./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:42:11,957 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:42:11,958 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:42:11,965 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:42:11,965 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:42:11,966 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:42:11,967 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:42:11,968 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:42:11,969 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:42:11,969 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:42:11,970 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:42:11,970 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:42:11,971 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:42:11,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:42:11,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:42:11,973 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:42:11,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:42:11,975 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:42:11,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:42:11,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:42:11,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:42:11,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:42:11,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:42:11,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:42:11,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:42:11,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:42:11,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:42:11,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:42:11,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:42:11,985 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:42:11,985 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:42:11,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:42:11,985 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:42:11,986 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:42:11,986 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:42:11,987 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:42:11,988 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:42:11,996 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:42:11,996 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:42:11,996 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:42:11,996 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:42:11,997 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:42:11,997 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:42:11,997 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:42:11,997 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:42:11,997 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:42:11,997 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:42:11,997 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:42:11,998 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:42:11,998 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:42:11,998 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:42:11,998 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:42:11,998 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:42:11,999 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:42:12,000 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:42:12,000 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:42:12,000 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:42:12,000 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:42:12,000 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:42:12,000 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:42:12,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:42:12,001 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:42:12,001 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:42:12,001 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:42:12,001 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:42:12,001 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:42:12,001 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:42:12,001 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:42:12,001 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_f41dc30e-f376-415b-a50e-128ada7d54fb/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-11-18 17:42:12,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:42:12,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:42:12,036 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:42:12,037 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:42:12,037 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:42:12,038 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-18 17:42:12,080 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/data/1b19c9ee3/7008da6774944b878416cc2dbd4c8af0/FLAGb04e38158 [2018-11-18 17:42:12,401 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:42:12,401 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-18 17:42:12,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/data/1b19c9ee3/7008da6774944b878416cc2dbd4c8af0/FLAGb04e38158 [2018-11-18 17:42:12,417 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/data/1b19c9ee3/7008da6774944b878416cc2dbd4c8af0 [2018-11-18 17:42:12,419 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:42:12,420 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:42:12,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:42:12,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:42:12,422 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:42:12,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12, skipping insertion in model container [2018-11-18 17:42:12,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:42:12,461 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:42:12,643 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:42:12,651 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:42:12,745 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:42:12,764 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:42:12,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12 WrapperNode [2018-11-18 17:42:12,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:42:12,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:42:12,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:42:12,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:42:12,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:42:12,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:42:12,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:42:12,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:42:12,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... [2018-11-18 17:42:12,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:42:12,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:42:12,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:42:12,828 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:42:12,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:42:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:42:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:42:12,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:42:12,872 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:42:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 17:42:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 17:42:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:42:12,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:42:12,873 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:42:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:42:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:42:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:42:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:42:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:42:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:42:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:42:12,874 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:42:12,874 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:42:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:42:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 17:42:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 17:42:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 17:42:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 17:42:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 17:42:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 17:42:12,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:42:12,875 