./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:25:15,629 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:25:15,630 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:25:15,647 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:25:15,654 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:25:15,655 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:25:15,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:25:15,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:25:15,659 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:25:15,659 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:25:15,660 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:25:15,660 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:25:15,661 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:25:15,662 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:25:15,671 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:25:15,671 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:25:15,672 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:25:15,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:25:15,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:25:15,682 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:25:15,683 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:25:15,684 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:25:15,686 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:25:15,686 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:25:15,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:25:15,688 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:25:15,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:25:15,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:25:15,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:25:15,690 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:25:15,699 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:25:15,699 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:25:15,699 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:25:15,700 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:25:15,700 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:25:15,701 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:25:15,701 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:25:15,718 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:25:15,726 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:25:15,727 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:25:15,727 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:25:15,727 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:25:15,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:25:15,728 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:25:15,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:25:15,729 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:25:15,729 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:25:15,729 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:25:15,729 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:25:15,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:25:15,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:25:15,730 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:25:15,730 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:25:15,730 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:25:15,732 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:25:15,732 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:25:15,732 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:25:15,733 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:25:15,733 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:25:15,733 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:25:15,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:25:15,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:25:15,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:25:15,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:25:15,734 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:25:15,734 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:25:15,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:25:15,734 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:25:15,734 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_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-11-18 14:25:15,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:25:15,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:25:15,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:25:15,820 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:25:15,821 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:25:15,821 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-18 14:25:15,923 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/data/4ce23dffc/7f8421ccea1a47568a814cdff7262a8d/FLAGd979d6a6c [2018-11-18 14:25:16,362 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:25:16,362 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-18 14:25:16,373 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/data/4ce23dffc/7f8421ccea1a47568a814cdff7262a8d/FLAGd979d6a6c [2018-11-18 14:25:16,857 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/data/4ce23dffc/7f8421ccea1a47568a814cdff7262a8d [2018-11-18 14:25:16,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:25:16,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:25:16,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:25:16,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:25:16,869 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:25:16,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:25:16" (1/1) ... [2018-11-18 14:25:16,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c938308 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:16, skipping insertion in model container [2018-11-18 14:25:16,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:25:16" (1/1) ... [2018-11-18 14:25:16,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:25:16,931 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:25:17,286 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:25:17,304 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:25:17,424 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:25:17,566 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:25:17,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17 WrapperNode [2018-11-18 14:25:17,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:25:17,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:25:17,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:25:17,567 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:25:17,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:25:17,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:25:17,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:25:17,597 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:25:17,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... [2018-11-18 14:25:17,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:25:17,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:25:17,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:25:17,653 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:25:17,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/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 [2018-11-18 14:25:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:25:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:25:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:25:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:25:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 14:25:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 14:25:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:25:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:25:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:25:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:25:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:25:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 14:25:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 14:25:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:25:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:25:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:25:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:25:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:25:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:25:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 14:25:17,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 14:25:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 14:25:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 14:25:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 14:25:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 