/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=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 16:23:17,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 16:23:17,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 16:23:17,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 16:23:17,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 16:23:17,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 16:23:17,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 16:23:17,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 16:23:17,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 16:23:17,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 16:23:17,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 16:23:17,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 16:23:17,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 16:23:17,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 16:23:17,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 16:23:17,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 16:23:17,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 16:23:17,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 16:23:17,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 16:23:17,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 16:23:17,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 16:23:17,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 16:23:17,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 16:23:17,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 16:23:17,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 16:23:17,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 16:23:17,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 16:23:17,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 16:23:17,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 16:23:17,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 16:23:17,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 16:23:17,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 16:23:17,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 16:23:17,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 16:23:17,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 16:23:17,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 16:23:17,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 16:23:17,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 16:23:17,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 16:23:17,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 16:23:17,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 16:23:17,725 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 [2020-08-21 16:23:17,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 16:23:17,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 16:23:17,770 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 16:23:17,770 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 16:23:17,770 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 16:23:17,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 16:23:17,771 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 16:23:17,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 16:23:17,771 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 16:23:17,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 16:23:17,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 16:23:17,772 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 16:23:17,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 16:23:17,775 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 16:23:17,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 16:23:17,775 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 16:23:17,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 16:23:17,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 16:23:17,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 16:23:17,776 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 16:23:17,776 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 16:23:17,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 16:23:17,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 16:23:17,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 16:23:17,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 16:23:17,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 16:23:17,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 16:23:17,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 16:23:17,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 16:23:17,780 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=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 16:23:18,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 16:23:18,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 16:23:18,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 16:23:18,129 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 16:23:18,131 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 16:23:18,131 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-08-21 16:23:18,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2feef019c/c400d178aeda4214bd1ab0ec3580ddff/FLAGb477cad3d [2020-08-21 16:23:18,721 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 16:23:18,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product14.cil.c [2020-08-21 16:23:18,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2feef019c/c400d178aeda4214bd1ab0ec3580ddff/FLAGb477cad3d [2020-08-21 16:23:19,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2feef019c/c400d178aeda4214bd1ab0ec3580ddff [2020-08-21 16:23:19,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 16:23:19,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 16:23:19,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 16:23:19,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 16:23:19,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 16:23:19,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35802b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19, skipping insertion in model container [2020-08-21 16:23:19,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 16:23:19,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 16:23:19,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:23:19,626 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 16:23:19,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 16:23:19,777 INFO L208 MainTranslator]: Completed translation [2020-08-21 16:23:19,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19 WrapperNode [2020-08-21 16:23:19,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 16:23:19,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 16:23:19,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 16:23:19,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 16:23:19,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (1/1) ... [2020-08-21 16:23:19,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 16:23:19,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 16:23:19,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 16:23:19,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 16:23:19,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (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 [2020-08-21 16:23:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 16:23:19,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 16:23:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 16:23:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 16:23:19,976 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 16:23:19,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 16:23:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 16:23:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 16:23:19,978 