./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/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 3f1bc34860a9b5a05b4a0969639c999f2a7389fb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 21:59:29,686 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 21:59:29,688 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 21:59:29,694 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 21:59:29,694 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 21:59:29,695 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 21:59:29,696 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 21:59:29,697 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 21:59:29,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 21:59:29,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 21:59:29,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 21:59:29,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 21:59:29,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 21:59:29,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 21:59:29,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 21:59:29,701 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 21:59:29,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 21:59:29,702 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 21:59:29,703 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 21:59:29,704 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 21:59:29,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 21:59:29,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 21:59:29,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 21:59:29,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 21:59:29,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 21:59:29,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 21:59:29,708 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 21:59:29,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 21:59:29,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 21:59:29,709 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 21:59:29,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 21:59:29,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 21:59:29,710 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 21:59:29,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 21:59:29,710 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 21:59:29,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 21:59:29,711 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 21:59:29,721 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 21:59:29,721 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 21:59:29,721 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 21:59:29,721 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 21:59:29,722 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 21:59:29,722 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 21:59:29,723 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 21:59:29,723 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 21:59:29,724 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 21:59:29,724 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 21:59:29,724 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 21:59:29,725 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 21:59:29,725 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 21:59:29,725 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_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/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 -> 3f1bc34860a9b5a05b4a0969639c999f2a7389fb [2018-12-08 21:59:29,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 21:59:29,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 21:59:29,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 21:59:29,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 21:59:29,751 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 21:59:29,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-12-08 21:59:29,786 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/data/33d7c1bcc/5137fe0e8c104a149dd5281e6d82de78/FLAGb0d955e78 [2018-12-08 21:59:30,168 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 21:59:30,169 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-12-08 21:59:30,176 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/data/33d7c1bcc/5137fe0e8c104a149dd5281e6d82de78/FLAGb0d955e78 [2018-12-08 21:59:30,524 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/data/33d7c1bcc/5137fe0e8c104a149dd5281e6d82de78 [2018-12-08 21:59:30,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 21:59:30,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 21:59:30,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 21:59:30,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 21:59:30,536 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 21:59:30,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420df208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30, skipping insertion in model container [2018-12-08 21:59:30,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 21:59:30,571 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 21:59:30,724 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:59:30,732 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 21:59:30,831 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:59:30,849 INFO L195 MainTranslator]: Completed translation [2018-12-08 21:59:30,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30 WrapperNode [2018-12-08 21:59:30,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 21:59:30,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 21:59:30,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 21:59:30,850 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 21:59:30,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 21:59:30,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 21:59:30,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 21:59:30,875 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 21:59:30,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,899 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... [2018-12-08 21:59:30,904 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 21:59:30,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 21:59:30,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 21:59:30,904 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 21:59:30,905 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 21:59:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 21:59:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 21:59:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 21:59:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 21:59:30,960 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 21:59:30,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 21:59:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 21:59:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 21:59:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 21:59:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 21:59:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 21:59:30,961 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 21:59:30,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 21:59:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 21:59:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 21:59:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 21:59:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 21:59:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 21:59:30,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 21:59:30,962 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 21:59:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 21:59:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 21:59:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 21:59:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 21:59:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 21:59:30,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 21:59:30,963 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 21:59:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 21:59:30,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 