./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62215579489c65348c20dcb35d4d11bc17ff5b74 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:47:04,478 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:47:04,480 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:47:04,493 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:47:04,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:47:04,495 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:47:04,496 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:47:04,498 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:47:04,501 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:47:04,502 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:47:04,503 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:47:04,503 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:47:04,504 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:47:04,506 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:47:04,507 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:47:04,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:47:04,509 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:47:04,511 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:47:04,513 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:47:04,515 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:47:04,516 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:47:04,518 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:47:04,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:47:04,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:47:04,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:47:04,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:47:04,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:47:04,525 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:47:04,526 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:47:04,530 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:47:04,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:47:04,533 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:47:04,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:47:04,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:47:04,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:47:04,539 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:47:04,539 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:47:04,569 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:47:04,570 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:47:04,571 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:47:04,571 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:47:04,573 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:47:04,574 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:47:04,574 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:47:04,574 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:47:04,574 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:47:04,575 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:47:04,575 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:47:04,576 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:47:04,576 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:47:04,576 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:47:04,577 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:47:04,577 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:47:04,577 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:47:04,577 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:47:04,577 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:47:04,578 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:47:04,579 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:47:04,580 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:47:04,580 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:47:04,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:47:04,580 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:47:04,580 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:47:04,581 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:47:04,581 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:47:04,582 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:47:04,582 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:47:04,582 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2018-11-28 18:47:04,643 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:47:04,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:47:04,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:47:04,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:47:04,667 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:47:04,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:04,738 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b7728bb/0ea6894b666c4aaca61e3c4cde55a07c/FLAGddd976a3d [2018-11-28 18:47:05,264 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:47:05,265 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:05,285 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b7728bb/0ea6894b666c4aaca61e3c4cde55a07c/FLAGddd976a3d [2018-11-28 18:47:05,573 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b7728bb/0ea6894b666c4aaca61e3c4cde55a07c [2018-11-28 18:47:05,576 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:47:05,578 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:47:05,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:05,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:47:05,583 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:47:05,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:47:05" (1/1) ... [2018-11-28 18:47:05,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e34a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:05, skipping insertion in model container [2018-11-28 18:47:05,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:47:05" (1/1) ... [2018-11-28 18:47:05,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:47:05,655 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:47:06,041 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:06,063 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:47:06,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:06,327 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:47:06,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06 WrapperNode [2018-11-28 18:47:06,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:06,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:06,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:47:06,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:47:06,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:06,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:47:06,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:47:06,378 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:47:06,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,427 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:47:06,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:47:06,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:47:06,442 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:47:06,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-28 18:47:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:47:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:47:06,499 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:06,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:06,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:47:06,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:47:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:47:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:47:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:47:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:47:06,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:47:06,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:47:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:47:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:47:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:47:06,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:47:06,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:47:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:47:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:47:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:06,503 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:47:06,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:47:06,504 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:47:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:47:06,504 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:47:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:47:06,504 