./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_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_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/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 216d00aaae39a5385dce6e868b43ee8cd776a043 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:39:19,695 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:39:19,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:39:19,702 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:39:19,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:39:19,703 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:39:19,704 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:39:19,705 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:39:19,706 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:39:19,706 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:39:19,706 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:39:19,707 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:39:19,707 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:39:19,707 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:39:19,708 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:39:19,708 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:39:19,709 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:39:19,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:39:19,711 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:39:19,712 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:39:19,712 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:39:19,713 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:39:19,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:39:19,714 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:39:19,714 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:39:19,715 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:39:19,715 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:39:19,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:39:19,716 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:39:19,716 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:39:19,717 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:39:19,717 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:39:19,717 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:39:19,717 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:39:19,718 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:39:19,718 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:39:19,718 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:39:19,726 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:39:19,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:39:19,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:39:19,726 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:39:19,727 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:39:19,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:39:19,727 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:39:19,727 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:39:19,727 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:39:19,727 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:39:19,727 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:39:19,728 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:39:19,728 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:39:19,728 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:39:19,728 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:39:19,728 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:39:19,729 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:39:19,730 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:39:19,730 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:39:19,730 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:39:19,730 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:39:19,730 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:39:19,730 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:39:19,730 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:39:19,730 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:39:19,731 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:39:19,731 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:39:19,731 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:39:19,731 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:39:19,731 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_079a41fe-d61a-481b-a829-7b4066cf020f/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-12-03 02:39:19,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:39:19,755 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:39:19,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:39:19,758 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:39:19,758 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:39:19,758 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-03 02:39:19,792 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/data/dcddc7be7/003aa742ed7f41d7b96faf650932a268/FLAGcb571d701 [2018-12-03 02:39:20,228 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:39:20,229 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-03 02:39:20,235 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/data/dcddc7be7/003aa742ed7f41d7b96faf650932a268/FLAGcb571d701 [2018-12-03 02:39:20,243 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/data/dcddc7be7/003aa742ed7f41d7b96faf650932a268 [2018-12-03 02:39:20,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:39:20,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:39:20,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:39:20,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:39:20,248 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:39:20,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,250 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 03.12 02:39:20, skipping insertion in model container [2018-12-03 02:39:20,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:39:20,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:39:20,420 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:39:20,466 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:39:20,514 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:39:20,532 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:39:20,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20 WrapperNode [2018-12-03 02:39:20,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:39:20,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:39:20,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:39:20,533 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:39:20,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,562 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:39:20,563 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:39:20,563 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:39:20,563 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:39:20,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... [2018-12-03 02:39:20,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:39:20,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:39:20,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:39:20,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:39:20,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/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 [2018-12-03 02:39:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 02:39:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 02:39:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:39:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:39:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 02:39:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 02:39:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 02:39:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 02:39:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:39:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 02:39:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 02:39:20,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 02:39:20,618 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 02:39:20,619 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 02:39:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 02:39:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 02:39:20,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 02:39:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 02:39:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 02:39:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 02:39:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 02:39:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 02:39:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 