./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 548cbaf589264b5429347049095271c63f36d598 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 18:06:06,687 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 18:06:06,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 18:06:06,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 18:06:06,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 18:06:06,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 18:06:06,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 18:06:06,695 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 18:06:06,696 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 18:06:06,697 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 18:06:06,697 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 18:06:06,697 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 18:06:06,698 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 18:06:06,698 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 18:06:06,699 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 18:06:06,699 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 18:06:06,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 18:06:06,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 18:06:06,701 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 18:06:06,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 18:06:06,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 18:06:06,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 18:06:06,704 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 18:06:06,704 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 18:06:06,704 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 18:06:06,705 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 18:06:06,705 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 18:06:06,705 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 18:06:06,706 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 18:06:06,706 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 18:06:06,706 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 18:06:06,707 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 18:06:06,707 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 18:06:06,707 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 18:06:06,707 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 18:06:06,708 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 18:06:06,708 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 18:06:06,715 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 18:06:06,715 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 18:06:06,715 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 18:06:06,716 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 18:06:06,716 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 18:06:06,717 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 18:06:06,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 18:06:06,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 18:06:06,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 18:06:06,718 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 548cbaf589264b5429347049095271c63f36d598 [2018-12-08 18:06:06,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 18:06:06,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 18:06:06,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 18:06:06,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 18:06:06,749 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 18:06:06,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-12-08 18:06:06,794 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/data/8ed0f9870/2e0939c428c4431690428eab64be73c2/FLAG5abcf8abb [2018-12-08 18:06:07,248 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 18:06:07,248 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/sv-benchmarks/c/product-lines/minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-12-08 18:06:07,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/data/8ed0f9870/2e0939c428c4431690428eab64be73c2/FLAG5abcf8abb [2018-12-08 18:06:07,263 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/data/8ed0f9870/2e0939c428c4431690428eab64be73c2 [2018-12-08 18:06:07,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 18:06:07,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 18:06:07,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 18:06:07,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 18:06:07,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 18:06:07,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07, skipping insertion in model container [2018-12-08 18:06:07,271 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 18:06:07,296 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 18:06:07,450 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:06:07,498 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 18:06:07,551 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 18:06:07,569 INFO L195 MainTranslator]: Completed translation [2018-12-08 18:06:07,569 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07 WrapperNode [2018-12-08 18:06:07,569 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 18:06:07,570 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 18:06:07,570 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 18:06:07,570 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 18:06:07,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 18:06:07,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 18:06:07,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 18:06:07,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 18:06:07,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... [2018-12-08 18:06:07,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 18:06:07,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 18:06:07,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 18:06:07,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 18:06:07,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/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 [2018-12-08 18:06:07,651 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 18:06:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 18:06:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 18:06:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 18:06:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 18:06:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 18:06:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 18:06:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 18:06:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 18:06:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 18:06:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 18:06:07,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 18:06:07,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 18:06:07,653 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 18:06:07,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 18:06:07,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 18:06:07,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 18:06:07,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 18:06:07,655 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 18:06:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 18:06:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 18:06:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 18:06:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 18:06:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 18:06:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 18:06:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 18:06:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 18:06:07,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 18:06:07,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 18:06:07,947 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 18:06:07,948 