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:47:06,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:47:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:47:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:47:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:47:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:47:06,505 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:47:06,505 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:47:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:47:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:47:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:47:06,506 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:47:06,506 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:47:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:47:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:47:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:47:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:06,507 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:47:06,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:47:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:47:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:47:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:47:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:47:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:47:06,508 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:47:06,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:47:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:47:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:47:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:47:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:47:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:47:06,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:47:06,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:47:06,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:47:07,729 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:47:07,730 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:47:07,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:07 BoogieIcfgContainer [2018-11-28 18:47:07,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:47:07,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:47:07,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:47:07,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:47:07,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:47:05" (1/3) ... [2018-11-28 18:47:07,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487f799e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:47:07, skipping insertion in model container [2018-11-28 18:47:07,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (2/3) ... [2018-11-28 18:47:07,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@487f799e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:47:07, skipping insertion in model container [2018-11-28 18:47:07,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:07" (3/3) ... [2018-11-28 18:47:07,740 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product61_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:07,751 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:47:07,761 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:47:07,779 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:47:07,815 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:47:07,816 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:47:07,816 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:47:07,816 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:47:07,816 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:47:07,817 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:47:07,817 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:47:07,817 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:47:07,817 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:47:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-28 18:47:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:47:07,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:07,856 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:07,859 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:07,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:07,866 INFO L82 PathProgramCache]: Analyzing trace with hash 414454525, now seen corresponding path program 1 times [2018-11-28 18:47:07,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:07,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:07,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:07,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:07,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:08,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:08,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:08,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:47:08,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:47:08,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:47:08,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:47:08,279 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-28 18:47:08,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:08,339 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-11-28 18:47:08,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:47:08,341 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:47:08,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:08,356 INFO L225 Difference]: With dead ends: 306 [2018-11-28 18:47:08,356 INFO L226 Difference]: Without dead ends: 153 [2018-11-28 18:47:08,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:47:08,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-28 18:47:08,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-28 18:47:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-28 18:47:08,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-11-28 18:47:08,461 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 46 [2018-11-28 18:47:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:08,462 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-11-28 18:47:08,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:47:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-11-28 18:47:08,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:47:08,468 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:08,468 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:08,469 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:08,469 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:08,469 INFO L82 PathProgramCache]: Analyzing trace with hash -369712952, now seen corresponding path program 1 times [2018-11-28 18:47:08,469 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:08,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:08,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:08,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:08,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:08,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:08,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:47:08,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:47:08,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:47:08,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:08,643 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-11-28 18:47:08,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:08,685 INFO L93 Difference]: Finished difference Result 255 states and 301 transitions. [2018-11-28 18:47:08,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:47:08,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:47:08,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:08,688 INFO L225 Difference]: With dead ends: 255 [2018-11-28 18:47:08,688 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 18:47:08,691 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:08,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 18:47:08,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 18:47:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 18:47:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-11-28 18:47:08,723 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 47 [2018-11-28 18:47:08,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:08,724 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-11-28 18:47:08,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:47:08,724 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-11-28 18:47:08,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:47:08,728 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:08,728 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:08,731 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:08,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash 928795825, now seen corresponding path program 1 times [2018-11-28 18:47:08,732 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:08,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:08,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:09,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:09,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:47:09,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:47:09,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:47:09,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:47:09,050 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-11-28 18:47:10,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:10,016 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-11-28 18:47:10,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:47:10,016 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:47:10,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:10,019 INFO L225 Difference]: With dead ends: 264 [2018-11-28 18:47:10,019 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 18:47:10,021 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:10,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 18:47:10,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 18:47:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 18:47:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-28 18:47:10,037 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 51 [2018-11-28 18:47:10,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:10,037 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-28 18:47:10,038 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:47:10,038 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-28 18:47:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 18:47:10,041 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:10,041 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:10,041 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:10,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:10,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1654083998, now seen corresponding path program 1 times [2018-11-28 18:47:10,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:10,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:10,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:10,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:10,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:10,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:10,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:47:10,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:47:10,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:47:10,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:47:10,213 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-11-28 18:47:11,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:11,881 INFO L93 Difference]: Finished difference Result 376 states and 452 transitions. [2018-11-28 18:47:11,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:47:11,882 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 18:47:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:11,885 INFO L225 Difference]: With dead ends: 376 [2018-11-28 18:47:11,885 INFO L226 Difference]: Without dead ends: 256 [2018-11-28 18:47:11,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:47:11,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-11-28 18:47:11,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 238. [2018-11-28 18:47:11,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-28 18:47:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 268 transitions. [2018-11-28 18:47:11,921 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 268 transitions. Word has length 69 [2018-11-28 18:47:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:11,922 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 268 transitions. [2018-11-28 18:47:11,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:47:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 268 transitions. [2018-11-28 18:47:11,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 18:47:11,925 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:11,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:11,926 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:11,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:11,926 INFO L82 PathProgramCache]: Analyzing trace with hash -548786926, now seen corresponding path program 1 times [2018-11-28 18:47:11,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:11,926 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:11,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:11,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:11,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:12,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:12,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:47:12,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:47:12,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:47:12,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:12,207 INFO L87 Difference]: Start difference. First operand 238 states and 268 transitions. Second operand 10 states. [2018-11-28 18:47:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:13,054 INFO L93 Difference]: Finished difference Result 771 states and 939 transitions. [2018-11-28 18:47:13,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:47:13,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 83 [2018-11-28 18:47:13,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:13,062 INFO L225 Difference]: With dead ends: 771 [2018-11-28 18:47:13,062 INFO L226 Difference]: Without dead ends: 557 [2018-11-28 18:47:13,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-11-28 18:47:13,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 547. [2018-11-28 18:47:13,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-11-28 18:47:13,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 636 transitions. [2018-11-28 18:47:13,138 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 636 transitions. Word has length 83 [2018-11-28 18:47:13,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:13,138 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 636 transitions. [2018-11-28 18:47:13,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:47:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 636 transitions. [2018-11-28 18:47:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 18:47:13,142 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:13,143 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:13,143 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:13,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:13,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1012913959, now seen corresponding path program 1 times [2018-11-28 18:47:13,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:13,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:13,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:13,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:13,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:13,573 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 18:47:13,573 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:13,573 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:13,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:13,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:15,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:15,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-28 18:47:15,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:47:15,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:47:15,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:47:15,065 INFO L87 Difference]: Start difference. First operand 547 states and 636 transitions. Second operand 12 states. [2018-11-28 18:47:19,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:19,293 INFO L93 Difference]: Finished difference Result 1537 states and 2043 transitions. [2018-11-28 18:47:19,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-28 18:47:19,294 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 162 [2018-11-28 18:47:19,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:19,303 INFO L225 Difference]: With dead ends: 1537 [2018-11-28 18:47:19,303 INFO L226 Difference]: Without dead ends: 1014 [2018-11-28 18:47:19,306 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-28 18:47:19,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2018-11-28 18:47:19,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 932. [2018-11-28 18:47:19,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 932 states. [2018-11-28 18:47:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1131 