02:39:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 02:39:20,621 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 02:39:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 02:39:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:39:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:39:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 02:39:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 02:39:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 02:39:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 02:39:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:39:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:39:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-03 02:39:20,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-03 02:39:20,919 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:39:20,919 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 02:39:20,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:20 BoogieIcfgContainer [2018-12-03 02:39:20,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:39:20,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:39:20,921 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:39:20,923 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:39:20,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:39:20" (1/3) ... [2018-12-03 02:39:20,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67abe51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:39:20, skipping insertion in model container [2018-12-03 02:39:20,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:20" (2/3) ... [2018-12-03 02:39:20,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67abe51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:39:20, skipping insertion in model container [2018-12-03 02:39:20,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:20" (3/3) ... [2018-12-03 02:39:20,926 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-12-03 02:39:20,933 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:39:20,940 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:39:20,952 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:39:20,975 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:39:20,975 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:39:20,975 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:39:20,975 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:39:20,975 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:39:20,975 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:39:20,975 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:39:20,976 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:39:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-03 02:39:20,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 02:39:20,993 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:20,993 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:20,995 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:20,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:20,998 INFO L82 PathProgramCache]: Analyzing trace with hash 752822199, now seen corresponding path program 1 times [2018-12-03 02:39:20,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:21,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:21,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,027 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:39:21,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:21,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:39:21,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:21,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:39:21,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:39:21,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:39:21,148 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-03 02:39:21,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:21,172 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-12-03 02:39:21,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:39:21,173 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 02:39:21,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:21,180 INFO L225 Difference]: With dead ends: 292 [2018-12-03 02:39:21,180 INFO L226 Difference]: Without dead ends: 146 [2018-12-03 02:39:21,182 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 [2018-12-03 02:39:21,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-03 02:39:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-03 02:39:21,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-03 02:39:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-03 02:39:21,213 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 46 [2018-12-03 02:39:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:21,213 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-03 02:39:21,213 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:39:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-03 02:39:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 02:39:21,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:21,215 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:21,215 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:21,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:21,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1689313563, now seen corresponding path program 1 times [2018-12-03 02:39:21,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:21,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:21,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,216 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:21,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:39:21,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:21,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:39:21,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:21,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:39:21,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:39:21,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:39:21,270 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 3 states. [2018-12-03 02:39:21,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:21,288 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-12-03 02:39:21,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:39:21,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 02:39:21,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:21,289 INFO L225 Difference]: With dead ends: 235 [2018-12-03 02:39:21,289 INFO L226 Difference]: Without dead ends: 137 [2018-12-03 02:39:21,290 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 [2018-12-03 02:39:21,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-03 02:39:21,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-03 02:39:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-03 02:39:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2018-12-03 02:39:21,298 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 47 [2018-12-03 02:39:21,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:21,298 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2018-12-03 02:39:21,298 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:39:21,298 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2018-12-03 02:39:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 02:39:21,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:21,299 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:21,300 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:21,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:21,300 INFO L82 PathProgramCache]: Analyzing trace with hash -2056846747, now seen corresponding path program 1 times [2018-12-03 02:39:21,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:21,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:21,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:39:21,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:21,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:39:21,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:21,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:39:21,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:39:21,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:39:21,369 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 7 states. [2018-12-03 02:39:21,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:21,599 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-12-03 02:39:21,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:39:21,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-03 02:39:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:21,603 INFO L225 Difference]: With dead ends: 413 [2018-12-03 02:39:21,603 INFO L226 Difference]: Without dead ends: 300 [2018-12-03 02:39:21,604 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 [2018-12-03 02:39:21,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2018-12-03 