./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/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 fab453ece5fcff1538ea80c83122b1ca9f5a0f1e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:47:19,504 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:47:19,505 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:47:19,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:47:19,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:47:19,515 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:47:19,516 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:47:19,517 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:47:19,518 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:47:19,519 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:47:19,520 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:47:19,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:47:19,520 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:47:19,521 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:47:19,522 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:47:19,522 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:47:19,523 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:47:19,524 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:47:19,525 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:47:19,526 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:47:19,527 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:47:19,528 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:47:19,529 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:47:19,530 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:47:19,530 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:47:19,530 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:47:19,531 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:47:19,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:47:19,532 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:47:19,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:47:19,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:47:19,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:47:19,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:47:19,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:47:19,535 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:47:19,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:47:19,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:47:19,547 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:47:19,547 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:47:19,548 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:47:19,548 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:47:19,548 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:47:19,548 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:47:19,548 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:47:19,548 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:47:19,549 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:47:19,549 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:47:19,549 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:47:19,549 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:47:19,549 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:47:19,551 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:47:19,551 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:47:19,551 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:47:19,551 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:47:19,552 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:47:19,553 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:47:19,553 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:47:19,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:47:19,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:47:19,553 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:47:19,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:47:19,553 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:47:19,554 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:47:19,554 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:47:19,554 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:47:19,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:47:19,554 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:47:19,554 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:47:19,554 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_4b813c62-2d69-435f-baee-973e1358e1d0/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 -> fab453ece5fcff1538ea80c83122b1ca9f5a0f1e [2018-11-18 09:47:19,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:47:19,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:47:19,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:47:19,588 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:47:19,588 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:47:19,589 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product20_true-unreach-call_false-termination.cil.c [2018-11-18 09:47:19,629 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/data/a26d6bae3/ed02d84ce83b44fe99081e2bc80961e0/FLAG38bfe0edd [2018-11-18 09:47:20,059 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:47:20,059 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/sv-benchmarks/c/product-lines/minepump_spec5_product20_true-unreach-call_false-termination.cil.c [2018-11-18 09:47:20,067 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/data/a26d6bae3/ed02d84ce83b44fe99081e2bc80961e0/FLAG38bfe0edd [2018-11-18 09:47:20,076 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/data/a26d6bae3/ed02d84ce83b44fe99081e2bc80961e0 [2018-11-18 09:47:20,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:47:20,078 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:47:20,079 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:47:20,079 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:47:20,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:47:20,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20, skipping insertion in model container [2018-11-18 09:47:20,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:47:20,123 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:47:20,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:47:20,318 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:47:20,413 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:47:20,429 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:47:20,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20 WrapperNode [2018-11-18 09:47:20,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:47:20,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:47:20,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:47:20,430 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:47:20,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,451 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:47:20,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:47:20,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:47:20,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:47:20,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,475 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... [2018-11-18 09:47:20,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:47:20,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:47:20,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:47:20,480 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:47:20,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:47:20,523 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:47:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:47:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:47:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:47:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 09:47:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 09:47:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:47:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:47:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:47:20,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:47:20,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:47:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:47:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:47:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:47:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:47:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:47:20,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:47:20,525 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:47:20,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:47:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 09:47:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 