./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/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 f1df426416c0b8e66bfd1bb2b307ec8233b9df30 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:23:48,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:23:48,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:23:48,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:23:48,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:23:48,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:23:48,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:23:48,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:23:48,441 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:23:48,442 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:23:48,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:23:48,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:23:48,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:23:48,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:23:48,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:23:48,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:23:48,445 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:23:48,446 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:23:48,447 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:23:48,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:23:48,448 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:23:48,449 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:23:48,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:23:48,450 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:23:48,450 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:23:48,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:23:48,451 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:23:48,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:23:48,452 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:23:48,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:23:48,453 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:23:48,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:23:48,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:23:48,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:23:48,454 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:23:48,454 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:23:48,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:23:48,462 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:23:48,462 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:23:48,463 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:23:48,463 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:23:48,463 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:23:48,463 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:23:48,463 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:23:48,463 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:23:48,463 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:23:48,464 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:23:48,464 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:23:48,464 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:23:48,464 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:23:48,464 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:23:48,464 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:23:48,465 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:23:48,466 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:23:48,466 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:23:48,466 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:23:48,466 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:23:48,466 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:23:48,466 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:23:48,466 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:23:48,467 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:23:48,467 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:23:48,467 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:23:48,467 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:23:48,467 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:23:48,467 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:23:48,467 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_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/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 -> f1df426416c0b8e66bfd1bb2b307ec8233b9df30 [2018-12-09 19:23:48,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:23:48,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:23:48,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:23:48,498 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:23:48,499 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:23:48,499 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-09 19:23:48,536 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/data/4508069c9/4635cde6749e479c8939d656cde4a4e5/FLAGa7a025140 [2018-12-09 19:23:48,933 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:23:48,933 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-09 19:23:48,939 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/data/4508069c9/4635cde6749e479c8939d656cde4a4e5/FLAGa7a025140 [2018-12-09 19:23:48,948 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/data/4508069c9/4635cde6749e479c8939d656cde4a4e5 [2018-12-09 19:23:48,949 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:23:48,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:23:48,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:23:48,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:23:48,953 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:23:48,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:23:48" (1/1) ... [2018-12-09 19:23:48,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:48, skipping insertion in model container [2018-12-09 19:23:48,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:23:48" (1/1) ... [2018-12-09 19:23:48,960 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:23:48,981 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:23:49,133 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:23:49,180 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:23:49,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:23:49,238 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:23:49,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49 WrapperNode [2018-12-09 19:23:49,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:23:49,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:23:49,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:23:49,239 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:23:49,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:23:49,259 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:23:49,259 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:23:49,259 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:23:49,265 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... [2018-12-09 19:23:49,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:23:49,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:23:49,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:23:49,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:23:49,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:23:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:23:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:23:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:23:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:23:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:23:49,316 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:23:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:23:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:23:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:23:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:23:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:23:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:23:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:23:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:23:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:23:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:23:49,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:23:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:23:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:23:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:23:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:23:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:23:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:23:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:23:49,318 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:23:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:23:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:23:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:23:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:23:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:23:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:23:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:23:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:23:49,319 