.4 MB in the end (delta: 434.6 MB). Free memory was 201.7 MB in the beginning and 159.1 MB in the end (delta: 42.6 MB). Peak memory consumption was 534.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 409]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || ((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || ((\old(waterLevel) == waterLevel && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 204 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.2s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 505 SDtfs, 980 SDslu, 506 SDs, 0 SdLazy, 2064 SolverSat, 656 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 117 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=434occurred 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, 6 MinimizatonAttempts, 167 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 462 PreInvPairs, 530 NumberOfFragments, 906 HoareAnnotationTreeSize, 462 FomulaSimplifications, 87755 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 46 FomulaSimplificationsInter, 16868 FormulaSimplificationTreeSizeReductionInter, 8.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 348 NumberOfCodeBlocks, 348 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 342 ConstructedInterpolants, 0 QuantifiedInterpolants, 103070 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 17/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...