./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product58_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_spec2_product58_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 b6539c3f80a02f7679497281344dc3da1a82da6c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:45:02,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:45:02,476 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:45:02,492 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:45:02,492 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:45:02,493 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:45:02,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:45:02,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:45:02,499 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:45:02,500 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:45:02,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:45:02,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:45:02,502 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:45:02,503 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:45:02,505 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:45:02,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:45:02,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:45:02,509 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:45:02,512 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:45:02,514 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:45:02,515 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:45:02,517 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:45:02,520 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:45:02,520 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:45:02,520 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:45:02,521 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:45:02,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:45:02,524 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:45:02,525 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:45:02,526 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:45:02,526 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:45:02,527 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:45:02,527 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:45:02,527 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:45:02,528 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:45:02,530 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:45:02,530 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:45:02,546 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:45:02,546 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:45:02,547 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:45:02,547 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:45:02,548 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:45:02,548 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:45:02,548 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:45:02,549 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:45:02,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:45:02,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:45:02,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:45:02,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:45:02,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:45:02,550 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:45:02,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:45:02,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:45:02,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:45:02,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:45:02,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:45:02,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:45:02,553 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:45:02,553 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:45:02,553 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:45:02,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:45:02,554 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:45:02,554 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:45:02,554 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:45:02,554 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:45:02,554 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:45:02,555 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:45:02,556 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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-11-28 18:45:02,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:45:02,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:45:02,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:45:02,629 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:45:02,629 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:45:02,630 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:02,695 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2109fd8b8/4a2d2147c2734681b6694c8e215a03eb/FLAG3b813cfc8 [2018-11-28 18:45:03,268 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:45:03,269 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:03,286 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2109fd8b8/4a2d2147c2734681b6694c8e215a03eb/FLAG3b813cfc8 [2018-11-28 18:45:03,492 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2109fd8b8/4a2d2147c2734681b6694c8e215a03eb [2018-11-28 18:45:03,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:45:03,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:45:03,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:03,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:45:03,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:45:03,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:03" (1/1) ... [2018-11-28 18:45:03,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:03, skipping insertion in model container [2018-11-28 18:45:03,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:45:03" (1/1) ... [2018-11-28 18:45:03,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:45:03,576 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:45:04,001 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:04,016 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:45:04,158 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:45:04,293 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:45:04,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04 WrapperNode [2018-11-28 18:45:04,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:45:04,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:04,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:45:04,295 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:45:04,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:45:04,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:45:04,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:45:04,338 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:45:04,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,358 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (1/1) ... [2018-11-28 18:45:04,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:45:04,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:45:04,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:45:04,395 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:45:04,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (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 18:45:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:45:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:45:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:45:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:45:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:45:04,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:45:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:45:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:45:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:45:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:45:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:45:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:45:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:45:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:45:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:45:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:45:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:45:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:04,458 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:04,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:45:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:45:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:04,459 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:45:04,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:45:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:45:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:45:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:45:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:45:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:45:04,460 