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:23:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:23:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:23:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:23:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:23:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:23:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:23:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:23:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:23:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:23:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:23:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:23:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:23:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:23:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:23:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:23:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:23:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:23:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:23:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:23:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:23:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:23:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:23:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:23:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:23:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:23:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:23:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:23:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:23:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:23:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:23:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:23:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:23:49,623 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:23:49,623 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:23:49,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:23:49 BoogieIcfgContainer [2018-12-09 19:23:49,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:23:49,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:23:49,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:23:49,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:23:49,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:23:48" (1/3) ... [2018-12-09 19:23:49,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5464f5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:23:49, skipping insertion in model container [2018-12-09 19:23:49,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:49" (2/3) ... [2018-12-09 19:23:49,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5464f5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:23:49, skipping insertion in model container [2018-12-09 19:23:49,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:23:49" (3/3) ... [2018-12-09 19:23:49,628 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-09 19:23:49,634 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:23:49,638 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:23:49,647 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:23:49,666 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:23:49,666 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:23:49,666 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:23:49,666 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:23:49,666 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:23:49,666 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:23:49,666 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:23:49,666 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:23:49,678 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-12-09 19:23:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:23:49,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:49,684 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:49,685 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:49,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:49,688 INFO L82 PathProgramCache]: Analyzing trace with hash 1935955606, now seen corresponding path program 1 times [2018-12-09 19:23:49,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:49,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:49,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:49,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:49,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:49,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:23:49,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:49,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:23:49,827 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:49,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:23:49,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:23:49,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:23:49,839 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-12-09 19:23:49,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:49,864 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2018-12-09 19:23:49,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:23:49,865 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:23:49,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:49,873 INFO L225 Difference]: With dead ends: 320 [2018-12-09 19:23:49,873 INFO L226 Difference]: Without dead ends: 160 [2018-12-09 19:23:49,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:23:49,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-09 19:23:49,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-09 19:23:49,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-09 19:23:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2018-12-09 19:23:49,908 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 46 [2018-12-09 19:23:49,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:49,908 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2018-12-09 19:23:49,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:23:49,908 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2018-12-09 19:23:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:23:49,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:49,910 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:49,910 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:49,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:49,911 INFO L82 PathProgramCache]: Analyzing trace with hash 699503447, now seen corresponding path program 1 times [2018-12-09 19:23:49,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:49,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:49,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:49,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:49,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:23:49,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:49,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:23:49,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:49,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:23:49,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:23:49,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:23:49,969 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 3 states. [2018-12-09 19:23:49,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:49,989 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-12-09 19:23:49,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:23:49,990 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:23:49,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:49,992 INFO L225 Difference]: With dead ends: 259 [2018-12-09 19:23:49,992 INFO L226 Difference]: Without dead ends: 151 [2018-12-09 19:23:49,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:23:49,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-09 19:23:50,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-09 19:23:50,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-09 19:23:50,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2018-12-09 19:23:50,001 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 47 [2018-12-09 19:23:50,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:50,002 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2018-12-09 19:23:50,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:23:50,002 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2018-12-09 19:23:50,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:23:50,003 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:50,003 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:50,003 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:50,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:50,003 INFO L82 PathProgramCache]: Analyzing trace with hash -707550223, now seen corresponding path program 1 times [2018-12-09 19:23:50,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:50,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:50,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:50,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:50,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:50,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:23:50,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:50,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:23:50,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:50,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:23:50,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:23:50,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:23:50,097 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 7 states. [2018-12-09 19:23:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:50,413 INFO L93 Difference]: Finished difference Result 455 states and 557 transitions. [2018-12-09 19:23:50,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:23:50,414 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 19:23:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:50,416 INFO L225 Difference]: With dead ends: 455 [2018-12-09 19:23:50,417 INFO L226 Difference]: Without dead ends: 328 [2018-12-09 19:23:50,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:23:50,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-12-09 19:23:50,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2018-12-09 19:23:50,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-09 19:23:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 386 transitions. [2018-12-09 19:23:50,448 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 386 transitions. Word has length 52 [2018-12-09 19:23:50,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:50,449 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 386 transitions. [2018-12-09 19:23:50,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:23:50,449 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 386 transitions. [2018-12-09 19:23:50,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:23:50,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:50,451 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:50,451 