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 18:06:07,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:06:07 BoogieIcfgContainer [2018-12-08 18:06:07,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 18:06:07,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 18:06:07,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 18:06:07,950 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 18:06:07,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 06:06:07" (1/3) ... [2018-12-08 18:06:07,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78131d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:06:07, skipping insertion in model container [2018-12-08 18:06:07,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 06:06:07" (2/3) ... [2018-12-08 18:06:07,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78131d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 06:06:07, skipping insertion in model container [2018-12-08 18:06:07,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:06:07" (3/3) ... [2018-12-08 18:06:07,952 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product55_true-unreach-call_false-termination.cil.c [2018-12-08 18:06:07,958 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 18:06:07,963 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 18:06:07,972 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 18:06:07,990 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 18:06:07,991 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 18:06:07,991 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 18:06:07,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 18:06:07,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 18:06:07,991 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 18:06:07,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 18:06:07,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 18:06:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2018-12-08 18:06:08,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 18:06:08,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:08,008 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:08,009 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:08,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:08,012 INFO L82 PathProgramCache]: Analyzing trace with hash -2044994500, now seen corresponding path program 1 times [2018-12-08 18:06:08,014 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:08,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:08,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:08,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:08,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:08,155 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:08,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 18:06:08,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:08,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 18:06:08,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 18:06:08,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:06:08,167 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2018-12-08 18:06:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:08,193 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2018-12-08 18:06:08,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 18:06:08,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 18:06:08,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:08,201 INFO L225 Difference]: With dead ends: 320 [2018-12-08 18:06:08,201 INFO L226 Difference]: Without dead ends: 162 [2018-12-08 18:06:08,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 18:06:08,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-12-08 18:06:08,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-12-08 18:06:08,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-12-08 18:06:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2018-12-08 18:06:08,235 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 59 [2018-12-08 18:06:08,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:08,235 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2018-12-08 18:06:08,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 18:06:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2018-12-08 18:06:08,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 18:06:08,237 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:08,237 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:08,237 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:08,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:08,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2066633447, now seen corresponding path program 1 times [2018-12-08 18:06:08,238 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:08,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:08,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:08,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:08,239 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:08,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:08,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:06:08,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:08,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:06:08,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:06:08,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:06:08,325 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 7 states. [2018-12-08 18:06:08,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:08,637 INFO L93 Difference]: Finished difference Result 495 states and 612 transitions. [2018-12-08 18:06:08,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 18:06:08,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 18:06:08,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:08,640 INFO L225 Difference]: With dead ends: 495 [2018-12-08 18:06:08,640 INFO L226 Difference]: Without dead ends: 361 [2018-12-08 18:06:08,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 18:06:08,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-12-08 18:06:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 353. [2018-12-08 18:06:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-12-08 18:06:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 434 transitions. [2018-12-08 18:06:08,667 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 434 transitions. Word has length 64 [2018-12-08 18:06:08,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:08,668 INFO L480 AbstractCegarLoop]: Abstraction has 353 states and 434 transitions. [2018-12-08 18:06:08,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:06:08,668 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 434 transitions. [2018-12-08 18:06:08,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 18:06:08,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:08,670 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:08,670 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:08,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:08,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1296411485, now seen corresponding path program 1 times [2018-12-08 18:06:08,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:08,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:08,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:08,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:08,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:08,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:08,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 18:06:08,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:08,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 18:06:08,736 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:08,736 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 18:06:08,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 18:06:08,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:06:08,737 INFO L87 Difference]: Start difference. First operand 353 states and 434 transitions. Second