./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/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 5f95caf83b1aeb224c615c1dcd2faa7bff4a2a72 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 03:59:21,402 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 03:59:21,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 03:59:21,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 03:59:21,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 03:59:21,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 03:59:21,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 03:59:21,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 03:59:21,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 03:59:21,418 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 03:59:21,419 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 03:59:21,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 03:59:21,420 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 03:59:21,421 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 03:59:21,423 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 03:59:21,423 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 03:59:21,424 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 03:59:21,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 03:59:21,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 03:59:21,429 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 03:59:21,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 03:59:21,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 03:59:21,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 03:59:21,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 03:59:21,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 03:59:21,435 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 03:59:21,436 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 03:59:21,436 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 03:59:21,437 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 03:59:21,439 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 03:59:21,439 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 03:59:21,440 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 03:59:21,440 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 03:59:21,440 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 03:59:21,441 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 03:59:21,442 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 03:59:21,443 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 03:59:21,455 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 03:59:21,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 03:59:21,456 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 03:59:21,456 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 03:59:21,456 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 03:59:21,456 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 03:59:21,457 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 03:59:21,457 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 03:59:21,457 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 03:59:21,457 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 03:59:21,457 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 03:59:21,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 03:59:21,459 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 03:59:21,459 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 03:59:21,459 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 03:59:21,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 03:59:21,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 03:59:21,460 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 03:59:21,460 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 03:59:21,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 03:59:21,461 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 03:59:21,461 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 03:59:21,461 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 03:59:21,461 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 03:59:21,461 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 03:59:21,461 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 03:59:21,461 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 03:59:21,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 03:59:21,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 03:59:21,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 03:59:21,463 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 03:59:21,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 03:59:21,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 03:59:21,463 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 03:59:21,463 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_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/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 -> 5f95caf83b1aeb224c615c1dcd2faa7bff4a2a72 [2018-11-10 03:59:21,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 03:59:21,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 03:59:21,501 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 03:59:21,502 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 03:59:21,503 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 03:59:21,503 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-10 03:59:21,547 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/data/fa8637531/3ef804195caa4dd7aac3b4550da7e6f3/FLAGdd093c768 [2018-11-10 03:59:21,951 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 03:59:21,951 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/sv-benchmarks/c/product-lines/minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-10 03:59:21,961 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/data/fa8637531/3ef804195caa4dd7aac3b4550da7e6f3/FLAGdd093c768 [2018-11-10 03:59:21,975 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/data/fa8637531/3ef804195caa4dd7aac3b4550da7e6f3 [2018-11-10 03:59:21,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 03:59:21,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 03:59:21,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 03:59:21,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 03:59:21,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 03:59:21,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:59:21" (1/1) ... [2018-11-10 03:59:21,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444825fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:21, skipping insertion in model container [2018-11-10 03:59:21,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:59:21" (1/1) ... [2018-11-10 03:59:21,991 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 03:59:22,028 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 03:59:22,257 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:59:22,268 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 03:59:22,335 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 03:59:22,363 INFO L193 MainTranslator]: Completed translation [2018-11-10 03:59:22,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22 WrapperNode [2018-11-10 03:59:22,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 03:59:22,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 03:59:22,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 03:59:22,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 03:59:22,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 03:59:22,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 03:59:22,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 03:59:22,480 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 03:59:22,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... [2018-11-10 03:59:22,512 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 03:59:22,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 03:59:22,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 03:59:22,513 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 03:59:22,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/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 [2018-11-10 03:59:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 03:59:22,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 03:59:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 03:59:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 