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 16:23:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 16:23:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 16:23:19,979 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 16:23:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 16:23:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 16:23:19,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 16:23:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 16:23:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 16:23:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 16:23:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 16:23:19,981 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 16:23:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 16:23:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 16:23:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 16:23:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-21 16:23:19,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 16:23:19,983 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 16:23:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 16:23:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 16:23:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 16:23:19,984 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 16:23:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 16:23:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 16:23:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 16:23:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 16:23:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 16:23:19,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 16:23:19,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-08-21 16:23:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 16:23:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 16:23:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 16:23:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 16:23:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 16:23:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 16:23:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 16:23:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 16:23:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 16:23:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 16:23:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 16:23:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 16:23:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 16:23:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 16:23:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 16:23:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 16:23:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 16:23:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 16:23:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 16:23:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 16:23:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 16:23:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 16:23:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 16:23:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 16:23:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 16:23:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 16:23:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 16:23:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 16:23:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 16:23:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 16:23:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 16:23:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 16:23:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 16:23:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 16:23:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 16:23:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 16:23:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 16:23:19,994 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 16:23:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-08-21 16:23:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 16:23:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-08-21 16:23:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 16:23:19,995 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-21 16:23:19,996 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 16:23:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 16:23:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 16:23:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 16:23:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 16:23:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 16:23:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 16:23:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 16:23:21,047 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 16:23:21,047 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 16:23:21,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:23:21 BoogieIcfgContainer [2020-08-21 16:23:21,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 16:23:21,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 16:23:21,060 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 16:23:21,063 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 16:23:21,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 04:23:19" (1/3) ... [2020-08-21 16:23:21,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff737f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:23:21, skipping insertion in model container [2020-08-21 16:23:21,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 04:23:19" (2/3) ... [2020-08-21 16:23:21,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ff737f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 04:23:21, skipping insertion in model container [2020-08-21 16:23:21,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 04:23:21" (3/3) ... [2020-08-21 16:23:21,067 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c [2020-08-21 16:23:21,077 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 16:23:21,089 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 16:23:21,108 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 16:23:21,130 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 16:23:21,130 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 16:23:21,130 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 16:23:21,130 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 16:23:21,131 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 16:23:21,131 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 16:23:21,131 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 16:23:21,131 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 16:23:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-08-21 16:23:21,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-21 16:23:21,163 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:23:21,165 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] [2020-08-21 16:23:21,165 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:23:21,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:23:21,172 INFO L82 PathProgramCache]: Analyzing trace with hash 435193552, now seen corresponding path program 1 times [2020-08-21 16:23:21,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:23:21,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086406308] [2020-08-21 16:23:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:23:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,883 