operand 7 states. [2018-12-08 18:06:09,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:09,160 INFO L93 Difference]: Finished difference Result 918 states and 1242 transitions. [2018-12-08 18:06:09,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 18:06:09,160 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-08 18:06:09,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:09,163 INFO L225 Difference]: With dead ends: 918 [2018-12-08 18:06:09,163 INFO L226 Difference]: Without dead ends: 593 [2018-12-08 18:06:09,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 18:06:09,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-08 18:06:09,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 513. [2018-12-08 18:06:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-12-08 18:06:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 645 transitions. [2018-12-08 18:06:09,202 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 645 transitions. Word has length 70 [2018-12-08 18:06:09,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:09,203 INFO L480 AbstractCegarLoop]: Abstraction has 513 states and 645 transitions. [2018-12-08 18:06:09,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 18:06:09,203 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 645 transitions. [2018-12-08 18:06:09,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:06:09,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:09,205 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:09,205 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:09,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:09,205 INFO L82 PathProgramCache]: Analyzing trace with hash 290465587, now seen corresponding path program 1 times [2018-12-08 18:06:09,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:09,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:09,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:09,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:09,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 18:06:09,266 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:09,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 18:06:09,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 18:06:09,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 18:06:09,266 INFO L87 Difference]: Start difference. First operand 513 states and 645 transitions. Second operand 6 states. [2018-12-08 18:06:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:09,302 INFO L93 Difference]: Finished difference Result 1008 states and 1301 transitions. [2018-12-08 18:06:09,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 18:06:09,302 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 97 [2018-12-08 18:06:09,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:09,304 INFO L225 Difference]: With dead ends: 1008 [2018-12-08 18:06:09,304 INFO L226 Difference]: Without dead ends: 523 [2018-12-08 18:06:09,305 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 18:06:09,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2018-12-08 18:06:09,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2018-12-08 18:06:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-12-08 18:06:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 655 transitions. [2018-12-08 18:06:09,323 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 655 transitions. Word has length 97 [2018-12-08 18:06:09,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:09,323 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 655 transitions. [2018-12-08 18:06:09,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 18:06:09,323 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 655 transitions. [2018-12-08 18:06:09,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:06:09,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:09,325 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:09,325 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:09,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:09,325 INFO L82 PathProgramCache]: Analyzing trace with hash 218079029, now seen corresponding path program 1 times [2018-12-08 18:06:09,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:09,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:09,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:09,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:09,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:09,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 18:06:09,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:09,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 18:06:09,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 18:06:09,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:06:09,408 INFO L87 Difference]: Start difference. First operand 523 states and 655 transitions. Second operand 8 states. [2018-12-08 18:06:09,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:09,436 INFO L93 Difference]: Finished difference Result 1032 states and 1354 transitions. [2018-12-08 18:06:09,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 18:06:09,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 97 [2018-12-08 18:06:09,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:09,439 INFO L225 Difference]: With dead ends: 1032 [2018-12-08 18:06:09,439 INFO L226 Difference]: Without dead ends: 537 [2018-12-08 18:06:09,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 18:06:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-12-08 18:06:09,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 531. [2018-12-08 18:06:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2018-12-08 18:06:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 663 transitions. [2018-12-08 18:06:09,468 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 663 transitions. Word has length 97 [2018-12-08 18:06:09,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:09,468 INFO L480 AbstractCegarLoop]: Abstraction has 531 states and 663 transitions. [2018-12-08 18:06:09,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 18:06:09,468 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 663 transitions. [2018-12-08 18:06:09,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 18:06:09,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:09,470 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:09,470 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:09,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:09,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1713400370, now seen corresponding path program 1 times [2018-12-08 18:06:09,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:09,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:09,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:09,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:09,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 18:06:09,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:09,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 18:06:09,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 18:06:09,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:06:09,509 INFO L87 Difference]: Start difference. First operand 531 states and 663 transitions. Second operand 3 states. [2018-12-08 18:06:09,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:09,521 INFO L93 Difference]: Finished difference Result 885 states and 1062 transitions. [2018-12-08 18:06:09,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 18:06:09,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-08 18:06:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:09,523 INFO L225 Difference]: With dead ends: 885 [2018-12-08 18:06:09,523 INFO L226 Difference]: Without dead ends: 486 [2018-12-08 18:06:09,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 18:06:09,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2018-12-08 18:06:09,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2018-12-08 18:06:09,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2018-12-08 