21:59:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 21:59:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 21:59:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 21:59:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 21:59:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 21:59:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 21:59:31,361 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 21:59:31,361 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 21:59:31,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:59:31 BoogieIcfgContainer [2018-12-08 21:59:31,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 21:59:31,362 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 21:59:31,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 21:59:31,365 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 21:59:31,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:59:30" (1/3) ... [2018-12-08 21:59:31,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3864cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:59:31, skipping insertion in model container [2018-12-08 21:59:31,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:59:30" (2/3) ... [2018-12-08 21:59:31,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b3864cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:59:31, skipping insertion in model container [2018-12-08 21:59:31,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:59:31" (3/3) ... [2018-12-08 21:59:31,368 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-12-08 21:59:31,376 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 21:59:31,381 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 21:59:31,396 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 21:59:31,418 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 21:59:31,418 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 21:59:31,418 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 21:59:31,418 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 21:59:31,418 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 21:59:31,418 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 21:59:31,418 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 21:59:31,418 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 21:59:31,433 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-12-08 21:59:31,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 21:59:31,439 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:31,439 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:31,441 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:31,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:31,444 INFO L82 PathProgramCache]: Analyzing trace with hash -2129639158, now seen corresponding path program 1 times [2018-12-08 21:59:31,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:31,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,479 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:31,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:31,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:31,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 21:59:31,591 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:31,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 21:59:31,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 21:59:31,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 21:59:31,606 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-12-08 21:59:31,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:31,634 INFO L93 Difference]: Finished difference Result 316 states and 389 transitions. [2018-12-08 21:59:31,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 21:59:31,636 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 21:59:31,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:31,644 INFO L225 Difference]: With dead ends: 316 [2018-12-08 21:59:31,645 INFO L226 Difference]: Without dead ends: 160 [2018-12-08 21:59:31,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 21:59:31,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-08 21:59:31,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-08 21:59:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-08 21:59:31,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 188 transitions. [2018-12-08 21:59:31,688 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 188 transitions. Word has length 59 [2018-12-08 21:59:31,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:31,688 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 188 transitions. [2018-12-08 21:59:31,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 21:59:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 188 transitions. [2018-12-08 21:59:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-08 21:59:31,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:31,690 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:31,691 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:31,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:31,691 INFO L82 PathProgramCache]: Analyzing trace with hash 655644939, now seen corresponding path program 1 times [2018-12-08 21:59:31,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:31,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:31,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:31,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:31,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:31,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 21:59:31,753 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:31,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 21:59:31,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 21:59:31,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 21:59:31,755 INFO L87 Difference]: Start difference. First operand 160 states and 188 transitions. Second operand 3 states. [2018-12-08 21:59:31,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:31,771 INFO L93 Difference]: Finished difference Result 261 states and 307 transitions. [2018-12-08 21:59:31,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 21:59:31,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-08 21:59:31,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:31,773 INFO L225 Difference]: With dead ends: 261 [2018-12-08 21:59:31,773 INFO L226 Difference]: Without dead ends: 151 [2018-12-08 21:59:31,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 21:59:31,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-08 21:59:31,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-08 21:59:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-08 21:59:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2018-12-08 21:59:31,782 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 60 [2018-12-08 21:59:31,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:31,783 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2018-12-08 21:59:31,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 21:59:31,783 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2018-12-08 21:59:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 21:59:31,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:31,784 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:31,784 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:31,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:31,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1284160161, now seen corresponding path program 1 times [2018-12-08 21:59:31,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:31,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:31,786 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,786 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:31,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:31,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:31,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 21:59:31,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:31,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 21:59:31,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 21:59:31,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 21:59:31,849 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2018-12-08 21:59:31,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:31,870 INFO L93 Difference]: Finished