./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-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_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:02:22,396 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:02:22,396 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:02:22,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:02:22,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:02:22,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:02:22,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:02:22,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:02:22,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:02:22,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:02:22,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:02:22,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:02:22,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:02:22,410 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:02:22,411 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:02:22,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:02:22,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:02:22,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:02:22,415 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:02:22,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:02:22,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:02:22,417 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:02:22,419 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:02:22,419 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:02:22,419 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:02:22,420 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:02:22,420 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:02:22,421 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:02:22,421 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:02:22,422 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:02:22,422 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:02:22,423 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:02:22,423 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:02:22,423 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:02:22,424 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:02:22,424 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:02:22,424 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:02:22,434 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:02:22,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:02:22,435 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:02:22,436 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:02:22,436 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:02:22,437 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:02:22,437 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:02:22,437 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:02:22,437 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:02:22,437 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:02:22,437 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:02:22,438 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:02:22,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:02:22,439 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:02:22,439 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:02:22,439 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_c6d00263-e7c7-401f-ab33-3b2f54a94069/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2018-12-09 12:02:22,459 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:02:22,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:02:22,468 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:02:22,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:02:22,469 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:02:22,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-09 12:02:22,503 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/data/d2d08b3b0/f3638ed2e8824903b2147f1b07725a4a/FLAG7c28e898c [2018-12-09 12:02:22,959 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:02:22,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-09 12:02:22,966 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/data/d2d08b3b0/f3638ed2e8824903b2147f1b07725a4a/FLAG7c28e898c [2018-12-09 12:02:22,974 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/data/d2d08b3b0/f3638ed2e8824903b2147f1b07725a4a [2018-12-09 12:02:22,976 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:02:22,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:02:22,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:02:22,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:02:22,980 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:02:22,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:02:22" (1/1) ... [2018-12-09 12:02:22,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:22, skipping insertion in model container [2018-12-09 12:02:22,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:02:22" (1/1) ... [2018-12-09 12:02:22,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:02:23,008 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:02:23,155 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:02:23,162 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:02:23,242 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:02:23,257 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:02:23,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23 WrapperNode [2018-12-09 12:02:23,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:02:23,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:02:23,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:02:23,258 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:02:23,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:02:23,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:02:23,278 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:02:23,278 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:02:23,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... [2018-12-09 12:02:23,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:02:23,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:02:23,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:02:23,299 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:02:23,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/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 12:02:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 12:02:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 12:02:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:02:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:02:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:02:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 12:02:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 12:02:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 12:02:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 12:02:23,331 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 12:02:23,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:02:23,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:02:23,332 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 12:02:23,333 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 12:02:23,333 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 12:02:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:02:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:02:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:02:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:02:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:02:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 12:02:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 12:02:23,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:02:23,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:02:23,583 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:02:23,583 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 12:02:23,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:23 BoogieIcfgContainer [2018-12-09 12:02:23,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:02:23,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:02:23,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:02:23,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:02:23,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:02:22" (1/3) ... [2018-12-09 12:02:23,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cc73e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:02:23, skipping insertion in model container [2018-12-09 12:02:23,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:02:23" (2/3) ... [2018-12-09 12:02:23,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cc73e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:02:23, skipping insertion in model container [2018-12-09 12:02:23,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:23" (3/3) ... [2018-12-09 12:02:23,588 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-09 12:02:23,594 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:02:23,598 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:02:23,607 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:02:23,624 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:02:23,624 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:02:23,624 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:02:23,624 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:02:23,624 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:02:23,624 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:02:23,624 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:02:23,624 