18:06:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 583 transitions. [2018-12-08 18:06:09,538 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 583 transitions. Word has length 93 [2018-12-08 18:06:09,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:09,539 INFO L480 AbstractCegarLoop]: Abstraction has 486 states and 583 transitions. [2018-12-08 18:06:09,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 18:06:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 583 transitions. [2018-12-08 18:06:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 18:06:09,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:09,540 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:09,540 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:09,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:09,540 INFO L82 PathProgramCache]: Analyzing trace with hash 547844790, now seen corresponding path program 1 times [2018-12-08 18:06:09,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:09,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,540 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:09,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,541 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:09,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:09,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 18:06:09,590 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:09,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 18:06:09,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 18:06:09,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:06:09,591 INFO L87 Difference]: Start difference. First operand 486 states and 583 transitions. Second operand 4 states. [2018-12-08 18:06:09,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:09,763 INFO L93 Difference]: Finished difference Result 1550 states and 1948 transitions. [2018-12-08 18:06:09,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 18:06:09,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 97 [2018-12-08 18:06:09,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:09,766 INFO L225 Difference]: With dead ends: 1550 [2018-12-08 18:06:09,766 INFO L226 Difference]: Without dead ends: 1092 [2018-12-08 18:06:09,767 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 18:06:09,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2018-12-08 18:06:09,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1075. [2018-12-08 18:06:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1075 states. [2018-12-08 18:06:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1324 transitions. [2018-12-08 18:06:09,803 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1324 transitions. Word has length 97 [2018-12-08 18:06:09,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:09,803 INFO L480 AbstractCegarLoop]: Abstraction has 1075 states and 1324 transitions. [2018-12-08 18:06:09,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 18:06:09,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1324 transitions. [2018-12-08 18:06:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 18:06:09,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:09,804 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:09,804 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:09,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:09,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1712195356, now seen corresponding path program 1 times [2018-12-08 18:06:09,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:09,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:09,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:09,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 18:06:09,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 18:06:09,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 18:06:09,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 18:06:09,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 18:06:09,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 18:06:09,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 18:06:09,897 INFO L87 Difference]: Start difference. First operand 1075 states and 1324 transitions. Second operand 9 states. [2018-12-08 18:06:10,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:10,529 INFO L93 Difference]: Finished difference Result 2922 states and 3768 transitions. [2018-12-08 18:06:10,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 18:06:10,530 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2018-12-08 18:06:10,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:10,536 INFO L225 Difference]: With dead ends: 2922 [2018-12-08 18:06:10,536 INFO L226 Difference]: Without dead ends: 2067 [2018-12-08 18:06:10,538 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:06:10,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2018-12-08 18:06:10,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1836. [2018-12-08 18:06:10,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1836 states. [2018-12-08 18:06:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2223 transitions. [2018-12-08 18:06:10,636 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2223 transitions. Word has length 101 [2018-12-08 18:06:10,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:10,636 INFO L480 AbstractCegarLoop]: Abstraction has 1836 states and 2223 transitions. [2018-12-08 18:06:10,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 18:06:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2223 transitions. [2018-12-08 18:06:10,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-08 18:06:10,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:10,639 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:10,639 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:10,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:10,639 INFO L82 PathProgramCache]: Analyzing trace with hash 45731272, now seen corresponding path program 1 times [2018-12-08 18:06:10,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:10,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:10,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:10,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:10,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:10,737 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 18:06:10,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:06:10,737 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:06:10,738 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-12-08 18:06:10,739 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [83], [85], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [173], [174], [175], [176], [184], [185], [189], [192], [196], [202], [231], [235], [236], [240], [243], [245], [248], [255], [258], [261], [265], [266], [269], [272], [274], [280], [284], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [301], [302], [303], [304], [308], [309], [310], [311], [312], [314], [315], [316], [317], [320], [321], [322], [323], [324], [325], [330], [331], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [348], [349], [350], [352], [353], [354], [355], [358], [359], [360], [361], [364], [365], [366], [367] [2018-12-08 18:06:10,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:06:10,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:06:12,240 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:06:12,241 INFO L272 AbstractInterpreter]: Visited 144 different actions 847 times. Merged at 18 different actions 66 times. Never widened. Performed 32968 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 18:06:12,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:12,246 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:06:12,247 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:06:12,247 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:06:12,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:12,253 