09:47:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:47:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:47:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:47:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:47:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:47:20,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:47:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:47:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:47:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:47:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:47:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:47:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:47:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:47:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:47:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:47:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:47:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:47:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:47:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:47:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:47:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:47:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:47:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:47:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:47:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:47:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:47:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:47:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:47:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:47:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:47:21,021 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:47:21,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:47:21 BoogieIcfgContainer [2018-11-18 09:47:21,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:47:21,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:47:21,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:47:21,025 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:47:21,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:47:20" (1/3) ... [2018-11-18 09:47:21,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76adc398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:47:21, skipping insertion in model container [2018-11-18 09:47:21,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:47:20" (2/3) ... [2018-11-18 09:47:21,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76adc398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:47:21, skipping insertion in model container [2018-11-18 09:47:21,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:47:21" (3/3) ... [2018-11-18 09:47:21,028 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product20_true-unreach-call_false-termination.cil.c [2018-11-18 09:47:21,036 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:47:21,043 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:47:21,055 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:47:21,078 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:47:21,079 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:47:21,079 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:47:21,079 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:47:21,079 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:47:21,079 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:47:21,079 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:47:21,079 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:47:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-18 09:47:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 09:47:21,104 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:21,104 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:21,106 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:21,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:21,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1233074179, now seen corresponding path program 1 times [2018-11-18 09:47:21,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:21,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:21,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:21,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:21,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:21,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:47:21,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:47:21,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:47:21,319 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:47:21,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:47:21,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:47:21,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:47:21,333 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-11-18 09:47:21,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:21,360 INFO L93 Difference]: Finished difference Result 248 states and 307 transitions. [2018-11-18 09:47:21,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:47:21,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 09:47:21,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:21,369 INFO L225 Difference]: With dead ends: 248 [2018-11-18 09:47:21,369 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 09:47:21,371 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:47:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 09:47:21,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 09:47:21,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 09:47:21,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-11-18 09:47:21,405 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 59 [2018-11-18 09:47:21,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:21,405 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-11-18 09:47:21,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:47:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-11-18 09:47:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:47:21,408 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:21,409 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:21,409 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:21,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:21,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1331563419, now seen corresponding path program 1 times [2018-11-18 09:47:21,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:21,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:21,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:21,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:21,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:47:21,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:47:21,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:47:21,494 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:47:21,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:47:21,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:47:21,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:47:21,496 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-11-18 09:47:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:21,512 INFO L93 Difference]: Finished difference Result 185 states and 215 transitions. [2018-11-18 09:47:21,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:47:21,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 09:47:21,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:21,514 INFO L225 Difference]: With dead ends: 185 [2018-11-18 09:47:21,514 INFO L226 Difference]: Without dead ends: 116 [2018-11-18 09:47:21,515 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:47:21,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-11-18 09:47:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-11-18 09:47:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-11-18 09:47:21,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2018-11-18 09:47:21,526 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 61 [2018-11-18 09:47:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:21,527 INFO L480 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2018-11-18 09:47:21,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:47:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2018-11-18 09:47:21,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:47:21,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:21,528 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:21,528 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:21,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:21,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1626349883, now seen corresponding path program 1 times [2018-11-18 09:47:21,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:21,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:21,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:21,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:21,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:47:21,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:47:21,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:47:21,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:47:21,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:47:21,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:47:21,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:47:21,645 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 7 states. [2018-11-18 09:47:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:21,970 INFO L93 Difference]: Finished difference Result 349 states and 423 transitions. [2018-11-18 09:47:21,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:47:21,971 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 09:47:21,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:21,973 INFO L225 Difference]: With dead ends: 349 [2018-11-18 09:47:21,973 INFO L226 Difference]: Without dead ends: 261 [2018-11-18 09:47:21,974 INFO L604 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 [2018-11-18 09:47:21,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-11-18 09:47:22,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 249. [2018-11-18 09:47:22,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-11-18 09:47:22,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 301 transitions. [2018-11-18 09:47:22,002 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 301 transitions. Word has length 66 [2018-11-18 09:47:22,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:22,003 INFO L480 AbstractCegarLoop]: Abstraction has 249 states and 301 transitions. [2018-11-18 09:47:22,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:47:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 301 transitions. [2018-11-18 09:47:22,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 09:47:22,006 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:47:22,006 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:47:22,006 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:47:22,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:47:22,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1765811825, now seen corresponding path program 1 times [2018-11-18 09:47:22,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:47:22,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:22,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:47:22,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:47:22,008 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:47:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:47:22,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:47:22,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:47:22,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:47:22,106 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:47:22,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:47:22,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:47:22,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:47:22,107 INFO L87 Difference]: Start difference. First operand 249 states and 301 transitions. Second operand 7 states. [2018-11-18 09:47:22,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:47:22,389 INFO L93 Difference]: Finished difference Result 416 states and 519 transitions. [2018-11-18 09:47:22,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:47:22,391 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 09:47:22,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:47:22,392 INFO L225 Difference]: With dead ends: 416 [2018-11-18 09:47:22,392 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:47:22,394 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 09:47:22,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:47:22,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:47:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:47:22,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:47:22,396 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-11-18 09:47:22,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:47:22,396 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:47:22,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:47:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:47:22,396 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:47:22,399 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:47:22,879 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 574 580) the Hoare annotation is: true [2018-11-18 09:47:22,879 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 574 580) no Hoare annotation was computed. [2018-11-18 09:47:22,879 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 581 589) no Hoare annotation was computed. [2018-11-18 09:47:22,879 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 581 589) the Hoare annotation is: true [2018-11-18 09:47:22,879 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 581 589) no Hoare annotation was computed. [2018-11-18 09:47:22,880 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 505 512) the Hoare annotation is: true [2018-11-18 09:47:22,880 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 505 512) no Hoare annotation was computed. [2018-11-18 09:47:22,880 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 505 512) no Hoare annotation was computed. [2018-11-18 09:47:22,880 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 513 522) the Hoare annotation is: true [2018-11-18 09:47:22,880 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 513 522) no Hoare annotation was computed. [2018-11-18 09:47:22,880 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 513 522) no Hoare annotation was computed. [2018-11-18 09:47:22,880 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 09:47:22,880 INFO L421 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 09:47:22,881 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-11-18 09:47:22,881 INFO L425 ceAbstractionStarter]: For program point L535(lines 535 545) no Hoare annotation was computed. [2018-11-18 09:47:22,881 INFO L428 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: true [2018-11-18 09:47:22,881 INFO L425 ceAbstractionStarter]: For program point L533-1(line 533) no Hoare annotation was computed. [2018-11-18 09:47:22,881 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 548) no Hoare annotation was computed. [2018-11-18 09:47:22,882 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 523 551) no Hoare annotation was computed. [2018-11-18 09:47:22,882 INFO L428 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: true [2018-11-18 09:47:22,882 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 523 551) the Hoare annotation is: true [2018-11-18 09:47:22,882 INFO L425 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2018-11-18 09:47:22,882 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 523 551) no Hoare annotation was computed. [2018-11-18 09:47:22,882 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 676 698) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,882 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 676 698) no Hoare annotation was computed. [2018-11-18 09:47:22,882 INFO L421 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 09:47:22,882 INFO L421 ceAbstractionStarter]: At program point L688-1(line 688) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-18 09:47:22,882 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 693) no Hoare annotation was computed. [2018-11-18 09:47:22,883 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 686 693) no Hoare annotation was computed. [2018-11-18 09:47:22,883 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 676 698) no Hoare annotation was computed. [2018-11-18 09:47:22,883 INFO L425 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2018-11-18 09:47:22,883 INFO L421 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,883 INFO L421 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,883 INFO L421 ceAbstractionStarter]: At program point L682-1(line 682) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,883 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 927 941) no Hoare annotation was computed. [2018-11-18 09:47:22,883 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 927 941) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 09:47:22,883 INFO L421 ceAbstractionStarter]: At program point L933(line 933) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 09:47:22,883 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 927 941) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point L931(lines 931 937) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 863 871) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 863 871) the Hoare annotation is: true [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 863 871) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 908 926) the Hoare annotation is: true [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 908 926) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L428 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point L917-2(lines 917 921) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 908 926) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 567 573) no Hoare annotation was computed. [2018-11-18 09:47:22,884 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 567 573) the Hoare annotation is: true [2018-11-18 09:47:22,885 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 665 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,885 INFO L421 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,885 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 665 675) no Hoare annotation was computed. [2018-11-18 09:47:22,885 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 665 675) no Hoare annotation was computed. [2018-11-18 09:47:22,885 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 844 851) the Hoare annotation is: true [2018-11-18 09:47:22,885 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 844 851) no Hoare annotation was computed. [2018-11-18 09:47:22,885 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 844 851) no Hoare annotation was computed. [2018-11-18 09:47:22,885 INFO L421 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 09:47:22,885 INFO L425 ceAbstractionStarter]: For program point L830-1(lines 811 835) no Hoare annotation was computed. [2018-11-18 09:47:22,885 