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:02:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-09 12:02:23,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:02:23,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:23,641 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] [2018-12-09 12:02:23,642 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:23,645 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:23,646 INFO L82 PathProgramCache]: Analyzing trace with hash 1395230563, now seen corresponding path program 1 times [2018-12-09 12:02:23,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:23,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:23,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:23,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:23,674 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:23,809 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 12:02:23,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:23,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:02:23,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:23,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:02:23,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:02:23,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:02:23,824 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-12-09 12:02:23,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:23,848 INFO L93 Difference]: Finished difference Result 216 states and 271 transitions. [2018-12-09 12:02:23,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:02:23,849 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 12:02:23,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:23,855 INFO L225 Difference]: With dead ends: 216 [2018-12-09 12:02:23,855 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 12:02:23,857 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 12:02:23,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 12:02:23,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 12:02:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 12:02:23,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-12-09 12:02:23,885 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 51 [2018-12-09 12:02:23,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:23,885 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-12-09 12:02:23,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:02:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-12-09 12:02:23,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:02:23,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:23,887 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 12:02:23,887 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:23,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:23,888 INFO L82 PathProgramCache]: Analyzing trace with hash -234462916, now seen corresponding path program 1 times [2018-12-09 12:02:23,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:23,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:23,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:23,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:23,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:23,940 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 12:02:23,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:23,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:02:23,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:23,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:02:23,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:02:23,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:02:23,942 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-12-09 12:02:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:23,953 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2018-12-09 12:02:23,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:02:23,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 12:02:23,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:23,954 INFO L225 Difference]: With dead ends: 165 [2018-12-09 12:02:23,954 INFO L226 Difference]: Without dead ends: 101 [2018-12-09 12:02:23,955 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 12:02:23,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-09 12:02:23,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-09 12:02:23,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-09 12:02:23,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-12-09 12:02:23,961 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 52 [2018-12-09 12:02:23,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:23,961 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-12-09 12:02:23,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:02:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-12-09 12:02:23,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 12:02:23,962 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:23,962 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] [2018-12-09 12:02:23,963 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:23,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:23,963 INFO L82 PathProgramCache]: Analyzing trace with hash 266541224, now seen corresponding path program 1 times [2018-12-09 12:02:23,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:23,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:23,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:23,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:23,964 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:24,034 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 12:02:24,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:24,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:02:24,034 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:24,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:02:24,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:02:24,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:02:24,035 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-12-09 12:02:24,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:24,167 INFO L93 Difference]: Finished difference Result 174 states and 207 transitions. [2018-12-09 12:02:24,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:02:24,167 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 12:02:24,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:24,168 INFO L225 Difference]: With dead ends: 174 [2018-12-09 12:02:24,168 INFO L226 Difference]: Without dead ends: 101 [2018-12-09 12:02:24,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:02:24,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-09 12:02:24,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-09 12:02:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-09 12:02:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-12-09 12:02:24,175 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 56 [2018-12-09 12:02:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:24,175 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-12-09 12:02:24,175 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:02:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-12-09 12:02:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-09 12:02:24,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:24,176 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:24,176 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:24,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:24,177 INFO L82 PathProgramCache]: Analyzing trace with hash 250786301, now seen corresponding path program 1 times [2018-12-09 12:02:24,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:24,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:24,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:24,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:24,178 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:24,244 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 12:02:24,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:24,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 12:02:24,244 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:24,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 12:02:24,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 12:02:24,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 12:02:24,245 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 5 states. [2018-12-09 12:02:24,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:24,476 INFO L93 Difference]: Finished difference Result 259 states and 315 transitions. [2018-12-09 12:02:24,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:02:24,477 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-09 12:02:24,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:24,479 INFO L225 Difference]: With dead ends: 259 [2018-12-09 12:02:24,479 INFO L226 Difference]: Without dead ends: 186 [2018-12-09 12:02:24,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:02:24,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-12-09 12:02:24,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 168. [2018-12-09 12:02:24,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-12-09 12:02:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2018-12-09 12:02:24,497 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 64 [2018-12-09 12:02:24,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:24,498 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2018-12-09 12:02:24,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 12:02:24,498 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2018-12-09 