./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/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 284d5750b565b650dea59fef4c61eb2e70211282 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:27:03,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:27:03,651 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:27:03,658 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:27:03,658 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:27:03,659 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:27:03,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:27:03,661 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:27:03,662 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:27:03,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:27:03,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:27:03,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:27:03,664 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:27:03,665 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:27:03,665 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:27:03,666 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:27:03,666 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:27:03,668 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:27:03,669 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:27:03,670 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:27:03,671 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:27:03,672 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:27:03,673 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:27:03,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:27:03,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:27:03,674 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:27:03,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:27:03,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:27:03,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:27:03,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:27:03,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:27:03,678 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:27:03,678 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:27:03,678 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:27:03,679 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:27:03,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:27:03,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 03:27:03,689 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:27:03,690 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:27:03,690 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:27:03,690 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:27:03,691 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 03:27:03,691 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 03:27:03,691 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 03:27:03,691 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 03:27:03,691 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 03:27:03,691 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 03:27:03,691 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 03:27:03,692 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 03:27:03,692 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 03:27:03,692 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:27:03,692 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:27:03,693 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:27:03,694 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:27:03,694 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:27:03,694 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:27:03,694 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:27:03,694 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:27:03,694 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:27:03,695 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:27:03,695 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:27:03,695 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:27:03,695 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:27:03,695 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:27:03,695 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 03:27:03,695 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:27:03,696 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:27:03,696 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 03:27:03,696 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_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2018-11-23 03:27:03,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:27:03,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:27:03,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:27:03,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:27:03,731 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:27:03,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-23 03:27:03,766 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/data/7d6e2aa76/a1634a4934594da68c47614e48e1baea/FLAG1e219212f [2018-11-23 03:27:04,181 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:27:04,181 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-23 03:27:04,188 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/data/7d6e2aa76/a1634a4934594da68c47614e48e1baea/FLAG1e219212f [2018-11-23 03:27:04,197 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/data/7d6e2aa76/a1634a4934594da68c47614e48e1baea [2018-11-23 03:27:04,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:27:04,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:27:04,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:27:04,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:27:04,204 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:27:04,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ff9ad9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04, skipping insertion in model container [2018-11-23 03:27:04,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:27:04,245 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:27:04,442 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:27:04,452 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:27:04,557 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:27:04,574 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:27:04,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04 WrapperNode [2018-11-23 03:27:04,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:27:04,575 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:27:04,575 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:27:04,575 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:27:04,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,600 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:27:04,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:27:04,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:27:04,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:27:04,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... [2018-11-23 03:27:04,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:27:04,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:27:04,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:27:04,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:27:04,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:27:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:27:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:27:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:27:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:27:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:27:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:27:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:27:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:27:04,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:27:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:27:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:27:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:27:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:27:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:27:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:27:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:27:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:27:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 03:27:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 