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:21,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:23:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:23:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:23:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:23:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:23:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 16:23:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 16:23:21,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:21,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:23:21,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086406308] [2020-08-21 16:23:21,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:23:21,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 16:23:21,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214656149] [2020-08-21 16:23:21,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-21 16:23:21,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:23:22,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-21 16:23:22,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-21 16:23:22,004 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 3 states. [2020-08-21 16:23:22,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:23:22,999 INFO L93 Difference]: Finished difference Result 252 states and 331 transitions. [2020-08-21 16:23:22,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-21 16:23:23,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-21 16:23:23,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:23:23,015 INFO L225 Difference]: With dead ends: 252 [2020-08-21 16:23:23,015 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 16:23:23,020 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 [2020-08-21 16:23:23,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 16:23:23,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-21 16:23:23,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 16:23:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-08-21 16:23:23,104 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-08-21 16:23:23,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:23:23,105 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-08-21 16:23:23,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-21 16:23:23,105 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-08-21 16:23:23,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-21 16:23:23,109 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:23:23,109 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] [2020-08-21 16:23:23,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 16:23:23,109 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:23:23,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:23:23,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1385919944, now seen corresponding path program 1 times [2020-08-21 16:23:23,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:23:23,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109044721] [2020-08-21 16:23:23,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:23:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,473 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:23:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:23:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:23:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:23:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:23:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 16:23:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 16:23:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:23:23,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109044721] [2020-08-21 16:23:23,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:23:23,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 16:23:23,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209396251] [2020-08-21 16:23:23,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 16:23:23,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:23:23,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 16:23:23,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 16:23:23,556 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 4 states. [2020-08-21 16:23:23,972 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 16:23:24,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:23:24,577 INFO L93 Difference]: Finished difference Result 181 states and 218 transitions. [2020-08-21 16:23:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 16:23:24,579 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-21 16:23:24,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:23:24,583 INFO L225 Difference]: With dead ends: 181 [2020-08-21 16:23:24,583 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 16:23:24,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 16:23:24,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 16:23:24,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-21 16:23:24,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-21 16:23:24,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-08-21 16:23:24,620 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-08-21 16:23:24,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:23:24,621 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-08-21 16:23:24,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 16:23:24,621 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-08-21 16:23:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 16:23:24,623 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:23:24,623 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] [2020-08-21 16:23:24,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 16:23:24,624 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:23:24,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:23:24,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1134529237, now seen corresponding path program 1 times [2020-08-21 16:23:24,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:23:24,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1714190134] [2020-08-21 16:23:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:23:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:24,961 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:24,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:23:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:23:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:23:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:23:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:23:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 16:23:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 16:23:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:25,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:23:25,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1714190134] [2020-08-21 16:23:25,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:23:25,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 16:23:25,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186237099] [2020-08-21 16:23:25,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 16:23:25,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:23:25,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 16:23:25,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 16:23:25,093 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 8 states. [2020-08-21 16:23:25,436 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:23:25,714 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:25,961 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:26,206 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:27,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:23:27,083 INFO L93 Difference]: Finished difference Result 194 states and 236 transitions. [2020-08-21 16:23:27,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 16:23:27,084 