./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:58:55,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:58:55,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:58:55,767 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:58:55,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:58:55,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:58:55,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:58:55,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:58:55,770 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:58:55,770 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:58:55,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:58:55,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:58:55,771 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:58:55,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:58:55,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:58:55,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:58:55,773 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:58:55,774 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:58:55,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:58:55,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:58:55,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:58:55,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:58:55,779 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:58:55,779 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:58:55,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:58:55,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:58:55,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:58:55,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:58:55,781 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:58:55,781 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:58:55,781 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:58:55,782 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:58:55,782 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:58:55,782 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:58:55,783 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:58:55,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:58:55,783 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:58:55,791 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:58:55,791 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:58:55,791 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:58:55,791 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:58:55,791 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:58:55,792 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:58:55,792 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:58:55,793 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:58:55,793 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:58:55,794 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:58:55,794 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:58:55,794 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:58:55,795 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:58:55,795 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:58:55,795 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_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-12-03 05:58:55,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:58:55,819 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:58:55,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:58:55,822 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:58:55,822 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:58:55,822 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-03 05:58:55,857 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/data/3c376c9d7/1fb61691de7c43ce99a4f97432f3489e/FLAG6dec9f997 [2018-12-03 05:58:56,330 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:58:56,330 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-03 05:58:56,336 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/data/3c376c9d7/1fb61691de7c43ce99a4f97432f3489e/FLAG6dec9f997 [2018-12-03 05:58:56,344 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/data/3c376c9d7/1fb61691de7c43ce99a4f97432f3489e [2018-12-03 05:58:56,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:58:56,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:58:56,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:58:56,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:58:56,349 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:58:56,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56, skipping insertion in model container [2018-12-03 05:58:56,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:58:56,376 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:58:56,522 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:58:56,529 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:58:56,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:58:56,619 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:58:56,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56 WrapperNode [2018-12-03 05:58:56,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:58:56,620 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:58:56,620 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:58:56,620 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:58:56,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:58:56,640 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:58:56,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:58:56,640 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:58:56,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... [2018-12-03 05:58:56,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:58:56,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:58:56,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:58:56,661 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:58:56,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:58:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 05:58:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 05:58:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:58:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:58:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 05:58:56,694 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 05:58:56,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 05:58:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 05:58:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 05:58:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 05:58:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 05:58:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 05:58:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 05:58:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 05:58:56,695 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 05:58:56,695 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 05:58:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 05:58:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 05:58:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 05:58:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 05:58:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 05:58:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 05:58:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 05:58:56,696 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 05:58:56,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 05:58:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 05:58:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 05:58:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 05:58:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 05:58:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 05:58:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 05:58:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 05:58:56,697 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 05:58:56,697 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 05:58:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 05:58:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 05:58:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 05:58:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 05:58:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 05:58:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 05:58:56,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 05:58:56,698 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 05:58:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 05:58:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 05:58:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 05:58:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 05:58:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 05:58:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-03 05:58:56,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-03 05:58:56,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 05:58:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:58:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:58:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 05:58:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 05:58:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 05:58:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 05:58:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:58:56,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:58:56,700 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-03 05:58:56,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-03 05:58:57,015 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:58:57,016 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 05:58:57,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:58:57 BoogieIcfgContainer [2018-12-03 