03:27:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:27:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:27:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:27:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:27:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:27:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:27:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:27:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:27:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:27:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:27:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 03:27:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 03:27:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:27:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:27:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:27:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:27:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:27:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:27:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:27:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:27:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:27:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:27:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:27:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:27:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 03:27:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 03:27:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:27:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:27:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:27:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:27:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:27:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 03:27:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 03:27:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:27:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:27:04,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:27:04,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:27:05,134 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:27:05,134 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:27:05,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:05 BoogieIcfgContainer [2018-11-23 03:27:05,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:27:05,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:27:05,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:27:05,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:27:05,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:27:04" (1/3) ... [2018-11-23 03:27:05,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4ed3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:05, skipping insertion in model container [2018-11-23 03:27:05,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:27:04" (2/3) ... [2018-11-23 03:27:05,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4ed3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:27:05, skipping insertion in model container [2018-11-23 03:27:05,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:05" (3/3) ... [2018-11-23 03:27:05,141 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-23 03:27:05,149 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:27:05,156 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:27:05,170 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:27:05,195 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:27:05,195 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:27:05,195 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:27:05,195 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:27:05,195 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:27:05,195 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:27:05,195 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:27:05,195 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:27:05,212 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-11-23 03:27:05,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:27:05,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:05,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:05,223 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:05,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:05,228 INFO L82 PathProgramCache]: Analyzing trace with hash -294225382, now seen corresponding path program 1 times [2018-11-23 03:27:05,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:05,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:05,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:05,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:05,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:05,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:05,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:05,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:27:05,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:05,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:27:05,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:27:05,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:27:05,430 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-11-23 03:27:05,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:05,458 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2018-11-23 03:27:05,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:27:05,459 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 03:27:05,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:05,468 INFO L225 Difference]: With dead ends: 254 [2018-11-23 03:27:05,468 INFO L226 Difference]: Without dead ends: 127 [2018-11-23 03:27:05,471 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 [2018-11-23 03:27:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-23 03:27:05,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-23 03:27:05,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 03:27:05,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-11-23 03:27:05,508 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2018-11-23 03:27:05,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:05,509 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-11-23 03:27:05,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:27:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-11-23 03:27:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 03:27:05,511 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:05,511 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:05,511 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:05,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:05,512 INFO L82 PathProgramCache]: Analyzing trace with hash -229410569, now seen corresponding path program 1 times [2018-11-23 03:27:05,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:05,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:05,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:05,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:05,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:05,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:05,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:27:05,593 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:05,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:27:05,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:27:05,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:27:05,595 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2018-11-23 03:27:05,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:05,609 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-11-23 03:27:05,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:27:05,609 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 03:27:05,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:05,611 INFO L225 Difference]: With dead ends: 199 [2018-11-23 03:27:05,611 INFO L226 Difference]: Without dead ends: 118 [2018-11-23 03:27:05,612 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 [2018-11-23 03:27:05,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-23 03:27:05,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-23 03:27:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-23 03:27:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-23 03:27:05,621 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2018-11-23 03:27:05,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:05,621 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-23 03:27:05,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:27:05,622 