transitions. [2018-11-28 18:47:19,391 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1131 transitions. Word has length 162 [2018-11-28 18:47:19,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:19,392 INFO L480 AbstractCegarLoop]: Abstraction has 932 states and 1131 transitions. [2018-11-28 18:47:19,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:47:19,392 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1131 transitions. [2018-11-28 18:47:19,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-28 18:47:19,397 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:19,397 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:19,398 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:19,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:19,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1409272944, now seen corresponding path program 1 times [2018-11-28 18:47:19,400 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:19,400 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:19,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:19,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:19,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:19,803 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 18:47:19,804 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:19,804 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:19,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:19,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 18:47:20,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:20,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:47:20,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:47:20,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:47:20,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:47:20,028 INFO L87 Difference]: Start difference. First operand 932 states and 1131 transitions. Second operand 11 states. [2018-11-28 18:47:20,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:20,161 INFO L93 Difference]: Finished difference Result 1658 states and 2062 transitions. [2018-11-28 18:47:20,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:47:20,163 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2018-11-28 18:47:20,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:20,168 INFO L225 Difference]: With dead ends: 1658 [2018-11-28 18:47:20,168 INFO L226 Difference]: Without dead ends: 750 [2018-11-28 18:47:20,171 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:47:20,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2018-11-28 18:47:20,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 750. [2018-11-28 18:47:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 750 states. [2018-11-28 18:47:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 901 transitions. [2018-11-28 18:47:20,230 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 901 transitions. Word has length 146 [2018-11-28 18:47:20,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:20,230 INFO L480 AbstractCegarLoop]: Abstraction has 750 states and 901 transitions. [2018-11-28 18:47:20,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:47:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 901 transitions. [2018-11-28 18:47:20,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-28 18:47:20,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:20,233 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:20,233 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:20,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:20,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1442480151, now seen corresponding path program 1 times [2018-11-28 18:47:20,233 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:20,233 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:20,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:20,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:20,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:21,180 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:47:21,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:21,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:47:21,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:47:21,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:47:21,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:47:21,182 INFO L87 Difference]: Start difference. First operand 750 states and 901 transitions. Second operand 9 states. [2018-11-28 18:47:24,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:24,329 INFO L93 Difference]: Finished difference Result 2009 states and 2473 transitions. [2018-11-28 18:47:24,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:47:24,332 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2018-11-28 18:47:24,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:24,342 INFO L225 Difference]: With dead ends: 2009 [2018-11-28 18:47:24,342 INFO L226 Difference]: Without dead ends: 1283 [2018-11-28 18:47:24,346 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:24,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1283 states. [2018-11-28 18:47:24,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1283 to 1280. [2018-11-28 18:47:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1280 states. [2018-11-28 18:47:24,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 1280 states and 1524 transitions. [2018-11-28 18:47:24,437 INFO L78 Accepts]: Start accepts. Automaton has 1280 states and 1524 transitions. Word has length 150 [2018-11-28 18:47:24,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:24,439 INFO L480 AbstractCegarLoop]: Abstraction has 1280 states and 1524 transitions. [2018-11-28 18:47:24,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:47:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 1524 transitions. [2018-11-28 18:47:24,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 18:47:24,443 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:24,444 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:24,444 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:24,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:24,444 INFO L82 PathProgramCache]: Analyzing trace with hash 840093701, now seen corresponding path program 1 times [2018-11-28 18:47:24,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:24,453 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:24,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:24,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:24,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 7 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 18:47:24,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:24,909 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:24,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:25,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:25,283 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:47:25,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:25,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:47:25,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:47:25,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:47:25,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:25,304 INFO L87 Difference]: Start difference. First operand 1280 states and 1524 transitions. Second operand 19 states. [2018-11-28 18:47:26,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:26,646 INFO L93 Difference]: Finished difference Result 2371 states and 2869 transitions. [2018-11-28 18:47:26,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:47:26,647 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2018-11-28 18:47:26,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:26,656 INFO L225 Difference]: With dead ends: 2371 [2018-11-28 18:47:26,657 INFO L226 Difference]: Without dead ends: 1243 [2018-11-28 18:47:26,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:47:26,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-11-28 18:47:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1240. [2018-11-28 18:47:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-11-28 18:47:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1469 transitions. [2018-11-28 18:47:26,750 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1469 transitions. Word has length 154 [2018-11-28 18:47:26,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:26,751 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1469 transitions. [2018-11-28 18:47:26,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:47:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1469 transitions. [2018-11-28 18:47:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-28 18:47:26,753 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:26,754 