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:45:04,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:45:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:45:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:45:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:45:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:04,461 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:45:04,461 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:45:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:45:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:45:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:45:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:45:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:45:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:45:04,462 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:45:04,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:45:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:45:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:45:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:45:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:45:04,463 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:45:04,463 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:45:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:45:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:45:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:45:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:45:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:45:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:45:04,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:45:04,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:45:04,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:45:05,675 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:45:05,676 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:45:05,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:05 BoogieIcfgContainer [2018-11-28 18:45:05,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:45:05,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:45:05,678 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:45:05,682 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:45:05,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:45:03" (1/3) ... [2018-11-28 18:45:05,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4767bd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:05, skipping insertion in model container [2018-11-28 18:45:05,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:45:04" (2/3) ... [2018-11-28 18:45:05,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4767bd26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:45:05, skipping insertion in model container [2018-11-28 18:45:05,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:05" (3/3) ... [2018-11-28 18:45:05,687 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-28 18:45:05,698 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:45:05,707 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:45:05,727 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:45:05,766 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:45:05,767 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:45:05,767 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:45:05,767 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:45:05,768 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:45:05,768 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:45:05,768 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:45:05,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:45:05,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:45:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states. [2018-11-28 18:45:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:45:05,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:05,823 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 18:45:05,825 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:05,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:05,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1067589969, now seen corresponding path program 1 times [2018-11-28 18:45:05,834 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:05,834 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:05,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:05,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:05,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:06,184 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 18:45:06,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:06,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:45:06,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:45:06,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:45:06,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:45:06,207 INFO L87 Difference]: Start difference. First operand 162 states. Second operand 2 states. [2018-11-28 18:45:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:06,257 INFO L93 Difference]: Finished difference Result 294 states and 361 transitions. [2018-11-28 18:45:06,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:45:06,259 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:45:06,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:06,274 INFO L225 Difference]: With dead ends: 294 [2018-11-28 18:45:06,275 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 18:45:06,281 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 18:45:06,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 18:45:06,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 18:45:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 18:45:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 174 transitions. [2018-11-28 18:45:06,390 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 174 transitions. Word has length 51 [2018-11-28 18:45:06,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:06,391 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 174 transitions. [2018-11-28 18:45:06,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:45:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 174 transitions. [2018-11-28 18:45:06,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:45:06,399 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:06,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:06,402 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:06,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:06,403 INFO L82 PathProgramCache]: Analyzing trace with hash -2075089646, now seen corresponding path program 1 times [2018-11-28 18:45:06,403 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:06,403 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:06,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:06,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:06,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:06,628 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 18:45:06,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:06,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:06,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:06,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:06,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:06,635 INFO L87 Difference]: Start difference. First operand 149 states and 174 transitions. Second operand 3 states. [2018-11-28 18:45:06,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:06,705 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-11-28 18:45:06,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:06,706 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:45:06,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:06,709 INFO L225 Difference]: With dead ends: 239 [2018-11-28 18:45:06,709 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 18:45:06,712 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 18:45:06,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 18:45:06,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 18:45:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 18:45:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 162 transitions. [2018-11-28 18:45:06,744 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 162 transitions. Word has length 52 [2018-11-28 18:45:06,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:06,749 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 162 transitions. [2018-11-28 18:45:06,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 162 transitions. [2018-11-28 18:45:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:45:06,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:06,755 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:06,755 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:06,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:06,757 INFO L82 PathProgramCache]: Analyzing trace with hash -2100916131, now seen corresponding