14:25:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:25:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:25:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:25:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:25:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:25:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:25:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:25:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:25:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:25:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:25:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:25:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:25:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:25:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:25:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:25:17,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:25:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:25:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:25:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:25:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:25:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:25:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:25:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:25:17,734 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:25:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:25:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:25:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:25:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:25:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:25:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:25:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:25:17,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:25:17,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:25:17,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:25:17,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:25:17,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:25:19,004 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:25:19,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:25:19 BoogieIcfgContainer [2018-11-18 14:25:19,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:25:19,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:25:19,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:25:19,009 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:25:19,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:25:16" (1/3) ... [2018-11-18 14:25:19,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105d7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:25:19, skipping insertion in model container [2018-11-18 14:25:19,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:25:17" (2/3) ... [2018-11-18 14:25:19,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@105d7393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:25:19, skipping insertion in model container [2018-11-18 14:25:19,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:25:19" (3/3) ... [2018-11-18 14:25:19,017 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-18 14:25:19,029 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:25:19,037 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:25:19,050 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:25:19,076 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:25:19,076 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:25:19,076 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:25:19,077 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:25:19,077 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:25:19,077 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:25:19,077 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:25:19,077 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:25:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-18 14:25:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 14:25:19,102 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:19,103 INFO L375 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] [2018-11-18 14:25:19,106 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:19,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:19,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1689267930, now seen corresponding path program 1 times [2018-11-18 14:25:19,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:19,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:19,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:19,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:19,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:19,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:19,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:25:19,422 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:19,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:25:19,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:25:19,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:25:19,439 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-18 14:25:19,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:19,473 INFO L93 Difference]: Finished difference Result 292 states and 357 transitions. [2018-11-18 14:25:19,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:25:19,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 14:25:19,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:19,490 INFO L225 Difference]: With dead ends: 292 [2018-11-18 14:25:19,490 INFO L226 Difference]: Without dead ends: 146 [2018-11-18 14:25:19,494 INFO L604 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 [2018-11-18 14:25:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-18 14:25:19,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-18 14:25:19,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-18 14:25:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 170 transitions. [2018-11-18 14:25:19,550 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 170 transitions. Word has length 46 [2018-11-18 14:25:19,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:19,554 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 170 transitions. [2018-11-18 14:25:19,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:25:19,555 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 170 transitions. [2018-11-18 14:25:19,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 14:25:19,557 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:19,557 INFO L375 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] [2018-11-18 14:25:19,558 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:19,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:19,558 INFO L82 PathProgramCache]: Analyzing trace with hash 849977825, now seen corresponding path program 1 times [2018-11-18 14:25:19,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:19,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:19,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:19,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:19,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:19,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:19,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:25:19,766 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:19,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:25:19,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:25:19,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:25:19,768 INFO L87 Difference]: Start difference. First operand 146 states and 170 transitions. Second operand 3 states. [2018-11-18 14:25:19,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:19,812 INFO L93 Difference]: Finished difference Result 235 states and 273 transitions. [2018-11-18 14:25:19,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:25:19,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 14:25:19,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:19,815 INFO L225 Difference]: With dead ends: 235 [2018-11-18 14:25:19,815 INFO L226 Difference]: Without dead ends: 136 [2018-11-18 14:25:19,817 INFO L604 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 [2018-11-18 14:25:19,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-18 14:25:19,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-18 14:25:19,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 14:25:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-11-18 14:25:19,831 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 48 [2018-11-18 14:25:19,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:19,831 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-11-18 14:25:19,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:25:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-11-18 