05:58:57,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:58:57,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:58:57,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:58:57,018 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:58:57,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:58:56" (1/3) ... [2018-12-03 05:58:57,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17583e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:58:57, skipping insertion in model container [2018-12-03 05:58:57,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:58:56" (2/3) ... [2018-12-03 05:58:57,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17583e14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:58:57, skipping insertion in model container [2018-12-03 05:58:57,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:58:57" (3/3) ... [2018-12-03 05:58:57,020 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-03 05:58:57,026 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:58:57,031 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:58:57,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:58:57,059 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:58:57,059 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:58:57,059 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:58:57,059 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:58:57,059 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:58:57,059 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:58:57,060 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:58:57,060 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:58:57,071 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-03 05:58:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 05:58:57,076 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:57,077 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:58:57,078 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:57,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:57,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1039050909, now seen corresponding path program 1 times [2018-12-03 05:58:57,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:57,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:57,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:58:57,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:57,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 05:58:57,225 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:57,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 05:58:57,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 05:58:57,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:58:57,237 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-03 05:58:57,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:57,260 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2018-12-03 05:58:57,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 05:58:57,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 05:58:57,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:57,268 INFO L225 Difference]: With dead ends: 280 [2018-12-03 05:58:57,268 INFO L226 Difference]: Without dead ends: 140 [2018-12-03 05:58:57,270 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:58:57,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-03 05:58:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-03 05:58:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-03 05:58:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2018-12-03 05:58:57,301 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2018-12-03 05:58:57,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:57,301 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2018-12-03 05:58:57,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 05:58:57,301 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2018-12-03 05:58:57,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 05:58:57,303 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:57,303 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:58:57,303 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:57,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:57,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1886519307, now seen corresponding path program 1 times [2018-12-03 05:58:57,304 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:57,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:57,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,304 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:57,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:58:57,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:57,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:58:57,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:57,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:58:57,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:58:57,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:58:57,357 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2018-12-03 05:58:57,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:57,370 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-12-03 05:58:57,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:58:57,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 05:58:57,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:57,372 INFO L225 Difference]: With dead ends: 219 [2018-12-03 05:58:57,372 INFO L226 Difference]: Without dead ends: 131 [2018-12-03 05:58:57,373 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:58:57,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-03 05:58:57,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-03 05:58:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-03 05:58:57,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-12-03 05:58:57,381 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2018-12-03 05:58:57,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:57,381 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-12-03 05:58:57,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:58:57,381 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-12-03 05:58:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 05:58:57,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:57,382 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] [2018-12-03 05:58:57,382 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:57,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:57,382 INFO L82 PathProgramCache]: Analyzing trace with hash -443527011, now seen corresponding path program 1 times [2018-12-03 05:58:57,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:57,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:57,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,383 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:57,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:58:57,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:57,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:58:57,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:57,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:58:57,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:58:57,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:58:57,467 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2018-12-03 05:58:57,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:57,736 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2018-12-03 05:58:57,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:58:57,736 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-03 05:58:57,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:57,738 INFO L225 Difference]: With dead ends: 395 [2018-12-03 05:58:57,738 INFO L226 Difference]: Without dead ends: 288 [2018-12-03 05:58:57,739 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:58:57,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-12-03 05:58:57,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2018-12-03 05:58:57,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-12-03 05:58:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2018-12-03 05:58:57,760 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2018-12-03 05:58:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:57,760 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2018-12-03 05:58:57,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:58:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2018-12-03 05:58:57,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 05:58:57,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:57,762 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:58:57,762 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:57,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:57,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1392303490, now seen corresponding path program 1 times [2018-12-03 05:58:57,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:57,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:57,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:57,764 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:57,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:58:57,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:57,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:58:57,827 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:57,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:58:57,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:58:57,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:58:57,828 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2018-12-03 05:58:57,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:57,988 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2018-12-03 05:58:57,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:58:57,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-03 05:58:57,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:57,992 INFO L225 Difference]: With dead ends: 765 [2018-12-03 05:58:57,992 INFO L226 