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-21 16:23:27,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:23:27,086 INFO L225 Difference]: With dead ends: 194 [2020-08-21 16:23:27,087 INFO L226 Difference]: Without dead ends: 121 [2020-08-21 16:23:27,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:23:27,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-21 16:23:27,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 97. [2020-08-21 16:23:27,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-08-21 16:23:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-08-21 16:23:27,119 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-08-21 16:23:27,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:23:27,120 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-08-21 16:23:27,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 16:23:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-08-21 16:23:27,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 16:23:27,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:23:27,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:23:27,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 16:23:27,123 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:23:27,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:23:27,123 INFO L82 PathProgramCache]: Analyzing trace with hash -109318848, now seen corresponding path program 1 times [2020-08-21 16:23:27,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:23:27,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944424727] [2020-08-21 16:23:27,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:23:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,466 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:27,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:23:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:23:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:23:27,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:23:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:23:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 16:23:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 16:23:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-21 16:23:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 16:23:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:23:27,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944424727] [2020-08-21 16:23:27,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:23:27,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 16:23:27,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466453744] [2020-08-21 16:23:27,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 16:23:27,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:23:27,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 16:23:27,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 16:23:27,576 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 12 states. [2020-08-21 16:23:27,919 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:23:28,226 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:28,505 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:28,727 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:29,280 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 16:23:30,095 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:30,461 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 16:23:30,746 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 16:23:31,025 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:23:31,329 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 16:23:31,681 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 16:23:31,956 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 16:23:32,194 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-21 16:23:33,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:23:33,114 INFO L93 Difference]: Finished difference Result 372 states and 494 transitions. [2020-08-21 16:23:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 16:23:33,115 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-08-21 16:23:33,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:23:33,122 INFO L225 Difference]: With dead ends: 372 [2020-08-21 16:23:33,122 INFO L226 Difference]: Without dead ends: 299 [2020-08-21 16:23:33,124 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2020-08-21 16:23:33,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-08-21 16:23:33,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 230. [2020-08-21 16:23:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-08-21 16:23:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 268 transitions. [2020-08-21 16:23:33,191 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 268 transitions. Word has length 60 [2020-08-21 16:23:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:23:33,192 INFO L479 AbstractCegarLoop]: Abstraction has 230 states and 268 transitions. [2020-08-21 16:23:33,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 16:23:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 268 transitions. [2020-08-21 16:23:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-08-21 16:23:33,195 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:23:33,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:23:33,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 16:23:33,196 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:23:33,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:23:33,196 INFO L82 PathProgramCache]: Analyzing trace with hash 610985760, now seen corresponding path program 1 times [2020-08-21 16:23:33,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:23:33,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507649807] [2020-08-21 16:23:33,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:23:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,479 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:33,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:23:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:23:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:23:33,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:23:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:23:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 16:23:33,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 16:23:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 16:23:33,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 16:23:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-21 16:23:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-08-21 16:23:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:33,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 16:23:33,589 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507649807] [2020-08-21 16:23:33,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 16:23:33,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-21 16:23:33,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54094390] [2020-08-21 16:23:33,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 16:23:33,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:23:33,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 16:23:33,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 16:23:33,591 INFO L87 Difference]: Start difference. First operand 230 states and 268 transitions. Second operand 6 states. [2020-08-21 16:23:33,913 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:23:34,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:23:34,510 INFO L93 Difference]: Finished difference Result 382 states and 463 transitions. [2020-08-21 16:23:34,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 16:23:34,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 68 [2020-08-21 