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:50,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:50,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1758028970, now seen corresponding path program 1 times [2018-12-09 19:23:50,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:50,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:50,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:50,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:50,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:50,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:23:50,526 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:50,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:23:50,526 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:50,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:23:50,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:23:50,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:23:50,527 INFO L87 Difference]: Start difference. First operand 316 states and 386 transitions. Second operand 6 states. [2018-12-09 19:23:50,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:50,669 INFO L93 Difference]: Finished difference Result 885 states and 1106 transitions. [2018-12-09 19:23:50,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:23:50,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 19:23:50,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:50,674 INFO L225 Difference]: With dead ends: 885 [2018-12-09 19:23:50,674 INFO L226 Difference]: Without dead ends: 593 [2018-12-09 19:23:50,676 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:23:50,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-09 19:23:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2018-12-09 19:23:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-12-09 19:23:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 722 transitions. [2018-12-09 19:23:50,722 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 722 transitions. Word has length 57 [2018-12-09 19:23:50,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:50,722 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 722 transitions. [2018-12-09 19:23:50,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:23:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 722 transitions. [2018-12-09 19:23:50,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:23:50,723 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:50,724 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:50,724 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:50,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:50,724 INFO L82 PathProgramCache]: Analyzing trace with hash -25290534, now seen corresponding path program 1 times [2018-12-09 19:23:50,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:50,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:50,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:50,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:50,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:50,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:23:50,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:50,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:23:50,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:50,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:23:50,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:23:50,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:23:50,772 INFO L87 Difference]: Start difference. First operand 587 states and 722 transitions. Second operand 7 states. [2018-12-09 19:23:51,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:51,151 INFO L93 Difference]: Finished difference Result 1538 states and 2007 transitions. [2018-12-09 19:23:51,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 19:23:51,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 19:23:51,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:51,156 INFO L225 Difference]: With dead ends: 1538 [2018-12-09 19:23:51,156 INFO L226 Difference]: Without dead ends: 975 [2018-12-09 19:23:51,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:23:51,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2018-12-09 19:23:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 877. [2018-12-09 19:23:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-12-09 19:23:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1063 transitions. [2018-12-09 19:23:51,199 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1063 transitions. Word has length 61 [2018-12-09 19:23:51,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:51,199 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1063 transitions. [2018-12-09 19:23:51,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:23:51,199 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1063 transitions. [2018-12-09 19:23:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:23:51,201 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:51,202 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:51,202 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:51,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:51,202 INFO L82 PathProgramCache]: Analyzing trace with hash -841415156, now seen corresponding path program 1 times [2018-12-09 19:23:51,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:51,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:51,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:51,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:23:51,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:51,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:23:51,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:51,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:23:51,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:23:51,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:23:51,261 INFO L87 Difference]: Start difference. First operand 877 states and 1063 transitions. Second operand 6 states. [2018-12-09 19:23:51,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:51,299 INFO L93 Difference]: Finished difference Result 1758 states and 2206 transitions. [2018-12-09 19:23:51,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:23:51,300 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-09 19:23:51,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:51,303 INFO L225 Difference]: With dead ends: 1758 [2018-12-09 19:23:51,303 INFO L226 Difference]: Without dead ends: 905 [2018-12-09 19:23:51,304 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:23:51,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2018-12-09 19:23:51,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2018-12-09 19:23:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-12-09 19:23:51,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1083 transitions. [2018-12-09 19:23:51,331 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1083 transitions. Word has length 104 [2018-12-09 19:23:51,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:51,332 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1083 transitions. [2018-12-09 19:23:51,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:23:51,332 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1083 transitions. [2018-12-09 19:23:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:23:51,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:51,334 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:51,334 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:51,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:51,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1194503538, now seen corresponding path program 1 times [2018-12-09 19:23:51,335 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:51,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:51,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,336 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:23:51,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:51,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:23:51,404 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:51,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:23:51,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:23:51,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:23:51,404 INFO L87 Difference]: Start difference. First operand 897 states and 1083 transitions. Second operand 8 states. [2018-12-09 19:23:51,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:51,442 INFO L93 Difference]: Finished difference Result 1798 states and 2246 transitions. [2018-12-09 19:23:51,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:23:51,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-09 19:23:51,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:51,445 INFO L225 Difference]: With dead ends: 1798 [2018-12-09 19:23:51,445 INFO L226 Difference]: Without dead ends: 925 [2018-12-09 19:23:51,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:23:51,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-12-09 19:23:51,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2018-12-09 19:23:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-12-09 19:23:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1099 transitions. [2018-12-09 19:23:51,483 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1099 transitions. Word has length 104 [2018-12-09 19:23:51,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:51,484 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1099 transitions. [2018-12-09 19:23:51,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:23:51,484 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1099 transitions. [2018-12-09 19:23:51,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 19:23:51,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:51,485 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:51,485 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:51,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:51,485 INFO L82 PathProgramCache]: Analyzing trace with hash -61312945, now seen corresponding path program 1 times [2018-12-09 