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-23 03:27:05,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 03:27:05,623 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:05,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:05,623 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:05,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:05,624 INFO L82 PathProgramCache]: Analyzing trace with hash -237918661, now seen corresponding path program 1 times [2018-11-23 03:27:05,624 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:05,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:05,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:05,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:05,625 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:05,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:05,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:05,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:27:05,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:05,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:27:05,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:27:05,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:27:05,773 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-11-23 03:27:05,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:05,987 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-11-23 03:27:05,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:27:05,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 03:27:05,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:05,989 INFO L225 Difference]: With dead ends: 212 [2018-11-23 03:27:05,989 INFO L226 Difference]: Without dead ends: 118 [2018-11-23 03:27:05,990 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:27:05,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-23 03:27:05,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-23 03:27:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-23 03:27:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-11-23 03:27:05,998 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2018-11-23 03:27:05,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:05,999 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-11-23 03:27:05,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:27:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-11-23 03:27:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 03:27:06,000 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:06,000 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:06,000 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:06,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:06,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1761248130, now seen corresponding path program 1 times [2018-11-23 03:27:06,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:06,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:06,001 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:06,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:06,002 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:06,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:06,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:27:06,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:06,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:27:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:27:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:27:06,092 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2018-11-23 03:27:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:06,649 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2018-11-23 03:27:06,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:27:06,649 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-23 03:27:06,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:06,651 INFO L225 Difference]: With dead ends: 314 [2018-11-23 03:27:06,652 INFO L226 Difference]: Without dead ends: 220 [2018-11-23 03:27:06,653 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:27:06,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-23 03:27:06,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-11-23 03:27:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-23 03:27:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2018-11-23 03:27:06,675 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2018-11-23 03:27:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:06,675 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2018-11-23 03:27:06,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:27:06,676 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2018-11-23 03:27:06,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 03:27:06,677 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:06,678 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:06,678 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:06,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:06,678 INFO L82 PathProgramCache]: Analyzing trace with hash 895970761, now seen corresponding path program 1 times [2018-11-23 03:27:06,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:06,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:06,680 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:06,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:06,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:06,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:06,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 03:27:06,769 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:06,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:27:06,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:27:06,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:27:06,770 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2018-11-23 03:27:06,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:06,835 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2018-11-23 03:27:06,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:27:06,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2018-11-23 03:27:06,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:06,842 INFO L225 Difference]: With dead ends: 385 [2018-11-23 03:27:06,843 INFO L226 Difference]: Without dead ends: 208 [2018-11-23 03:27:06,844 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 [2018-11-23 03:27:06,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-23 03:27:06,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 205. [2018-11-23 03:27:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-23 03:27:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 234 transitions. [2018-11-23 03:27:06,860 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 234 transitions. Word has length 80 [2018-11-23 03:27:06,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:06,860 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 234 transitions. [2018-11-23 03:27:06,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:27:06,861 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 234 transitions. [2018-11-23 03:27:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-23 03:27:06,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:06,862 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:06,862 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:06,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:06,862 INFO L82 PathProgramCache]: Analyzing trace with hash 968357319, now seen corresponding path program 1 times [2018-11-23 03:27:06,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:06,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:06,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:06,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:06,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:06,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:06,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:06,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:27:06,942 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:06,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:27:06,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:27:06,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:27:06,943 INFO L87 Difference]: Start difference. First operand 205 states and 234 transitions. Second operand 6 states. [2018-11-23 03:27:07,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:07,097 INFO L93 Difference]: Finished difference Result 513 states and 613 transitions. [2018-11-23 