16:23:34,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:23:34,514 INFO L225 Difference]: With dead ends: 382 [2020-08-21 16:23:34,514 INFO L226 Difference]: Without dead ends: 176 [2020-08-21 16:23:34,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-08-21 16:23:34,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-21 16:23:34,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 163. [2020-08-21 16:23:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-08-21 16:23:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 180 transitions. [2020-08-21 16:23:34,552 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 180 transitions. Word has length 68 [2020-08-21 16:23:34,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:23:34,553 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 180 transitions. [2020-08-21 16:23:34,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 16:23:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 180 transitions. [2020-08-21 16:23:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-08-21 16:23:34,555 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 16:23:34,555 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 16:23:34,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 16:23:34,556 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 16:23:34,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 16:23:34,556 INFO L82 PathProgramCache]: Analyzing trace with hash 542477257, now seen corresponding path program 1 times [2020-08-21 16:23:34,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 16:23:34,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106782697] [2020-08-21 16:23:34,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 16:23:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,854 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:34,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 16:23:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 16:23:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 16:23:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 16:23:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 16:23:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-08-21 16:23:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 16:23:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 16:23:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 16:23:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 16:23:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 16:23:34,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:34,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 16:23:34,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:35,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-08-21 16:23:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:35,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 16:23:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:35,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-21 16:23:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:35,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 16:23:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 16:23:35,038 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 16:23:35,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106782697] [2020-08-21 16:23:35,040 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 16:23:35,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 16:23:35,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190660114] [2020-08-21 16:23:35,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 16:23:35,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 16:23:35,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 16:23:35,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-21 16:23:35,043 INFO L87 Difference]: Start difference. First operand 163 states and 180 transitions. Second operand 10 states. [2020-08-21 16:23:35,616 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2020-08-21 16:23:36,197 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-21 16:23:36,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 16:23:36,775 INFO L93 Difference]: Finished difference Result 220 states and 252 transitions. [2020-08-21 16:23:36,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 16:23:36,776 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-08-21 16:23:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 16:23:36,777 INFO L225 Difference]: With dead ends: 220 [2020-08-21 16:23:36,777 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 16:23:36,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-08-21 16:23:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 16:23:36,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 16:23:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 16:23:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 16:23:36,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2020-08-21 16:23:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 16:23:36,780 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 16:23:36,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 16:23:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 16:23:36,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 16:23:36,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 16:23:36,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 16:23:37,181 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-08-21 16:23:37,445 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-08-21 16:23:37,753 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 28 [2020-08-21 16:23:38,113 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 25 [2020-08-21 16:23:39,754 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 16:23:40,183 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 16:23:40,602 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 16:23:41,396 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 20 [2020-08-21 16:23:41,602 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-21 16:23:41,831 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 16:23:42,462 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 22 [2020-08-21 16:23:42,590 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 16:23:42,977 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 16:23:43,759 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 21 [2020-08-21 16:23:44,147 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 16:23:44,604 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 16:23:45,323 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 20 [2020-08-21 16:23:45,455 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 16:23:46,028 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 19 [2020-08-21 16:23:46,496 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 16:23:46,892 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 16:23:47,025 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 16:23:47,442 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2020-08-21 16:23:47,850 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-08-21 16:23:48,357 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 22 [2020-08-21 16:23:48,467 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 1 [2020-08-21 16:23:48,473 INFO L268 CegarLoopResult]: For program point L247(lines 247 251) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point L247-1(lines 247 251) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 216 271) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point L242(line 242) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point L241-2(lines 241 262) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point L263(lines 240 264) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 216 271) no Hoare annotation was