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:42:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:42:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:42:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:42:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:42:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:42:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:42:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:42:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:42:12,876 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:42:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:42:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:42:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:42:12,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:42:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:42:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:42:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:42:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:42:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:42:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:42:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:42:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:42:12,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:42:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:42:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:42:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:42:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:42:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:42:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:42:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:42:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:42:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:42:12,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:42:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:42:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:42:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:42:12,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:42:13,345 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:42:13,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:42:13 BoogieIcfgContainer [2018-11-18 17:42:13,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:42:13,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:42:13,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:42:13,348 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:42:13,348 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:42:12" (1/3) ... [2018-11-18 17:42:13,348 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e34bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:42:13, skipping insertion in model container [2018-11-18 17:42:13,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:12" (2/3) ... [2018-11-18 17:42:13,349 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e34bfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:42:13, skipping insertion in model container [2018-11-18 17:42:13,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:42:13" (3/3) ... [2018-11-18 17:42:13,350 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-11-18 17:42:13,356 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:42:13,362 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:42:13,372 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:42:13,394 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:42:13,395 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:42:13,395 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:42:13,395 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:42:13,395 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:42:13,395 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:42:13,395 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:42:13,395 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:42:13,410 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-18 17:42:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 17:42:13,416 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:13,417 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:13,419 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:13,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:13,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1185241487, now seen corresponding path program 1 times [2018-11-18 17:42:13,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:13,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:13,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:13,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:13,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:13,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:13,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:13,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:42:13,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:13,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:42:13,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:42:13,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:42:13,632 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-18 17:42:13,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:13,663 INFO L93 Difference]: Finished difference Result 310 states and 387 transitions. [2018-11-18 17:42:13,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:42:13,664 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 17:42:13,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:13,673 INFO L225 Difference]: With dead ends: 310 [2018-11-18 17:42:13,673 INFO L226 Difference]: Without dead ends: 157 [2018-11-18 17:42:13,676 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:42:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-18 17:42:13,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-18 17:42:13,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 17:42:13,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 187 transitions. [2018-11-18 17:42:13,715 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 187 transitions. Word has length 51 [2018-11-18 17:42:13,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:13,716 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 187 transitions. [2018-11-18 17:42:13,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:42:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 187 transitions. [2018-11-18 17:42:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:42:13,718 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:13,719 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:13,719 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:13,719 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:13,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1378107689, now seen corresponding path program 1 times [2018-11-18 17:42:13,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:13,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:13,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:13,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:13,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:13,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:13,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:42:13,806 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:13,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:42:13,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:42:13,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:42:13,808 INFO L87 Difference]: Start difference. First operand 157 states and 187 transitions. Second operand 3 states. [2018-11-18 17:42:13,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:13,831 INFO L93 Difference]: Finished difference Result 257 states and 307 transitions. [2018-11-18 17:42:13,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:42:13,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 17:42:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:13,833 INFO L225 Difference]: With dead ends: 257 [2018-11-18 17:42:13,833 INFO L226 Difference]: Without dead ends: 147 [2018-11-18 17:42:13,835 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:42:13,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-18 17:42:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-18 17:42:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 17:42:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-11-18 17:42:13,847 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 53 [2018-11-18 17:42:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:13,848 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-11-18 