Difference]: Without dead ends: 513 [2018-12-03 05:58:57,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:58:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-12-03 05:58:58,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2018-12-03 05:58:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-03 05:58:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2018-12-03 05:58:58,030 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2018-12-03 05:58:58,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:58,031 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2018-12-03 05:58:58,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:58:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2018-12-03 05:58:58,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-03 05:58:58,034 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:58,034 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:58:58,034 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:58,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:58,035 INFO L82 PathProgramCache]: Analyzing trace with hash 85735846, now seen corresponding path program 1 times [2018-12-03 05:58:58,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:58,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:58,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:58,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:58,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:58:58,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:58,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:58:58,101 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:58,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:58:58,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:58:58,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:58:58,102 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2018-12-03 05:58:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:58,517 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2018-12-03 05:58:58,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 05:58:58,518 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-03 05:58:58,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:58,522 INFO L225 Difference]: With dead ends: 1346 [2018-12-03 05:58:58,522 INFO L226 Difference]: Without dead ends: 863 [2018-12-03 05:58:58,523 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 05:58:58,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-03 05:58:58,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2018-12-03 05:58:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-12-03 05:58:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2018-12-03 05:58:58,574 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2018-12-03 05:58:58,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:58,575 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2018-12-03 05:58:58,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:58:58,575 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2018-12-03 05:58:58,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-03 05:58:58,577 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:58,577 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] [2018-12-03 05:58:58,578 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:58,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:58,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1206568851, now seen corresponding path program 1 times [2018-12-03 05:58:58,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:58,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:58,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:58,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:58,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:58,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 05:58:58,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:58,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:58:58,642 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:58,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:58:58,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:58:58,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:58:58,643 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2018-12-03 05:58:58,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:58,836 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2018-12-03 05:58:58,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:58:58,837 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-03 05:58:58,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:58,843 INFO L225 Difference]: With dead ends: 2836 [2018-12-03 05:58:58,843 INFO L226 Difference]: Without dead ends: 2095 [2018-12-03 05:58:58,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:58:58,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-03 05:58:58,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2018-12-03 05:58:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2018-12-03 05:58:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2018-12-03 05:58:58,906 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2018-12-03 05:58:58,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:58,906 INFO L480 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2018-12-03 05:58:58,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:58:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2018-12-03 05:58:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-03 05:58:58,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:58,909 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] [2018-12-03 05:58:58,909 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:58,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:58,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1198809492, now seen corresponding path program 1 times [2018-12-03 05:58:58,909 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:58,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:58,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:58,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:58,910 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 05:58:58,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:58,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:58:58,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:58,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:58:58,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:58:58,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:58:58,959 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2018-12-03 05:58:59,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:59,058 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2018-12-03 05:58:59,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 05:58:59,058 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-03 05:58:59,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:59,067 INFO L225 Difference]: With dead ends: 4158 [2018-12-03 05:58:59,068 INFO L226 Difference]: Without dead ends: 2133 [2018-12-03 05:58:59,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:58:59,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2018-12-03 05:58:59,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2018-12-03 05:58:59,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-12-03 05:58:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2018-12-03 05:58:59,146 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2018-12-03 05:58:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:59,146 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2018-12-03 05:58:59,146 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:58:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2018-12-03 05:58:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-03 05:58:59,148 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:59,149 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] [2018-12-03 05:58:59,149 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:59,149 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:59,149 INFO L82 PathProgramCache]: Analyzing trace with hash -305323154, now seen corresponding path program 1 times [2018-12-03 05:58:59,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:59,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:59,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:59,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:59,150 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:59,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 05:58:59,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:58:59,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 05:58:59,210 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:58:59,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:58:59,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:58:59,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:58:59,211 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2018-12-03 05:58:59,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:58:59,290 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2018-12-03 05:58:59,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:58:59,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-03 05:58:59,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:58:59,298 INFO L225 Difference]: With dead ends: 3832 [2018-12-03 05:58:59,298 INFO L226 Difference]: Without dead ends: 1747 [2018-12-03 05:58:59,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:58:59,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2018-12-03 05:58:59,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2018-12-03 05:58:59,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2018-12-03 05:58:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2018-12-03 05:58:59,381 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2018-12-03 05:58:59,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:58:59,381 INFO