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:06:12,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:12,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:06:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 18:06:12,456 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:06:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 18:06:12,721 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:06:12,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 18:06:12,722 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:06:12,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 18:06:12,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 18:06:12,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 18:06:12,723 INFO L87 Difference]: Start difference. First operand 1836 states and 2223 transitions. Second operand 16 states. [2018-12-08 18:06:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:13,580 INFO L93 Difference]: Finished difference Result 4133 states and 5212 transitions. [2018-12-08 18:06:13,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 18:06:13,580 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 178 [2018-12-08 18:06:13,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:13,591 INFO L225 Difference]: With dead ends: 4133 [2018-12-08 18:06:13,591 INFO L226 Difference]: Without dead ends: 2511 [2018-12-08 18:06:13,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 348 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-08 18:06:13,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2018-12-08 18:06:13,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2265. [2018-12-08 18:06:13,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2265 states. [2018-12-08 18:06:13,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 2693 transitions. [2018-12-08 18:06:13,720 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 2693 transitions. Word has length 178 [2018-12-08 18:06:13,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:13,720 INFO L480 AbstractCegarLoop]: Abstraction has 2265 states and 2693 transitions. [2018-12-08 18:06:13,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 18:06:13,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2693 transitions. [2018-12-08 18:06:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-08 18:06:13,725 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 18:06:13,725 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 18:06:13,725 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 18:06:13,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:13,725 INFO L82 PathProgramCache]: Analyzing trace with hash 469356375, now seen corresponding path program 1 times [2018-12-08 18:06:13,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 18:06:13,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:13,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:13,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 18:06:13,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 18:06:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 74 proven. 53 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2018-12-08 18:06:13,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:06:13,881 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 18:06:13,881 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 298 with the following transitions: [2018-12-08 18:06:13,881 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [85], [88], [91], [95], [98], [99], [103], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [158], [159], [160], [161], [162], [163], [164], [166], [171], [173], [174], [175], [176], [184], [185], [189], [192], [196], [202], [231], [235], [236], [240], [243], [245], [248], [255], [258], [261], [265], [266], [269], [272], [274], [280], [284], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [298], [299], [300], [301], [302], [303], [304], [308], [309], [310], [311], [312], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [330], [331], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [348], [349], [350], [352], [353], [354], [355], [358], [359], [360], [361], [364], [365], [366], [367] [2018-12-08 18:06:13,885 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 18:06:13,885 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 18:06:15,264 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 18:06:15,264 INFO L272 AbstractInterpreter]: Visited 149 different actions 981 times. Merged at 19 different actions 91 times. Never widened. Performed 40541 root evaluator evaluations with a maximum evaluation depth of 5. Performed 40541 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-08 18:06:15,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 18:06:15,266 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 18:06:15,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 18:06:15,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 18:06:15,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 18:06:15,272 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 18:06:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 18:06:15,371 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 18:06:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 204 proven. 4 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 18:06:15,524 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 18:06:15,971 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-12-08 18:06:15,987 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 18:06:15,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 28 [2018-12-08 18:06:15,987 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 18:06:15,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 18:06:15,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 18:06:15,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=636, Unknown=0, NotChecked=0, Total=756 [2018-12-08 18:06:15,988 INFO L87 Difference]: Start difference. First operand 2265 states and 2693 transitions. Second operand 20 states. [2018-12-08 18:06:18,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 18:06:18,090 INFO L93 Difference]: Finished difference Result 6887 states and 9375 transitions. [2018-12-08 18:06:18,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-08 18:06:18,090 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 297 [2018-12-08 18:06:18,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 18:06:18,091 INFO L225 Difference]: With dead ends: 6887 [2018-12-08 18:06:18,091 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 18:06:18,100 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 647 GetRequests, 585 SyntacticMatches, 11 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 571 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=545, Invalid=2211, Unknown=0, NotChecked=0, Total=2756 [2018-12-08 18:06:18,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 18:06:18,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 18:06:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 18:06:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 18:06:18,101 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 297 [2018-12-08 18:06:18,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 18:06:18,101 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 18:06:18,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 18:06:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 18:06:18,101 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 18:06:18,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 18:06:18,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:18,981 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 79 [2018-12-08 18:06:19,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 18:06:19,390 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 26 [2018-12-08 18:06:19,553 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-12-08 18:06:19,790 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2018-12-08 18:06:20,107 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 32 [2018-12-08 