03:27:07,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:27:07,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-23 03:27:07,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:07,101 INFO L225 Difference]: With dead ends: 513 [2018-11-23 03:27:07,101 INFO L226 Difference]: Without dead ends: 332 [2018-11-23 03:27:07,102 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:27:07,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-11-23 03:27:07,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-11-23 03:27:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-11-23 03:27:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 379 transitions. [2018-11-23 03:27:07,136 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 379 transitions. Word has length 80 [2018-11-23 03:27:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:07,137 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 379 transitions. [2018-11-23 03:27:07,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:27:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 379 transitions. [2018-11-23 03:27:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 03:27:07,138 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:07,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:07,139 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:07,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:07,139 INFO L82 PathProgramCache]: Analyzing trace with hash -825537343, now seen corresponding path program 1 times [2018-11-23 03:27:07,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:07,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:07,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:07,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:07,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:07,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:27:07,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:07,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:27:07,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:27:07,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:27:07,247 INFO L87 Difference]: Start difference. First operand 328 states and 379 transitions. Second operand 6 states. [2018-11-23 03:27:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:07,373 INFO L93 Difference]: Finished difference Result 681 states and 815 transitions. [2018-11-23 03:27:07,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:27:07,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-23 03:27:07,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:07,377 INFO L225 Difference]: With dead ends: 681 [2018-11-23 03:27:07,377 INFO L226 Difference]: Without dead ends: 500 [2018-11-23 03:27:07,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:27:07,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-11-23 03:27:07,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2018-11-23 03:27:07,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-23 03:27:07,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2018-11-23 03:27:07,402 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2018-11-23 03:27:07,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:07,402 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2018-11-23 03:27:07,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:27:07,402 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2018-11-23 03:27:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 03:27:07,404 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:07,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:07,404 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:07,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:07,404 INFO L82 PathProgramCache]: Analyzing trace with hash -568158140, now seen corresponding path program 1 times [2018-11-23 03:27:07,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:07,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:07,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:07,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:07,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 03:27:07,477 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:07,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 03:27:07,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 03:27:07,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:27:07,477 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2018-11-23 03:27:07,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:07,532 INFO L93 Difference]: Finished difference Result 837 states and 999 transitions. [2018-11-23 03:27:07,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:27:07,533 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-11-23 03:27:07,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:07,535 INFO L225 Difference]: With dead ends: 837 [2018-11-23 03:27:07,535 INFO L226 Difference]: Without dead ends: 502 [2018-11-23 03:27:07,536 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:27:07,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-23 03:27:07,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 497. [2018-11-23 03:27:07,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-11-23 03:27:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 585 transitions. [2018-11-23 03:27:07,562 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 585 transitions. Word has length 84 [2018-11-23 03:27:07,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:07,563 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 585 transitions. [2018-11-23 03:27:07,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 03:27:07,563 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 585 transitions. [2018-11-23 03:27:07,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-23 03:27:07,564 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:07,564 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:27:07,565 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:07,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:07,565 INFO L82 PathProgramCache]: Analyzing trace with hash -495771582, now seen corresponding path program 1 times [2018-11-23 03:27:07,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:07,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:07,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,566 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:07,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:27:07,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:07,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 03:27:07,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:07,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 03:27:07,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 03:27:07,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:27:07,633 INFO L87 Difference]: Start difference. First operand 497 states and 585 transitions. Second operand 5 states. [2018-11-23 03:27:07,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:07,653 INFO L93 Difference]: Finished difference Result 839 states and 1006 transitions. [2018-11-23 03:27:07,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 03:27:07,654 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-23 03:27:07,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:07,655 INFO L225 Difference]: With dead ends: 839 [2018-11-23 03:27:07,656 INFO L226 Difference]: Without dead ends: 489 [2018-11-23 03:27:07,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 03:27:07,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-23 03:27:07,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-11-23 03:27:07,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-11-23 03:27:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 574 transitions. [2018-11-23 03:27:07,674 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 574 transitions. Word has length 84 [2018-11-23 03:27:07,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:07,674 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 574 transitions. [2018-11-23 03:27:07,674 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 03:27:07,674 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 574 transitions. [2018-11-23 03:27:07,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 03:27:07,676 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:07,676 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] [2018-11-23 03:27:07,676 