19:23:51,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:51,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:51,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,486 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:51,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:23:51,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:51,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:23:51,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:51,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:23:51,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:23:51,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:23:51,535 INFO L87 Difference]: Start difference. First operand 913 states and 1099 transitions. Second operand 4 states. [2018-12-09 19:23:51,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:51,730 INFO L93 Difference]: Finished difference Result 2891 states and 3646 transitions. [2018-12-09 19:23:51,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:23:51,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-09 19:23:51,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:51,738 INFO L225 Difference]: With dead ends: 2891 [2018-12-09 19:23:51,738 INFO L226 Difference]: Without dead ends: 2002 [2018-12-09 19:23:51,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:23:51,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-12-09 19:23:51,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1971. [2018-12-09 19:23:51,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2018-12-09 19:23:51,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2435 transitions. [2018-12-09 19:23:51,807 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2435 transitions. Word has length 104 [2018-12-09 19:23:51,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:51,808 INFO L480 AbstractCegarLoop]: Abstraction has 1971 states and 2435 transitions. [2018-12-09 19:23:51,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:23:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2435 transitions. [2018-12-09 19:23:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:23:51,810 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:51,810 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:51,810 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:51,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:51,811 INFO L82 PathProgramCache]: Analyzing trace with hash 913162921, now seen corresponding path program 1 times [2018-12-09 19:23:51,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:51,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:51,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:51,812 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:23:51,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:23:51,896 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:23:51,897 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-12-09 19:23:51,899 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [103], [107], [111], [114], [119], [122], [127], [133], [139], [147], [148], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [187], [191], [224], [225], [233], [239], [242], [244], [247], [257], [260], [264], [265], [268], [270], [273], [275], [278], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [309], [311], [312], [319], [320], [321], [322], [323], [324], [329], [333], [334], [335], [336], [337], [338], [341], [342], [343], [349], [350], [351], [353], [354], [355], [356], [361], [362], [363], [364], [365] [2018-12-09 19:23:51,927 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:23:51,927 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:23:52,234 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:23:52,235 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2727 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 19:23:52,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:52,243 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:23:52,511 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 97.31% of their original sizes. [2018-12-09 19:23:52,512 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:23:52,598 INFO L418 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-12-09 19:23:52,599 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:23:52,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:23:52,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-12-09 19:23:52,599 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:52,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 19:23:52,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 19:23:52,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-09 19:23:52,600 INFO L87 Difference]: Start difference. First operand 1971 states and 2435 transitions. Second operand 15 states. [2018-12-09 19:23:56,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:56,368 INFO L93 Difference]: Finished difference Result 4267 states and 5301 transitions. [2018-12-09 19:23:56,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-12-09 19:23:56,368 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2018-12-09 19:23:56,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:56,374 INFO L225 Difference]: With dead ends: 4267 [2018-12-09 19:23:56,374 INFO L226 Difference]: Without dead ends: 2320 [2018-12-09 19:23:56,377 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 119 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2018-12-09 19:23:56,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2018-12-09 19:23:56,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2301. [2018-12-09 19:23:56,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2301 states. [2018-12-09 19:23:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2750 transitions. [2018-12-09 19:23:56,439 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2750 transitions. Word has length 108 [2018-12-09 19:23:56,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:56,440 INFO L480 AbstractCegarLoop]: Abstraction has 2301 states and 2750 transitions. [2018-12-09 19:23:56,440 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 19:23:56,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2750 transitions. [2018-12-09 19:23:56,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 19:23:56,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:56,444 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2018-12-09 19:23:56,445 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:56,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:56,445 INFO L82 PathProgramCache]: Analyzing trace with hash 674893287, now seen corresponding path program 1 times [2018-12-09 19:23:56,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:56,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:56,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:56,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:56,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:23:56,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:23:56,545 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:23:56,545 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-12-09 19:23:56,545 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [122], [125], [127], [133], [139], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [184], [187], [191], [197], [224], [225], [228], [232], [233], [239], [242], [244], [247], [254], [257], [260], [264], [265], [268], [270], [273], [275], [278], [284], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [301], [302], [303], [304], [307], [308], [309], [311], [312], [313], [314], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [351], [353], [354], [355], [356], [359], [360], [361], [362], [363], [364], [365] [2018-12-09 19:23:56,548 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:23:56,548 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:23:58,191 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:23:58,192 INFO L272 AbstractInterpreter]: Visited 145 different actions 1422 times. Merged at 21 different actions 99 times. Never widened. Performed 48522 root evaluator evaluations with a maximum evaluation depth of 5. Performed 48522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 23 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-09 19:23:58,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:58,194 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:23:58,194 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:23:58,194 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:23:58,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:58,202 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:23:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:58,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:23:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:23:58,421 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:23:58,725 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:23:58,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:23:58,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 19:23:58,750 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:58,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:23:58,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:23:58,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:23:58,751 INFO L87 Difference]: Start difference. First operand 2301 states and 2750 transitions. Second operand 8 states. [2018-12-09 19:23:58,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:58,990 INFO L93 Difference]: Finished difference Result 3635 states and 4436 transitions. [2018-12-09 19:23:58,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:23:58,991 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-12-09 19:23:58,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:58,991 INFO L225 Difference]: With dead ends: 3635 [2018-12-09 19:23:58,991 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:23:58,995 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:23:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:23:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:23:58,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:23:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:23:58,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-12-09 