18:06:20,823 WARN L180 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2018-12-08 18:06:20,936 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 30 [2018-12-08 18:06:21,498 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 55 [2018-12-08 18:06:21,635 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2018-12-08 18:06:22,099 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 47 [2018-12-08 18:06:22,349 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 33 [2018-12-08 18:06:23,073 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 34 [2018-12-08 18:06:23,778 WARN L180 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 42 [2018-12-08 18:06:23,991 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 35 [2018-12-08 18:06:24,221 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 35 [2018-12-08 18:06:24,464 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2018-12-08 18:06:24,715 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2018-12-08 18:06:25,060 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 48 [2018-12-08 18:06:25,170 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 530 536) the Hoare annotation is: true [2018-12-08 18:06:25,170 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 530 536) no Hoare annotation was computed. [2018-12-08 18:06:25,170 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 537 545) no Hoare annotation was computed. [2018-12-08 18:06:25,170 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 537 545) the Hoare annotation is: true [2018-12-08 18:06:25,170 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 537 545) no Hoare annotation was computed. [2018-12-08 18:06:25,170 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 980 987) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 18:06:25,170 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 980 987) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 980 987) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L993(line 993) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 988 997) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 2 ~waterLevel~0)) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3) (or (< 1 ~waterLevel~0) .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse6 (not (= ~waterLevel~0 1))) (or .cse4 .cse3 .cse2 (not (= ~waterLevel~0 2))) (or .cse5 .cse4 .cse0 .cse1 .cse6))) [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 988 997) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 988 997) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L444 ceAbstractionStarter]: At program point L1013(line 1013) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 0 ~waterLevel~0) .cse2 .cse3 .cse1) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse0 .cse2) (or .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L1010(lines 1010 1020) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 998 1026) the Hoare annotation is: true [2018-12-08 18:06:25,171 INFO L444 ceAbstractionStarter]: At program point L1008(line 1008) the Hoare annotation is: (let ((.cse0 (< 0 ~waterLevel~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse5 (< ~switchedOnBeforeTS~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= ~waterLevel~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 (not (= ~waterLevel~0 2))) (or .cse5 .cse0 .cse6 .cse1 .cse2) (or .cse1 .cse3 .cse4 .cse7 .cse2) (or .cse5 .cse6 .cse1 .cse7 .cse2) (or .cse6 (< 2 ~waterLevel~0) .cse4 (and (<= ~waterLevel~0 1) .cse2)))) [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L1006(lines 1006 1023) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L1006-1(lines 998 1026) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L451 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: true [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 998 1026) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2018-12-08 18:06:25,171 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,171 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 963 977) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0)))) (let ((.cse2 (not (= ~waterLevel~0 2))) (.cse8 (< 0 ~waterLevel~0)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (and .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse2) .cse3)) (or .cse4 .cse2) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse4) (or .cse5 .cse1 .cse3 .cse6 .cse7) (or .cse8 .cse4 .cse6) (or .cse8 .cse1 .cse5 .cse3 .cse6) (or (< 2 ~waterLevel~0) .cse3 (not (= |old(~systemActive~0)| 1)) .cse6 (= ~systemActive~0 1)) (or .cse4 .cse7)))) [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 973) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 963 977) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse7 (and .cse0 .cse10)) (.cse9 (< 0 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse4 (= 0 ~pumpRunning~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (or (or .cse1 .cse2) .cse3)) (or .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse3 .cse8 .cse6) (or .cse9 .cse1 .cse7 .cse3 .cse8) (or (< ~switchedOnBeforeTS~0 1) .cse9 .cse4 .cse5) (or .cse9 .cse10 .cse5 .cse8) (or (< 2 ~waterLevel~0) .cse3 (not (= |old(~systemActive~0)| 1)) .cse8 (= ~systemActive~0 1)) (or (or .cse5 .cse2) .cse4)))) [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 963 977) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 880 888) no Hoare annotation was computed. [2018-12-08 18:06:25,172 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 880 888) the Hoare annotation is: true [2018-12-08 18:06:25,172 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 880 888) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 523 529) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 523 529) the Hoare annotation is: true [2018-12-08 18:06:25,173 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,173 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 869 879) the Hoare annotation is: true [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 869 879) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L451 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 869 879) no Hoare annotation was computed. [2018-12-08 18:06:25,173 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 861 868) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or (or .cse0 (not (= ~waterLevel~0 2))) .cse1) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-12-08 18:06:25,173 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 861 868) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 861 868) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point L834-1(line 834) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 849) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 828 852) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 828 852) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (< 2 ~waterLevel~0) .cse0 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,174 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1) (or .cse0 .cse2 .cse1 (not (= ~waterLevel~0 1))) (or (< 0 ~waterLevel~0) .cse0 .cse2 .cse1))) [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 828 852) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,174 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 844) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 719) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 709 722) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 709 722) the Hoare annotation is: true [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 709 722) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 768 774) no Hoare annotation was computed. [2018-12-08 18:06:25,174 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 768 774) the Hoare annotation is: true [2018-12-08 18:06:25,174 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 557 622) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,175 INFO L444 ceAbstractionStarter]: At program point L605(line 605) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= ~waterLevel~0 1) .cse3 .