14:25:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:25:19,833 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:19,833 INFO L375 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] [2018-11-18 14:25:19,833 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:19,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:19,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1914501572, now seen corresponding path program 1 times [2018-11-18 14:25:19,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:19,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:19,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:19,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:19,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:20,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:20,165 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:20,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:25:20,165 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:20,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:25:20,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:25:20,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:25:20,166 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 7 states. [2018-11-18 14:25:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:21,511 INFO L93 Difference]: Finished difference Result 248 states and 291 transitions. [2018-11-18 14:25:21,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:25:21,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 14:25:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:21,513 INFO L225 Difference]: With dead ends: 248 [2018-11-18 14:25:21,513 INFO L226 Difference]: Without dead ends: 136 [2018-11-18 14:25:21,514 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:25:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-18 14:25:21,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-18 14:25:21,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 14:25:21,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 156 transitions. [2018-11-18 14:25:21,543 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 156 transitions. Word has length 53 [2018-11-18 14:25:21,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:21,544 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 156 transitions. [2018-11-18 14:25:21,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:25:21,544 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 156 transitions. [2018-11-18 14:25:21,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 14:25:21,546 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:21,546 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:21,546 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:21,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:21,547 INFO L82 PathProgramCache]: Analyzing trace with hash 26107619, now seen corresponding path program 1 times [2018-11-18 14:25:21,547 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:21,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:21,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:21,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:21,548 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:22,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:22,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:22,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:25:22,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:22,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 14:25:22,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 14:25:22,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 14:25:22,069 INFO L87 Difference]: Start difference. First operand 136 states and 156 transitions. Second operand 5 states. [2018-11-18 14:25:23,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:23,236 INFO L93 Difference]: Finished difference Result 351 states and 419 transitions. [2018-11-18 14:25:23,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:25:23,236 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-18 14:25:23,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:23,238 INFO L225 Difference]: With dead ends: 351 [2018-11-18 14:25:23,238 INFO L226 Difference]: Without dead ends: 239 [2018-11-18 14:25:23,240 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:25:23,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-18 14:25:23,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 219. [2018-11-18 14:25:23,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-18 14:25:23,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 248 transitions. [2018-11-18 14:25:23,269 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 248 transitions. Word has length 66 [2018-11-18 14:25:23,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:23,270 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 248 transitions. [2018-11-18 14:25:23,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 14:25:23,270 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 248 transitions. [2018-11-18 14:25:23,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 14:25:23,272 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:23,272 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:23,272 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:23,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:23,272 INFO L82 PathProgramCache]: Analyzing trace with hash -626798664, now seen corresponding path program 1 times [2018-11-18 14:25:23,273 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:23,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:23,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:23,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:23,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:23,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:23,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:25:23,862 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:23,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:25:23,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:25:23,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:25:23,863 INFO L87 Difference]: Start difference. First operand 219 states and 248 transitions. Second operand 6 states. [2018-11-18 14:25:24,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:24,401 INFO L93 Difference]: Finished difference Result 594 states and 694 transitions. [2018-11-18 14:25:24,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:25:24,403 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-18 14:25:24,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:24,405 INFO L225 Difference]: With dead ends: 594 [2018-11-18 14:25:24,405 INFO L226 Difference]: Without dead ends: 399 [2018-11-18 14:25:24,407 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:25:24,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-11-18 14:25:24,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 393. [2018-11-18 14:25:24,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-18 14:25:24,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 446 transitions. [2018-11-18 14:25:24,466 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 446 transitions. Word has length 80 [2018-11-18 14:25:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:24,466 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 446 transitions. [2018-11-18 14:25:24,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:25:24,467 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 446 transitions. [2018-11-18 14:25:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 14:25:24,468 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:24,469 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:24,469 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:24,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:24,469 INFO L82 PathProgramCache]: Analyzing trace with hash 543629980, now seen corresponding path program 1 times [2018-11-18 14:25:24,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:24,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:24,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:24,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:24,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:25:24,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:24,701 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:25:24,701 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:24,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:25:24,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:25:24,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:25:24,702 INFO L87 Difference]: Start difference. First operand 393 states and 446 transitions. Second operand 7 states. [2018-11-18 