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:26,754 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:26,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:26,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1950280525, now seen corresponding path program 2 times [2018-11-28 18:47:26,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:26,755 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:26,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:26,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:26,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-28 18:47:27,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:27,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:47:27,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:47:27,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:47:27,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:47:27,155 INFO L87 Difference]: Start difference. First operand 1240 states and 1469 transitions. Second operand 6 states. [2018-11-28 18:47:28,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:28,781 INFO L93 Difference]: Finished difference Result 1265 states and 1498 transitions. [2018-11-28 18:47:28,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:47:28,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-11-28 18:47:28,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:28,790 INFO L225 Difference]: With dead ends: 1265 [2018-11-28 18:47:28,790 INFO L226 Difference]: Without dead ends: 1262 [2018-11-28 18:47:28,791 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:47:28,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2018-11-28 18:47:28,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1240. [2018-11-28 18:47:28,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1240 states. [2018-11-28 18:47:28,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1240 states and 1461 transitions. [2018-11-28 18:47:28,883 INFO L78 Accepts]: Start accepts. Automaton has 1240 states and 1461 transitions. Word has length 154 [2018-11-28 18:47:28,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:28,883 INFO L480 AbstractCegarLoop]: Abstraction has 1240 states and 1461 transitions. [2018-11-28 18:47:28,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:47:28,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1461 transitions. [2018-11-28 18:47:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 18:47:28,889 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:28,889 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:28,890 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:28,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:28,890 INFO L82 PathProgramCache]: Analyzing trace with hash -327634403, now seen corresponding path program 1 times [2018-11-28 18:47:28,890 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:28,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:28,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:28,891 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 18:47:28,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:29,551 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-28 18:47:29,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:29,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:47:29,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:47:29,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:47:29,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:47:29,553 INFO L87 Difference]: Start difference. First operand 1240 states and 1461 transitions. Second operand 9 states. [2018-11-28 18:47:29,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:29,727 INFO L93 Difference]: Finished difference Result 2352 states and 2805 transitions. [2018-11-28 18:47:29,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:47:29,731 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 172 [2018-11-28 18:47:29,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:29,740 INFO L225 Difference]: With dead ends: 2352 [2018-11-28 18:47:29,740 INFO L226 Difference]: Without dead ends: 1264 [2018-11-28 18:47:29,744 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:29,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2018-11-28 18:47:29,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1255. [2018-11-28 18:47:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1255 states. [2018-11-28 18:47:29,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions. [2018-11-28 18:47:29,853 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 172 [2018-11-28 18:47:29,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:29,853 INFO L480 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions. [2018-11-28 18:47:29,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:47:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions. [2018-11-28 18:47:29,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-28 18:47:29,858 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:29,858 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:29,860 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:29,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:29,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1916348895, now seen corresponding path program 1 times [2018-11-28 18:47:29,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:29,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:29,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:29,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:29,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:30,163 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-28 18:47:30,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:30,164 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:30,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:30,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:30,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:30,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 18:47:30,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:30,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:30,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:30,653 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand 14 states. [2018-11-28 18:47:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:33,174 INFO L93 Difference]: Finished difference Result 2484 states and 3056 transitions. [2018-11-28 18:47:33,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 18:47:33,175 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 172 [2018-11-28 18:47:33,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:33,186 INFO L225 Difference]: With dead ends: 2484 [2018-11-28 18:47:33,186 INFO L226 Difference]: Without dead ends: 1381 [2018-11-28 18:47:33,191 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2018-11-28 18:47:33,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2018-11-28 18:47:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1225. [2018-11-28 18:47:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1225 states. [2018-11-28 18:47:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1440 transitions. [2018-11-28 18:47:33,283 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1440 transitions. Word has length 172 [2018-11-28 18:47:33,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:33,284 INFO L480 AbstractCegarLoop]: Abstraction has 1225 states and 1440 transitions. [2018-11-28 18:47:33,284 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1440 transitions. [2018-11-28 18:47:33,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-28 18:47:33,290 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:33,290 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:33,290 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:33,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:33,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1548542198, now seen corresponding path program 2 times [2018-11-28 18:47:33,291 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:33,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:33,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:33,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:33,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 45 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-28 18:47:33,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:33,789 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:33,799 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 18:47:34,006 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 18:47:34,006 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 18:47:34,014 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-28 18:47:34,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:34,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 