./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product31_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_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/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 34d3cbbc8b4a786ebf9108ab9ac810ac8aab3a53 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 15:30:38,461 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:30:38,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:30:38,468 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:30:38,468 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:30:38,469 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:30:38,469 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:30:38,470 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:30:38,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:30:38,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:30:38,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:30:38,472 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:30:38,473 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:30:38,473 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:30:38,474 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:30:38,474 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:30:38,475 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:30:38,475 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:30:38,476 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:30:38,477 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:30:38,478 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:30:38,478 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:30:38,480 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:30:38,480 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:30:38,480 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:30:38,480 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:30:38,481 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:30:38,481 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:30:38,482 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:30:38,482 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:30:38,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:30:38,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:30:38,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:30:38,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:30:38,484 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:30:38,484 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:30:38,484 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:30:38,491 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:30:38,491 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:30:38,492 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:30:38,492 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:30:38,492 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:30:38,492 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:30:38,492 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:30:38,493 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:30:38,493 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:30:38,493 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:30:38,493 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:30:38,493 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:30:38,493 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:30:38,493 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:30:38,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:30:38,495 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:30:38,495 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:30:38,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:30:38,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:30:38,495 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:30:38,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:30:38,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:30:38,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:30:38,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:30:38,496 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:30:38,496 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:30:38,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:30:38,496 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:30:38,496 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_645a020d-c798-4b84-b6f6-9970beab5541/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 -> 34d3cbbc8b4a786ebf9108ab9ac810ac8aab3a53 [2018-12-09 15:30:38,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:30:38,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:30:38,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:30:38,527 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:30:38,527 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:30:38,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-12-09 15:30:38,570 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/data/e6b281bf5/5d755503ee124ebebb0dfc4baf8043f3/FLAG862d92fa2 [2018-12-09 15:30:39,021 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:30:39,021 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/sv-benchmarks/c/product-lines/minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-12-09 15:30:39,027 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/data/e6b281bf5/5d755503ee124ebebb0dfc4baf8043f3/FLAG862d92fa2 [2018-12-09 15:30:39,035 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/data/e6b281bf5/5d755503ee124ebebb0dfc4baf8043f3 [2018-12-09 15:30:39,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:30:39,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:30:39,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:30:39,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:30:39,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:30:39,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cd0825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39, skipping insertion in model container [2018-12-09 15:30:39,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:30:39,067 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:30:39,212 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:30:39,259 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:30:39,300 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:30:39,316 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:30:39,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39 WrapperNode [2018-12-09 15:30:39,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:30:39,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:30:39,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:30:39,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:30:39,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:30:39,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:30:39,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:30:39,337 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:30:39,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,354 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... [2018-12-09 15:30:39,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:30:39,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:30:39,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:30:39,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:30:39,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/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 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 15:30:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:30:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 15:30:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 15:30:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 15:30:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 15:30:39,388 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 15:30:39,388 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 15:30:39,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 15:30:39,389 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 15:30:39,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 15:30:39,390 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 15:30:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 15:30:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 15:30:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:30:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:30:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 15:30:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 15:30:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:30:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 15:30:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 15:30:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 15:30:39,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:30:39,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:30:39,666 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:30:39,666 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 15:30:39,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:30:39 BoogieIcfgContainer [2018-12-09 15:30:39,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:30:39,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:30:39,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:30:39,669 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:30:39,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:30:39" (1/3) ... [2018-12-09 