19:23:58,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:58,996 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:23:58,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:23:58,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:23:58,996 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:23:58,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:23:59,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:23:59,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:24:00,443 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-12-09 19:24:00,944 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-12-09 19:24:01,873 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-12-09 19:24:02,043 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-09 19:24:02,043 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-09 19:24:02,043 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-09 19:24:02,043 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-09 19:24:02,043 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-09 19:24:02,044 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,044 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,044 INFO L444 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,044 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2018-12-09 19:24:02,044 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2018-12-09 19:24:02,044 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2018-12-09 19:24:02,044 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 19:24:02,044 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,044 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,045 INFO L444 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,045 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2018-12-09 19:24:02,045 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:24:02,045 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2018-12-09 19:24:02,045 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 19:24:02,045 INFO L444 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 19:24:02,045 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2018-12-09 19:24:02,045 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 19:24:02,045 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) .cse2)) (.cse7 (= |old(~systemActive~0)| 0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L451 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2018-12-09 19:24:02,046 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-09 19:24:02,047 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L451 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2018-12-09 19:24:02,047 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2018-12-09 19:24:02,047 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse3) .cse1))) [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2018-12-09 19:24:02,048 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,048 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 19:24:02,048 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L444 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 19:24:02,049 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L444 ceAbstractionStarter]: At program point L1017(lines 966 1018) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:24:02,049 INFO L444 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L444 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2018-12-09 19:24:02,049 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:24:02,049 INFO L448 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2018-12-09 19:24:02,050 INFO L451 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-12-09 19:24:02,050 INFO L448 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L444 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not .cse1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse6)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse7) (or .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 (and .cse8 .cse3) .cse9) (or .cse2 (not (= ~systemActive~0 1)) .cse10 .cse7 .cse11) (or .cse0 .cse5 .cse6) (or .cse3 .cse2 .cse7) (or .cse0 .cse2 .cse10 .cse11)))) [2018-12-09 19:24:02,051 INFO L444 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-12-09 19:24:02,051 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse2)) (.cse9 (= ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse0) (or .cse2 (and .cse0 .cse4) .cse6 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse7 .cse5 (and .cse8 .cse4)) (or .cse6 (not (= ~systemActive~0 1)) .cse9 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse7) (or .cse1 .cse9 .cse6 .cse10) (or .cse1 .cse4 .cse3) (or .cse2 .cse0 .cse3 .cse5)))) [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2018-12-09 19:24:02,051 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 19:24:02,052 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2018-12-09 19:24:02,052 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~waterLevel~0 2))))) [2018-12-09 19:24:02,052 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:24:02,053 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L444 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 (and (= 0 ~pumpRunning~0) .cse3) .cse5) (or .cse2 .cse4 .cse5))) [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L444 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 (or .cse1 (not (= ~systemActive~0 1)) .cse4) .cse6))) [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-09 19:24:02,053 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-09 19:24:02,054 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2018-12-09 19:24:02,054 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2018-12-09 19:24:02,054 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-12-09 19:24:02,054 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-12-09 19:24:02,054 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2018-12-09 19:24:02,054 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2018-12-09 19:24:02,054 INFO L444 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-09 19:24:02,054 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2018-12-09 19:24:02,054 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-09 19:24:02,054 INFO L448 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-12-09 19:24:02,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:24:02 BoogieIcfgContainer [2018-12-09 19:24:02,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:24:02,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:24:02,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:24:02,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:24:02,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:23:49" (3/4) ... [2018-12-09 19:24:02,067 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:24:02,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:24:02,073 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:24:02,074 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:24:02,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 19:24:02,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 19:24:02,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:24:02,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 19:24:02,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:24:02,080 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:24:02,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-09 19:24:02,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:24:02,126 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4220dcd0-9b4c-43ed-9fab-e7a72cbb698b/bin-2019/utaipan/witness.graphml [2018-12-09 19:24:02,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:24:02,127 INFO L168 Benchmark]: Toolchain (without parser) took 13176.76 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 627.6 MB). Free memory was 947.0 MB in the beginning and 1.3 GB in the end (delta: -400.4 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,127 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:24:02,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,127 INFO L168 Benchmark]: Boogie Preprocessor took 22.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,128 INFO L168 Benchmark]: RCFGBuilder took 341.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,128 INFO L168 Benchmark]: TraceAbstraction took 12439.64 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 524.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -325.9 MB). Peak memory consumption was 781.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,128 INFO L168 Benchmark]: Witness Printer took 62.28 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:24:02,129 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 341.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12439.64 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 524.3 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -325.9 MB). Peak memory consumption was 781.5 MB. Max. memory is 11.5 GB. * Witness Printer took 62.28 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 12.3s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2420 SDtfs, 1548 SDslu, 7577 SDs, 0 SdLazy, 2431 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 562 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2301occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968484186335097 AbsIntWeakeningRatio, 1.02803738317757 AbsIntAvgWeakeningVarsNumRemoved, 82.65420560747664 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 4150 PreInvPairs, 4447 NumberOfFragments, 2144 HoareAnnotationTreeSize, 4150 FomulaSimplifications, 6687 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 73 FomulaSimplificationsInter, 24022 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1039 NumberOfCodeBlocks, 1039 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1205 ConstructedInterpolants, 0 QuantifiedInterpolants, 219358 SizeOfPredicates, 3 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 165/171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...