02:39:21,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 292. [2018-12-03 02:39:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2018-12-03 02:39:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 352 transitions. [2018-12-03 02:39:21,633 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 352 transitions. Word has length 51 [2018-12-03 02:39:21,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:21,634 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 352 transitions. [2018-12-03 02:39:21,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:39:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 352 transitions. [2018-12-03 02:39:21,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 02:39:21,636 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:21,636 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:21,636 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:21,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:21,637 INFO L82 PathProgramCache]: Analyzing trace with hash 584544480, now seen corresponding path program 1 times [2018-12-03 02:39:21,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:21,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:21,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:39:21,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:21,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:39:21,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:21,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:39:21,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:39:21,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:39:21,735 INFO L87 Difference]: Start difference. First operand 292 states and 352 transitions. Second operand 6 states. [2018-12-03 02:39:21,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:21,852 INFO L93 Difference]: Finished difference Result 813 states and 1004 transitions. [2018-12-03 02:39:21,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:39:21,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-03 02:39:21,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:21,855 INFO L225 Difference]: With dead ends: 813 [2018-12-03 02:39:21,855 INFO L226 Difference]: Without dead ends: 545 [2018-12-03 02:39:21,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:39:21,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-12-03 02:39:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 539. [2018-12-03 02:39:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-12-03 02:39:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 654 transitions. [2018-12-03 02:39:21,881 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 654 transitions. Word has length 57 [2018-12-03 02:39:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:21,882 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 654 transitions. [2018-12-03 02:39:21,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:39:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 654 transitions. [2018-12-03 02:39:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 02:39:21,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:21,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:21,884 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:21,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:21,884 INFO L82 PathProgramCache]: Analyzing trace with hash -276809948, now seen corresponding path program 1 times [2018-12-03 02:39:21,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:21,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:21,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:21,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:39:21,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:21,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:39:21,936 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:21,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:39:21,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:39:21,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:39:21,937 INFO L87 Difference]: Start difference. First operand 539 states and 654 transitions. Second operand 7 states. [2018-12-03 02:39:22,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:22,354 INFO L93 Difference]: Finished difference Result 1380 states and 1791 transitions. [2018-12-03 02:39:22,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 02:39:22,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-03 02:39:22,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:22,356 INFO L225 Difference]: With dead ends: 1380 [2018-12-03 02:39:22,357 INFO L226 Difference]: Without dead ends: 865 [2018-12-03 02:39:22,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 02:39:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-12-03 02:39:22,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 769. [2018-12-03 02:39:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 769 states. [2018-12-03 02:39:22,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 931 transitions. [2018-12-03 02:39:22,387 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 931 transitions. Word has length 61 [2018-12-03 02:39:22,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:22,387 INFO L480 AbstractCegarLoop]: Abstraction has 769 states and 931 transitions. [2018-12-03 02:39:22,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:39:22,387 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 931 transitions. [2018-12-03 02:39:22,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 02:39:22,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:22,388 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] [2018-12-03 02:39:22,389 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:22,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:22,389 INFO L82 PathProgramCache]: Analyzing trace with hash -226416114, now seen corresponding path program 1 times [2018-12-03 02:39:22,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:22,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:22,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 02:39:22,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:22,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:39:22,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:22,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:39:22,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:39:22,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:39:22,425 INFO L87 Difference]: Start difference. First operand 769 states and 931 transitions. Second operand 6 states. [2018-12-03 02:39:22,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:22,467 INFO L93 Difference]: Finished difference Result 1542 states and 1926 transitions. [2018-12-03 02:39:22,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 02:39:22,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-03 02:39:22,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:22,470 INFO L225 Difference]: With dead ends: 1542 [2018-12-03 02:39:22,470 INFO L226 Difference]: Without dead ends: 797 [2018-12-03 02:39:22,471 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 [2018-12-03 02:39:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2018-12-03 02:39:22,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 789. [2018-12-03 02:39:22,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2018-12-03 02:39:22,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 951 transitions. [2018-12-03 02:39:22,496 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 951 transitions. Word has length 98 [2018-12-03 02:39:22,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:22,496 INFO L480 AbstractCegarLoop]: Abstraction has 789 states and 951 transitions. [2018-12-03 02:39:22,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:39:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 951 transitions. [2018-12-03 02:39:22,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 02:39:22,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:22,497 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] [2018-12-03 02:39:22,497 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:22,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:22,498 INFO L82 PathProgramCache]: Analyzing trace with hash 667070224, now seen corresponding path program 1 times [2018-12-03 02:39:22,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:22,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:22,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 02:39:22,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:22,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 02:39:22,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:22,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:39:22,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:39:22,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:39:22,540 