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 (<= ~waterLevel~0 2) .cse1) (and (= ~waterLevel~0 2) (and .cse2 .cse3 .cse1)) (and .cse0 (<= ~waterLevel~0 0) .cse1 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 609) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L444 ceAbstractionStarter]: At program point L603-1(lines 597 610) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 2) .cse2) (and .cse0 (<= ~waterLevel~0 1) .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L568(lines 567 614) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 557 622) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 610) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse7 (<= ~waterLevel~0 2)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse5 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (<= ~waterLevel~0 1) .cse5 .cse2 .cse6) (and .cse0 .cse7 .cse2 .cse6) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse3 .cse7 .cse2) (and .cse0 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 593) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L444 ceAbstractionStarter]: At program point L612(lines 567 614) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= 1 ~waterLevel~0) (= ~systemActive~0 1) .cse1) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse2 .cse3 .cse1) (and .cse2 .cse3 .cse4 .cse1 .cse5) (and .cse2 .cse6 .cse4 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse5) (and .cse0 .cse6 .cse1 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:06:25,175 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 2)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (= 1 ~waterLevel~0) (= ~systemActive~0 1) .cse2) (and .cse4 .cse5 .cse6 .cse2) (and .cse4 .cse1 .cse6 .cse2 .cse3) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse4 .cse1 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L577(lines 577 583) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L577-1(lines 577 583) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L444 ceAbstractionStarter]: At program point L615(lines 566 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 557 622) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 723 731) no Hoare annotation was computed. [2018-12-08 18:06:25,175 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 723 731) the Hoare annotation is: true [2018-12-08 18:06:25,175 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 723 731) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 853 860) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 853 860) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 853 860) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 925 943) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 925 943) the Hoare annotation is: true [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 925 943) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L451 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: true [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point L934-2(lines 934 938) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point L932-1(line 932) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 700 708) the Hoare annotation is: true [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 700 708) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 700 708) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 656 667) the Hoare annotation is: true [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 656 667) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point L660-1(lines 656 667) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 668 676) the Hoare annotation is: true [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 668 676) no Hoare annotation was computed. [2018-12-08 18:06:25,176 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 668 676) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L444 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse1 (<= ~waterLevel~0 0) .cse2) .cse3 .cse4) (or (or (or .cse0 (not (= |old(~waterLevel~0)| 2))) .cse3) (and (= 1 ~waterLevel~0) .cse1 .cse2)) (or (< 0 |old(~waterLevel~0)|) .cse5 .cse0 .cse3 .cse4) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 |old(~waterLevel~0)|) (and (= 0 ~pumpRunning~0) (not .cse0) .cse5 .cse2)))) [2018-12-08 18:06:25,177 INFO L444 ceAbstractionStarter]: At program point L755(lines 755 761) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~systemActive~0 0))) (let ((.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse8 (not .cse1)) (.cse9 (= ~pumpRunning~0 1)) (.cse15 (or (= ~waterLevel~0 1) .cse6)) (.cse16 (<= ~waterLevel~0 0)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and .cse9 .cse15 .cse16 .cse7)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse4 (and .cse12 .cse5 .cse8 .cse15 .cse16)) (.cse10 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse6) (or .cse10 .cse11)) (let ((.cse13 (= 1 ~waterLevel~0))) (or (or (or .cse1 .cse11) .cse2) (and .cse12 .cse5 .cse13) (and .cse13 .cse9 .cse7))) (let ((.cse14 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse12 .cse14 .cse5) .cse0 .cse1 (< 2 |old(~waterLevel~0)|) .cse2 .cse3 .cse4 (and .cse14 .cse9 .cse7))) (or (< 1 |old(~waterLevel~0)|) .cse10 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse5 .cse15 .cse7)))))) [2018-12-08 18:06:25,177 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 741 767) the Hoare annotation is: (let ((.cse12 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (< 0 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 0)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (= ~systemActive~0 0)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (= ~pumpRunning~0 1)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= 0 ~pumpRunning~0)) (.cse15 (or (= ~waterLevel~0 1) .cse12))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse7) (or .cse8 .cse5 .cse1 .cse9 .cse10) (or (and .cse11 .cse12) (or .cse5 .cse7)) (or .cse0 .cse5 .cse2) (or .cse13 .cse5 .cse4 .cse6) (or .cse1 .cse9 .cse3 .cse4 (and .cse14 .cse15 .cse6)) (or .cse8 .cse5 .cse10 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse7) .cse3) (and .cse14 .cse12)) (or .cse13 .cse5 (and .cse11 .cse15))))) [2018-12-08 18:06:25,177 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0) (or .cse1 (< 2 |old(~waterLevel~0)|) .cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (or .cse0 .cse5) (or .cse1 .cse2 (and (= ~waterLevel~0 2) .cse3 .cse4) .cse5))) [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point L748(lines 744 766) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 741 767) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point L746(lines 744 766) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 741 767) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-12-08 18:06:25,177 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-12-08 18:06:25,177 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 632 643) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2)) .cse3) (or (= 1 ~waterLevel~0) .