03:59:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 03:59:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 03:59:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 03:59:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 03:59:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 03:59:22,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 03:59:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 03:59:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 03:59:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 03:59:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 03:59:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 03:59:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 03:59:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 03:59:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 03:59:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 03:59:22,568 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 03:59:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 03:59:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 03:59:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 03:59:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 03:59:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 03:59:22,569 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 03:59:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 03:59:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 03:59:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 03:59:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 03:59:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 03:59:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 03:59:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 03:59:22,572 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 03:59:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-10 03:59:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-10 03:59:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-10 03:59:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-10 03:59:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-10 03:59:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-10 03:59:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 03:59:22,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 03:59:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 03:59:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 03:59:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 03:59:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 03:59:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 03:59:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 03:59:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 03:59:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 03:59:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 03:59:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 03:59:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 03:59:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 03:59:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 03:59:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 03:59:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 03:59:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 03:59:23,232 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 03:59:23,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:59:23 BoogieIcfgContainer [2018-11-10 03:59:23,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 03:59:23,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 03:59:23,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 03:59:23,237 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 03:59:23,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:59:21" (1/3) ... [2018-11-10 03:59:23,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317c8d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:59:23, skipping insertion in model container [2018-11-10 03:59:23,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:59:22" (2/3) ... [2018-11-10 03:59:23,239 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@317c8d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:59:23, skipping insertion in model container [2018-11-10 03:59:23,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:59:23" (3/3) ... [2018-11-10 03:59:23,241 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product30_true-unreach-call_false-termination.cil.c [2018-11-10 03:59:23,248 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 03:59:23,255 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 03:59:23,268 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 03:59:23,295 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 03:59:23,295 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 03:59:23,296 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 03:59:23,296 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 03:59:23,296 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 03:59:23,296 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 03:59:23,296 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 03:59:23,296 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 03:59:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-10 03:59:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 03:59:23,322 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:59:23,323 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] [2018-11-10 03:59:23,325 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:59:23,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:59:23,331 INFO L82 PathProgramCache]: Analyzing trace with hash 991937069, now seen corresponding path program 1 times [2018-11-10 03:59:23,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:59:23,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:23,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:59:23,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:23,370 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:59:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:59:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 03:59:23,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:59:23,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 03:59:23,560 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:59:23,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 03:59:23,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 03:59:23,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 03:59:23,578 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-10 03:59:23,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:59:23,614 INFO L93 Difference]: Finished difference Result 272 states and 335 transitions. [2018-11-10 03:59:23,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 03:59:23,616 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-10 03:59:23,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:59:23,630 INFO L225 Difference]: With dead ends: 272 [2018-11-10 03:59:23,630 INFO L226 Difference]: Without dead ends: 138 [2018-11-10 03:59:23,634 INFO L605 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 [2018-11-10 03:59:23,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-10 03:59:23,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-10 03:59:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-10 03:59:23,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-10 03:59:23,683 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 59 [2018-11-10 03:59:23,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:59:23,683 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-10 03:59:23,684 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 03:59:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-10 03:59:23,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 03:59:23,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:59:23,687 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] [2018-11-10 03:59:23,688 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:59:23,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:59:23,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1515581562, now seen corresponding path program 1 times [2018-11-10 03:59:23,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:59:23,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:23,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:59:23,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:23,690 