12:02:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 12:02:24,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:24,500 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:24,500 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:24,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:24,500 INFO L82 PathProgramCache]: Analyzing trace with hash 624066098, now seen corresponding path program 1 times [2018-12-09 12:02:24,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:24,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:24,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:24,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:24,502 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:24,582 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 12:02:24,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:24,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:02:24,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:24,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:02:24,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:02:24,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:02:24,584 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand 6 states. [2018-12-09 12:02:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:24,693 INFO L93 Difference]: Finished difference Result 430 states and 518 transitions. [2018-12-09 12:02:24,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:02:24,693 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-09 12:02:24,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:24,696 INFO L225 Difference]: With dead ends: 430 [2018-12-09 12:02:24,696 INFO L226 Difference]: Without dead ends: 290 [2018-12-09 12:02:24,697 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 12:02:24,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-12-09 12:02:24,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2018-12-09 12:02:24,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-12-09 12:02:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 330 transitions. [2018-12-09 12:02:24,721 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 330 transitions. Word has length 78 [2018-12-09 12:02:24,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:24,722 INFO L480 AbstractCegarLoop]: Abstraction has 284 states and 330 transitions. [2018-12-09 12:02:24,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:02:24,722 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 330 transitions. [2018-12-09 12:02:24,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 12:02:24,723 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:24,723 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:24,723 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:24,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:24,724 INFO L82 PathProgramCache]: Analyzing trace with hash -658075602, now seen corresponding path program 1 times [2018-12-09 12:02:24,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:24,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:24,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:24,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:24,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:24,802 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 12:02:24,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:24,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:02:24,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:24,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:02:24,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:02:24,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:02:24,803 INFO L87 Difference]: Start difference. First operand 284 states and 330 transitions. Second operand 7 states. [2018-12-09 12:02:25,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:25,054 INFO L93 Difference]: Finished difference Result 569 states and 681 transitions. [2018-12-09 12:02:25,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:02:25,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-09 12:02:25,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:25,055 INFO L225 Difference]: With dead ends: 569 [2018-12-09 12:02:25,055 INFO L226 Difference]: Without dead ends: 313 [2018-12-09 12:02:25,056 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 12:02:25,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-12-09 12:02:25,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2018-12-09 12:02:25,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-12-09 12:02:25,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 327 transitions. [2018-12-09 12:02:25,069 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 327 transitions. Word has length 82 [2018-12-09 12:02:25,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:25,069 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 327 transitions. [2018-12-09 12:02:25,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:02:25,069 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 327 transitions. [2018-12-09 12:02:25,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:02:25,070 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:25,070 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:25,070 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:25,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash -475944275, now seen corresponding path program 1 times [2018-12-09 12:02:25,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:25,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:25,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:25,107 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 12:02:25,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:25,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:02:25,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:25,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:02:25,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:02:25,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:02:25,108 INFO L87 Difference]: Start difference. First operand 283 states and 327 transitions. Second operand 6 states. [2018-12-09 12:02:25,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:25,139 INFO L93 Difference]: Finished difference Result 548 states and 644 transitions. [2018-12-09 12:02:25,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:02:25,140 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-09 12:02:25,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:25,141 INFO L225 Difference]: With dead ends: 548 [2018-12-09 12:02:25,141 INFO L226 Difference]: Without dead ends: 293 [2018-12-09 12:02:25,141 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 12:02:25,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-12-09 12:02:25,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-12-09 12:02:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-12-09 12:02:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 337 transitions. [2018-12-09 12:02:25,152 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 337 transitions. Word has length 83 [2018-12-09 12:02:25,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:25,152 INFO L480 AbstractCegarLoop]: Abstraction has 293 states and 337 transitions. [2018-12-09 12:02:25,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:02:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 337 transitions. [2018-12-09 12:02:25,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:02:25,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:25,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:25,153 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:25,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:25,154 INFO L82 PathProgramCache]: Analyzing trace with hash 910259119, now seen corresponding path program 1 times [2018-12-09 12:02:25,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:25,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:25,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:25,203 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 12:02:25,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:25,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 12:02:25,204 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:25,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:02:25,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:02:25,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:02:25,204 INFO L87 Difference]: Start difference. First operand 293 states and 337 transitions. Second operand 8 states. [2018-12-09 12:02:25,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:25,236 INFO L93 Difference]: Finished difference Result 572 states and 676 transitions. [2018-12-09 12:02:25,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:02:25,236 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-09 12:02:25,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:25,237 INFO L225 Difference]: With dead ends: 572 [2018-12-09 12:02:25,237 INFO L226 Difference]: Without dead ends: 307 [2018-12-09 12:02:25,238 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 12:02:25,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-12-09 12:02:25,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2018-12-09 12:02:25,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-12-09 12:02:25,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 345 transitions. [2018-12-09 12:02:25,248 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 345 transitions. Word has length 83 [2018-12-09 12:02:25,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:25,248 