L480 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2018-12-03 05:58:59,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:58:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2018-12-03 05:58:59,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-03 05:58:59,385 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:58:59,385 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:58:59,385 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:58:59,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:59,385 INFO L82 PathProgramCache]: Analyzing trace with hash 692991765, now seen corresponding path program 1 times [2018-12-03 05:58:59,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:58:59,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:59,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:59,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:58:59,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:58:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:58:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 05:58:59,496 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:58:59,496 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:58:59,497 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-03 05:58:59,498 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [92], [96], [100], [103], [108], [111], [116], [122], [128], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [174], [178], [211], [212], [220], [228], [232], [233], [236], [238], [241], [243], [246], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [275], [277], [278], [285], [286], [287], [288], [289], [290], [295], [299], [300], [301], [302], [303], [304], [307], [308], [309], [315], [316], [317], [319], [320], [321], [322], [323] [2018-12-03 05:58:59,555 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:58:59,556 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:58:59,928 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:58:59,929 INFO L272 AbstractInterpreter]: Visited 101 different actions 103 times. Never merged. Never widened. Performed 3248 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3248 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-03 05:58:59,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:58:59,934 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:58:59,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:58:59,935 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:58:59,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:58:59,944 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:59:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:59:00,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:59:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:59:00,159 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:59:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 05:59:00,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 05:59:00,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 05:59:00,636 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:59:00,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:59:00,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:59:00,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:59:00,637 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 8 states. [2018-12-03 05:59:00,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:59:00,849 INFO L93 Difference]: Finished difference Result 3444 states and 4258 transitions. [2018-12-03 05:59:00,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:59:00,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-03 05:59:00,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:59:00,854 INFO L225 Difference]: With dead ends: 3444 [2018-12-03 05:59:00,854 INFO L226 Difference]: Without dead ends: 1721 [2018-12-03 05:59:00,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:59:00,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2018-12-03 05:59:00,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2018-12-03 05:59:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2018-12-03 05:59:00,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2075 transitions. [2018-12-03 05:59:00,915 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2075 transitions. Word has length 103 [2018-12-03 05:59:00,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:59:00,915 INFO L480 AbstractCegarLoop]: Abstraction has 1721 states and 2075 transitions. [2018-12-03 05:59:00,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:59:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2075 transitions. [2018-12-03 05:59:00,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 05:59:00,919 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:59:00,920 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:59:00,920 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:59:00,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:59:00,920 INFO L82 PathProgramCache]: Analyzing trace with hash -2090589296, now seen corresponding path program 1 times [2018-12-03 05:59:00,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:59:00,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:59:00,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:59:00,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:59:00,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:59:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:59:01,056 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 05:59:01,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:59:01,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:59:01,057 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-03 05:59:01,057 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [92], [96], [100], [103], [106], [108], [111], [114], [116], [122], [128], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [171], [174], [178], [184], [211], [212], [215], [219], [220], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [271], [272], [275], [277], [278], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [295], [296], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [317], [319], [320], [321], [322], [323] [2018-12-03 05:59:01,061 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:59:01,061 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:59:02,547 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:59:02,547 INFO L272 AbstractInterpreter]: Visited 124 different actions 921 times. Merged at 18 different actions 82 times. Never widened. Performed 39163 root evaluator evaluations with a maximum evaluation depth of 3. Performed 39163 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 6 different actions. Largest state had 133 variables. [2018-12-03 05:59:02,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:59:02,549 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:59:02,549 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:59:02,549 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:59:02,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:59:02,555 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:59:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:59:02,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:59:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 05:59:02,720 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:59:02,978 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 05:59:02,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 05:59:02,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 05:59:02,993 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:59:02,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:59:02,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:59:02,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:59:02,994 INFO L87 Difference]: Start difference. First operand 1721 states and 2075 transitions. Second operand 8 states. [2018-12-03 05:59:03,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:59:03,155 INFO L93 Difference]: Finished difference Result 2939 states and 3601 transitions. [2018-12-03 05:59:03,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:59:03,156 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-12-03 05:59:03,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:59:03,156 INFO L225 Difference]: With dead ends: 2939 [2018-12-03 05:59:03,157 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:59:03,162 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:59:03,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:59:03,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:59:03,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:59:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:59:03,163 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-03 05:59:03,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:59:03,163 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:59:03,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:59:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:59:03,163 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:59:03,167 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:59:03,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:03,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:59:04,560 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2018-12-03 05:59:05,308 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-12-03 05:59:05,340 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-12-03 05:59:05,340 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-12-03 05:59:05,341 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-12-03 05:59:05,341 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-12-03 05:59:05,341 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-12-03 05:59:05,341 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,341 INFO L444 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,341 