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:59:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:59:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 03:59:23,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:59:23,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 03:59:23,810 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:59:23,812 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 03:59:23,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 03:59:23,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 03:59:23,813 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-11-10 03:59:23,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:59:23,843 INFO L93 Difference]: Finished difference Result 215 states and 251 transitions. [2018-11-10 03:59:23,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 03:59:23,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-10 03:59:23,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:59:23,846 INFO L225 Difference]: With dead ends: 215 [2018-11-10 03:59:23,846 INFO L226 Difference]: Without dead ends: 128 [2018-11-10 03:59:23,848 INFO L605 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 [2018-11-10 03:59:23,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-10 03:59:23,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-10 03:59:23,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-10 03:59:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2018-11-10 03:59:23,862 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 61 [2018-11-10 03:59:23,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:59:23,862 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2018-11-10 03:59:23,862 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 03:59:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2018-11-10 03:59:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-10 03:59:23,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:59:23,864 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] [2018-11-10 03:59:23,864 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:59:23,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:59:23,865 INFO L82 PathProgramCache]: Analyzing trace with hash -940514987, now seen corresponding path program 1 times [2018-11-10 03:59:23,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:59:23,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:23,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:59:23,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:23,866 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:59:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:59:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 03:59:24,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:59:24,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:59:24,017 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:59:24,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:59:24,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:59:24,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:59:24,018 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2018-11-10 03:59:24,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:59:24,346 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-11-10 03:59:24,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 03:59:24,347 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-10 03:59:24,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:59:24,349 INFO L225 Difference]: With dead ends: 228 [2018-11-10 03:59:24,349 INFO L226 Difference]: Without dead ends: 128 [2018-11-10 03:59:24,350 INFO L605 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 [2018-11-10 03:59:24,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-10 03:59:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-10 03:59:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-10 03:59:24,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2018-11-10 03:59:24,363 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 66 [2018-11-10 03:59:24,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:59:24,365 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2018-11-10 03:59:24,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:59:24,365 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2018-11-10 03:59:24,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-10 03:59:24,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 03:59:24,368 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 03:59:24,368 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 03:59:24,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 03:59:24,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1604370822, now seen corresponding path program 1 times [2018-11-10 03:59:24,369 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 03:59:24,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:24,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 03:59:24,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 03:59:24,370 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 03:59:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 03:59:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 03:59:24,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 03:59:24,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 03:59:24,497 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 03:59:24,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 03:59:24,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 03:59:24,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 03:59:24,498 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 7 states. [2018-11-10 03:59:24,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 03:59:24,813 INFO L93 Difference]: Finished difference Result 191 states and 226 transitions. [2018-11-10 03:59:24,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 03:59:24,815 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 79 [2018-11-10 03:59:24,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 03:59:24,816 INFO L225 Difference]: With dead ends: 191 [2018-11-10 03:59:24,816 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 03:59:24,817 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-10 03:59:24,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 03:59:24,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 03:59:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 03:59:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 03:59:24,818 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2018-11-10 03:59:24,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 03:59:24,818 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 03:59:24,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 03:59:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 03:59:24,819 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 03:59:24,823 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 03:59:25,316 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 400 406) the Hoare annotation is: true [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 400 406) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 407 415) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 407 415) the Hoare annotation is: true [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 407 415) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 331 338) the Hoare annotation is: true [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 331 338) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 331 338) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 339 348) the Hoare annotation is: true [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 339 348) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point L344(line 344) no Hoare annotation was computed. [2018-11-10 03:59:25,317 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 339 348) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 349 377) the Hoare annotation is: true [2018-11-10 03:59:25,318 INFO L421 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 349 377) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point L362(lines 362 368) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 371) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L428 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: true [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point L359-1(line 359) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point L357(lines 357 374) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point L357-1(lines 349 377) no Hoare annotation was computed. [2018-11-10 03:59:25,318 INFO L428 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2018-11-10 03:59:25,318 INFO L425 ceAbstractionStarter]: For program point L355-1(line 355) no Hoare annotation was computed. [2018-11-10 03:59:25,319 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 865 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,319 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 865 887) no Hoare annotation was computed. [2018-11-10 03:59:25,319 INFO L421 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-10 03:59:25,319 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 865 887) no Hoare annotation was computed. [2018-11-10 03:59:25,319 INFO L421 ceAbstractionStarter]: At program point L877-1(line 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-10 03:59:25,319 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 882) no Hoare annotation was computed. [2018-11-10 03:59:25,319 INFO L425 ceAbstractionStarter]: For program point L875-1(lines 875 882) no Hoare annotation was computed. [2018-11-10 03:59:25,319 INFO L425 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2018-11-10 03:59:25,319 INFO L421 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,320 INFO L421 ceAbstractionStarter]: At program point L871(line 871) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,320 INFO L421 ceAbstractionStarter]: At program point L871-1(line 871) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,320 INFO L421 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,320 INFO L425 ceAbstractionStarter]: For program point L96-1(line 96) no Hoare annotation was computed. [2018-11-10 03:59:25,320 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 111) no Hoare annotation was computed. [2018-11-10 03:59:25,320 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 90 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,320 INFO L421 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,320 INFO L425 ceAbstractionStarter]: For program point L109-1(lines 90 114) no Hoare annotation was computed. [2018-11-10 03:59:25,320 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 90 114) no Hoare annotation was computed. [2018-11-10 03:59:25,320 INFO L421 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,321 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point L98(lines 98 106) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 185 193) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 185 193) the Hoare annotation is: true [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 185 193) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 243) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L428 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: true [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point L239-2(lines 239 243) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point L237-1(line 237) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 230 248) the Hoare annotation is: true [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 230 248) no Hoare annotation was computed. [2018-11-10 03:59:25,321 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 230 248) no Hoare annotation was computed. [2018-11-10 03:59:25,322 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 393 399) no Hoare annotation was computed. [2018-11-10 03:59:25,322 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 393 399) the Hoare annotation is: true [2018-11-10 03:59:25,322 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 854 864) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,322 INFO L421 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,322 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 854 864) no Hoare annotation was computed. [2018-11-10 03:59:25,322 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 854 864) no Hoare annotation was computed. [2018-11-10 03:59:25,322 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 174 184) the Hoare annotation is: true [2018-11-10 03:59:25,322 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 174 184) no Hoare annotation was computed. [2018-11-10 03:59:25,322 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 174 184) no Hoare annotation was computed. [2018-11-10 03:59:25,322 INFO L428 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: true [2018-11-10 03:59:25,322 INFO L425 ceAbstractionStarter]: For program point L179-1(line 179) no Hoare annotation was computed. [2018-11-10 03:59:25,323 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 166 173) the Hoare annotation is: true [2018-11-10 03:59:25,323 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 166 173) no Hoare annotation was computed. [2018-11-10 03:59:25,323 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 166 173) no Hoare annotation was computed. [2018-11-10 03:59:25,323 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,323 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 132) no Hoare annotation was computed. [2018-11-10 03:59:25,323 INFO L421 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,323 INFO L425 ceAbstractionStarter]: For program point L122-1(line 122) no Hoare annotation was computed. [2018-11-10 03:59:25,323 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-11-10 03:59:25,323 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 116 140) no Hoare annotation was computed. [2018-11-10 03:59:25,324 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 116 140) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,324 INFO L421 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,324 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 116 140) no Hoare annotation was computed. [2018-11-10 03:59:25,324 INFO L421 ceAbstractionStarter]: At program point L130(line 130) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,324 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 82 88) no Hoare annotation was computed. [2018-11-10 03:59:25,324 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 82 88) the Hoare annotation is: true [2018-11-10 03:59:25,324 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 261 326) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,324 INFO L421 ceAbstractionStarter]: At program point L316(lines 271 318) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,324 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,324 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 261 326) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point L271-1(lines 271 318) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L421 ceAbstractionStarter]: At program point L319(lines 270 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 313) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L421 ceAbstractionStarter]: At program point L309-2(lines 301 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point L272(lines 271 318) no Hoare annotation was computed. [2018-11-10 03:59:25,325 INFO L421 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,325 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 314) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L421 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 261 326) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point L291-1(lines 291 297) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 968 976) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 968 976) the Hoare annotation is: true [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 968 976) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-10 03:59:25,326 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:59:25,326 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 959 967) the Hoare annotation is: true [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 959 967) no Hoare annotation was computed. [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 959 967) no Hoare annotation was computed. [2018-11-10 03:59:25,327 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 915 926) the Hoare annotation is: true [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point L919-1(lines 915 926) no Hoare annotation was computed. [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 915 926) no Hoare annotation was computed. [2018-11-10 03:59:25,327 INFO L421 