14:25:25,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:25,342 INFO L93 Difference]: Finished difference Result 430 states and 502 transitions. [2018-11-18 14:25:25,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:25:25,343 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 84 [2018-11-18 14:25:25,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:25,346 INFO L225 Difference]: With dead ends: 430 [2018-11-18 14:25:25,346 INFO L226 Difference]: Without dead ends: 427 [2018-11-18 14:25:25,347 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:25:25,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-18 14:25:25,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 393. [2018-11-18 14:25:25,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-18 14:25:25,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 445 transitions. [2018-11-18 14:25:25,388 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 445 transitions. Word has length 84 [2018-11-18 14:25:25,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:25,388 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 445 transitions. [2018-11-18 14:25:25,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:25:25,389 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 445 transitions. [2018-11-18 14:25:25,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:25:25,392 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:25,392 INFO L375 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] [2018-11-18 14:25:25,393 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:25,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash -256614969, now seen corresponding path program 1 times [2018-11-18 14:25:25,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:25,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:25,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:25,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:25,394 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:25,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:25:25,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:25,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:25:25,525 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:25,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:25:25,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:25:25,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:25:25,526 INFO L87 Difference]: Start difference. First operand 393 states and 445 transitions. Second operand 6 states. [2018-11-18 14:25:25,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:25,582 INFO L93 Difference]: Finished difference Result 776 states and 898 transitions. [2018-11-18 14:25:25,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:25:25,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-11-18 14:25:25,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:25,585 INFO L225 Difference]: With dead ends: 776 [2018-11-18 14:25:25,585 INFO L226 Difference]: Without dead ends: 407 [2018-11-18 14:25:25,586 INFO L604 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 [2018-11-18 14:25:25,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-18 14:25:25,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 403. [2018-11-18 14:25:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-11-18 14:25:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 455 transitions. [2018-11-18 14:25:25,607 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 455 transitions. Word has length 100 [2018-11-18 14:25:25,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:25,607 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 455 transitions. [2018-11-18 14:25:25,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:25:25,608 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 455 transitions. [2018-11-18 14:25:25,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:25:25,609 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:25,609 INFO L375 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] [2018-11-18 14:25:25,609 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:25,609 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:25,609 INFO L82 PathProgramCache]: Analyzing trace with hash 636871369, now seen corresponding path program 1 times [2018-11-18 14:25:25,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:25,610 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:25,610 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:25,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:25,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:25:25,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:25,904 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 14:25:25,904 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:25,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:25:25,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:25:25,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:25:25,905 INFO L87 Difference]: Start difference. First operand 403 states and 455 transitions. Second operand 8 states. [2018-11-18 14:25:26,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:26,175 INFO L93 Difference]: Finished difference Result 796 states and 920 transitions. [2018-11-18 14:25:26,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:25:26,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-11-18 14:25:26,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:26,177 INFO L225 Difference]: With dead ends: 796 [2018-11-18 14:25:26,177 INFO L226 Difference]: Without dead ends: 417 [2018-11-18 14:25:26,178 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:25:26,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-11-18 14:25:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2018-11-18 14:25:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-11-18 14:25:26,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 463 transitions. [2018-11-18 14:25:26,216 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 463 transitions. Word has length 100 [2018-11-18 14:25:26,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:26,216 INFO L480 AbstractCegarLoop]: Abstraction has 411 states and 463 transitions. [2018-11-18 14:25:26,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:25:26,217 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 463 transitions. [2018-11-18 14:25:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 14:25:26,218 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:26,218 INFO L375 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] [2018-11-18 14:25:26,222 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:26,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:26,222 INFO L82 PathProgramCache]: Analyzing trace with hash 629112010, now seen corresponding path program 1 times [2018-11-18 14:25:26,222 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:26,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:26,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:26,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:26,224 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:25:26,520 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:26,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:25:26,520 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:26,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:25:26,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:25:26,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:25:26,521 INFO L87 Difference]: Start difference. First operand 411 states and 463 transitions. Second operand 4 states. [2018-11-18 14:25:27,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:27,582 INFO L93 Difference]: Finished difference Result 1223 states and 1446 transitions. [2018-11-18 14:25:27,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:25:27,583 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-18 14:25:27,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:27,586 INFO L225 Difference]: With dead ends: 1223 [2018-11-18 14:25:27,588 INFO L226 Difference]: Without dead ends: 836 [2018-11-18 14:25:27,589 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:25:27,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2018-11-18 14:25:27,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 821. [2018-11-18 14:25:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-18 14:25:27,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 951 transitions. [2018-11-18 14:25:27,641 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 951 transitions. Word has length 100 [2018-11-18 14:25:27,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:27,644 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 951 transitions. [2018-11-18 14:25:27,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:25:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 