difference Result 274 states and 325 transitions. [2018-12-08 21:59:31,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 21:59:31,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-12-08 21:59:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:31,872 INFO L225 Difference]: With dead ends: 274 [2018-12-08 21:59:31,872 INFO L226 Difference]: Without dead ends: 151 [2018-12-08 21:59:31,873 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 21:59:31,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-08 21:59:31,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-08 21:59:31,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-08 21:59:31,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 175 transitions. [2018-12-08 21:59:31,885 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 175 transitions. Word has length 65 [2018-12-08 21:59:31,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:31,887 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 175 transitions. [2018-12-08 21:59:31,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 21:59:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 175 transitions. [2018-12-08 21:59:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 21:59:31,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:31,890 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:31,890 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:31,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:31,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1026582285, now seen corresponding path program 1 times [2018-12-08 21:59:31,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:31,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:31,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:31,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:31,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:31,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:31,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 21:59:31,968 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:31,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 21:59:31,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 21:59:31,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 21:59:31,968 INFO L87 Difference]: Start difference. First operand 151 states and 175 transitions. Second operand 5 states. [2018-12-08 21:59:32,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:32,350 INFO L93 Difference]: Finished difference Result 388 states and 469 transitions. [2018-12-08 21:59:32,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 21:59:32,350 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2018-12-08 21:59:32,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:32,352 INFO L225 Difference]: With dead ends: 388 [2018-12-08 21:59:32,352 INFO L226 Difference]: Without dead ends: 265 [2018-12-08 21:59:32,353 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 21:59:32,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-12-08 21:59:32,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2018-12-08 21:59:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-12-08 21:59:32,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 280 transitions. [2018-12-08 21:59:32,379 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 280 transitions. Word has length 83 [2018-12-08 21:59:32,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:32,380 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 280 transitions. [2018-12-08 21:59:32,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 21:59:32,380 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 280 transitions. [2018-12-08 21:59:32,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 21:59:32,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:32,382 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:32,383 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:32,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:32,383 INFO L82 PathProgramCache]: Analyzing trace with hash -616745804, now seen corresponding path program 1 times [2018-12-08 21:59:32,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:32,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:32,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:32,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:32,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 21:59:32,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:32,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 21:59:32,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:32,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 21:59:32,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 21:59:32,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 21:59:32,477 INFO L87 Difference]: Start difference. First operand 246 states and 280 transitions. Second operand 7 states. [2018-12-08 21:59:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:32,829 INFO L93 Difference]: Finished difference Result 482 states and 565 transitions. [2018-12-08 21:59:32,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 21:59:32,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 97 [2018-12-08 21:59:32,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:32,830 INFO L225 Difference]: With dead ends: 482 [2018-12-08 21:59:32,831 INFO L226 Difference]: Without dead ends: 264 [2018-12-08 21:59:32,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 21:59:32,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-12-08 21:59:32,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 245. [2018-12-08 21:59:32,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-12-08 21:59:32,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 277 transitions. [2018-12-08 21:59:32,842 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 277 transitions. Word has length 97 [2018-12-08 21:59:32,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:32,843 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 277 transitions. [2018-12-08 21:59:32,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 21:59:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 277 transitions. [2018-12-08 21:59:32,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 21:59:32,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:32,844 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:32,844 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:32,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:32,844 INFO L82 PathProgramCache]: Analyzing trace with hash -740962008, now seen corresponding path program 1 times [2018-12-08 21:59:32,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:32,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:32,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:32,845 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:32,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:32,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:32,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 21:59:32,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:32,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 21:59:32,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 21:59:32,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 21:59:32,887 INFO L87 Difference]: Start difference. First operand 245 states and 277 transitions. Second operand 6 states. [2018-12-08 21:59:32,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:32,912 INFO L93 Difference]: Finished difference Result 467 states and 537 transitions. [2018-12-08 21:59:32,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 21:59:32,912 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-08 21:59:32,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:32,914 INFO L225 Difference]: With dead ends: 467 [2018-12-08 21:59:32,915 INFO L226 Difference]: Without dead ends: 250 [2018-12-08 21:59:32,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 21:59:32,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-12-08 21:59:32,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2018-12-08 21:59:32,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2018-12-08 21:59:32,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 282 transitions. [2018-12-08 21:59:32,929 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 