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:07,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:07,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1017486641, now seen corresponding path program 1 times [2018-11-23 03:27:07,676 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:07,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:07,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:07,677 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:27:07,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:27:07,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:27:07,750 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 97 with the following transitions: [2018-11-23 03:27:07,751 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [31], [32], [33], [36], [38], [41], [51], [53], [62], [66], [70], [73], [78], [84], [86], [92], [97], [107], [108], [109], [111], [114], [119], [120], [121], [122], [124], [129], [131], [132], [140], [141], [147], [151], [184], [186], [191], [193], [196], [198], [203], [217], [225], [229], [230], [233], [234], [235], [236], [237], [238], [239], [240], [241], [243], [245], [246], [247], [248], [249], [250], [255], [256], [261], [265], [266], [269], [270], [273], [274], [275], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291] [2018-11-23 03:27:07,777 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:27:07,777 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:27:08,095 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 03:27:08,096 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Performed 2347 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2347 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 03:27:08,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:08,110 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 03:27:08,308 INFO L227 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 96.63% of their original sizes. [2018-11-23 03:27:08,308 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 03:27:08,498 INFO L415 sIntCurrentIteration]: We unified 95 AI predicates to 95 [2018-11-23 03:27:08,499 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 03:27:08,499 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:27:08,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-11-23 03:27:08,500 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:08,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 03:27:08,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 03:27:08,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-11-23 03:27:08,501 INFO L87 Difference]: Start difference. First operand 489 states and 574 transitions. Second operand 18 states. [2018-11-23 03:27:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:11,562 INFO L93 Difference]: Finished difference Result 1076 states and 1282 transitions. [2018-11-23 03:27:11,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 03:27:11,563 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 96 [2018-11-23 03:27:11,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:11,565 INFO L225 Difference]: With dead ends: 1076 [2018-11-23 03:27:11,565 INFO L226 Difference]: Without dead ends: 611 [2018-11-23 03:27:11,566 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2018-11-23 03:27:11,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2018-11-23 03:27:11,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 607. [2018-11-23 03:27:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2018-11-23 03:27:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 711 transitions. [2018-11-23 03:27:11,585 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 711 transitions. Word has length 96 [2018-11-23 03:27:11,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:11,585 INFO L480 AbstractCegarLoop]: Abstraction has 607 states and 711 transitions. [2018-11-23 03:27:11,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 03:27:11,585 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 711 transitions. [2018-11-23 03:27:11,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 03:27:11,587 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:11,587 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] [2018-11-23 03:27:11,587 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:11,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:11,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1394556845, now seen corresponding path program 1 times [2018-11-23 03:27:11,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:11,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:11,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:11,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:11,589 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:27:11,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:11,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:27:11,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:11,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:27:11,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:27:11,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:27:11,704 INFO L87 Difference]: Start difference. First operand 607 states and 711 transitions. Second operand 10 states. [2018-11-23 03:27:11,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:11,895 INFO L93 Difference]: Finished difference Result 1486 states and 1796 transitions. [2018-11-23 03:27:11,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 03:27:11,895 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-11-23 03:27:11,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:11,899 INFO L225 Difference]: With dead ends: 1486 [2018-11-23 03:27:11,900 INFO L226 Difference]: Without dead ends: 1021 [2018-11-23 03:27:11,901 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:27:11,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-11-23 03:27:11,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1003. [2018-11-23 03:27:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2018-11-23 03:27:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1179 transitions. [2018-11-23 03:27:11,948 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1179 transitions. Word has length 100 [2018-11-23 03:27:11,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:11,948 INFO L480 AbstractCegarLoop]: Abstraction has 1003 states and 1179 transitions. [2018-11-23 03:27:11,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:27:11,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1179 transitions. [2018-11-23 03:27:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 03:27:11,950 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:11,950 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] [2018-11-23 03:27:11,950 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:11,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:11,951 INFO L82 PathProgramCache]: Analyzing trace with hash -977645101, now seen corresponding path program 1 times [2018-11-23 03:27:11,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:11,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:11,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:11,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:11,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:12,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:27:12,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:27:12,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 03:27:12,048 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:12,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 03:27:12,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 03:27:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:27:12,048 INFO L87 Difference]: Start difference. First operand 1003 states and 1179 transitions. Second operand 10 states. [2018-11-23 03:27:12,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:12,142 INFO L93 Difference]: Finished difference Result 1870 states and 2203 transitions. [2018-11-23 03:27:12,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 03:27:12,143 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-11-23 03:27:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:12,145 INFO L225 Difference]: With dead ends: 1870 [2018-11-23 03:27:12,145 INFO L226 Difference]: Without dead ends: 565 [2018-11-23 03:27:12,147 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:27:12,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-11-23 03:27:12,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 563. [2018-11-23 03:27:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2018-11-23 