computed. [2020-08-21 16:23:48,474 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 216 271) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point L317(line 317) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point L317-1(line 317) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 272 331) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point L304(lines 304 308) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point L304-1(lines 304 308) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 272 331) no Hoare annotation was computed. [2020-08-21 16:23:48,475 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-08-21 16:23:48,476 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 272 331) no Hoare annotation was computed. [2020-08-21 16:23:48,476 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 323) no Hoare annotation was computed. [2020-08-21 16:23:48,476 INFO L268 CegarLoopResult]: For program point L324(lines 297 325) no Hoare annotation was computed. [2020-08-21 16:23:48,476 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-21 16:23:48,476 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-21 16:23:48,477 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-21 16:23:48,477 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-21 16:23:48,477 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-21 16:23:48,477 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2020-08-21 16:23:48,477 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2020-08-21 16:23:48,478 INFO L264 CegarLoopResult]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 16:23:48,478 INFO L268 CegarLoopResult]: For program point L880(lines 880 886) no Hoare annotation was computed. [2020-08-21 16:23:48,478 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 16:23:48,478 INFO L268 CegarLoopResult]: For program point L878-1(line 878) no Hoare annotation was computed. [2020-08-21 16:23:48,478 INFO L268 CegarLoopResult]: For program point L876(lines 876 889) no Hoare annotation was computed. [2020-08-21 16:23:48,478 INFO L268 CegarLoopResult]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2020-08-21 16:23:48,479 INFO L271 CegarLoopResult]: At program point L874(line 874) the Hoare annotation is: true [2020-08-21 16:23:48,479 INFO L268 CegarLoopResult]: For program point L874-1(line 874) no Hoare annotation was computed. [2020-08-21 16:23:48,479 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 844 866) 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))) [2020-08-21 16:23:48,479 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2020-08-21 16:23:48,479 INFO L264 CegarLoopResult]: At program point L856(line 856) 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)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 16:23:48,480 INFO L264 CegarLoopResult]: At program point L856-1(line 856) 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)|) (= main_~tmp~6 ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 16:23:48,480 INFO L268 CegarLoopResult]: For program point L854(lines 854 861) no Hoare annotation was computed. [2020-08-21 16:23:48,480 INFO L268 CegarLoopResult]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2020-08-21 16:23:48,480 INFO L268 CegarLoopResult]: For program point L852(line 852) no Hoare annotation was computed. [2020-08-21 16:23:48,480 INFO L264 CegarLoopResult]: At program point L851(line 851) 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))) [2020-08-21 16:23:48,481 INFO L264 CegarLoopResult]: At program point L850(line 850) 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))) [2020-08-21 16:23:48,481 INFO L264 CegarLoopResult]: At program point L850-1(line 850) 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))) [2020-08-21 16:23:48,481 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2020-08-21 16:23:48,481 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 803 826) no Hoare annotation was computed. [2020-08-21 16:23:48,481 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 803 826) no Hoare annotation was computed. [2020-08-21 16:23:48,481 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 803 826) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L821(line 821) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L820(line 820) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L818(line 818) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L817(line 817) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L816(line 816) no Hoare annotation was computed. [2020-08-21 16:23:48,482 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-21 16:23:48,483 INFO L268 CegarLoopResult]: For program point L814(line 814) no Hoare annotation was computed. [2020-08-21 16:23:48,483 INFO L268 CegarLoopResult]: For program point L813(line 813) no Hoare annotation was computed. [2020-08-21 16:23:48,483 INFO L268 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-08-21 16:23:48,483 INFO L268 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-08-21 16:23:48,483 INFO L268 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-08-21 16:23:48,483 INFO L268 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-08-21 16:23:48,484 INFO L268 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-08-21 16:23:48,484 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2020-08-21 16:23:48,484 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2020-08-21 16:23:48,484 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 665 672) no Hoare annotation was computed. [2020-08-21 16:23:48,484 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 665 672) no Hoare annotation was computed. [2020-08-21 16:23:48,484 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 665 672) no Hoare annotation was computed. [2020-08-21 16:23:48,484 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2020-08-21 16:23:48,485 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2020-08-21 16:23:48,485 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2020-08-21 16:23:48,485 INFO L268 CegarLoopResult]: For program point L737(lines 737 745) no Hoare annotation was computed. [2020-08-21 16:23:48,485 INFO L268 CegarLoopResult]: For program point L737-2(lines 737 745) no Hoare annotation was computed. [2020-08-21 16:23:48,485 INFO L268 CegarLoopResult]: For program point L725(lines 725 733) no Hoare annotation was computed. [2020-08-21 16:23:48,485 INFO L268 CegarLoopResult]: For program point L725-2(lines 725 733) no Hoare annotation was computed. [2020-08-21 16:23:48,486 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 718 753) no Hoare annotation was computed. [2020-08-21 16:23:48,486 INFO L268 CegarLoopResult]: For program point L748(line 748) no Hoare annotation was computed. [2020-08-21 16:23:48,486 INFO L268 CegarLoopResult]: For program point L748-1(line 748) no Hoare annotation was computed. [2020-08-21 16:23:48,486 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 718 753) no Hoare annotation was computed. [2020-08-21 16:23:48,486 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 718 753) no Hoare annotation was computed. [2020-08-21 16:23:48,486 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-21 16:23:48,487 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-21 16:23:48,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 170 215) no Hoare annotation was computed. [2020-08-21 16:23:48,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 170 215) no Hoare annotation was computed. [2020-08-21 16:23:48,487 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 170 215) no Hoare annotation was computed. [2020-08-21 16:23:48,487 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 483 528) no Hoare annotation was computed. [2020-08-21 16:23:48,487 INFO L268 CegarLoopResult]: For program point