17:42:13,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:42:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-11-18 17:42:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 17:42:13,849 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:13,850 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:13,850 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:13,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:13,850 INFO L82 PathProgramCache]: Analyzing trace with hash -734091687, now seen corresponding path program 1 times [2018-11-18 17:42:13,850 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:13,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:13,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:13,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:13,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:13,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:13,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:42:13,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:13,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:42:13,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:42:13,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:13,965 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 7 states. [2018-11-18 17:42:14,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:14,224 INFO L93 Difference]: Finished difference Result 266 states and 321 transitions. [2018-11-18 17:42:14,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:42:14,224 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 17:42:14,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:14,226 INFO L225 Difference]: With dead ends: 266 [2018-11-18 17:42:14,226 INFO L226 Difference]: Without dead ends: 147 [2018-11-18 17:42:14,227 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:42:14,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-18 17:42:14,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-18 17:42:14,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 17:42:14,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 173 transitions. [2018-11-18 17:42:14,239 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 173 transitions. Word has length 57 [2018-11-18 17:42:14,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:14,239 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 173 transitions. [2018-11-18 17:42:14,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:42:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 173 transitions. [2018-11-18 17:42:14,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 17:42:14,242 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:14,242 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:14,242 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:14,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1663360248, now seen corresponding path program 1 times [2018-11-18 17:42:14,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:14,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:14,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:14,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:14,244 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:14,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:14,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:14,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:42:14,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:14,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:42:14,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:42:14,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:42:14,331 INFO L87 Difference]: Start difference. First operand 147 states and 173 transitions. Second operand 5 states. [2018-11-18 17:42:14,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:14,684 INFO L93 Difference]: Finished difference Result 379 states and 462 transitions. [2018-11-18 17:42:14,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:42:14,686 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-18 17:42:14,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:14,688 INFO L225 Difference]: With dead ends: 379 [2018-11-18 17:42:14,688 INFO L226 Difference]: Without dead ends: 260 [2018-11-18 17:42:14,689 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:42:14,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-11-18 17:42:14,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 241. [2018-11-18 17:42:14,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-11-18 17:42:14,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 276 transitions. [2018-11-18 17:42:14,713 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 276 transitions. Word has length 75 [2018-11-18 17:42:14,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:14,713 INFO L480 AbstractCegarLoop]: Abstraction has 241 states and 276 transitions. [2018-11-18 17:42:14,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:42:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 276 transitions. [2018-11-18 17:42:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 17:42:14,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:14,715 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:14,716 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:14,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:14,716 INFO L82 PathProgramCache]: Analyzing trace with hash -516025321, now seen corresponding path program 1 times [2018-11-18 17:42:14,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:14,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:14,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:14,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:14,718 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:14,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:14,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:14,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:42:14,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:14,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:42:14,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:42:14,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:42:14,799 INFO L87 Difference]: Start difference. First operand 241 states and 276 transitions. Second operand 6 states. [2018-11-18 17:42:14,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:14,964 INFO L93 Difference]: Finished difference Result 649 states and 764 transitions. [2018-11-18 17:42:14,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:42:14,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 17:42:14,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:14,967 INFO L225 Difference]: With dead ends: 649 [2018-11-18 17:42:14,967 INFO L226 Difference]: Without dead ends: 436 [2018-11-18 17:42:14,968 INFO L604 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 [2018-11-18 17:42:14,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-11-18 17:42:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 430. [2018-11-18 17:42:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2018-11-18 17:42:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 492 transitions. [2018-11-18 17:42:14,993 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 492 transitions. Word has length 89 [2018-11-18 17:42:14,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:14,993 INFO L480 AbstractCegarLoop]: Abstraction has 430 states and 492 transitions. [2018-11-18 17:42:14,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:42:14,994 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 492 transitions. [2018-11-18 17:42:14,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 17:42:14,995 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:14,995 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:14,995 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:14,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:14,996 INFO L82 PathProgramCache]: Analyzing trace with hash -506757357, now seen corresponding path program 1 times [2018-11-18 17:42:14,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:14,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:14,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:14,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:14,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:15,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:15,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:15,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:42:15,073 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:15,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:42:15,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:42:15,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:15,074 