path program 1 times [2018-11-28 18:45:06,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:06,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:06,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:06,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:06,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:07,077 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 18:45:07,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:07,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:07,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:07,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:07,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:07,079 INFO L87 Difference]: Start difference. First operand 140 states and 162 transitions. Second operand 7 states. [2018-11-28 18:45:08,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:08,182 INFO L93 Difference]: Finished difference Result 252 states and 297 transitions. [2018-11-28 18:45:08,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:08,183 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:45:08,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:08,188 INFO L225 Difference]: With dead ends: 252 [2018-11-28 18:45:08,188 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 18:45:08,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:08,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 18:45:08,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 18:45:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 18:45:08,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 161 transitions. [2018-11-28 18:45:08,204 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 161 transitions. Word has length 57 [2018-11-28 18:45:08,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:08,204 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 161 transitions. [2018-11-28 18:45:08,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:08,205 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 161 transitions. [2018-11-28 18:45:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:45:08,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:08,208 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] [2018-11-28 18:45:08,208 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:08,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:08,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1172130122, now seen corresponding path program 1 times [2018-11-28 18:45:08,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:08,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:08,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:08,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:08,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:08,575 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 18:45:08,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:08,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:45:08,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:45:08,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:45:08,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:45:08,578 INFO L87 Difference]: Start difference. First operand 140 states and 161 transitions. Second operand 5 states. [2018-11-28 18:45:09,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:09,972 INFO L93 Difference]: Finished difference Result 355 states and 427 transitions. [2018-11-28 18:45:09,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:45:09,972 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 18:45:09,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:09,975 INFO L225 Difference]: With dead ends: 355 [2018-11-28 18:45:09,975 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 18:45:09,976 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:09,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 18:45:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 224. [2018-11-28 18:45:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-28 18:45:10,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-11-28 18:45:10,008 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 70 [2018-11-28 18:45:10,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:10,009 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-11-28 18:45:10,009 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:45:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-11-28 18:45:10,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:10,013 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:10,013 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:10,013 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:10,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:10,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1861075874, now seen corresponding path program 1 times [2018-11-28 18:45:10,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:10,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:10,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:10,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:10,276 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 18:45:10,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:10,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:45:10,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:45:10,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:45:10,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:45:10,280 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 4 states. [2018-11-28 18:45:10,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:10,651 INFO L93 Difference]: Finished difference Result 751 states and 913 transitions. [2018-11-28 18:45:10,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:45:10,652 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-11-28 18:45:10,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:10,661 INFO L225 Difference]: With dead ends: 751 [2018-11-28 18:45:10,661 INFO L226 Difference]: Without dead ends: 555 [2018-11-28 18:45:10,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:45:10,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2018-11-28 18:45:10,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 543. [2018-11-28 18:45:10,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-28 18:45:10,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 647 transitions. [2018-11-28 18:45:10,753 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 647 transitions. Word has length 84 [2018-11-28 18:45:10,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:10,754 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 647 transitions. [2018-11-28 18:45:10,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:45:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 647 transitions. [2018-11-28 18:45:10,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:45:10,759 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:10,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:10,759 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:10,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1408399423, now seen corresponding path program 1 times [2018-11-28 18:45:10,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:10,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:10,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:10,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:11,206 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 18:45:11,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:11,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:11,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:11,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:11,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:11,211 INFO L87 Difference]: Start difference. First operand 543 states and 647 transitions. Second operand 6 states. [2018-11-28 18:45:12,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:12,105 INFO L93 Difference]: Finished difference Result 1530 states and 1877 transitions. [2018-11-28 18:45:12,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:12,106 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 18:45:12,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:12,114 INFO L225 Difference]: With dead ends: 1530 [2018-11-28 18:45:12,114 INFO L226 Difference]: Without dead ends: 1015 [2018-11-28 18:45:12,117 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 18:45:12,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1015 states. [2018-11-28 18:45:12,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1015 to 999. [2018-11-28 18:45:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 999 states. [2018-11-28 18:45:12,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 999 states and 1184 transitions. [2018-11-28 18:45:12,215 INFO L78 Accepts]: Start accepts. Automaton has 999 states and 1184 transitions. Word has length 84 [2018-11-28 18:45:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:12,216 INFO L480 AbstractCegarLoop]: Abstraction has 999 states and 1184 