282 transitions. Word has length 98 [2018-12-08 21:59:32,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:32,930 INFO L480 AbstractCegarLoop]: Abstraction has 250 states and 282 transitions. [2018-12-08 21:59:32,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 21:59:32,930 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 282 transitions. [2018-12-08 21:59:32,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 21:59:32,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:32,931 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:32,931 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:32,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:32,932 INFO L82 PathProgramCache]: Analyzing trace with hash -813348566, now seen corresponding path program 1 times [2018-12-08 21:59:32,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:32,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:32,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:32,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:32,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:33,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:33,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 21:59:33,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:33,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 21:59:33,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 21:59:33,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 21:59:33,008 INFO L87 Difference]: Start difference. First operand 250 states and 282 transitions. Second operand 8 states. [2018-12-08 21:59:33,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:33,027 INFO L93 Difference]: Finished difference Result 479 states and 555 transitions. [2018-12-08 21:59:33,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 21:59:33,028 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-08 21:59:33,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:33,029 INFO L225 Difference]: With dead ends: 479 [2018-12-08 21:59:33,029 INFO L226 Difference]: Without dead ends: 257 [2018-12-08 21:59:33,030 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 21:59:33,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-08 21:59:33,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 254. [2018-12-08 21:59:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2018-12-08 21:59:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 286 transitions. [2018-12-08 21:59:33,041 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 286 transitions. Word has length 98 [2018-12-08 21:59:33,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:33,041 INFO L480 AbstractCegarLoop]: Abstraction has 254 states and 286 transitions. [2018-12-08 21:59:33,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 21:59:33,042 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 286 transitions. [2018-12-08 21:59:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-08 21:59:33,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:33,043 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:33,043 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:33,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:33,043 INFO L82 PathProgramCache]: Analyzing trace with hash -483582805, now seen corresponding path program 1 times [2018-12-08 21:59:33,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:33,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:33,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:33,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:33,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:33,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:33,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 21:59:33,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:33,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 21:59:33,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 21:59:33,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 21:59:33,092 INFO L87 Difference]: Start difference. First operand 254 states and 286 transitions. Second operand 4 states. [2018-12-08 21:59:33,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:33,218 INFO L93 Difference]: Finished difference Result 748 states and 882 transitions. [2018-12-08 21:59:33,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 21:59:33,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-08 21:59:33,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:33,220 INFO L225 Difference]: With dead ends: 748 [2018-12-08 21:59:33,220 INFO L226 Difference]: Without dead ends: 522 [2018-12-08 21:59:33,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 21:59:33,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2018-12-08 21:59:33,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 513. [2018-12-08 21:59:33,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-12-08 21:59:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 593 transitions. [2018-12-08 21:59:33,247 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 593 transitions. Word has length 98 [2018-12-08 21:59:33,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:33,247 INFO L480 AbstractCegarLoop]: Abstraction has 513 states and 593 transitions. [2018-12-08 21:59:33,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 21:59:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 593 transitions. [2018-12-08 21:59:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 21:59:33,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:33,249 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:33,249 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:33,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:33,250 INFO L82 PathProgramCache]: Analyzing trace with hash -323171707, now seen corresponding path program 1 times [2018-12-08 21:59:33,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:33,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:33,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:33,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:33,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:59:33,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 21:59:33,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 21:59:33,341 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:33,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 21:59:33,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 21:59:33,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 21:59:33,341 INFO L87 Difference]: Start difference. First operand 513 states and 593 transitions. Second operand 9 states. [2018-12-08 21:59:33,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:33,909 INFO L93 Difference]: Finished difference Result 1344 states and 1622 transitions. [2018-12-08 21:59:33,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 21:59:33,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2018-12-08 21:59:33,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:33,914 INFO L225 Difference]: With dead ends: 1344 [2018-12-08 21:59:33,914 INFO L226 Difference]: Without dead ends: 936 [2018-12-08 21:59:33,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 21:59:33,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2018-12-08 21:59:33,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 852. [2018-12-08 21:59:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2018-12-08 21:59:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 973 transitions. [2018-12-08 21:59:33,964 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 973 transitions. Word has length 102 [2018-12-08 21:59:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:33,965 INFO L480 AbstractCegarLoop]: Abstraction has 852 states and 973 transitions. [2018-12-08 21:59:33,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 21:59:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 973 transitions. [2018-12-08 21:59:33,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-08 21:59:33,967 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:33,967 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:33,968 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:33,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:33,968 INFO L82 PathProgramCache]: Analyzing trace with hash -513912040, now seen corresponding path program 1 times [2018-12-08 21:59:33,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:33,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:33,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:33,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:33,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:34,074 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 21:59:34,074 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 21:59:34,074 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 21:59:34,075 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-12-08 21:59:34,077 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [74], [76], [82], [86], [89], [90], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [136], [139], [149], [150], [151], [152], [153], [154], [155], [157], [162], [164], [165], [166], [167], [178], [181], [185], [191], [218], [219], [222], [226], [227], [233], [236], [238], [241], [248], [251], [254], [258], [259], [262], [265], [267], [273], [277], [280], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [305], [306], [307], [308], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350], [351], [352], [355], [356], [357], [358] [2018-12-08 21:59:34,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 21:59:34,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 21:59:35,206 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 21:59:35,207 INFO L272 AbstractInterpreter]: Visited 145 different actions 710 times. Merged at 19 different actions 60 times. Never widened. Performed 23039 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23039 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-08 21:59:35,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:35,214 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 21:59:35,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 21:59:35,214 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 21:59:35,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:35,221 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 21:59:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:35,342 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 21:59:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:59:35,444 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 21:59:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 21:59:35,687 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 21:59:35,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 21:59:35,687 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 21:59:35,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 21:59:35,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 21:59:35,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 21:59:35,688 INFO L87 Difference]: Start difference. First operand 852 states and 973 transitions. Second operand 16 states. [2018-12-08 21:59:36,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:36,340 INFO L93 Difference]: Finished difference Result 1911 states and 2260 transitions. [2018-12-08 21:59:36,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-08 21:59:36,341 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 180 [2018-12-08 21:59:36,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:36,345 INFO L225 Difference]: With dead ends: 1911 [2018-12-08 21:59:36,345 INFO L226 Difference]: Without dead ends: 1162 [2018-12-08 21:59:36,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 352 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 21:59:36,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2018-12-08 21:59:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1018. [2018-12-08 21:59:36,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1018 states. [2018-12-08 21:59:36,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1173 transitions. [2018-12-08 21:59:36,395 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1173 transitions. Word has length 180 [2018-12-08 21:59:36,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:36,396 INFO L480 AbstractCegarLoop]: Abstraction has 1018 states and 1173 transitions. [2018-12-08 21:59:36,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 21:59:36,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1173 transitions. [2018-12-08 21:59:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 21:59:36,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:36,400 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 21:59:36,400 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:36,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:36,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1171151548, now seen corresponding path program 1 times [2018-12-08 21:59:36,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:36,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:36,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:36,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:36,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:36,516 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 100 proven. 9 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-08 21:59:36,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 21:59:36,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 21:59:36,516 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-12-08 21:59:36,516 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [136], [139], [149], [150], [151], [152], [153], [154], [155], [157], [162], [164], [165], [166], [167], [178], [181], [185], [191], [218], [219], [222], [226], [227], [233], [236], [238], [241], [248], [251], [254], [256], [258], [259], [262], [265], [267], [273], [277], [280], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [349], [350], [351], [352], [355], [356], [357], [358] [2018-12-08 21:59:36,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 21:59:36,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 21:59:37,767 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 21:59:37,767 INFO L272 AbstractInterpreter]: Visited 147 different actions 1105 times. Merged at 21 different actions 95 times. Never widened. Performed 34957 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-08 21:59:37,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:37,769 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 21:59:37,769 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 21:59:37,769 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 21:59:37,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:37,775 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 21:59:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:37,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 21:59:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 212 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-08 21:59:37,999 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 21:59:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 79 proven. 33 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-08 21:59:38,459 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 21:59:38,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-08 21:59:38,460 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 21:59:38,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 21:59:38,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 21:59:38,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-08 21:59:38,460 INFO L87 Difference]: Start difference. First operand 1018 states and 1173 transitions. Second operand 18 states. [2018-12-08 21:59:39,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:39,951 INFO L93 Difference]: Finished difference Result 2735 states and 3332 transitions. [2018-12-08 21:59:39,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-08 21:59:39,951 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 305 [2018-12-08 21:59:39,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:39,955 INFO L225 Difference]: With dead ends: 2735 [2018-12-08 21:59:39,955 INFO L226 Difference]: Without dead ends: 1482 [2018-12-08 21:59:39,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 598 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-12-08 21:59:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-12-08 