INFO L87 Difference]: Start difference. First operand 430 states and 492 transitions. Second operand 7 states. [2018-11-18 17:42:15,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:15,511 INFO L93 Difference]: Finished difference Result 863 states and 1010 transitions. [2018-11-18 17:42:15,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:42:15,511 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-18 17:42:15,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:15,513 INFO L225 Difference]: With dead ends: 863 [2018-11-18 17:42:15,514 INFO L226 Difference]: Without dead ends: 461 [2018-11-18 17:42:15,515 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:42:15,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2018-11-18 17:42:15,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 429. [2018-11-18 17:42:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 429 states. [2018-11-18 17:42:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 429 states and 489 transitions. [2018-11-18 17:42:15,541 INFO L78 Accepts]: Start accepts. Automaton has 429 states and 489 transitions. Word has length 93 [2018-11-18 17:42:15,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:15,541 INFO L480 AbstractCegarLoop]: Abstraction has 429 states and 489 transitions. [2018-11-18 17:42:15,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:42:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 489 transitions. [2018-11-18 17:42:15,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:42:15,543 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:15,543 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:15,543 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:15,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:15,544 INFO L82 PathProgramCache]: Analyzing trace with hash 811950646, now seen corresponding path program 1 times [2018-11-18 17:42:15,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:15,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:15,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:15,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:15,545 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:15,618 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:15,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:15,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:42:15,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:15,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:42:15,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:42:15,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:42:15,619 INFO L87 Difference]: Start difference. First operand 429 states and 489 transitions. Second operand 6 states. [2018-11-18 17:42:15,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:15,654 INFO L93 Difference]: Finished difference Result 844 states and 986 transitions. [2018-11-18 17:42:15,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:42:15,655 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-18 17:42:15,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:15,657 INFO L225 Difference]: With dead ends: 844 [2018-11-18 17:42:15,657 INFO L226 Difference]: Without dead ends: 443 [2018-11-18 17:42:15,658 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:15,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-11-18 17:42:15,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 439. [2018-11-18 17:42:15,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-18 17:42:15,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 499 transitions. [2018-11-18 17:42:15,679 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 499 transitions. Word has length 109 [2018-11-18 17:42:15,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:15,680 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 499 transitions. [2018-11-18 17:42:15,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:42:15,680 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 499 transitions. [2018-11-18 17:42:15,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:42:15,681 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:15,681 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:15,682 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:15,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:15,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1543854604, now seen corresponding path program 1 times [2018-11-18 17:42:15,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:15,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:15,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:15,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:15,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:15,752 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:15,753 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:15,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:42:15,753 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:15,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:42:15,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:42:15,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:42:15,754 INFO L87 Difference]: Start difference. First operand 439 states and 499 transitions. Second operand 8 states. [2018-11-18 17:42:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:15,789 INFO L93 Difference]: Finished difference Result 864 states and 1008 transitions. [2018-11-18 17:42:15,790 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:42:15,790 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-18 17:42:15,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:15,792 INFO L225 Difference]: With dead ends: 864 [2018-11-18 17:42:15,793 INFO L226 Difference]: Without dead ends: 453 [2018-11-18 17:42:15,794 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:42:15,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-11-18 17:42:15,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 447. [2018-11-18 17:42:15,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2018-11-18 17:42:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 507 transitions. [2018-11-18 17:42:15,813 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 507 transitions. Word has length 109 [2018-11-18 17:42:15,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:15,814 INFO L480 AbstractCegarLoop]: Abstraction has 447 states and 507 transitions. [2018-11-18 17:42:15,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:42:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 507 transitions. [2018-11-18 17:42:15,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:42:15,815 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:15,815 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:15,815 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:15,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:15,816 INFO L82 PathProgramCache]: Analyzing trace with hash -774684589, now seen corresponding path program 1 times [2018-11-18 17:42:15,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:15,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:15,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:15,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:15,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:15,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:15,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:15,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:42:15,896 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:15,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:42:15,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:42:15,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:42:15,897 INFO L87 Difference]: Start difference. First operand 447 states and 507 transitions. Second operand 4 states. [2018-11-18 17:42:16,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:16,115 INFO L93 Difference]: Finished difference Result 1320 states and 1574 transitions. [2018-11-18 17:42:16,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:42:16,116 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-18 17:42:16,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:16,119 INFO L225 Difference]: With dead ends: 1320 [2018-11-18 17:42:16,120 INFO L226 Difference]: Without dead ends: 901 [2018-11-18 17:42:16,121 INFO L604 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 [2018-11-18 17:42:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2018-11-18 17:42:16,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 886. [2018-11-18 17:42:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-18 17:42:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1035 