03:27:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 638 transitions. [2018-11-23 03:27:12,164 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 638 transitions. Word has length 100 [2018-11-23 03:27:12,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:12,164 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 638 transitions. [2018-11-23 03:27:12,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 03:27:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 638 transitions. [2018-11-23 03:27:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-23 03:27:12,166 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:27:12,167 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, 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] [2018-11-23 03:27:12,167 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:27:12,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:12,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2143019352, now seen corresponding path program 1 times [2018-11-23 03:27:12,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 03:27:12,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:12,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:12,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:27:12,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 03:27:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 03:27:12,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:27:12,236 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 03:27:12,236 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-11-23 03:27:12,236 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [30], [31], [32], [33], [36], [38], [41], [44], [51], [52], [53], [62], [66], [70], [73], [76], [78], [81], [86], [92], [97], [107], [108], [109], [111], [114], [119], [120], [121], [122], [124], [127], [129], [131], [132], [135], [137], [139], [140], [141], [147], [151], [157], [184], [186], [189], [191], [193], [196], [198], [203], [209], [217], [225], [229], [230], [233], [234], [235], [236], [237], [238], [239], [240], [241], [243], [245], [246], [247], [248], [249], [250], [251], [252], [255], [256], [257], [258], [261], [262], [265], [266], [269], [270], [273], [274], [275], [276], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291] [2018-11-23 03:27:12,239 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 03:27:12,239 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 03:27:13,936 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 03:27:13,937 INFO L272 AbstractInterpreter]: Visited 111 different actions 851 times. Merged at 33 different actions 188 times. Widened at 1 different actions 1 times. Performed 37696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 37696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 31 fixpoints after 10 different actions. Largest state had 133 variables. [2018-11-23 03:27:13,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:27:13,946 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 03:27:13,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:27:13,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:27:13,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:27:13,963 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 03:27:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:27:14,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:27:14,137 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-23 03:27:14,137 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 03:27:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 03:27:14,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:27:14,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-23 03:27:14,469 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 03:27:14,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:27:14,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:27:14,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:27:14,470 INFO L87 Difference]: Start difference. First operand 563 states and 638 transitions. Second operand 8 states. [2018-11-23 03:27:14,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:27:14,603 INFO L93 Difference]: Finished difference Result 1060 states and 1219 transitions. [2018-11-23 03:27:14,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:27:14,603 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-11-23 03:27:14,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:27:14,604 INFO L225 Difference]: With dead ends: 1060 [2018-11-23 03:27:14,604 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:27:14,606 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 286 SyntacticMatches, 5 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:27:14,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:27:14,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:27:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:27:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:27:14,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-11-23 03:27:14,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:27:14,607 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:27:14,607 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:27:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:27:14,607 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:27:14,610 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:27:15,272 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2018-11-23 03:27:15,618 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2018-11-23 03:27:15,892 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2018-11-23 03:27:16,030 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2018-11-23 03:27:16,474 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2018-11-23 03:27:16,874 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2018-11-23 03:27:16,874 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2018-11-23 03:27:16,874 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2018-11-23 03:27:16,874 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2018-11-23 03:27:16,874 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2018-11-23 03:27:16,874 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 03:27:16,874 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 03:27:16,874 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,874 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,874 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,875 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,875 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 03:27:16,875 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 03:27:16,875 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,875 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,875 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 03:27:16,875 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2018-11-23 03:27:16,875 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2018-11-23 03:27:16,875 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2018-11-23 03:27:16,875 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2018-11-23 03:27:16,876 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2018-11-23 03:27:16,876 INFO L451 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2018-11-23 03:27:16,876 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2018-11-23 03:27:16,877 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-11-23 03:27:16,877 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)))) [2018-11-23 03:27:16,877 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)))) [2018-11-23 03:27:16,877 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-11-23 03:27:16,877 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (and .cse4 .cse3)) (or .cse0 .cse1 .cse2 .cse4))) [2018-11-23 03:27:16,877 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (= processEnvironment_~tmp~2 1) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse3 .cse2))) [2018-11-23 03:27:16,877 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-11-23 03:27:16,877 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:27:16,877 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-23 03:27:16,877 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-11-23 03:27:16,877 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-11-23 03:27:16,878 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-11-23 03:27:16,878 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,878 