951 transitions. [2018-11-18 14:25:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:25:27,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:27,646 INFO L375 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, 1, 1] [2018-11-18 14:25:27,646 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:27,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:27,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1520677552, now seen corresponding path program 1 times [2018-11-18 14:25:27,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:27,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:27,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:27,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:27,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:25:28,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:25:28,760 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:25:28,760 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-11-18 14:25:28,761 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [92], [95], [100], [106], [109], [119], [120], [123], [124], [125], [127], [132], [135], [136], [138], [143], [145], [146], [151], [153], [159], [163], [197], [198], [206], [212], [215], [217], [220], [230], [233], [237], [238], [241], [243], [246], [248], [251], [260], [261], [262], [263], [264], [265], [266], [267], [268], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [294], [295], [296], [297], [298], [299], [302], [303], [304], [310], [311], [312], [314], [315], [316], [317], [322], [323], [324], [325], [326] [2018-11-18 14:25:28,803 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:25:28,805 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:25:29,395 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 14:25:29,396 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Performed 2517 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2517 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 14:25:29,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:29,438 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 14:25:29,917 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 97.15% of their original sizes. [2018-11-18 14:25:29,919 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 14:25:31,223 INFO L415 sIntCurrentIteration]: We unified 103 AI predicates to 103 [2018-11-18 14:25:31,223 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 14:25:31,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:25:31,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-11-18 14:25:31,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:31,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 14:25:31,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 14:25:31,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-11-18 14:25:31,225 INFO L87 Difference]: Start difference. First operand 821 states and 951 transitions. Second operand 24 states. [2018-11-18 14:25:43,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:43,955 INFO L93 Difference]: Finished difference Result 1814 states and 2135 transitions. [2018-11-18 14:25:43,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-18 14:25:43,956 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 104 [2018-11-18 14:25:43,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:43,960 INFO L225 Difference]: With dead ends: 1814 [2018-11-18 14:25:43,960 INFO L226 Difference]: Without dead ends: 1017 [2018-11-18 14:25:43,962 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 117 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=172, Invalid=1234, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 14:25:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2018-11-18 14:25:44,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1013. [2018-11-18 14:25:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1013 states. [2018-11-18 14:25:44,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1145 transitions. [2018-11-18 14:25:44,005 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1145 transitions. Word has length 104 [2018-11-18 14:25:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:44,006 INFO L480 AbstractCegarLoop]: Abstraction has 1013 states and 1145 transitions. [2018-11-18 14:25:44,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 14:25:44,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1145 transitions. [2018-11-18 14:25:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 14:25:44,012 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:44,013 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:44,013 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:44,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:44,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1056283417, now seen corresponding path program 1 times [2018-11-18 14:25:44,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:44,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:44,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:44,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:44,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:25:44,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:25:44,715 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:25:44,715 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-11-18 14:25:44,716 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [119], [120], [121], [122], [123], [124], [125], [127], [132], [135], [136], [138], [143], [145], [146], [151], [153], [156], [159], [163], [169], [197], [198], [201], [205], [206], [212], [215], [217], [220], [227], [230], [233], [237], [238], [241], [243], [246], [248], [251], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [268], [270], [271], [272], [274], [275], [276], [277], [280], [281], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [310], [311], [312], [314], [315], [316], [317], [320], [321], [322], [323], [324], [325], [326] [2018-11-18 14:25:44,720 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:25:44,720 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:25:46,944 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:25:46,944 INFO L272 AbstractInterpreter]: Visited 134 different actions 937 times. Merged at 19 different actions 89 times. Never widened. Performed 31769 root evaluator evaluations with a maximum evaluation depth of 5. Performed 31769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 6 different actions. Largest state had 133 variables. [2018-11-18 14:25:46,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:46,960 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:25:46,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:25:46,960 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/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 [2018-11-18 14:25:46,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:46,970 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:25:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:47,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:25:47,856 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 7 [2018-11-18 14:25:48,288 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:25:48,288 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:25:50,005 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 14:25:50,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 14:25:50,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 14:25:50,031 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:50,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:25:50,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:25:50,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 14:25:50,032 INFO L87 Difference]: Start difference. First operand 1013 states and 1145 transitions. Second operand 9 states. [2018-11-18 14:25:54,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:54,087 INFO L93 Difference]: Finished difference Result 2371 states and 2997 transitions. [2018-11-18 14:25:54,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 14:25:54,088 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-11-18 14:25:54,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:54,094 INFO L225 Difference]: With dead ends: 2371 [2018-11-18 14:25:54,094 INFO L226 Difference]: Without dead ends: 1730 [2018-11-18 14:25:54,097 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 311 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 14:25:54,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2018-11-18 14:25:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 1458. [2018-11-18 14:25:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2018-11-18 14:25:54,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1690 transitions. [2018-11-18 14:25:54,169 