15:30:39,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0da87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:30:39, skipping insertion in model container [2018-12-09 15:30:39,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:30:39" (2/3) ... [2018-12-09 15:30:39,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0da87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:30:39, skipping insertion in model container [2018-12-09 15:30:39,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:30:39" (3/3) ... [2018-12-09 15:30:39,671 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product31_false-unreach-call_false-termination.cil.c [2018-12-09 15:30:39,677 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:30:39,682 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:30:39,691 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:30:39,709 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:30:39,709 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:30:39,709 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:30:39,709 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:30:39,709 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:30:39,709 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:30:39,709 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:30:39,709 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:30:39,720 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-12-09 15:30:39,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 15:30:39,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:30:39,726 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 15:30:39,728 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:30:39,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:30:39,731 INFO L82 PathProgramCache]: Analyzing trace with hash -106182042, now seen corresponding path program 1 times [2018-12-09 15:30:39,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:30:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:39,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:30:39,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:39,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:30:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:30:39,867 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 15:30:39,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:30:39,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:30:39,869 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:30:39,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:30:39,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:30:39,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:30:39,881 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2018-12-09 15:30:39,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:30:39,904 INFO L93 Difference]: Finished difference Result 262 states and 329 transitions. [2018-12-09 15:30:39,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:30:39,905 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 15:30:39,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:30:39,912 INFO L225 Difference]: With dead ends: 262 [2018-12-09 15:30:39,912 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 15:30:39,914 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 15:30:39,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 15:30:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 15:30:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 15:30:39,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 156 transitions. [2018-12-09 15:30:39,944 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 156 transitions. Word has length 52 [2018-12-09 15:30:39,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:30:39,944 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 156 transitions. [2018-12-09 15:30:39,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:30:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 156 transitions. [2018-12-09 15:30:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 15:30:39,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:30:39,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:30:39,946 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:30:39,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:30:39,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1162952314, now seen corresponding path program 1 times [2018-12-09 15:30:39,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:30:39,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:39,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:30:39,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:39,948 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:30:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:30:40,002 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 15:30:40,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:30:40,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 15:30:40,003 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:30:40,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 15:30:40,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 15:30:40,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 15:30:40,004 INFO L87 Difference]: Start difference. First operand 131 states and 156 transitions. Second operand 3 states. [2018-12-09 15:30:40,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:30:40,017 INFO L93 Difference]: Finished difference Result 205 states and 243 transitions. [2018-12-09 15:30:40,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 15:30:40,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 15:30:40,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:30:40,018 INFO L225 Difference]: With dead ends: 205 [2018-12-09 15:30:40,018 INFO L226 Difference]: Without dead ends: 122 [2018-12-09 15:30:40,019 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 15:30:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-12-09 15:30:40,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-12-09 15:30:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-12-09 15:30:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 144 transitions. [2018-12-09 15:30:40,026 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 144 transitions. Word has length 53 [2018-12-09 15:30:40,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:30:40,026 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 144 transitions. [2018-12-09 15:30:40,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 15:30:40,027 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2018-12-09 15:30:40,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 15:30:40,028 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:30:40,028 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:30:40,028 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:30:40,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:30:40,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1408757500, now seen corresponding path program 1 times [2018-12-09 15:30:40,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:30:40,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:40,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:30:40,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:40,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:30:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:30:40,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:30:40,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:30:40,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:30:40,102 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:30:40,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:30:40,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:30:40,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:30:40,102 INFO L87 Difference]: Start difference. First operand 122 states and 144 transitions. Second operand 7 states. [2018-12-09 15:30:40,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:30:40,333 INFO L93 Difference]: Finished difference Result 374 states and 457 transitions. [2018-12-09 15:30:40,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:30:40,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 15:30:40,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:30:40,335 INFO L225 Difference]: With dead ends: 374 [2018-12-09 15:30:40,335 INFO L226 Difference]: Without dead ends: 276 [2018-12-09 15:30:40,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:30:40,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-12-09 15:30:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 268. [2018-12-09 15:30:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2018-12-09 15:30:40,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 327 transitions. [2018-12-09 15:30:40,355 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 327 transitions. Word has length 57 [2018-12-09 15:30:40,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:30:40,356 INFO L480 AbstractCegarLoop]: Abstraction has 268 states and 327 transitions. [2018-12-09 15:30:40,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:30:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 327 transitions. [2018-12-09 15:30:40,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 15:30:40,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:30:40,358 