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-23 03:27:16,878 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2018-11-23 03:27:16,878 INFO L444 ceAbstractionStarter]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:27:16,878 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-23 03:27:16,878 INFO L444 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-11-23 03:27:16,878 INFO L448 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2018-11-23 03:27:16,878 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-11-23 03:27:16,878 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L444 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-11-23 03:27:16,879 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:27:16,879 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 03:27:16,879 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1))) [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2018-11-23 03:27:16,880 INFO L451 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse3 .cse2 (= ~methaneLevelCritical~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse3 .cse2 .cse1))) [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2018-11-23 03:27:16,881 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 2))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse10)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse6 .cse7 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse3 .cse9 (and .cse7 .cse5)) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or .cse2 .cse8 .cse3 .cse4) (or .cse8 .cse3 (= ~pumpRunning~0 1)) (or .cse1 (and .cse10 (= ~pumpRunning~0 0)) .cse3 .cse9 (not .cse6))))) [2018-11-23 03:27:16,882 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 2))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse9)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse6 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse3 .cse8 (and .cse7 .cse5)) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 (= ~pumpRunning~0 1)) (or .cse1 (and .cse9 (= ~pumpRunning~0 0)) .cse3 .cse8 (not .cse6))))) [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L444 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse6 (not .cse7)) (or .cse0 .cse7 .cse1 .cse8 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse5) (or (and .cse8 .cse5) .cse7 .cse1 .cse3 .cse6 (and .cse8 .cse9)) (or .cse0 .cse1 .cse5 .cse3 .cse9))) [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse2 .cse1 (= ~pumpRunning~0 1)) (or .cse2 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 03:27:16,882 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 03:27:16,882 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 03:27:16,883 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 03:27:16,883 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 03:27:16,883 INFO L444 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 1 ~pumpRunning~0)) .cse1))) [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-23 03:27:16,883 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2018-11-23 03:27:16,883 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~waterLevel~0 2)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 .cse4 .cse2) (or .cse3 .cse4 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2018-11-23 03:27:16,883 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-11-23 03:27:16,883 INFO L448 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 03:27:16,884 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2018-11-23 03:27:16,884 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:27:16,885 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2018-11-23 03:27:16,885 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2018-11-23 03:27:16,885 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2018-11-23 03:27:16,885 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse7) (or .cse1 .cse8 .cse2 .cse3) (or .cse6 .cse7 .cse8 .cse2) (or .cse6 .cse0 .cse2 .cse4 .cse7) (or .cse5 .cse0 .cse1 .cse2 .cse3))) [2018-11-23 03:27:16,885 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2018-11-23 03:27:16,885 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2018-11-23 03:27:16,885 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2018-11-23 03:27:16,885 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2018-11-23 03:27:16,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:27:16 BoogieIcfgContainer [2018-11-23 03:27:16,895 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:27:16,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:27:16,896 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:27:16,896 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:27:16,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:27:05" (3/4) ... [2018-11-23 03:27:16,899 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:27:16,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:27:16,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:27:16,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:27:16,904 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:27:16,905 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:27:16,906 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:27:16,912 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 03:27:16,913 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:27:16,913 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:27:16,913 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:27:16,913 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:27:16,914 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:27:16,914 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:27:16,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) [2018-11-23 03:27:16,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:27:16,970 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_52d5bfb4-7be8-4ca3-89e0-6f1585146ef2/bin-2019/utaipan/witness.graphml [2018-11-23 03:27:16,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:27:16,971 INFO L168 Benchmark]: Toolchain (without parser) took 12771.34 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 573.6 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -159.6 MB). Peak memory consumption was 413.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:27:16,972 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:27:16,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-23 03:27:16,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:27:16,972 INFO L168 Benchmark]: Boogie Preprocessor took 29.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:27:16,972 INFO L168 Benchmark]: RCFGBuilder took 503.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. [2018-11-23 03:27:16,972 INFO L168 Benchmark]: TraceAbstraction took 11760.37 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -53.3 MB). Peak memory consumption was 718.5 MB. Max. memory is 11.5 GB. [2018-11-23 03:27:16,973 INFO L168 Benchmark]: Witness Printer took 74.86 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:27:16,974 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -178.0 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.76 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 503.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.3 MB). Peak memory consumption was 53.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11760.37 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -53.3 MB). Peak memory consumption was 718.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.86 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 140 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2006 SDtfs, 873 SDslu, 8615 SDs, 0 SdLazy, 1889 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 524 GetRequests, 406 SyntacticMatches, 6 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1003occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9966324353749211 AbsIntWeakeningRatio, 1.1789473684210525 AbsIntAvgWeakeningVarsNumRemoved, 80.48421052631579 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 73 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1821 PreInvPairs, 1962 NumberOfFragments, 1787 HoareAnnotationTreeSize, 1821 FomulaSimplifications, 2119 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9970 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1372 ConstructedInterpolants, 0 QuantifiedInterpolants, 216881 SizeOfPredicates, 3 NumberOfNonLiveVariables, 876 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 150/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...