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,341 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-12-03 05:59:05,341 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-12-03 05:59:05,341 INFO L444 ceAbstractionStarter]: At program point L231(line 231) 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)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:59:05,342 INFO L444 ceAbstractionStarter]: At program point L231-1(line 231) 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)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:59:05,342 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-12-03 05:59:05,342 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-12-03 05:59:05,342 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-12-03 05:59:05,342 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,342 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2))) [2018-12-03 05:59:05,342 INFO L448 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-12-03 05:59:05,342 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-12-03 05:59:05,342 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-12-03 05:59:05,342 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-12-03 05:59:05,342 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse6) (or .cse3 .cse4) (or .cse6 .cse5 .cse4))) [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (not (= ~systemActive~0 0)) .cse5)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse5) (or .cse1 .cse2 .cse4) (or .cse0 .cse6 .cse7) (or .cse0 .cse5 .cse3) (or .cse7 .cse6 .cse4)))) [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-12-03 05:59:05,343 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-12-03 05:59:05,343 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-12-03 05:59:05,344 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-12-03 05:59:05,344 INFO L451 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-12-03 05:59:05,344 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-12-03 05:59:05,345 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-12-03 05:59:05,345 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-12-03 05:59:05,345 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) .cse1))) [2018-12-03 05:59:05,345 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-12-03 05:59:05,345 INFO L444 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-12-03 05:59:05,345 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4) .cse3 .cse1))) [2018-12-03 05:59:05,345 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-12-03 05:59:05,345 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 .cse4))) [2018-12-03 05:59:05,345 INFO L448 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-12-03 05:59:05,345 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-12-03 05:59:05,345 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,346 INFO L444 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:59:05,346 INFO L444 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-12-03 05:59:05,346 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-03 05:59:05,347 INFO L444 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:59:05,347 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-12-03 05:59:05,347 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-03 05:59:05,347 INFO L444 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:59:05,347 INFO L448 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-12-03 05:59:05,347 INFO L444 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:59:05,347 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-12-03 05:59:05,347 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:59:05,347 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-12-03 05:59:05,347 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-12-03 05:59:05,347 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-12-03 05:59:05,348 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-12-03 05:59:05,349 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-12-03 05:59:05,349 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (< |old(~methaneLevelCritical~0)| 1) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-03 05:59:05,349 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-03 05:59:05,349 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (= 1 ~waterLevel~0)) (.cse5 (not .cse1)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse9 (and (not .cse7) .cse6)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse4 .cse3 .cse5 .cse8) (or .cse0 .cse7 .cse6) (or .cse1 .cse3 .cse2 .cse8) (or .cse9 .cse0 .cse3) (or .cse9 .cse3 .cse8)))) [2018-12-03 05:59:05,349 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse7)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse4) (or .cse7 (and .cse8 .cse4) .cse1 .cse6) (or .cse0 .cse1 .cse4) (or .cse0 .cse7 .cse1 .cse8) (or .cse1 .cse3 .cse6 (and .cse2 .cse4)) (or .cse7 .cse8 .cse5 .cse6) (or .cse0 .cse7 .cse5 .cse8)))) [2018-12-03 05:59:05,350 INFO L444 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1))) (.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse9)) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse6) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse6) (or .cse1 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse8) (or .cse0 .cse9 .cse1 .cse10) (or .cse9 .cse10 .cse1 .cse4) (or .cse8 .cse6 .cse7 .cse4 .cse5)))) [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4) (or .cse3 .cse1 .cse0) (or .cse4 .cse2))) [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-12-03 05:59:05,350 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-12-03 05:59:05,350 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-12-03 05:59:05,350 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-12-03 05:59:05,350 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-03 05:59:05,351 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-03 05:59:05,351 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse1))) [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-12-03 05:59:05,352 INFO L444 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (< ~methaneLevelCritical~0 1) .cse1))) [2018-12-03 05:59:05,352 INFO L448 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-12-03 05:59:05,353 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-03 05:59:05,353 INFO L448 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-12-03 05:59:05,353 INFO L448 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-12-03 05:59:05,353 INFO L448 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-12-03 05:59:05,353 INFO L451 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-12-03 05:59:05,353 INFO L448 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-12-03 05:59:05,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:59:05 BoogieIcfgContainer [2018-12-03 05:59:05,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:59:05,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:59:05,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:59:05,363 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:59:05,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:58:57" (3/4) ... [2018-12-03 05:59:05,366 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 05:59:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 05:59:05,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-03 05:59:05,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-03 05:59:05,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 05:59:05,375 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-03 05:59:05,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 05:59:05,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 05:59:05,376 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 05:59:05,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:59:05,392 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:59:05,415 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4ed1a82d-5acc-42b5-8c35-1b94cc209dde/bin-2019/utaipan/witness.graphml [2018-12-03 05:59:05,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:59:05,415 INFO L168 Benchmark]: Toolchain (without parser) took 9069.22 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 667.9 MB). Free memory was 952.4 MB in the beginning and 1.0 GB in the end (delta: -65.9 MB). Peak memory consumption was 602.1 MB. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: Boogie Preprocessor took 20.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: RCFGBuilder took 355.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: TraceAbstraction took 8346.15 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 553.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.5 MB). Peak memory consumption was 601.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:59:05,416 INFO L168 Benchmark]: Witness Printer took 51.91 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2018-12-03 05:59:05,417 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 355.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8346.15 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 553.6 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -1.5 MB). Peak memory consumption was 601.4 MB. Max. memory is 11.5 GB. * Witness Printer took 51.91 ms. Allocated memory is still 1.7 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 8.3s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 1945 SDtfs, 981 SDslu, 4640 SDs, 0 SdLazy, 1441 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 517 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4398 PreInvPairs, 4655 NumberOfFragments, 1810 HoareAnnotationTreeSize, 4398 FomulaSimplifications, 4311 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14133 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1320 ConstructedInterpolants, 0 QuantifiedInterpolants, 225382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 157/165 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...