transitions. [2018-11-18 17:42:16,171 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1035 transitions. Word has length 109 [2018-11-18 17:42:16,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:16,171 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1035 transitions. [2018-11-18 17:42:16,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:42:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1035 transitions. [2018-11-18 17:42:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 17:42:16,174 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:16,175 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:16,175 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:16,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:16,175 INFO L82 PathProgramCache]: Analyzing trace with hash -88905267, now seen corresponding path program 1 times [2018-11-18 17:42:16,175 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:16,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:16,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:16,176 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:16,176 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:42:16,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:16,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:16,299 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-11-18 17:42:16,301 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [90], [96], [100], [104], [107], [112], [115], [120], [123], [138], [139], [142], [144], [147], [149], [152], [155], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [205], [209], [243], [244], [252], [256], [259], [261], [264], [274], [277], [281], [282], [285], [286], [287], [288], [289], [290], [291], [292], [293], [301], [302], [305], [306], [307], [309], [310], [317], [318], [319], [320], [321], [322], [323], [327], [328], [329], [330], [331], [333], [334], [335], [336], [337], [338], [341], [342], [343], [349], [350], [351], [353], [354], [355], [356] [2018-11-18 17:42:16,331 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:16,331 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:16,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:42:16,786 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Performed 2803 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2803 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-18 17:42:16,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:16,796 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:42:17,077 INFO L227 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 96.66% of their original sizes. [2018-11-18 17:42:17,077 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:42:17,205 INFO L415 sIntCurrentIteration]: We unified 112 AI predicates to 112 [2018-11-18 17:42:17,205 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:42:17,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:42:17,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-18 17:42:17,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:17,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 17:42:17,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 17:42:17,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:42:17,206 INFO L87 Difference]: Start difference. First operand 886 states and 1035 transitions. Second operand 19 states. [2018-11-18 17:42:22,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:22,413 INFO L93 Difference]: Finished difference Result 2198 states and 2606 transitions. [2018-11-18 17:42:22,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 17:42:22,413 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 113 [2018-11-18 17:42:22,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:22,419 INFO L225 Difference]: With dead ends: 2198 [2018-11-18 17:42:22,419 INFO L226 Difference]: Without dead ends: 1340 [2018-11-18 17:42:22,421 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-11-18 17:42:22,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2018-11-18 17:42:22,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1338. [2018-11-18 17:42:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1338 states. [2018-11-18 17:42:22,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1542 transitions. [2018-11-18 17:42:22,485 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1542 transitions. Word has length 113 [2018-11-18 17:42:22,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:22,485 INFO L480 AbstractCegarLoop]: Abstraction has 1338 states and 1542 transitions. [2018-11-18 17:42:22,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 17:42:22,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1542 transitions. [2018-11-18 17:42:22,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 17:42:22,490 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:22,490 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:22,490 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:22,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:22,490 INFO L82 PathProgramCache]: Analyzing trace with hash 447245937, now seen corresponding path program 1 times [2018-11-18 17:42:22,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:22,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:22,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:22,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:22,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 17:42:22,567 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:22,567 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:22,567 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-18 17:42:22,568 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [90], [96], [100], [104], [107], [112], [115], [118], [120], [123], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [202], [205], [209], [215], [243], [244], [247], [251], [252], [256], [259], [261], [264], [271], [274], [277], [281], [282], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [327], [328], [329], [330], [331], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [351], [353], [354], [355], [356], [359], [360] [2018-11-18 17:42:22,571 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:22,571 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:23,660 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:42:23,660 INFO L272 AbstractInterpreter]: Visited 147 different actions 573 times. Merged at 17 different actions 38 times. Never widened. Performed 20214 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20214 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 17:42:23,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:23,671 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:42:23,928 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 97.9% of their original sizes. [2018-11-18 17:42:23,928 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:42:24,115 INFO L415 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-11-18 17:42:24,116 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:42:24,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:42:24,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [5] total 23 [2018-11-18 17:42:24,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:24,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 17:42:24,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 17:42:24,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:42:24,117 INFO L87 Difference]: Start difference. First operand 1338 states and 1542 transitions. Second operand 20 states. [2018-11-18 17:42:34,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:34,660 INFO L93 Difference]: Finished difference Result 4249 states and 5182 transitions. [2018-11-18 17:42:34,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 17:42:34,660 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 187 [2018-11-18 17:42:34,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:34,671 INFO L225 Difference]: With dead ends: 4249 [2018-11-18 17:42:34,671 INFO L226 Difference]: Without dead ends: 3226 [2018-11-18 17:42:34,675 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 226 GetRequests, 158 SyntacticMatches, 10 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1064 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=590, Invalid=2950, Unknown=0, NotChecked=0, Total=3540 [2018-11-18 17:42:34,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3226 states. [2018-11-18 17:42:34,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3226 to 2520. [2018-11-18 17:42:34,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2520 states. [2018-11-18 17:42:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 2933 transitions. [2018-11-18 17:42:34,808 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 2933 transitions. Word has length 187 [2018-11-18 17:42:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:34,809 INFO L480 AbstractCegarLoop]: Abstraction has 2520 states and 2933 transitions. [2018-11-18 17:42:34,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 17:42:34,809 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 2933 transitions. [2018-11-18 17:42:34,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-18 17:42:34,816 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:34,816 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:34,816 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:34,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:34,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1461874473, now seen corresponding path program 1 times [2018-11-18 17:42:34,817 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:34,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:34,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:34,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:34,818 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:34,963 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 56 proven. 