INFO L87 Difference]: Start difference. First operand 789 states and 951 transitions. Second operand 8 states. [2018-12-03 02:39:22,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:22,577 INFO L93 Difference]: Finished difference Result 1582 states and 1966 transitions. [2018-12-03 02:39:22,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:39:22,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-03 02:39:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:22,580 INFO L225 Difference]: With dead ends: 1582 [2018-12-03 02:39:22,580 INFO L226 Difference]: Without dead ends: 817 [2018-12-03 02:39:22,581 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 [2018-12-03 02:39:22,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2018-12-03 02:39:22,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 805. [2018-12-03 02:39:22,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-03 02:39:22,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-12-03 02:39:22,605 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 98 [2018-12-03 02:39:22,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:22,605 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-12-03 02:39:22,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:39:22,605 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-12-03 02:39:22,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 02:39:22,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:22,606 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] [2018-12-03 02:39:22,607 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:22,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:22,607 INFO L82 PathProgramCache]: Analyzing trace with hash 659310865, now seen corresponding path program 1 times [2018-12-03 02:39:22,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:22,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:22,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 02:39:22,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:22,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 02:39:22,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:22,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 02:39:22,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 02:39:22,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 02:39:22,648 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 4 states. [2018-12-03 02:39:22,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:22,802 INFO L93 Difference]: Finished difference Result 2547 states and 3210 transitions. [2018-12-03 02:39:22,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 02:39:22,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-03 02:39:22,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:22,806 INFO L225 Difference]: With dead ends: 2547 [2018-12-03 02:39:22,806 INFO L226 Difference]: Without dead ends: 1766 [2018-12-03 02:39:22,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 02:39:22,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1766 states. [2018-12-03 02:39:22,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1766 to 1735. [2018-12-03 02:39:22,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1735 states. [2018-12-03 02:39:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2139 transitions. [2018-12-03 02:39:22,859 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2139 transitions. Word has length 98 [2018-12-03 02:39:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:22,859 INFO L480 AbstractCegarLoop]: Abstraction has 1735 states and 2139 transitions. [2018-12-03 02:39:22,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 02:39:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2139 transitions. [2018-12-03 02:39:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-03 02:39:22,861 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:22,861 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, 1] [2018-12-03 02:39:22,861 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:22,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:22,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1469595243, now seen corresponding path program 1 times [2018-12-03 02:39:22,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:22,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:22,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:22,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:22,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 02:39:22,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:22,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:39:22,956 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-12-03 02:39:22,957 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [84], [88], [92], [95], [100], [103], [108], [111], [127], [128], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [193], [197], [204], [205], [213], [217], [220], [222], [225], [235], [238], [242], [243], [246], [248], [251], [253], [256], [265], [266], [267], [268], [269], [270], [271], [272], [273], [279], [281], [282], [289], [290], [291], [292], [293], [294], [297], [301], [302], [303], [304], [305], [306], [313], [314], [315], [317], [318], [319], [321], [322], [323], [324], [329], [330], [331], [332], [333] [2018-12-03 02:39:22,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:39:22,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:39:23,244 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:39:23,245 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-03 02:39:23,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:23,249 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:39:23,455 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.18% of their original sizes. [2018-12-03 02:39:23,455 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:39:23,629 INFO L418 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-12-03 02:39:23,629 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:39:23,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:39:23,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-03 02:39:23,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:23,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-03 02:39:23,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-03 02:39:23,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-12-03 02:39:23,631 INFO L87 Difference]: Start difference. First operand 1735 states and 2139 transitions. Second operand 24 states. [2018-12-03 02:39:28,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:28,171 INFO L93 Difference]: Finished difference Result 3753 states and 4688 transitions. [2018-12-03 02:39:28,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-03 02:39:28,171 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 102 [2018-12-03 02:39:28,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:28,178 INFO L225 Difference]: With dead ends: 3753 [2018-12-03 02:39:28,178 INFO L226 Difference]: Without dead ends: 2042 [2018-12-03 02:39:28,182 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 127 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=2182, Unknown=0, NotChecked=0, Total=2450 [2018-12-03 02:39:28,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2042 states. [2018-12-03 02:39:28,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2042 to 2025. [2018-12-03 02:39:28,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2025 states. [2018-12-03 02:39:28,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 2025 states and 2411 transitions. [2018-12-03 02:39:28,252 INFO L78 Accepts]: Start accepts. Automaton has 2025 states and 2411 transitions. Word has length 102 [2018-12-03 02:39:28,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:28,252 INFO L480 AbstractCegarLoop]: Abstraction has 2025 states and 2411 transitions. [2018-12-03 02:39:28,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-03 02:39:28,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2411 transitions. [2018-12-03 02:39:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 02:39:28,255 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:28,256 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:28,256 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:28,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:28,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1792268874, now seen corresponding path program 1 times [2018-12-03 02:39:28,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:28,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:28,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:28,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:28,257 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 02:39:28,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:28,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:39:28,350 