L503(lines 503 510) no Hoare annotation was computed. [2020-08-21 16:23:48,487 INFO L268 CegarLoopResult]: For program point L497(lines 497 517) no Hoare annotation was computed. [2020-08-21 16:23:48,488 INFO L268 CegarLoopResult]: For program point L497-1(lines 497 517) no Hoare annotation was computed. [2020-08-21 16:23:48,488 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 483 528) no Hoare annotation was computed. [2020-08-21 16:23:48,488 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 483 528) no Hoare annotation was computed. [2020-08-21 16:23:48,488 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 834 843) 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))) [2020-08-21 16:23:48,488 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2020-08-21 16:23:48,488 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2020-08-21 16:23:48,489 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2020-08-21 16:23:48,489 INFO L271 CegarLoopResult]: At program point L703(line 703) the Hoare annotation is: true [2020-08-21 16:23:48,489 INFO L268 CegarLoopResult]: For program point L703-1(line 703) no Hoare annotation was computed. [2020-08-21 16:23:48,489 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2020-08-21 16:23:48,489 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2020-08-21 16:23:48,489 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2020-08-21 16:23:48,489 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2020-08-21 16:23:48,490 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2020-08-21 16:23:48,490 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2020-08-21 16:23:48,490 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 16:23:48,490 INFO L264 CegarLoopResult]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))))) [2020-08-21 16:23:48,490 INFO L268 CegarLoopResult]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2020-08-21 16:23:48,490 INFO L264 CegarLoopResult]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 16:23:48,491 INFO L264 CegarLoopResult]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 16:23:48,491 INFO L268 CegarLoopResult]: For program point L648(lines 648 656) no Hoare annotation was computed. [2020-08-21 16:23:48,491 INFO L264 CegarLoopResult]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1))) [2020-08-21 16:23:48,491 INFO L268 CegarLoopResult]: For program point L646-1(line 646) no Hoare annotation was computed. [2020-08-21 16:23:48,491 INFO L268 CegarLoopResult]: For program point L644(lines 644 661) no Hoare annotation was computed. [2020-08-21 16:23:48,491 INFO L268 CegarLoopResult]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-08-21 16:23:48,492 INFO L264 CegarLoopResult]: At program point testENTRY(lines 533 598) 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))) [2020-08-21 16:23:48,492 INFO L268 CegarLoopResult]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2020-08-21 16:23:48,492 INFO L264 CegarLoopResult]: At program point L591(lines 542 592) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 16:23:48,492 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-08-21 16:23:48,492 INFO L264 CegarLoopResult]: At program point L581-2(lines 573 586) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,492 INFO L268 CegarLoopResult]: For program point L544(lines 543 590) no Hoare annotation was computed. [2020-08-21 16:23:48,493 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,493 INFO L268 CegarLoopResult]: For program point L573(lines 573 586) no Hoare annotation was computed. [2020-08-21 16:23:48,493 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,493 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-08-21 16:23:48,493 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-08-21 16:23:48,493 INFO L264 CegarLoopResult]: At program point L588(lines 543 590) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,494 INFO L264 CegarLoopResult]: At program point L555(line 555) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point L553(lines 553 559) no Hoare annotation was computed. [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 437 482) no Hoare annotation was computed. [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 437 482) no Hoare annotation was computed. [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 437 482) no Hoare annotation was computed. [2020-08-21 16:23:48,494 INFO L268 CegarLoopResult]: For program point L457(lines 457 464) no Hoare annotation was computed. [2020-08-21 16:23:48,495 INFO L268 CegarLoopResult]: For program point L451(lines 451 471) no Hoare annotation was computed. [2020-08-21 16:23:48,495 INFO L268 CegarLoopResult]: For program point L451-1(lines 451 471) no Hoare annotation was computed. [2020-08-21 16:23:48,495 INFO L268 CegarLoopResult]: For program point L139(lines 139 147) no Hoare annotation was computed. [2020-08-21 16:23:48,495 INFO L268 CegarLoopResult]: For program point L139-2(lines 139 147) no Hoare annotation was computed. [2020-08-21 16:23:48,495 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 131 153) no Hoare annotation was computed. [2020-08-21 16:23:48,495 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 131 153) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 131 153) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point L384(lines 383 403) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 16:23:48,496 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 334 436) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L415-1(line 415) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L380(lines 380 421) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L399(line 399) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L399-1(line 399) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L358(lines 358 362) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L422(lines 422 433) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 334 436) no Hoare annotation was computed. [2020-08-21 16:23:48,497 INFO L268 CegarLoopResult]: For program point L385(lines 385 389) no Hoare annotation was computed. [2020-08-21 16:23:48,498 INFO L268 CegarLoopResult]: For program point L383-2(lines 383 403) no Hoare annotation was computed. [2020-08-21 16:23:48,498 INFO L268 CegarLoopResult]: For program point L404(lines 382 405) no Hoare annotation was computed. [2020-08-21 16:23:48,498 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 334 436) no Hoare annotation was computed. [2020-08-21 16:23:48,498 INFO L268 CegarLoopResult]: For program point L363(lines 363 379) no Hoare annotation was computed. [2020-08-21 16:23:48,498 INFO L268 CegarLoopResult]: For program point L423(lines 423 430) no Hoare annotation was computed. [2020-08-21 16:23:48,498 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,499 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string42.base| |old(#t~string42.base)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 16:23:48,499 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,499 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-08-21 16:23:48,499 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 673 689) no Hoare annotation was computed. [2020-08-21 16:23:48,499 INFO L268 CegarLoopResult]: For program point L684-1(lines 673 689) no Hoare annotation was computed. [2020-08-21 16:23:48,499 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 673 689) no Hoare annotation was computed. [2020-08-21 16:23:48,499 INFO L268 CegarLoopResult]: For program point L680(lines 680 686) no Hoare annotation was computed. [2020-08-21 16:23:48,500 INFO L268 CegarLoopResult]: For program point L678(line 678) no Hoare annotation was computed. [2020-08-21 16:23:48,500 INFO L268 CegarLoopResult]: For program point L678-1(line 678) no Hoare