ceAbstractionStarter]: At program point L64(line 64) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point L62(lines 58 80) no Hoare annotation was computed. [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point L60(lines 58 80) no Hoare annotation was computed. [2018-11-10 03:59:25,327 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 81) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,327 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 81) no Hoare annotation was computed. [2018-11-10 03:59:25,328 INFO L421 ceAbstractionStarter]: At program point L71(line 71) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,328 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 81) no Hoare annotation was computed. [2018-11-10 03:59:25,328 INFO L421 ceAbstractionStarter]: At program point L69(lines 69 75) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-10 03:59:25,328 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 927 935) the Hoare annotation is: true [2018-11-10 03:59:25,328 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 927 935) no Hoare annotation was computed. [2018-11-10 03:59:25,328 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 927 935) no Hoare annotation was computed. [2018-11-10 03:59:25,328 INFO L428 ceAbstractionStarter]: At program point L803-3(lines 803 817) the Hoare annotation is: true [2018-11-10 03:59:25,328 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 793 822) no Hoare annotation was computed. [2018-11-10 03:59:25,328 INFO L428 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: true [2018-11-10 03:59:25,328 INFO L425 ceAbstractionStarter]: For program point L799-1(line 799) no Hoare annotation was computed. [2018-11-10 03:59:25,328 INFO L428 ceAbstractionStarter]: At program point L818(lines 793 822) the Hoare annotation is: true [2018-11-10 03:59:25,328 INFO L425 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 793 822) the Hoare annotation is: true [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 811) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L428 ceAbstractionStarter]: At program point L807-1(lines 807 811) the Hoare annotation is: true [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point L803-1(lines 803 817) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 891 902) the Hoare annotation is: true [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point L895-1(lines 891 902) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 891 902) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-10 03:59:25,329 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 03:59:25,329 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 847 853) no Hoare annotation was computed. [2018-11-10 03:59:25,330 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 847 853) the Hoare annotation is: true [2018-11-10 03:59:25,330 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 249 256) no Hoare annotation was computed. [2018-11-10 03:59:25,330 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 249 256) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-10 03:59:25,330 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 249 256) no Hoare annotation was computed. [2018-11-10 03:59:25,330 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 903 914) no Hoare annotation was computed. [2018-11-10 03:59:25,330 INFO L425 ceAbstractionStarter]: For program point L907-1(lines 903 914) no Hoare annotation was computed. [2018-11-10 03:59:25,330 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 903 914) the Hoare annotation is: true [2018-11-10 03:59:25,330 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 783 790) no Hoare annotation was computed. [2018-11-10 03:59:25,330 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 783 790) the Hoare annotation is: true [2018-11-10 03:59:25,330 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 787) no Hoare annotation was computed. [2018-11-10 03:59:25,331 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 783 790) no Hoare annotation was computed. [2018-11-10 03:59:25,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 03:59:25 BoogieIcfgContainer [2018-11-10 03:59:25,340 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 03:59:25,340 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 03:59:25,340 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 03:59:25,340 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 03:59:25,341 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:59:23" (3/4) ... [2018-11-10 03:59:25,344 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 03:59:25,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 03:59:25,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 03:59:25,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-10 03:59:25,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-10 03:59:25,350 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 03:59:25,351 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 03:59:25,352 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 03:59:25,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 03:59:25,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 03:59:25,353 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 03:59:25,370 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 03:59:25,371 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 03:59:25,371 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 03:59:25,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) [2018-11-10 03:59:25,398 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-10 03:59:25,450 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_92a719ef-6b91-47aa-b5a8-6c4cdcdea5fe/bin-2019/utaipan/witness.graphml [2018-11-10 03:59:25,451 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 03:59:25,451 INFO L168 Benchmark]: Toolchain (without parser) took 3473.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.2 MB). Free memory was 957.5 MB in the beginning and 1.2 GB in the end (delta: -197.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,452 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 03:59:25,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 933.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 933.4 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,453 INFO L168 Benchmark]: Boogie Preprocessor took 32.99 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,454 INFO L168 Benchmark]: RCFGBuilder took 720.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.1 MB). Peak memory consumption was 90.1 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,454 INFO L168 Benchmark]: TraceAbstraction took 2106.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -138.6 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,454 INFO L168 Benchmark]: Witness Printer took 110.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-10 03:59:25,456 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 385.30 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 933.4 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 933.4 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.99 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 720.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.1 MB). Peak memory consumption was 90.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2106.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 84.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -138.6 MB). Peak memory consumption was 252.9 MB. Max. memory is 11.5 GB. * Witness Printer took 110.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 787]: 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: 803]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 793]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || ((0 == pumpRunning && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1) - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 538 SDtfs, 307 SDslu, 564 SDs, 0 SdLazy, 325 SolverSat, 122 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=151occurred in iteration=0, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 236 PreInvPairs, 244 NumberOfFragments, 461 HoareAnnotationTreeSize, 236 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 350 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 265 NumberOfCodeBlocks, 265 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 30412 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...