INFO L421 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:47:22,886 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 811 835) no Hoare annotation was computed. [2018-11-18 09:47:22,886 INFO L421 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:47:22,886 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 811 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 09:47:22,886 INFO L425 ceAbstractionStarter]: For program point L819(lines 819 827) no Hoare annotation was computed. [2018-11-18 09:47:22,886 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 09:47:22,886 INFO L425 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-11-18 09:47:22,886 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 832) no Hoare annotation was computed. [2018-11-18 09:47:22,886 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 803 809) no Hoare annotation was computed. [2018-11-18 09:47:22,886 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 803 809) the Hoare annotation is: true [2018-11-18 09:47:22,886 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 702 769) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,887 INFO L421 ceAbstractionStarter]: At program point L762(lines 711 763) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 09:47:22,887 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 702 769) no Hoare annotation was computed. [2018-11-18 09:47:22,887 INFO L421 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:47:22,887 INFO L425 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-11-18 09:47:22,887 INFO L421 ceAbstractionStarter]: At program point L750-1(lines 742 757) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:47:22,887 INFO L425 ceAbstractionStarter]: For program point L713(lines 712 761) no Hoare annotation was computed. [2018-11-18 09:47:22,887 INFO L421 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:47:22,887 INFO L425 ceAbstractionStarter]: For program point L742(lines 742 757) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L421 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L421 ceAbstractionStarter]: At program point L759(lines 712 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:47:22,888 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point L712-1(lines 712 761) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 702 769) no Hoare annotation was computed. [2018-11-18 09:47:22,888 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-18 09:47:22,889 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-11-18 09:47:22,889 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-18 09:47:22,889 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:47:22,889 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 09:47:22,889 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:47:22,889 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2018-11-18 09:47:22,889 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-18 09:47:22,889 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-18 09:47:22,889 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2018-11-18 09:47:22,889 INFO L425 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L421 ceAbstractionStarter]: At program point L792(line 792) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 09:47:22,890 INFO L421 ceAbstractionStarter]: At program point L790(lines 790 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 09:47:22,890 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 09:47:22,890 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 776 802) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point L783(lines 779 801) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point L781(lines 779 801) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 776 802) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 776 802) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 602 631) no Hoare annotation was computed. [2018-11-18 09:47:22,890 INFO L425 ceAbstractionStarter]: For program point L616(lines 616 620) no Hoare annotation was computed. [2018-11-18 09:47:22,891 INFO L428 ceAbstractionStarter]: At program point L616-1(lines 616 620) the Hoare annotation is: true [2018-11-18 09:47:22,891 INFO L425 ceAbstractionStarter]: For program point L612-1(lines 612 626) no Hoare annotation was computed. [2018-11-18 09:47:22,891 INFO L428 ceAbstractionStarter]: At program point L612-3(lines 612 626) the Hoare annotation is: true [2018-11-18 09:47:22,891 INFO L428 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: true [2018-11-18 09:47:22,891 INFO L425 ceAbstractionStarter]: For program point L608-1(line 608) no Hoare annotation was computed. [2018-11-18 09:47:22,891 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 602 631) the Hoare annotation is: true [2018-11-18 09:47:22,891 INFO L428 ceAbstractionStarter]: At program point L627(lines 602 631) the Hoare annotation is: true [2018-11-18 09:47:22,891 INFO L425 ceAbstractionStarter]: For program point L623(line 623) no Hoare annotation was computed. [2018-11-18 09:47:22,891 INFO L425 ceAbstractionStarter]: For program point L613(line 613) no Hoare annotation was computed. [2018-11-18 09:47:22,891 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-11-18 09:47:22,891 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 657 663) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 657 663) the Hoare annotation is: true [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 09:47:22,892 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 942 949) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 942 949) the Hoare annotation is: true [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 942 949) no Hoare annotation was computed. [2018-11-18 09:47:22,892 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-11-18 09:47:22,893 INFO L425 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-11-18 09:47:22,893 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2018-11-18 09:47:22,893 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-11-18 09:47:22,893 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-11-18 09:47:22,893 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-11-18 09:47:22,893 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-18 09:47:22,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:47:22 BoogieIcfgContainer [2018-11-18 09:47:22,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:47:22,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:47:22,904 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:47:22,905 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:47:22,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:47:21" (3/4) ... [2018-11-18 09:47:22,908 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:47:22,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:47:22,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:47:22,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:47:22,914 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:47:22,915 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:47:22,916 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:47:22,917 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:47:22,926 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 09:47:22,927 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:47:22,927 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:47:22,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-18 09:47:22,948 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 09:47:22,980 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b813c62-2d69-435f-baee-973e1358e1d0/bin-2019/utaipan/witness.graphml [2018-11-18 09:47:22,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:47:22,981 INFO L168 Benchmark]: Toolchain (without parser) took 2903.34 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 955.5 MB in the beginning and 1.2 GB in the end (delta: -206.0 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:47:22,982 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:47:22,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:47:22,982 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:47:22,983 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:47:22,983 INFO L168 Benchmark]: RCFGBuilder took 541.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:47:22,983 INFO L168 Benchmark]: TraceAbstraction took 1882.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.8 MB). Peak memory consumption was 263.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:47:22,983 INFO L168 Benchmark]: Witness Printer took 76.30 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:47:22,985 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.0 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 541.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 59.2 MB). Peak memory consumption was 59.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1882.06 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -84.8 MB). Peak memory consumption was 263.9 MB. Max. memory is 11.5 GB. * Witness Printer took 76.30 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 612]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 547 SDtfs, 312 SDslu, 833 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=3, 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 27604 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...