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] [2018-12-09 15:30:40,358 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:30:40,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:30:40,358 INFO L82 PathProgramCache]: Analyzing trace with hash 316566745, now seen corresponding path program 1 times [2018-12-09 15:30:40,358 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:30:40,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:40,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:30:40,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:40,359 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:30:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:30:40,423 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 15:30:40,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:30:40,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:30:40,423 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:30:40,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:30:40,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:30:40,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:30:40,424 INFO L87 Difference]: Start difference. First operand 268 states and 327 transitions. Second operand 6 states. [2018-12-09 15:30:40,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:30:40,542 INFO L93 Difference]: Finished difference Result 729 states and 927 transitions. [2018-12-09 15:30:40,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:30:40,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-09 15:30:40,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:30:40,545 INFO L225 Difference]: With dead ends: 729 [2018-12-09 15:30:40,545 INFO L226 Difference]: Without dead ends: 485 [2018-12-09 15:30:40,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:30:40,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2018-12-09 15:30:40,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 479. [2018-12-09 15:30:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479 states. [2018-12-09 15:30:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 596 transitions. [2018-12-09 15:30:40,573 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 596 transitions. Word has length 63 [2018-12-09 15:30:40,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:30:40,573 INFO L480 AbstractCegarLoop]: Abstraction has 479 states and 596 transitions. [2018-12-09 15:30:40,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:30:40,574 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 596 transitions. [2018-12-09 15:30:40,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 15:30:40,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:30:40,576 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] [2018-12-09 15:30:40,576 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:30:40,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:30:40,576 INFO L82 PathProgramCache]: Analyzing trace with hash -899633569, now seen corresponding path program 1 times [2018-12-09 15:30:40,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:30:40,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:40,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:30:40,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:30:40,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:30:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:30:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:30:40,650 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 15:30:40,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:30:40 BoogieIcfgContainer [2018-12-09 15:30:40,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:30:40,711 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:30:40,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:30:40,711 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:30:40,711 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:30:39" (3/4) ... [2018-12-09 15:30:40,713 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 15:30:40,778 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_645a020d-c798-4b84-b6f6-9970beab5541/bin-2019/utaipan/witness.graphml [2018-12-09 15:30:40,778 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:30:40,779 INFO L168 Benchmark]: Toolchain (without parser) took 1741.81 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 948.1 MB in the beginning and 764.0 MB in the end (delta: 184.1 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:30:40,780 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:30:40,780 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:30:40,780 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.18 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 15:30:40,781 INFO L168 Benchmark]: Boogie Preprocessor took 20.22 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 15:30:40,781 INFO L168 Benchmark]: RCFGBuilder took 309.52 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:30:40,781 INFO L168 Benchmark]: TraceAbstraction took 1043.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 786.4 MB in the end (delta: 219.6 MB). Peak memory consumption was 219.6 MB. Max. memory is 11.5 GB. [2018-12-09 15:30:40,781 INFO L168 Benchmark]: Witness Printer took 67.74 ms. Allocated memory is still 1.1 GB. Free memory was 786.4 MB in the beginning and 764.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-09 15:30:40,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 77.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -111.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.18 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 20.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 309.52 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: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1043.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 786.4 MB in the end (delta: 219.6 MB). Peak memory consumption was 219.6 MB. Max. memory is 11.5 GB. * Witness Printer took 67.74 ms. Allocated memory is still 1.1 GB. Free memory was 786.4 MB in the beginning and 764.0 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 140]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L314] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L585] int pumpRunning = 0; [L586] int systemActive = 1; [L868] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=197, \old(head)=199, \old(head)=182, \old(methaneLevelCritical)=148, \old(pumpRunning)=134, \old(systemActive)=133, \old(waterLevel)=141, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L941] int retValue_acc ; [L942] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L946] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L947] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L948] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L948] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L948] tmp = valid_product() [L950] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L952] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L953] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L935] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L515] int splverifierCounter ; [L516] int tmp ; [L517] int tmp___0 ; [L518] int tmp___1 ; [L519] int tmp___2 ; [L522] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L524] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L526] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L532] tmp = __VERIFIER_nondet_int() [L534] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L536] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L536] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L542] tmp___0 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L552] tmp___2 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___2)) [L558] tmp___1 = __VERIFIER_nondet_int() [L560] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L562] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L784] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L791] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L562] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L569] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L593] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L600] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L608] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L797] int tmp ; [L798] int tmp___0 ; [L799] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L803] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L803] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L803] tmp = isMethaneLevelCritical() [L805] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L809] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L809] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L809] tmp___0 = getWaterLevel() [L811] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L813] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L717] int retValue_acc ; [L720] retValue_acc = pumpRunning [L721] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L813] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L813] tmp___1 = isPumpRunning() [L815] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L819] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L140] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 144 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 665 SDtfs, 342 SDslu, 1302 SDs, 0 SdLazy, 305 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 20709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...