14 [2018-11-28 18:47:34,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:34,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:34,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:34,216 INFO L87 Difference]: Start difference. First operand 1225 states and 1440 transitions. Second operand 14 states. [2018-11-28 18:47:35,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:35,802 INFO L93 Difference]: Finished difference Result 1976 states and 2341 transitions. [2018-11-28 18:47:35,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-28 18:47:35,802 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2018-11-28 18:47:35,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:35,803 INFO L225 Difference]: With dead ends: 1976 [2018-11-28 18:47:35,804 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:47:35,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-11-28 18:47:35,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:47:35,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:47:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:47:35,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:47:35,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 241 [2018-11-28 18:47:35,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:35,810 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:47:35,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:35,810 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:47:35,810 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:47:35,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:47:36,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:36,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:37,101 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 19 [2018-11-28 18:47:37,312 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 1 [2018-11-28 18:47:39,590 WARN L180 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 63 DAG size of output: 28 [2018-11-28 18:47:39,874 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-11-28 18:47:41,195 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-11-28 18:47:41,572 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2018-11-28 18:47:41,784 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 22 [2018-11-28 18:47:42,097 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 37 [2018-11-28 18:47:42,237 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 29 [2018-11-28 18:47:42,477 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 30 [2018-11-28 18:47:42,764 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2018-11-28 18:47:43,163 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2018-11-28 18:47:43,345 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2018-11-28 18:47:43,598 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2018-11-28 18:47:43,825 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2018-11-28 18:47:44,236 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2018-11-28 18:47:44,881 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 24 [2018-11-28 18:47:45,290 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-28 18:47:45,526 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-11-28 18:47:46,156 WARN L180 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 43 [2018-11-28 18:47:46,392 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 24 [2018-11-28 18:47:46,395 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-28 18:47:46,395 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-28 18:47:46,395 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-28 18:47:46,395 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-28 18:47:46,395 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-28 18:47:46,396 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 510 534) the Hoare annotation is: true [2018-11-28 18:47:46,396 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 510 534) no Hoare annotation was computed. [2018-11-28 18:47:46,396 INFO L444 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,396 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 528) no Hoare annotation was computed. [2018-11-28 18:47:46,396 INFO L444 ceAbstractionStarter]: At program point L520(line 520) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,396 INFO L448 ceAbstractionStarter]: For program point L520-1(line 520) no Hoare annotation was computed. [2018-11-28 18:47:46,396 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 531) no Hoare annotation was computed. [2018-11-28 18:47:46,396 INFO L448 ceAbstractionStarter]: For program point L518-1(lines 510 534) no Hoare annotation was computed. [2018-11-28 18:47:46,397 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-11-28 18:47:46,397 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-11-28 18:47:46,397 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 974 996) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,397 INFO L444 ceAbstractionStarter]: At program point L986(line 986) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,397 INFO L444 ceAbstractionStarter]: At program point L986-1(line 986) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~11 ~systemActive~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,397 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 974 996) no Hoare annotation was computed. [2018-11-28 18:47:46,397 INFO L448 ceAbstractionStarter]: For program point L984(lines 984 991) no Hoare annotation was computed. [2018-11-28 18:47:46,397 INFO L448 ceAbstractionStarter]: For program point L984-1(lines 984 991) no Hoare annotation was computed. [2018-11-28 18:47:46,397 INFO L448 ceAbstractionStarter]: For program point L982(line 982) no Hoare annotation was computed. [2018-11-28 18:47:46,398 INFO L444 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,398 INFO L444 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,398 INFO L444 ceAbstractionStarter]: At program point L980-1(line 980) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,398 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 974 996) no Hoare annotation was computed. [2018-11-28 18:47:46,398 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (= |old(~pumpRunning~0)| 0) .cse2 .cse3) (or .cse0 .cse2 (< ~waterLevel~0 2) .cse3))) [2018-11-28 18:47:46,398 INFO L448 ceAbstractionStarter]: For program point L178-1(lines 159 183) no Hoare annotation was computed. [2018-11-28 18:47:46,398 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 159 183) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:47:46,399 INFO L444 ceAbstractionStarter]: At program point L173(line 173) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:46,399 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 159 183) no Hoare annotation was computed. [2018-11-28 18:47:46,399 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,399 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 175) no Hoare annotation was computed. [2018-11-28 18:47:46,399 INFO L444 ceAbstractionStarter]: At program point L165(line 165) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,399 INFO L448 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-28 18:47:46,399 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 180) no Hoare annotation was computed. [2018-11-28 18:47:46,399 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 254 262) no Hoare annotation was computed. [2018-11-28 18:47:46,399 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 254 262) the Hoare annotation is: true [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 254 262) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 318 336) the Hoare annotation is: true [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 331) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 318 336) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 318 336) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-28 18:47:46,400 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-28 18:47:46,401 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 964 973) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,401 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 964 973) no Hoare annotation was computed. [2018-11-28 18:47:46,401 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 964 973) no Hoare annotation was computed. [2018-11-28 18:47:46,401 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 243 253) the Hoare annotation is: true [2018-11-28 18:47:46,401 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 243 253) no Hoare annotation was computed. [2018-11-28 18:47:46,401 INFO L451 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: true [2018-11-28 18:47:46,401 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-11-28 