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 345 transitions. [2018-12-09 12:02:25,248 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:02:25,248 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 345 transitions. [2018-12-09 12:02:25,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:02:25,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:25,249 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:25,249 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:25,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:25,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1273417808, now seen corresponding path program 1 times [2018-12-09 12:02:25,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:25,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:25,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,250 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:25,282 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 12:02:25,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:25,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:02:25,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:25,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:02:25,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:02:25,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:02:25,283 INFO L87 Difference]: Start difference. First operand 301 states and 345 transitions. Second operand 4 states. [2018-12-09 12:02:25,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:25,387 INFO L93 Difference]: Finished difference Result 896 states and 1086 transitions. [2018-12-09 12:02:25,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:02:25,387 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-12-09 12:02:25,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:25,389 INFO L225 Difference]: With dead ends: 896 [2018-12-09 12:02:25,390 INFO L226 Difference]: Without dead ends: 623 [2018-12-09 12:02:25,390 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 12:02:25,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2018-12-09 12:02:25,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 415. [2018-12-09 12:02:25,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-12-09 12:02:25,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 472 transitions. [2018-12-09 12:02:25,409 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 472 transitions. Word has length 83 [2018-12-09 12:02:25,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:25,410 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 472 transitions. [2018-12-09 12:02:25,410 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:02:25,410 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 472 transitions. [2018-12-09 12:02:25,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 12:02:25,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:25,411 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:25,411 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:25,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:25,411 INFO L82 PathProgramCache]: Analyzing trace with hash 1409380982, now seen corresponding path program 1 times [2018-12-09 12:02:25,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:25,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:25,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,412 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:02:25,446 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 12:02:25,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:02:25,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:02:25,446 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:02:25,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:02:25,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:02:25,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:02:25,447 INFO L87 Difference]: Start difference. First operand 415 states and 472 transitions. Second operand 3 states. [2018-12-09 12:02:25,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:02:25,479 INFO L93 Difference]: Finished difference Result 622 states and 720 transitions. [2018-12-09 12:02:25,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:02:25,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-12-09 12:02:25,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:02:25,481 INFO L225 Difference]: With dead ends: 622 [2018-12-09 12:02:25,481 INFO L226 Difference]: Without dead ends: 619 [2018-12-09 12:02:25,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:02:25,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-12-09 12:02:25,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 525. [2018-12-09 12:02:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-12-09 12:02:25,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 607 transitions. [2018-12-09 12:02:25,503 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 607 transitions. Word has length 87 [2018-12-09 12:02:25,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:02:25,504 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 607 transitions. [2018-12-09 12:02:25,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:02:25,504 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 607 transitions. [2018-12-09 12:02:25,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 12:02:25,505 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:02:25,506 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:02:25,506 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:02:25,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:02:25,506 INFO L82 PathProgramCache]: Analyzing trace with hash 824659389, now seen corresponding path program 1 times [2018-12-09 12:02:25,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:02:25,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:02:25,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:02:25,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:02:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:02:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:02:25,616 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:02:25,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:02:25 BoogieIcfgContainer [2018-12-09 12:02:25,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:02:25,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:02:25,734 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:02:25,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:02:25,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:02:23" (3/4) ... [2018-12-09 12:02:25,736 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 12:02:25,843 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6d00263-e7c7-401f-ab33-3b2f54a94069/bin-2019/utaipan/witness.graphml [2018-12-09 12:02:25,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:02:25,843 INFO L168 Benchmark]: Toolchain (without parser) took 2866.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 957.1 MB in the beginning and 1.0 GB in the end (delta: -48.3 MB). Peak memory consumption was 109.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:25,844 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:02:25,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:25,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:02:25,844 INFO L168 Benchmark]: Boogie Preprocessor took 20.85 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:25,845 INFO L168 Benchmark]: RCFGBuilder took 284.34 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:25,845 INFO L168 Benchmark]: TraceAbstraction took 2150.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -22.1 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:25,845 INFO L168 Benchmark]: Witness Printer took 108.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:02:25,846 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.66 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.85 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 284.34 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2150.36 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -22.1 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * Witness Printer took 108.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L876] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=199, \old(head)=201, \old(head)=185, \old(methAndRunningLastTime)=197, \old(methaneLevelCritical)=152, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] int retValue_acc ; [L258] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L264] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L264] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L268] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L269] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L881] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L467] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L477] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L165] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L432] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L334] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L338] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L315] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L302] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L900] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. UNSAFE Result, 2.1s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1265 SDtfs, 737 SDslu, 2420 SDs, 0 SdLazy, 829 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 362 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 709 ConstructedInterpolants, 0 QuantifiedInterpolants, 86830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...