14 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 17:42:34,963 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:34,963 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:34,964 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-18 17:42:34,965 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [90], [96], [100], [104], [107], [110], [112], [115], [118], [120], [123], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [158], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [202], [205], [209], [215], [243], [244], [247], [251], [252], [256], [259], [261], [264], [271], [274], [277], [281], [282], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [327], [328], [329], [330], [331], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [351], [353], [354], [355], [356], [359], [360] [2018-11-18 17:42:34,968 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:34,968 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:36,935 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:42:36,936 INFO L272 AbstractInterpreter]: Visited 151 different actions 1482 times. Merged at 23 different actions 133 times. Widened at 1 different actions 1 times. Performed 49439 root evaluator evaluations with a maximum evaluation depth of 5. Performed 49439 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 33 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 17:42:36,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:36,940 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:42:36,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:36,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:42:36,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:36,946 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:42:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:37,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:42:37,214 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 17:42:37,214 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:42:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 56 proven. 14 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 17:42:37,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:42:37,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 17:42:37,730 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:37,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:42:37,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:42:37,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:42:37,732 INFO L87 Difference]: Start difference. First operand 2520 states and 2933 transitions. Second operand 8 states. [2018-11-18 17:42:37,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:37,971 INFO L93 Difference]: Finished difference Result 3928 states and 4656 transitions. [2018-11-18 17:42:37,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:42:37,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 260 [2018-11-18 17:42:37,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:37,973 INFO L225 Difference]: With dead ends: 3928 [2018-11-18 17:42:37,973 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:42:37,977 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 533 GetRequests, 504 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:42:37,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:42:37,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:42:37,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:42:37,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:42:37,978 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 260 [2018-11-18 17:42:37,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:37,978 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:42:37,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:42:37,979 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:42:37,979 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:42:37,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:42:38,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:38,863 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-11-18 17:42:39,574 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2018-11-18 17:42:39,696 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 29 [2018-11-18 17:42:39,846 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-11-18 17:42:40,267 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 60 [2018-11-18 17:42:40,436 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-11-18 17:42:40,775 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 31 [2018-11-18 17:42:40,902 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 23 [2018-11-18 17:42:41,754 WARN L180 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 58 [2018-11-18 17:42:42,434 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 32 [2018-11-18 17:42:42,436 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-11-18 17:42:42,436 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-11-18 17:42:42,436 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-11-18 17:42:42,436 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-11-18 17:42:42,436 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-11-18 17:42:42,436 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,436 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-11-18 17:42:42,436 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,436 INFO L421 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,436 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-11-18 17:42:42,437 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-11-18 17:42:42,437 INFO L425 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-11-18 17:42:42,437 INFO L425 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-11-18 17:42:42,437 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,437 INFO L421 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,437 INFO L421 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,437 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 17:42:42,437 INFO L425 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-11-18 17:42:42,438 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 17:42:42,438 INFO L421 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 17:42:42,438 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-11-18 17:42:42,438 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 17:42:42,438 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-11-18 17:42:42,438 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 17:42:42,438 INFO L425 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-18 17:42:42,438 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L428 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-11-18 17:42:42,439 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-11-18 17:42:42,440 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-11-18 17:42:42,440 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-11-18 17:42:42,440 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,440 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-11-18 17:42:42,440 INFO L421 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,440 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-11-18 17:42:42,440 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-11-18 17:42:42,440 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-11-18 17:42:42,440 INFO L428 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-11-18 