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 1690 transitions. Word has length 159 [2018-11-18 14:25:54,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:54,170 INFO L480 AbstractCegarLoop]: Abstraction has 1458 states and 1690 transitions. [2018-11-18 14:25:54,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:25:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 1690 transitions. [2018-11-18 14:25:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 14:25:54,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:25:54,175 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:25:54,175 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:25:54,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:25:54,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1331043031, now seen corresponding path program 1 times [2018-11-18 14:25:54,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:25:54,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:54,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:25:54,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:25:54,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:25:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:25:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 14:25:54,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:25:54,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 14:25:54,648 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:25:54,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:25:54,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:25:54,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:25:54,649 INFO L87 Difference]: Start difference. First operand 1458 states and 1690 transitions. Second operand 9 states. [2018-11-18 14:25:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:25:54,852 INFO L93 Difference]: Finished difference Result 1867 states and 2161 transitions. [2018-11-18 14:25:54,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:25:54,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-11-18 14:25:54,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:25:54,854 INFO L225 Difference]: With dead ends: 1867 [2018-11-18 14:25:54,854 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:25:54,857 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:25:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:25:54,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:25:54,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:25:54,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:25:54,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2018-11-18 14:25:54,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:25:54,860 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:25:54,860 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:25:54,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:25:54,861 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:25:54,864 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:25:55,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:55,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:25:56,314 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2018-11-18 14:25:56,426 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 1 [2018-11-18 14:25:57,060 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2018-11-18 14:25:57,490 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 49 [2018-11-18 14:25:57,831 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-11-18 14:25:58,083 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2018-11-18 14:25:58,295 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 21 [2018-11-18 14:25:59,179 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 45 [2018-11-18 14:25:59,314 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-11-18 14:25:59,315 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-11-18 14:25:59,315 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) 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))) [2018-11-18 14:25:59,315 INFO L421 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:25:59,315 INFO L421 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-11-18 14:25:59,315 INFO L425 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L421 ceAbstractionStarter]: At program point L245(line 245) 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))) [2018-11-18 14:25:59,316 INFO L421 ceAbstractionStarter]: At program point L244(line 244) 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))) [2018-11-18 14:25:59,316 INFO L421 ceAbstractionStarter]: At program point L244-1(line 244) 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))) [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L428 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-11-18 14:25:59,316 INFO L425 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-11-18 14:25:59,317 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) 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))) [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L428 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-11-18 14:25:59,317 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 14:25:59,317 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-11-18 14:25:59,318 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-11-18 14:25:59,318 INFO L421 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-18 14:25:59,318 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-11-18 14:25:59,318 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-11-18 14:25:59,318 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 14:25:59,318 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 14:25:59,318 INFO L421 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse0) (or .cse5 .cse4 .cse1 .cse2))) [2018-11-18 14:25:59,318 INFO L425 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-11-18 14:25:59,318 INFO L421 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-11-18 14:25:59,319 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 516 581) 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))) [2018-11-18 14:25:59,319 INFO L421 ceAbstractionStarter]: At program point L574(lines 525 575) 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))) [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-11-18 14:25:59,319 INFO L425 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-11-18 14:25:59,320 INFO L421 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:25:59,320 INFO L425 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-11-18 14:25:59,320 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:25:59,320 INFO L425 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-18 14:25:59,320 INFO L421 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:25:59,320 INFO L425 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-11-18 14:25:59,320 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-11-18 14:25:59,320 INFO L421 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:25:59,321 INFO L421 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 526 573) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-11-18 14:25:59,321 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-11-18 14:25:59,321 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-11-18 14:25:59,322 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:25:59,322 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:25:59,322 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:25:59,322 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-11-18 14:25:59,322 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 14:25:59,322 INFO L425 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-18 14:25:59,322 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-11-18 14:25:59,322 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 14:25:59,322 INFO L421 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 14:25:59,322 INFO L425 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L428 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-11-18 14:25:59,323 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse9 (= 1 ~waterLevel~0)) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse3 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse2 .cse6) (and .cse7 .cse8)) (or .cse0 .cse1 (and .cse9 .cse8) .cse2 .cse10) (or .cse1 .cse2 .cse9 .cse10 .cse6) (or (or .cse0 .cse5 .cse2) (and .cse11 .cse8) (and (not (= |old(~pumpRunning~0)| 0)) .cse7 .cse8)) (or .cse1 .cse3 .cse2 .cse6 .cse4) (or .cse1 .cse8 (< |old(~waterLevel~0)| 1) .cse2 .cse6) (or (or .cse1 .cse5 .cse2 .cse6) .cse11))) [2018-11-18 14:25:59,324 INFO L421 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse1 .cse3 .cse4 .cse2 .cse5) (or .cse0 .cse1 .cse6 .cse2 .cse7) (or (or .cse0 .cse8 .cse2) .cse9) (or .cse1 .cse2 (and .cse6 .cse10) .cse7 .cse5) (or .cse0 .cse1 (and .cse3 .cse10) .cse4 .cse2) (or .cse3 .cse9 (or .cse8 .cse2 .cse5)))) [2018-11-18 14:25:59,324 INFO L421 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-11-18 14:25:59,324 INFO L425 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-11-18 14:25:59,324 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse3 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 (and .cse5 .cse6) .cse2 .cse7) (or .cse1 .cse2 .cse5 .cse7 .cse8) (or .cse9 (or .cse10 .cse2 .cse8)) (or (or .cse0 .cse10 .cse2) .cse9) (or .cse1 .cse3 .cse2 .cse8 .cse4) (or .cse1 .cse6 (< |old(~waterLevel~0)| 1) .cse2 .cse8)))) [2018-11-18 14:25:59,324 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-11-18 14:25:59,324 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-11-18 14:25:59,324 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-18 14:25:59,324 INFO L425 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-18 14:25:59,325 INFO L428 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-18 14:25:59,325 INFO L425 ceAbstractionStarter]: For program point L172-1(lines 172 186) no Hoare annotation was computed. [2018-11-18 14:25:59,325 INFO L428 ceAbstractionStarter]: At program point L172-3(lines 172 186) the Hoare annotation is: true [2018-11-18 14:25:59,325 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-18 14:25:59,325 INFO L425 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-18 14:25:59,325 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-18 14:25:59,325 INFO L428 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-18 14:25:59,325 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 14:25:59,325 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-18 14:25:59,325 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-11-18 14:25:59,325 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-11-18 14:25:59,325 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L421 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)) [2018-11-18 14:25:59,326 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-11-18 14:25:59,326 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or .cse5 .cse3 (< ~waterLevel~0 1) .cse2 .cse4))) [2018-11-18 14:25:59,326 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-11-18 14:25:59,327 INFO L421 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 14:25:59,327 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:25:59,327 INFO L425 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-11-18 14:25:59,327 INFO L421 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse0 (< ~waterLevel~0 2) .cse3) (or .cse1 .cse4 .cse0 .cse2 .cse3))) [2018-11-18 14:25:59,327 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-11-18 14:25:59,327 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= 2 ~waterLevel~0) .cse1) (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (or .cse3 .cse0 (< ~waterLevel~0 2) .cse2)) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-18 14:25:59,327 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-11-18 14:25:59,327 INFO L421 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:25:59,327 INFO L425 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-11-18 14:25:59,328 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 14:25:59,328 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 14:25:59,328 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-11-18 14:25:59,329 INFO L421 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 14:25:59,329 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-11-18 14:25:59,329 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-18 14:25:59,329 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 14:25:59,329 INFO L425 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-18 14:25:59,329 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-18 14:25:59,329 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-11-18 14:25:59,329 INFO L428 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-11-18 14:25:59,329 INFO L425 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-11-18 14:25:59,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:25:59 BoogieIcfgContainer [2018-11-18 14:25:59,358 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:25:59,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:25:59,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:25:59,374 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:25:59,375 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:25:19" (3/4) ... [2018-11-18 14:25:59,378 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:25:59,386 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:25:59,387 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:25:59,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:25:59,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 14:25:59,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:25:59,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:25:59,388 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 14:25:59,397 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 14:25:59,397 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:25:59,398 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:25:59,426 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:25:59,427 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:25:59,486 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_faca3aca-69df-4efa-a7b7-4d3e3d2dd50f/bin-2019/utaipan/witness.graphml [2018-11-18 14:25:59,486 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:25:59,487 INFO L168 Benchmark]: Toolchain (without parser) took 42623.08 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 660.1 MB). Free memory was 956.1 MB in the beginning and 1.4 GB in the end (delta: -481.8 MB). Peak memory consumption was 178.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:25:59,487 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:25:59,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.1 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:25:59,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.45 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. [2018-11-18 14:25:59,488 INFO L168 Benchmark]: Boogie Preprocessor took 54.29 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:25:59,488 INFO L168 Benchmark]: RCFGBuilder took 1354.06 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:25:59,488 INFO L168 Benchmark]: TraceAbstraction took 40357.01 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 537.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -399.7 MB). Peak memory consumption was 816.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:25:59,489 INFO L168 Benchmark]: Witness Printer took 123.40 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:25:59,490 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 700.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.1 MB in the beginning and 1.1 GB in the end (delta: -159.5 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.45 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 54.29 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1354.06 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: 59.5 MB). Peak memory consumption was 59.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40357.01 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 537.4 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -399.7 MB). Peak memory consumption was 816.9 MB. Max. memory is 11.5 GB. * Witness Printer took 123.40 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 40.2s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 22.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2266 SDtfs, 1576 SDslu, 7395 SDs, 0 SdLazy, 3306 SolverSat, 555 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 560 GetRequests, 440 SyntacticMatches, 4 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1458occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.9s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968130876435356 AbsIntWeakeningRatio, 1.058252427184466 AbsIntAvgWeakeningVarsNumRemoved, 83.62135922330097 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 361 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2028 PreInvPairs, 2128 NumberOfFragments, 2279 HoareAnnotationTreeSize, 2028 FomulaSimplifications, 8503 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 11011 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 7.3s InterpolantComputationTime, 1258 NumberOfCodeBlocks, 1258 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1403 ConstructedInterpolants, 0 QuantifiedInterpolants, 274343 SizeOfPredicates, 7 NumberOfNonLiveVariables, 802 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 146/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...