21:59:40,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1361. [2018-12-08 21:59:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1361 states. [2018-12-08 21:59:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1553 transitions. [2018-12-08 21:59:40,004 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1553 transitions. Word has length 305 [2018-12-08 21:59:40,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:40,004 INFO L480 AbstractCegarLoop]: Abstraction has 1361 states and 1553 transitions. [2018-12-08 21:59:40,004 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 21:59:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1553 transitions. [2018-12-08 21:59:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2018-12-08 21:59:40,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 21:59:40,009 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 21:59:40,009 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 21:59:40,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:40,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1683537609, now seen corresponding path program 1 times [2018-12-08 21:59:40,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 21:59:40,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:40,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:40,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 21:59:40,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 21:59:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:40,108 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-12-08 21:59:40,108 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 21:59:40,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 21:59:40,109 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 392 with the following transitions: [2018-12-08 21:59:40,109 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [93], [94], [95], [96], [97], [106], [110], [114], [117], [120], [122], [128], [130], [136], [139], [149], [150], [151], [152], [153], [154], [155], [157], [160], [162], [164], [165], [166], [167], [178], [181], [185], [191], [218], [219], [222], [226], [227], [233], [236], [238], [241], [244], [248], [251], [254], [258], [259], [262], [265], [267], [273], [277], [280], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291], [292], [293], [294], [295], [296], [297], [299], [300], [301], [302], [303], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [333], [334], [339], [340], [341], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [355], [356], [357], [358] [2018-12-08 21:59:40,112 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 21:59:40,112 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 21:59:42,024 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 21:59:42,025 INFO L272 AbstractInterpreter]: Visited 147 different actions 1567 times. Merged at 37 different actions 351 times. Widened at 1 different actions 1 times. Performed 52478 root evaluator evaluations with a maximum evaluation depth of 5. Performed 52478 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 65 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-08 21:59:42,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:59:42,027 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 21:59:42,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 21:59:42,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 21:59:42,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 21:59:42,033 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 21:59:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:42,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 21:59:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 299 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2018-12-08 21:59:42,205 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 21:59:42,539 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 113 proven. 16 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2018-12-08 21:59:42,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 21:59:42,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-08 21:59:42,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 21:59:42,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 21:59:42,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 21:59:42,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 21:59:42,555 INFO L87 Difference]: Start difference. First operand 1361 states and 1553 transitions. Second operand 6 states. [2018-12-08 21:59:42,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 21:59:42,589 INFO L93 Difference]: Finished difference Result 1656 states and 1880 transitions. [2018-12-08 21:59:42,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 21:59:42,589 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 391 [2018-12-08 21:59:42,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 21:59:42,590 INFO L225 Difference]: With dead ends: 1656 [2018-12-08 21:59:42,590 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 21:59:42,593 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 777 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 21:59:42,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 21:59:42,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 21:59:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 21:59:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 21:59:42,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 391 [2018-12-08 21:59:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 21:59:42,593 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 21:59:42,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 21:59:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 21:59:42,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 21:59:42,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 21:59:42,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:42,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 21:59:43,753 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-12-08 21:59:45,022 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2018-12-08 21:59:45,022 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2018-12-08 21:59:45,022 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-08 21:59:45,022 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-12-08 21:59:45,022 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-12-08 21:59:45,023 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4))) [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse5) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse5))) [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L444 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,023 INFO L444 ceAbstractionStarter]: At program point L302-1(line 302) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2018-12-08 21:59:45,023 INFO L448 ceAbstractionStarter]: For program point L300(lines 300 307) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,024 INFO L444 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,024 INFO L444 ceAbstractionStarter]: At program point L296-1(line 296) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L451 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2018-12-08 21:59:45,024 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2018-12-08 21:59:45,024 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,024 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L451 ceAbstractionStarter]: At program point L453(line 453) the Hoare annotation is: true [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point L453-1(line 453) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 428) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-08 21:59:45,025 INFO L444 ceAbstractionStarter]: At program point L426(line 426) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2018-12-08 21:59:45,025 INFO L444 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-12-08 21:59:45,025 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 188) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 603) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L562(lines 561 608) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 604) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 587) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 21:59:45,026 