transitions. [2018-11-28 18:45:12,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:12,216 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1184 transitions. [2018-11-28 18:45:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:45:12,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:12,220 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:12,220 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:12,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:12,220 INFO L82 PathProgramCache]: Analyzing trace with hash 490036187, now seen corresponding path program 1 times [2018-11-28 18:45:12,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:12,222 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:12,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:12,223 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:12,223 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:12,781 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 18:45:12,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:12,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:45:12,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:45:12,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:45:12,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:12,784 INFO L87 Difference]: Start difference. First operand 999 states and 1184 transitions. Second operand 7 states. [2018-11-28 18:45:15,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:15,739 INFO L93 Difference]: Finished difference Result 2059 states and 2511 transitions. [2018-11-28 18:45:15,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:45:15,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-28 18:45:15,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:15,749 INFO L225 Difference]: With dead ends: 2059 [2018-11-28 18:45:15,750 INFO L226 Difference]: Without dead ends: 1088 [2018-11-28 18:45:15,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:15,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2018-11-28 18:45:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 996. [2018-11-28 18:45:15,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-11-28 18:45:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1175 transitions. [2018-11-28 18:45:15,836 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1175 transitions. Word has length 88 [2018-11-28 18:45:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:15,841 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1175 transitions. [2018-11-28 18:45:15,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:45:15,841 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1175 transitions. [2018-11-28 18:45:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:45:15,847 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:15,848 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:15,849 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:15,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:15,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1705163544, now seen corresponding path program 1 times [2018-11-28 18:45:15,849 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:15,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:15,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:15,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:16,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:16,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:16,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:45:16,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:16,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:16,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:16,253 INFO L87 Difference]: Start difference. First operand 996 states and 1175 transitions. Second operand 6 states. [2018-11-28 18:45:16,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:16,453 INFO L93 Difference]: Finished difference Result 2006 states and 2438 transitions. [2018-11-28 18:45:16,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:45:16,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-28 18:45:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:16,463 INFO L225 Difference]: With dead ends: 2006 [2018-11-28 18:45:16,463 INFO L226 Difference]: Without dead ends: 1038 [2018-11-28 18:45:16,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:45:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2018-11-28 18:45:16,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1026. [2018-11-28 18:45:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2018-11-28 18:45:16,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1207 transitions. [2018-11-28 18:45:16,529 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1207 transitions. Word has length 104 [2018-11-28 18:45:16,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:16,529 INFO L480 AbstractCegarLoop]: Abstraction has 1026 states and 1207 transitions. [2018-11-28 18:45:16,529 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1207 transitions. [2018-11-28 18:45:16,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 18:45:16,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:16,534 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:16,534 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:16,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:16,534 INFO L82 PathProgramCache]: Analyzing trace with hash 223109158, now seen corresponding path program 1 times [2018-11-28 18:45:16,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:16,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:16,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:16,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:16,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:17,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:17,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:45:17,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:45:17,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:45:17,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:17,205 INFO L87 Difference]: Start difference. First operand 1026 states and 1207 transitions. Second operand 8 states. [2018-11-28 18:45:17,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:17,362 INFO L93 Difference]: Finished difference Result 1822 states and 2192 transitions. [2018-11-28 18:45:17,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:17,364 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-28 18:45:17,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:17,370 INFO L225 Difference]: With dead ends: 1822 [2018-11-28 18:45:17,370 INFO L226 Difference]: Without dead ends: 824 [2018-11-28 18:45:17,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:45:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2018-11-28 18:45:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 824. [2018-11-28 18:45:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2018-11-28 18:45:17,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 957 transitions. [2018-11-28 18:45:17,433 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 957 transitions. Word has length 104 [2018-11-28 18:45:17,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:17,433 INFO L480 AbstractCegarLoop]: Abstraction has 824 states and 957 transitions. [2018-11-28 18:45:17,433 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:45:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 957 transitions. [2018-11-28 18:45:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-28 18:45:17,437 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:17,437 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:17,438 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:17,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:17,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1162101567, now seen corresponding path program 1 times [2018-11-28 18:45:17,438 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:17,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:17,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:17,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:17,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:45:17,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:17,931 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 18:45:17,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:18,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:45:19,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:19,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:45:19,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:45:19,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:45:19,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:45:19,649 INFO L87 Difference]: Start difference. First operand 824 states and 957 transitions. Second operand 19 states. [2018-11-28 18:45:23,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:23,568 INFO L93 Difference]: Finished difference Result 1589 states and 1865 transitions. [2018-11-28 18:45:23,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:45:23,569 