18:47:46,401 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 243 253) no Hoare annotation was computed. [2018-11-28 18:47:46,401 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 235 242) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 18:47:46,401 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 235 242) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 235 242) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 486 499) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 486 499) the Hoare annotation is: true [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 486 499) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 201) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L444 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point L191-1(line 191) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 206) no Hoare annotation was computed. [2018-11-28 18:47:46,402 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 185 209) no Hoare annotation was computed. [2018-11-28 18:47:46,403 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 185 209) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,403 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or .cse4 .cse3 (< ~waterLevel~0 2) .cse5))) [2018-11-28 18:47:46,403 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 185 209) no Hoare annotation was computed. [2018-11-28 18:47:46,403 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:47:46,403 INFO L444 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse0 .cse1 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 18:47:46,403 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 125 131) no Hoare annotation was computed. [2018-11-28 18:47:46,404 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 125 131) the Hoare annotation is: true [2018-11-28 18:47:46,404 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-11-28 18:47:46,404 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 341 404) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,404 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 341 404) no Hoare annotation was computed. [2018-11-28 18:47:46,404 INFO L444 ceAbstractionStarter]: At program point L397(lines 350 398) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:47:46,404 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 391) no Hoare annotation was computed. [2018-11-28 18:47:46,404 INFO L444 ceAbstractionStarter]: At program point L387-2(lines 381 392) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse2) (and .cse0 .cse4 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse5 .cse3 .cse2))) [2018-11-28 18:47:46,404 INFO L448 ceAbstractionStarter]: For program point L352(lines 351 396) no Hoare annotation was computed. [2018-11-28 18:47:46,404 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 392) no Hoare annotation was computed. [2018-11-28 18:47:46,405 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1))) [2018-11-28 18:47:46,405 INFO L448 ceAbstractionStarter]: For program point L371(lines 371 377) no Hoare annotation was computed. [2018-11-28 18:47:46,405 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 371 377) no Hoare annotation was computed. [2018-11-28 18:47:46,405 INFO L444 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1))) [2018-11-28 18:47:46,405 INFO L444 ceAbstractionStarter]: At program point L394(lines 351 396) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 2 ~waterLevel~0) .cse1) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1))) [2018-11-28 18:47:46,405 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 367) no Hoare annotation was computed. [2018-11-28 18:47:46,405 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 361 367) no Hoare annotation was computed. [2018-11-28 18:47:46,405 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 341 404) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 210 217) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 210 217) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 210 217) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 500 508) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 500 508) the Hoare annotation is: true [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 500 508) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 231) no Hoare annotation was computed. [2018-11-28 18:47:46,406 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point L223-1(line 223) no Hoare annotation was computed. [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 218 234) no Hoare annotation was computed. [2018-11-28 18:47:46,407 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 218 234) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-28 18:47:46,407 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 218 234) no Hoare annotation was computed. [2018-11-28 18:47:46,407 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 477 485) the Hoare annotation is: true [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 477 485) no Hoare annotation was computed. [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 477 485) no Hoare annotation was computed. [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-11-28 18:47:46,407 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2018-11-28 18:47:46,408 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2018-11-28 18:47:46,408 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2018-11-28 18:47:46,408 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-11-28 18:47:46,408 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-11-28 18:47:46,408 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2018-11-28 18:47:46,408 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 433 444) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 (or (< ~waterLevel~0 2) .cse2)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2) (or .cse0 .cse3 .cse2 (not (= ~waterLevel~0 1)) .cse1))) [2018-11-28 18:47:46,408 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 433 444) no Hoare annotation was computed. [2018-11-28 18:47:46,408 INFO L448 ceAbstractionStarter]: For program point L437-1(lines 433 444) no Hoare annotation was computed. [2018-11-28 18:47:46,408 INFO L451 ceAbstractionStarter]: At program point L928(lines 903 932) the Hoare annotation is: true [2018-11-28 18:47:46,409 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 903 932) no Hoare annotation was computed. [2018-11-28 18:47:46,409 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 903 932) the Hoare annotation is: true [2018-11-28 18:47:46,409 INFO L448 ceAbstractionStarter]: For program point L924(line 924) no Hoare annotation was computed. [2018-11-28 18:47:46,409 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 921) no Hoare annotation was computed. [2018-11-28 18:47:46,409 INFO L451 ceAbstractionStarter]: At program point L917-1(lines 917 921) the Hoare annotation is: true [2018-11-28 18:47:46,409 INFO L448 ceAbstractionStarter]: For program point L914(line 914) no Hoare annotation was computed. [2018-11-28 18:47:46,409 INFO L451 ceAbstractionStarter]: At program point L913-2(lines 913 927) the Hoare annotation is: true [2018-11-28 18:47:46,409 INFO L451 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: true [2018-11-28 18:47:46,409 INFO L448 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2018-11-28 18:47:46,409 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 445 453) the Hoare annotation is: true [2018-11-28 18:47:46,410 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 445 453) no Hoare annotation was computed. [2018-11-28 18:47:46,410 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 445 453) no Hoare annotation was computed. [2018-11-28 18:47:46,410 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse14 (= ~systemActive~0 1))) (let ((.cse12 (< |old(~waterLevel~0)| 2)) (.cse9 (not .cse14)) (.cse13 (+ ~waterLevel~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse11 (and .cse4 .cse5 .cse14 .cse3)) (.cse1 (<= .cse13 |old(~waterLevel~0)|)) (.cse2 (<= |old(~waterLevel~0)| .cse13)) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (or .cse12 .cse9))) (and (or .cse0 (and .cse1 (not (= |old(~pumpRunning~0)| 0)) .cse2 .cse3) (and .cse4 .cse5 .cse3) .cse6) (or .cse7 .cse8 .cse9 (not (= |old(~waterLevel~0)| 1)) .cse10) (or .cse11 (or .cse8 .cse9) .cse12 .cse10) (or .cse0 (<= 2 |old(~waterLevel~0)|) .cse8 (< |old(~waterLevel~0)| 1) .cse9 .cse7) (or .cse11 (and .cse1 .cse2 .cse3) .cse10 .cse6))))) [2018-11-28 18:47:46,410 INFO L444 ceAbstractionStarter]: At program point L112(lines 112 118) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (or (< |old(~waterLevel~0)| 2) .cse2)) (.cse4 (let ((.cse9 (+ ~waterLevel~0 1))) (and (<= .cse9 |old(~waterLevel~0)|) (not (= |old(~pumpRunning~0)| 0)) .cse8 (<= |old(~waterLevel~0)| .cse9))))) (and (or (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse7 .cse1 (< |old(~waterLevel~0)| 1) .cse2 (and .cse5 .cse0)) (or .cse7 (and .cse8 .cse0) .cse6 .cse4)))) [2018-11-28 18:47:46,410 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 101 124) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (or (< |old(~waterLevel~0)| 2) .cse2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse7))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse3 .cse6) (or .cse5 (<= 2 |old(~waterLevel~0)|) .cse1 (< |old(~waterLevel~0)| 1) .cse2 .cse0)))) [2018-11-28 18:47:46,410 INFO L444 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (or (< |old(~waterLevel~0)| 2) .cse5))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse6 .cse2)))) [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 101 124) no Hoare annotation was computed. [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point L105(lines 104 123) no Hoare annotation was computed. [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 101 124) no Hoare annotation was computed. [2018-11-28 18:47:46,411 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 409 420) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0))) [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 409 420) no Hoare annotation was computed. [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 409 420) no Hoare annotation was computed. [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 957 963) no Hoare annotation was computed. [2018-11-28 18:47:46,411 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 957 963) the Hoare annotation is: true [2018-11-28 18:47:46,411 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:46,412 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-28 18:47:46,412 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:47:46,412 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:46,412 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 133 157) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or .cse1 (or .cse0 .cse2) (< ~waterLevel~0 2) .cse3) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 18:47:46,412 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 133 157) no Hoare annotation was computed. [2018-11-28 18:47:46,412 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:47:46,412 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 133 157) no Hoare annotation was computed. [2018-11-28 18:47:46,412 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 18:47:46,413 INFO L444 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse0 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse0 .cse3))) [2018-11-28 18:47:46,413 INFO L448 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:47:46,413 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or .cse1 (or .cse0 .cse2) (< ~waterLevel~0 2) .cse3) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 18:47:46,413 INFO L448 ceAbstractionStarter]: For program point L139-1(line 139) no Hoare annotation was computed. [2018-11-28 18:47:46,413 INFO L448 ceAbstractionStarter]: For program point L137(lines 137 154) no Hoare annotation was computed. [2018-11-28 18:47:46,413 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 421 432) no Hoare annotation was computed. [2018-11-28 18:47:46,413 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 421 432) no Hoare annotation was computed. [2018-11-28 18:47:46,413 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 421 432) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (or .cse1 .cse2))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) (or .cse4 (<= 2 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) .cse0 .cse5) (or .cse2 .cse6 .cse7 .cse3) (or .cse4 .cse6 .cse7 .cse5)))) [2018-11-28 18:47:46,413 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:47:46,414 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:47:46,414 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:47:46,414 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:47:46,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:47:46 BoogieIcfgContainer [2018-11-28 18:47:46,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:47:46,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:47:46,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:47:46,429 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:47:46,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:07" (3/4) ... [2018-11-28 18:47:46,434 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:47:46,454 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:47:46,455 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:47:46,456 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:47:46,458 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:47:46,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:46,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:47:46,459 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:47:46,489 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 18:47:46,490 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:47:46,490 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:47:46,492 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:47:46,493 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:47:46,494 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:47:46,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(systemActive == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-28 18:47:46,537 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:47:46,618 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:47:46,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:47:46,621 INFO L168 Benchmark]: Toolchain (without parser) took 41042.54 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 452.5 MB). Free memory was 952.7 MB in the beginning and 1.3 GB in the end (delta: -303.9 MB). Peak memory consumption was 148.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:46,621 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:47:46,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:46,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:46,622 INFO L168 Benchmark]: Boogie Preprocessor took 63.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:47:46,624 INFO L168 Benchmark]: RCFGBuilder took 1288.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:46,625 INFO L168 Benchmark]: TraceAbstraction took 38697.66 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 344.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -230.8 MB). Peak memory consumption was 625.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:46,625 INFO L168 Benchmark]: Witness Printer took 189.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:46,629 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 748.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1288.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38697.66 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 344.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -230.8 MB). Peak memory consumption was 625.9 MB. Max. memory is 11.5 GB. * Witness Printer took 189.54 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: (((((!(systemActive == 1) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 913]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 350]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 903]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 38.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 18.5s AutomataDifference, 0.0s DeadEndRemovalTime, 10.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2626 SDtfs, 3102 SDslu, 9648 SDs, 0 SdLazy, 7240 SolverSat, 1392 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1086 GetRequests, 909 SyntacticMatches, 3 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 573 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1280occurred in iteration=8, 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: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 303 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3777 PreInvPairs, 3896 NumberOfFragments, 2258 HoareAnnotationTreeSize, 3777 FomulaSimplifications, 6920 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 69 FomulaSimplificationsInter, 18833 FormulaSimplificationTreeSizeReductionInter, 9.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 2522 NumberOfCodeBlocks, 2522 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2504 ConstructedInterpolants, 0 QuantifiedInterpolants, 621565 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4521 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 651/714 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...