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (= |old(~systemActive~0)| 0) (and (= 1 ~waterLevel~0) .cse3) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L571(lines 571 577) no Hoare annotation was computed. [2018-12-08 21:59:45,026 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 517) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L451 ceAbstractionStarter]: At program point L511(line 511) the Hoare annotation is: true [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point L511-1(line 511) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2018-12-08 21:59:45,027 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse3 .cse4) (or (or .cse2 .cse5) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse1 .cse2 .cse5) .cse0)))) [2018-12-08 21:59:45,028 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse3 .cse1 .cse4) (or (or .cse3 .cse1 .cse2) .cse0) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2018-12-08 21:59:45,028 INFO L444 ceAbstractionStarter]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (and (= ~pumpRunning~0 1) .cse4) (or .cse1 .cse2 .cse3) .cse0)))) [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L444 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse2))) [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point L327(lines 323 345) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point L325(lines 323 345) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L451 ceAbstractionStarter]: At program point L223-2(lines 223 237) the Hoare annotation is: true [2018-12-08 21:59:45,028 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2018-12-08 21:59:45,028 INFO L451 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: true [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L451 ceAbstractionStarter]: At program point L238(lines 213 242) the Hoare annotation is: true [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-12-08 21:59:45,028 INFO L451 ceAbstractionStarter]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2018-12-08 21:59:45,029 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (or (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 21:59:45,029 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (or (or .cse2 .cse3) (not (= 1 ~pumpRunning~0)))))) [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2018-12-08 21:59:45,029 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-08 21:59:45,029 INFO L448 ceAbstractionStarter]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L444 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse0 .cse2 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-08 21:59:45,030 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 21:59:45,030 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 371) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 21:59:45,030 INFO L448 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 376) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse3 .cse0) .cse2) (or (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 1))) .cse1))) [2018-12-08 21:59:45,030 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2018-12-08 21:59:45,030 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2018-12-08 21:59:45,031 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2018-12-08 21:59:45,031 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2018-12-08 21:59:45,031 INFO L448 ceAbstractionStarter]: For program point L385(lines 385 402) no Hoare annotation was computed. [2018-12-08 21:59:45,031 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2018-12-08 21:59:45,031 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-08 21:59:45,031 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-12-08 21:59:45,031 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2018-12-08 21:59:45,031 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-08 21:59:45,031 INFO L444 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-12-08 21:59:45,032 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 397) no Hoare annotation was computed. [2018-12-08 21:59:45,032 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-12-08 21:59:45,032 INFO L448 ceAbstractionStarter]: For program point L387-1(line 387) no Hoare annotation was computed. [2018-12-08 21:59:45,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:59:45 BoogieIcfgContainer [2018-12-08 21:59:45,042 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 21:59:45,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 21:59:45,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 21:59:45,043 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 21:59:45,043 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:59:31" (3/4) ... [2018-12-08 21:59:45,045 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 21:59:45,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 21:59:45,051 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 21:59:45,055 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-08 21:59:45,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 21:59:45,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 21:59:45,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 21:59:45,057 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 21:59:45,057 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 21:59:45,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) [2018-12-08 21:59:45,078 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-12-08 21:59:45,108 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ba2b3d5-9134-4e42-926c-25dd067f0d4d/bin-2019/utaipan/witness.graphml [2018-12-08 21:59:45,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 21:59:45,109 INFO L168 Benchmark]: Toolchain (without parser) took 14579.91 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 950.6 MB in the beginning and 1.8 GB in the end (delta: -866.3 MB). Peak memory consumption was 175.9 MB. Max. memory is 11.5 GB. [2018-12-08 21:59:45,109 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 21:59:45,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. [2018-12-08 21:59:45,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 21:59:45,110 INFO L168 Benchmark]: Boogie Preprocessor took 29.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 21:59:45,110 INFO L168 Benchmark]: RCFGBuilder took 457.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-08 21:59:45,110 INFO L168 Benchmark]: TraceAbstraction took 13680.21 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 929.0 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -772.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 21:59:45,110 INFO L168 Benchmark]: Witness Printer took 65.77 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 101.6 kB). Peak memory consumption was 101.6 kB. Max. memory is 11.5 GB. [2018-12-08 21:59:45,111 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 318.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 457.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13680.21 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 929.0 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -772.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 65.77 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 101.6 kB). Peak memory consumption was 101.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 173 locations, 1 error locations. SAFE Result, 13.6s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2594 SDtfs, 2485 SDslu, 7024 SDs, 0 SdLazy, 5793 SolverSat, 1310 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1941 GetRequests, 1778 SyntacticMatches, 23 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1361occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 399 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2196 PreInvPairs, 2278 NumberOfFragments, 2010 HoareAnnotationTreeSize, 2196 FomulaSimplifications, 10008 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 71 FomulaSimplificationsInter, 18607 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2512 NumberOfCodeBlocks, 2512 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3370 ConstructedInterpolants, 0 QuantifiedInterpolants, 1180522 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3721 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2647/2760 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...