annotation was computed. [2020-08-21 16:23:48,500 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2020-08-21 16:23:48,500 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2020-08-21 16:23:48,500 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2020-08-21 16:23:48,500 INFO L268 CegarLoopResult]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2020-08-21 16:23:48,500 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 (not (<= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,501 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2020-08-21 16:23:48,501 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,501 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,501 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,501 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2020-08-21 16:23:48,501 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2020-08-21 16:23:48,501 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2020-08-21 16:23:48,502 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 16:23:48,502 INFO L264 CegarLoopResult]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 16:23:48,502 INFO L264 CegarLoopResult]: At program point L619(lines 619 625) the Hoare annotation is: (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2) (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2))) [2020-08-21 16:23:48,502 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2020-08-21 16:23:48,502 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2020-08-21 16:23:48,502 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or (not (<= 2 |old(~waterLevel~0)|)) .cse0 .cse1) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1))) [2020-08-21 16:23:48,503 INFO L268 CegarLoopResult]: For program point L612(lines 611 630) no Hoare annotation was computed. [2020-08-21 16:23:48,503 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2020-08-21 16:23:48,503 INFO L271 CegarLoopResult]: At program point L798(lines 773 802) the Hoare annotation is: true [2020-08-21 16:23:48,503 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2020-08-21 16:23:48,503 INFO L268 CegarLoopResult]: For program point L794(line 794) no Hoare annotation was computed. [2020-08-21 16:23:48,503 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-08-21 16:23:48,503 INFO L271 CegarLoopResult]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2020-08-21 16:23:48,503 INFO L268 CegarLoopResult]: For program point L784(line 784) no Hoare annotation was computed. [2020-08-21 16:23:48,504 INFO L271 CegarLoopResult]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2020-08-21 16:23:48,504 INFO L271 CegarLoopResult]: At program point L779(line 779) the Hoare annotation is: true [2020-08-21 16:23:48,504 INFO L268 CegarLoopResult]: For program point L779-1(line 779) no Hoare annotation was computed. [2020-08-21 16:23:48,504 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2020-08-21 16:23:48,504 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2020-08-21 16:23:48,504 INFO L268 CegarLoopResult]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2020-08-21 16:23:48,504 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2020-08-21 16:23:48,504 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2020-08-21 16:23:48,505 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,505 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 16:23:48,505 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 16:23:48,505 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 16:23:48,505 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2020-08-21 16:23:48,505 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: (let ((.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~systemActive~0)| ~systemActive~0) (not (= ~waterLevel~0 1)) .cse1) (or .cse0 .cse1 (= 1 ~systemActive~0) (not (<= 2 ~waterLevel~0))))) [2020-08-21 16:23:48,506 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2020-08-21 16:23:48,506 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2020-08-21 16:23:48,506 INFO L268 CegarLoopResult]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2020-08-21 16:23:48,506 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 |old(~waterLevel~0)|)) .cse1 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2))) [2020-08-21 16:23:48,506 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2020-08-21 16:23:48,506 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2020-08-21 16:23:48,506 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2020-08-21 16:23:48,507 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2020-08-21 16:23:48,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 04:23:48 BoogieIcfgContainer [2020-08-21 16:23:48,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 16:23:48,528 INFO L168 Benchmark]: Toolchain (without parser) took 29402.10 ms. Allocated memory was 139.5 MB in the beginning and 662.2 MB in the end (delta: 522.7 MB). Free memory was 101.6 MB in the beginning and 412.9 MB in the end (delta: -311.3 MB). Peak memory consumption was 523.5 MB. Max. memory is 7.1 GB. [2020-08-21 16:23:48,529 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 16:23:48,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.29 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 168.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. [2020-08-21 16:23:48,530 INFO L168 Benchmark]: Boogie Preprocessor took 112.77 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 164.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-21 16:23:48,531 INFO L168 Benchmark]: RCFGBuilder took 1165.28 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.3 MB in the beginning and 197.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. [2020-08-21 16:23:48,532 INFO L168 Benchmark]: TraceAbstraction took 27466.10 ms. Allocated memory was 234.9 MB in the beginning and 662.2 MB in the end (delta: 427.3 MB). Free memory was 197.1 MB in the beginning and 412.9 MB in the end (delta: -215.8 MB). Peak memory consumption was 523.6 MB. Max. memory is 7.1 GB. [2020-08-21 16:23:48,535 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 651.29 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 101.4 MB in the beginning and 168.4 MB in the end (delta: -67.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.77 ms. Allocated memory is still 201.9 MB. Free memory was 168.4 MB in the beginning and 164.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1165.28 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 164.3 MB in the beginning and 197.1 MB in the end (delta: -32.8 MB). Peak memory consumption was 82.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 27466.10 ms. Allocated memory was 234.9 MB in the beginning and 662.2 MB in the end (delta: 427.3 MB). Free memory was 197.1 MB in the beginning and 412.9 MB in the end (delta: -215.8 MB). Peak memory consumption was 523.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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: 542]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((1 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 11.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 517 SDtfs, 1052 SDslu, 385 SDs, 0 SdLazy, 2280 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 161 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 306 PreInvPairs, 329 NumberOfFragments, 1087 HoareAnnotationTreeSize, 306 FomulaSimplifications, 51276 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 9420 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 373 NumberOfCodeBlocks, 373 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 367 ConstructedInterpolants, 0 QuantifiedInterpolants, 114032 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 25/32 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...