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3 .cse2))) [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point L636-1(lines 632 643) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 632 643) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 18:06:25,178 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 776 800) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 .cse0 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse0 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 776 800) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L444 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point L795-1(lines 776 800) no Hoare annotation was computed. [2018-12-08 18:06:25,178 INFO L444 ceAbstractionStarter]: At program point L790(line 790) the Hoare annotation is: (let ((.cse0 (< 0 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse4) (or .cse3 .cse4 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse4 .cse6 .cse3))) [2018-12-08 18:06:25,178 INFO L444 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (< 0 ~waterLevel~0) .cse1 .cse3 .cse2))) [2018-12-08 18:06:25,178 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 792) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse2 .cse3 .cse1 .cse0) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or (< 0 ~waterLevel~0) .cse3 .cse4 .cse0))) [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 797) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 644 655) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point L648-1(lines 644 655) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 644 655) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse10 (< 0 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse11 (<= ~waterLevel~0 0)) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse6 (or (= ~waterLevel~0 1) .cse9)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or (or .cse5 (not (= ~systemActive~0 1)) .cse7) .cse8) (or .cse8 .cse0 .cse1 .cse4 .cse7) (or .cse9 .cse4 .cse5 .cse2) (or .cse10 .cse11 .cse4 .cse5) (or .cse10 .cse0 .cse1 (and .cse6 .cse11) .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse6) (or .cse5 .cse0))))) [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 547 554) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 547 554) the Hoare annotation is: true [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 551) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 547 554) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 802 826) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 802 826) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 .cse0 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse0 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,179 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))) (or (< 1 ~waterLevel~0) .cse2 .cse3 .cse1 .cse0) (or .cse3 .cse4 .cse0 (not (= ~waterLevel~0 1))) (or (< 0 ~waterLevel~0) .cse3 .cse4 .cse0))) [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point L821-1(lines 802 826) no Hoare annotation was computed. [2018-12-08 18:06:25,179 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,179 INFO L444 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,179 INFO L448 ceAbstractionStarter]: For program point L810(lines 810 818) no Hoare annotation was computed. [2018-12-08 18:06:25,180 INFO L444 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse4 .cse1 .cse3 (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) .cse4 .cse1 .cse3) (or (< 0 ~waterLevel~0) .cse1 .cse0 .cse2 .cse3))) [2018-12-08 18:06:25,180 INFO L448 ceAbstractionStarter]: For program point L808-1(line 808) no Hoare annotation was computed. [2018-12-08 18:06:25,180 INFO L448 ceAbstractionStarter]: For program point L806(lines 806 823) no Hoare annotation was computed. [2018-12-08 18:06:25,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 06:06:25 BoogieIcfgContainer [2018-12-08 18:06:25,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 18:06:25,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 18:06:25,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 18:06:25,188 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 18:06:25,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 06:06:07" (3/4) ... [2018-12-08 18:06:25,191 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 18:06:25,194 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 18:06:25,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 18:06:25,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 18:06:25,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 18:06:25,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 18:06:25,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 18:06:25,200 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-08 18:06:25,200 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 18:06:25,200 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 18:06:25,200 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 18:06:25,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 18:06:25,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 18:06:25,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) || ((((1 <= switchedOnBeforeTS && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((!(systemActive == 0) && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((!(systemActive == 0) && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == pumpRunning && waterLevel == 2) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 18:06:25,217 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 18:06:25,241 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_995f655c-20f6-4466-be7c-f8745e75c7af/bin-2019/utaipan/witness.graphml [2018-12-08 18:06:25,241 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 18:06:25,241 INFO L168 Benchmark]: Toolchain (without parser) took 17976.19 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 913.3 MB). Free memory was 947.0 MB in the beginning and 988.2 MB in the end (delta: -41.2 MB). Peak memory consumption was 872.1 MB. Max. memory is 11.5 GB. [2018-12-08 18:06:25,242 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:06:25,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-08 18:06:25,242 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 18:06:25,242 INFO L168 Benchmark]: Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 18:06:25,242 INFO L168 Benchmark]: RCFGBuilder took 334.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-08 18:06:25,242 INFO L168 Benchmark]: TraceAbstraction took 17239.04 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 804.3 MB). Free memory was 1.0 GB in the beginning and 988.2 MB in the end (delta: 50.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-08 18:06:25,243 INFO L168 Benchmark]: Witness Printer took 53.41 ms. Allocated memory is still 1.9 GB. Free memory was 988.2 MB in the beginning and 988.2 MB in the end (delta: 59.5 kB). Peak memory consumption was 59.5 kB. Max. memory is 11.5 GB. [2018-12-08 18:06:25,244 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17239.04 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 804.3 MB). Free memory was 1.0 GB in the beginning and 988.2 MB in the end (delta: 50.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 53.41 ms. Allocated memory is still 1.9 GB. Free memory was 988.2 MB in the beginning and 988.2 MB in the end (delta: 59.5 kB). Peak memory consumption was 59.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 551]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) || ((((1 <= switchedOnBeforeTS && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((!(systemActive == 0) && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((!(systemActive == 0) && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == pumpRunning && waterLevel == 2) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 175 locations, 1 error locations. SAFE Result, 17.1s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 7.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2438 SDtfs, 2979 SDslu, 7584 SDs, 0 SdLazy, 7232 SolverSat, 1600 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1123 GetRequests, 969 SyntacticMatches, 19 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 876 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2265occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 588 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 5273 PreInvPairs, 6359 NumberOfFragments, 3273 HoareAnnotationTreeSize, 5273 FomulaSimplifications, 34891 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 72 FomulaSimplificationsInter, 71546 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1628 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2089 ConstructedInterpolants, 0 QuantifiedInterpolants, 673839 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2192 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 14 InterpolantComputations, 8 PerfectInterpolantSequences, 865/987 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...