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-03 02:39:28,351 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [84], [88], [92], [95], [98], [100], [103], [106], [108], [111], [127], [128], [129], [130], [131], [132], [133], [135], [140], [143], [144], [146], [151], [153], [154], [159], [161], [190], [193], [197], [203], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [248], [251], [253], [256], [262], [264], [265], [266], [267], [268], [269], [270], [271], [272], [273], [277], [278], [279], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [303], [304], [305], [306], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322], [323], [324], [327], [328], [329], [330], [331], [332], [333] [2018-12-03 02:39:28,353 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:39:28,353 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:39:29,353 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:39:29,353 INFO L272 AbstractInterpreter]: Visited 132 different actions 926 times. Merged at 17 different actions 63 times. Never widened. Performed 30920 root evaluator evaluations with a maximum evaluation depth of 5. Performed 30920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-03 02:39:29,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:29,356 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:39:29,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:39:29,356 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/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 [2018-12-03 02:39:29,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:29,362 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:39:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:29,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:39:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 02:39:29,551 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:39:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 02:39:29,813 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 02:39:29,813 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-03 02:39:29,813 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:29,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:39:29,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:39:29,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-03 02:39:29,814 INFO L87 Difference]: Start difference. First operand 2025 states and 2411 transitions. Second operand 9 states. [2018-12-03 02:39:30,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:30,592 INFO L93 Difference]: Finished difference Result 5151 states and 6999 transitions. [2018-12-03 02:39:30,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 02:39:30,592 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-03 02:39:30,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:30,605 INFO L225 Difference]: With dead ends: 5151 [2018-12-03 02:39:30,605 INFO L226 Difference]: Without dead ends: 3778 [2018-12-03 02:39:30,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-03 02:39:30,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3778 states. [2018-12-03 02:39:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3778 to 3065. [2018-12-03 02:39:30,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3065 states. [2018-12-03 02:39:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 3763 transitions. [2018-12-03 02:39:30,723 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 3763 transitions. Word has length 155 [2018-12-03 02:39:30,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:30,723 INFO L480 AbstractCegarLoop]: Abstraction has 3065 states and 3763 transitions. [2018-12-03 02:39:30,723 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:39:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3763 transitions. [2018-12-03 02:39:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 02:39:30,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:39:30,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:39:30,727 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:39:30,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:39:30,727 INFO L82 PathProgramCache]: Analyzing trace with hash 2067028488, now seen corresponding path program 1 times [2018-12-03 02:39:30,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:39:30,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:30,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:39:30,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:39:30,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:39:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:39:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 02:39:30,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:39:30,805 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 02:39:30,805 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:39:30,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:39:30,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:39:30,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:39:30,805 INFO L87 Difference]: Start difference. First operand 3065 states and 3763 transitions. Second operand 9 states. [2018-12-03 02:39:30,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:39:30,872 INFO L93 Difference]: Finished difference Result 4021 states and 4921 transitions. [2018-12-03 02:39:30,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 02:39:30,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-03 02:39:30,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:39:30,873 INFO L225 Difference]: With dead ends: 4021 [2018-12-03 02:39:30,873 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:39:30,878 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:39:30,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:39:30,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:39:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:39:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:39:30,879 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-03 02:39:30,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:39:30,879 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:39:30,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:39:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:39:30,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:39:30,882 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:39:31,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:31,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:39:32,122 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 44 [2018-12-03 02:39:32,625 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-12-03 02:39:32,814 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 39 [2018-12-03 02:39:33,655 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 49 [2018-12-03 02:39:33,993 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-12-03 02:39:33,993 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-12-03 02:39:33,993 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-12-03 02:39:33,993 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-12-03 02:39:33,993 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-12-03 02:39:33,993 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,993 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-12-03 02:39:33,993 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,994 INFO L444 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-12-03 02:39:33,994 INFO L444 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,994 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-12-03 02:39:33,994 INFO L444 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,994 INFO L444 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (< ~waterLevel~0 2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse2) (or (or .cse3 .cse4 .cse5) .cse6) (or .cse6 (or .cse4 .cse5 .cse1)))) [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-12-03 02:39:33,994 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse7 (or .cse6 .cse4))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse6 (< ~waterLevel~0 1)) (or (or .cse7 .cse2) .cse5) (or .cse5 (or .cse7 (not (= ~waterLevel~0 1))))))) [2018-12-03 02:39:33,994 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-12-03 02:39:33,995 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-12-03 02:39:33,995 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-12-03 02:39:33,995 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-03 02:39:33,996 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:33,996 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (not (= ~waterLevel~0 1)) .cse3) (or .cse0 .cse5 .cse1 .cse2) (or .cse4 .cse1 (< ~waterLevel~0 2) .cse3) (or .cse5 .cse4 .cse1 .cse2))) [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 .cse1 .cse4 .cse5) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse1 .cse4 .cse2 .cse5))) [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-12-03 02:39:33,996 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-12-03 02:39:33,996 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse0 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse2 .cse6 .cse3))) [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-12-03 02:39:33,997 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 02:39:33,997 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:33,998 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L451 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-12-03 02:39:33,998 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1)) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-12-03 02:39:33,999 INFO L451 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L451 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L451 ceAbstractionStarter]: At program point L906-2(lines 906 920) the Hoare annotation is: true [2018-12-03 02:39:33,999 INFO L451 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-12-03 02:39:33,999 INFO L448 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-12-03 02:39:33,999 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 1 ~waterLevel~0)) (.cse4 (not .cse2)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (= ~waterLevel~0 2)) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (and .cse4 .cse5) (or .cse6 .cse3 .cse7)) (or (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse6 .cse8 .cse9) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) (and .cse4 .cse5 .cse10)) (or .cse6 .cse11 (not (= ~systemActive~0 1)) .cse7 .cse12) (or (and .cse9 .cse4 .cse10) .cse6 .cse8 .cse7) (or .cse1 .cse6 .cse11 .cse12)))) [2018-12-03 02:39:33,999 INFO L444 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and (= 0 ~pumpRunning~0) .cse10)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or (and (not .cse0) .cse1) (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or (= ~waterLevel~0 2) .cse6 .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse7 (or .cse6 .cse0 .cse4)) (or (or .cse6 .cse3 .cse4) .cse1) (or .cse6 .cse3 .cse2 (< |old(~waterLevel~0)| 1)) (or .cse3 .cse8 .cse5 (and .cse9 .cse2)) (or (or .cse0 .cse4 .cse5) (and (not (= ~waterLevel~0 1)) .cse10) .cse7) (or .cse6 .cse3 .cse9 .cse8)))) [2018-12-03 02:39:33,999 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (and .cse0 .cse11)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5) (or .cse6 .cse7 .cse1 .cse8) (or .cse1 .cse9 .cse3 .cse10) (or (or .cse7 .cse4 .cse2) .cse5) (or .cse1 .cse11 .cse12 .cse3) (or .cse7 .cse1 .cse5 .cse12) (or .cse7 .cse1 .cse10 .cse9) (or .cse1 .cse6 (not (= ~systemActive~0 1)) .cse3 .cse8)))) [2018-12-03 02:39:34,000 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse3 (= ~systemActive~0 0)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse0 .cse3 .cse4) (and .cse5 .cse6)) (or .cse1 .cse2 .cse7) (or (or .cse3 .cse4 .cse7) (and .cse6 .cse5)))) [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse0))) [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 02:39:34,000 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-12-03 02:39:34,000 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1)))) [2018-12-03 02:39:34,000 INFO L448 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L444 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse3 (< ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-12-03 02:39:34,001 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1) .cse3)))) [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)) .cse3) (or .cse1 .cse2 (< ~waterLevel~0 1) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse1) (or (< |old(~waterLevel~0)| 1) .cse4 (or .cse1 .cse6)) (or .cse4 .cse5 (or (= ~systemActive~0 0) .cse6)) (or .cse1 .cse3 .cse6 .cse2) (or .cse0 .cse7 .cse1 .cse8) (or .cse7 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse8))) [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-03 02:39:34,001 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-03 02:39:34,001 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-12-03 02:39:34,002 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-12-03 02:39:34,002 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0))) [2018-12-03 02:39:34,002 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-12-03 02:39:34,002 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0))) [2018-12-03 02:39:34,002 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-12-03 02:39:34,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:39:34 BoogieIcfgContainer [2018-12-03 02:39:34,009 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:39:34,009 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:39:34,009 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:39:34,009 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:39:34,010 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:20" (3/4) ... [2018-12-03 02:39:34,012 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:39:34,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 02:39:34,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 02:39:34,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 02:39:34,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 02:39:34,019 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 02:39:34,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 02:39:34,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 02:39:34,020 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-03 02:39:34,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-03 02:39:34,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 02:39:34,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 02:39:34,026 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 02:39:34,027 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 02:39:34,027 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 02:39:34,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 02:39:34,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 02:39:34,069 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_079a41fe-d61a-481b-a829-7b4066cf020f/bin-2019/utaipan/witness.graphml [2018-12-03 02:39:34,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:39:34,069 INFO L168 Benchmark]: Toolchain (without parser) took 13824.55 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 696.8 MB). Free memory was 953.5 MB in the beginning and 1.3 GB in the end (delta: -302.5 MB). Peak memory consumption was 394.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:34,070 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:39:34,070 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:34,070 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:39:34,070 INFO L168 Benchmark]: Boogie Preprocessor took 22.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:39:34,070 INFO L168 Benchmark]: RCFGBuilder took 334.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:34,070 INFO L168 Benchmark]: TraceAbstraction took 13088.51 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 555.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.1 MB). Peak memory consumption was 861.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:34,071 INFO L168 Benchmark]: Witness Printer took 59.72 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:39:34,071 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -171.6 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13088.51 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 555.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -206.1 MB). Peak memory consumption was 861.1 MB. Max. memory is 11.5 GB. * Witness Printer took 59.72 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 6.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2222 SDtfs, 1603 SDslu, 8012 SDs, 0 SdLazy, 3280 SolverSat, 474 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 544 GetRequests, 419 SyntacticMatches, 3 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 727 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3065occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968318068326145 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 891 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4359 PreInvPairs, 4587 NumberOfFragments, 2351 HoareAnnotationTreeSize, 4359 FomulaSimplifications, 12656 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 66 FomulaSimplificationsInter, 24969 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1123 NumberOfCodeBlocks, 1123 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1265 ConstructedInterpolants, 0 QuantifiedInterpolants, 241305 SizeOfPredicates, 7 NumberOfNonLiveVariables, 871 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 138/148 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...