17:42:42,441 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse1))) [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-11-18 17:42:42,441 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-11-18 17:42:42,441 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-11-18 17:42:42,442 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse3) .cse2) (or .cse2 .cse1 .cse5 .cse4) (or .cse0 .cse2 .cse1 .cse5))) [2018-11-18 17:42:42,442 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-11-18 17:42:42,442 INFO L425 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-11-18 17:42:42,442 INFO L421 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 17:42:42,442 INFO L421 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-18 17:42:42,442 INFO L425 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point L607-1(lines 607 652) no Hoare annotation was computed. [2018-11-18 17:42:42,443 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-11-18 17:42:42,444 INFO L421 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:42:42,444 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-11-18 17:42:42,444 INFO L421 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2) (and .cse4 .cse0 .cse2))) [2018-11-18 17:42:42,444 INFO L425 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-11-18 17:42:42,444 INFO L425 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-11-18 17:42:42,444 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (not (= ~pumpRunning~0 0)) .cse1) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:42:42,444 INFO L425 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-11-18 17:42:42,445 INFO L425 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-11-18 17:42:42,445 INFO L421 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (and (not (= ~pumpRunning~0 0)) .cse1) .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:42:42,445 INFO L421 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (and (not (= ~waterLevel~0 1)) (not .cse2) .cse1 (not (= ~waterLevel~0 0))) .cse3) (and .cse0 .cse3 .cse2 .cse1) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 17:42:42,445 INFO L425 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-18 17:42:42,445 INFO L425 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-11-18 17:42:42,445 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-11-18 17:42:42,445 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse5 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 .cse4))) [2018-11-18 17:42:42,445 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L421 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 (< ~methaneLevelCritical~0 1) (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-18 17:42:42,446 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-18 17:42:42,447 INFO L421 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (= ~waterLevel~0 0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse2 .cse3 .cse5))) [2018-11-18 17:42:42,447 INFO L425 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-18 17:42:42,447 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (= ~waterLevel~0 0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= ~methAndRunningLastTime~0 0))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse3 .cse5) (or .cse7 .cse5 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse2 .cse3 .cse5))) [2018-11-18 17:42:42,447 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-18 17:42:42,447 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) (= ~waterLevel~0 0) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:42:42,447 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 17:42:42,447 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:42:42,448 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:42:42,448 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:42:42,448 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 17:42:42,448 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:42:42,448 INFO L421 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse4 .cse5 .cse2))) [2018-11-18 17:42:42,448 INFO L425 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-18 17:42:42,448 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-11-18 17:42:42,448 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse4 .cse5 .cse2))) [2018-11-18 17:42:42,449 INFO L421 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~waterLevel~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse4 .cse5 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse4 .cse5))) [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-11-18 17:42:42,449 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-11-18 17:42:42,449 INFO L428 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-11-18 17:42:42,449 INFO L425 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-11-18 17:42:42,450 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= 0 ~methaneLevelCritical~0) (or .cse0 .cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse1 (= ~methaneLevelCritical~0 1)) (or .cse2 .cse3 (or .cse0 (= 0 ~pumpRunning~0))) (or .cse3 .cse2 .cse0 .cse1))) [2018-11-18 17:42:42,450 INFO L425 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-11-18 17:42:42,450 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-11-18 17:42:42,451 INFO L421 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse14 (= 0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= |old(~waterLevel~0)| 1))) (let ((.cse9 (= |old(~waterLevel~0)| 0)) (.cse8 (not (= ~waterLevel~0 0))) (.cse7 (not .cse11)) (.cse6 (= 1 ~waterLevel~0)) (.cse13 (not (= ~waterLevel~0 1))) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse12 (and (= ~methAndRunningLastTime~0 0) .cse15)) (.cse16 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse14)) (.cse1 (= ~waterLevel~0 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7 .cse4) (or .cse0 .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse10 .cse11 .cse0 .cse9 .cse2 .cse3 .cse8) (or .cse0 .cse12 .cse2 .cse3 .cse4) (or .cse11 .cse0 .cse13 .cse2 .cse3 .cse4) (or .cse10 (or .cse2 .cse14) .cse15) (or .cse16 .cse0 .cse2 .cse3 .cse7 .cse6) (or .cse10 .cse11 .cse0 .cse13 .cse2 .cse3) (or .cse10 .cse12 .cse2 .cse3) (or .cse16 .cse0 .cse2 .cse1 .cse3 .cse5) (or .cse15 (or .cse2 .cse4 .cse14))))) [2018-11-18 17:42:42,451 INFO L421 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse11 (= 0 |old(~pumpRunning~0)|)) (.cse16 (= |old(~waterLevel~0)| 1)) (.cse17 (not (= ~waterLevel~0 1))) (.cse14 (not (= ~waterLevel~0 0))) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (and .cse12 .cse10)) (.cse15 (= |old(~waterLevel~0)| 0)) (.cse7 (and .cse12 .cse17 (= ~pumpRunning~0 1) .cse14)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not .cse16)) (.cse1 (= 1 ~waterLevel~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse9 (= ~pumpRunning~0 0)) (.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not .cse11)) (.cse2 (not (= ~systemActive~0 1))) (.cse18 (= ~waterLevel~0 2)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse19 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse8 .cse2 .cse3) (or .cse9 .cse10 (or .cse2 .cse5 .cse11)) (or .cse12 (or .cse13 .cse2 .cse3)) (or .cse0 .cse7 .cse8 .cse2 .cse3 .cse5) (or .cse0 .cse14 .cse15 .cse2 .cse3 .cse5) (or .cse6 .cse16 .cse0 .cse15 .cse2 .cse3 .cse14) (or .cse16 .cse0 .cse17 .cse2 .cse3 .cse5) (or .cse13 .cse0 .cse10 .cse2 .cse3) (or .cse0 .cse7 .cse18 .cse2 .cse3 .cse5 .cse19) (or .cse6 .cse16 .cse0 .cse17 .cse2 .cse3) (or .cse13 .cse0 .cse2 .cse3 .cse4 .cse1) (or .cse6 .cse9 (or .cse2 .cse11)) (or .cse13 .cse0 .cse2 .cse18 .cse3 .cse19)))) [2018-11-18 17:42:42,452 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse13 (= 0 |old(~pumpRunning~0)|)) (.cse10 (= |old(~waterLevel~0)| 1)) (.cse11 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~waterLevel~0 0)))) (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse12 (and .cse11 .cse8)) (.cse9 (= |old(~waterLevel~0)| 0)) (.cse6 (not .cse10)) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse17 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not .cse13)) (.cse14 (= ~waterLevel~0 2)) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse16 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse2 .cse3 .cse6 .cse7) (or .cse4 .cse8 .cse9 .cse2 .cse3 .cse7) (or .cse0 .cse10 .cse9 .cse2 .cse3 .cse8) (or .cse10 .cse4 .cse11 .cse2 .cse3 .cse7) (or .cse12 (or .cse10 .cse9 .cse2 .cse7 .cse13)) (or .cse4 .cse14 .cse2 .cse3 .cse7 .cse15) (or .cse0 .cse16 .cse2 .cse3) (or .cse16 .cse0 (or .cse2 .cse13)) (or .cse1 (or .cse2 .cse3 .cse7)) (or .cse12 .cse0 (or .cse10 .cse9 .cse2 .cse13)) (or .cse17 .cse4 .cse2 .cse3 .cse6 .cse5) (or .cse0 .cse10 .cse4 .cse11 .cse2 .cse3) (or .cse17 .cse4 .cse2 .cse14 .cse3 .cse15) (or .cse16 .cse2 .cse3 .cse7) (or .cse16 (or .cse2 .cse7 .cse13))))) [2018-11-18 17:42:42,452 INFO L421 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse0 (not .cse9)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 1)) (.cse8 (= |old(~waterLevel~0)| 0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse2) .cse4) (or .cse6 (or .cse7 .cse8 .cse1 .cse3 .cse9)) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 (or .cse1 .cse9) .cse10) (or .cse5 .cse6 (or .cse7 .cse8 .cse1 .cse9)) (or .cse10 (or .cse1 .cse3 .cse9))))) [2018-11-18 17:42:42,452 INFO L425 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-11-18 17:42:42,452 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-11-18 17:42:42,452 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-11-18 17:42:42,452 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-11-18 17:42:42,452 INFO L425 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-11-18 17:42:42,452 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-11-18 17:42:42,452 INFO L428 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-11-18 17:42:42,453 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 108) no Hoare annotation was computed. [2018-11-18 17:42:42,453 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-11-18 17:42:42,453 INFO L428 ceAbstractionStarter]: At program point L94-3(lines 94 108) the Hoare annotation is: true [2018-11-18 17:42:42,453 INFO L428 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-11-18 17:42:42,453 INFO L425 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-11-18 17:42:42,453 INFO L428 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-11-18 17:42:42,453 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 17:42:42,453 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-11-18 17:42:42,453 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-11-18 17:42:42,453 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-11-18 17:42:42,454 INFO L425 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-11-18 17:42:42,454 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~waterLevel~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (or .cse1 .cse2 (= 0 ~pumpRunning~0))) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2) .cse0))) [2018-11-18 17:42:42,454 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-11-18 17:42:42,454 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-11-18 17:42:42,454 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-11-18 17:42:42,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:42:42,454 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 17:42:42,454 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:42:42,454 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:42:42,454 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 17:42:42,455 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-11-18 17:42:42,455 INFO L421 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 17:42:42,455 INFO L425 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-11-18 17:42:42,455 INFO L421 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1))) [2018-11-18 17:42:42,455 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~waterLevel~0 0))))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4 .cse3))) [2018-11-18 17:42:42,455 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-11-18 17:42:42,455 INFO L421 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 17:42:42,456 INFO L425 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-11-18 17:42:42,456 INFO L425 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-11-18 17:42:42,456 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-11-18 17:42:42,456 INFO L425 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-11-18 17:42:42,456 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse7 .cse1 .cse2 .cse3 .cse8) (or .cse7 (or .cse1 .cse6) .cse2 .cse3 .cse8))) [2018-11-18 17:42:42,456 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-11-18 17:42:42,456 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-11-18 17:42:42,456 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-11-18 17:42:42,457 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-11-18 17:42:42,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:42:42 BoogieIcfgContainer [2018-11-18 17:42:42,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:42:42,469 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:42:42,469 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:42:42,470 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:42:42,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:42:13" (3/4) ... [2018-11-18 17:42:42,473 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:42:42,480 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 17:42:42,481 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:42:42,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:42:42,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:42:42,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:42:42,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:42:42,490 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 17:42:42,490 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:42:42,490 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:42:42,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((!(waterLevel == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 17:42:42,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 17:42:42,550 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f41dc30e-f376-415b-a50e-128ada7d54fb/bin-2019/utaipan/witness.graphml [2018-11-18 17:42:42,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:42:42,551 INFO L168 Benchmark]: Toolchain (without parser) took 30131.41 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 957.6 MB in the beginning and 930.1 MB in the end (delta: 27.5 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 17:42:42,551 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:42:42,551 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:42,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:42,552 INFO L168 Benchmark]: Boogie Preprocessor took 33.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:42:42,552 INFO L168 Benchmark]: RCFGBuilder took 517.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:42,552 INFO L168 Benchmark]: TraceAbstraction took 29123.49 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 968.3 MB in the end (delta: 102.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-11-18 17:42:42,552 INFO L168 Benchmark]: Witness Printer took 80.57 ms. Allocated memory is still 2.9 GB. Free memory was 968.3 MB in the beginning and 930.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:42,554 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 517.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29123.49 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 968.3 MB in the end (delta: 102.1 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 80.57 ms. Allocated memory is still 2.9 GB. Free memory was 968.3 MB in the beginning and 930.1 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((!(waterLevel == 1) && !(pumpRunning == 0)) && splverifierCounter == 0) && !(waterLevel == 0)) && 1 <= methaneLevelCritical)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 170 locations, 1 error locations. SAFE Result, 29.0s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 17.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2963 SDtfs, 3041 SDslu, 11194 SDs, 0 SdLazy, 4597 SolverSat, 1728 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 974 GetRequests, 802 SyntacticMatches, 18 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2520occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.5s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9964852912390002 AbsIntWeakeningRatio, 0.8557046979865772 AbsIntAvgWeakeningVarsNumRemoved, 94.55369127516778 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 790 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 3539 PreInvPairs, 3759 NumberOfFragments, 3419 HoareAnnotationTreeSize, 3539 FomulaSimplifications, 12578 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 34687 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1565 NumberOfCodeBlocks, 1565 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1811 ConstructedInterpolants, 0 QuantifiedInterpolants, 421172 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1052 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 591/627 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...