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-28 18:45:23,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:23,577 INFO L225 Difference]: With dead ends: 1589 [2018-11-28 18:45:23,578 INFO L226 Difference]: Without dead ends: 793 [2018-11-28 18:45:23,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:45:23,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2018-11-28 18:45:23,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2018-11-28 18:45:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2018-11-28 18:45:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 906 transitions. [2018-11-28 18:45:23,639 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 906 transitions. Word has length 108 [2018-11-28 18:45:23,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:23,640 INFO L480 AbstractCegarLoop]: Abstraction has 793 states and 906 transitions. [2018-11-28 18:45:23,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:45:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 906 transitions. [2018-11-28 18:45:23,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-28 18:45:23,645 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:23,645 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:23,646 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:23,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:23,646 INFO L82 PathProgramCache]: Analyzing trace with hash 2128918407, now seen corresponding path program 1 times [2018-11-28 18:45:23,646 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:23,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:23,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:23,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:23,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 18:45:23,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:23,908 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 18:45:23,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:24,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:45:24,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:24,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 18:45:24,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:45:24,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:45:24,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:45:24,186 INFO L87 Difference]: Start difference. First operand 793 states and 906 transitions. Second operand 6 states. [2018-11-28 18:45:25,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:25,473 INFO L93 Difference]: Finished difference Result 1719 states and 2060 transitions. [2018-11-28 18:45:25,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:45:25,474 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-28 18:45:25,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:25,484 INFO L225 Difference]: With dead ends: 1719 [2018-11-28 18:45:25,485 INFO L226 Difference]: Without dead ends: 1082 [2018-11-28 18:45:25,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:45:25,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2018-11-28 18:45:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 975. [2018-11-28 18:45:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 975 states. [2018-11-28 18:45:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 975 states and 1132 transitions. [2018-11-28 18:45:25,558 INFO L78 Accepts]: Start accepts. Automaton has 975 states and 1132 transitions. Word has length 166 [2018-11-28 18:45:25,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:25,560 INFO L480 AbstractCegarLoop]: Abstraction has 975 states and 1132 transitions. [2018-11-28 18:45:25,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:45:25,560 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1132 transitions. [2018-11-28 18:45:25,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-28 18:45:25,565 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:25,565 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:25,567 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:25,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:25,567 INFO L82 PathProgramCache]: Analyzing trace with hash -525352255, now seen corresponding path program 1 times [2018-11-28 18:45:25,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:25,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:25,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:25,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:25,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:45:25,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:45:25,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:45:25,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:45:25,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:45:25,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:45:25,735 INFO L87 Difference]: Start difference. First operand 975 states and 1132 transitions. Second operand 3 states. [2018-11-28 18:45:25,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:25,903 INFO L93 Difference]: Finished difference Result 1574 states and 1868 transitions. [2018-11-28 18:45:25,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:45:25,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-28 18:45:25,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:25,914 INFO L225 Difference]: With dead ends: 1574 [2018-11-28 18:45:25,914 INFO L226 Difference]: Without dead ends: 1571 [2018-11-28 18:45:25,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 18:45:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1571 states. [2018-11-28 18:45:26,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1571 to 1134. [2018-11-28 18:45:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1134 states. [2018-11-28 18:45:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 1134 states and 1343 transitions. [2018-11-28 18:45:26,013 INFO L78 Accepts]: Start accepts. Automaton has 1134 states and 1343 transitions. Word has length 162 [2018-11-28 18:45:26,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:26,014 INFO L480 AbstractCegarLoop]: Abstraction has 1134 states and 1343 transitions. [2018-11-28 18:45:26,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:45:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1343 transitions. [2018-11-28 18:45:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-28 18:45:26,021 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:26,022 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:26,023 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:26,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:26,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1448990618, now seen corresponding path program 1 times [2018-11-28 18:45:26,023 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:26,023 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:26,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:26,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:26,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 50 proven. 12 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-28 18:45:26,755 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:26,755 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 18:45:26,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:26,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:26,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 92 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-28 18:45:27,287 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:45:27,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-28 18:45:27,288 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:45:27,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:45:27,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:45:27,289 INFO L87 Difference]: Start difference. First operand 1134 states and 1343 transitions. Second operand 14 states. [2018-11-28 18:45:32,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:32,131 INFO L93 Difference]: Finished difference Result 3261 states and 4448 transitions. [2018-11-28 18:45:32,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 18:45:32,132 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 227 [2018-11-28 18:45:32,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:32,146 INFO L225 Difference]: With dead ends: 3261 [2018-11-28 18:45:32,147 INFO L226 Difference]: Without dead ends: 2287 [2018-11-28 18:45:32,152 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2018-11-28 18:45:32,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2018-11-28 18:45:32,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 1778. [2018-11-28 18:45:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1778 states. [2018-11-28 18:45:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1778 states and 2104 transitions. [2018-11-28 18:45:32,313 INFO L78 Accepts]: Start accepts. Automaton has 1778 states and 2104 transitions. Word has length 227 [2018-11-28 18:45:32,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:32,314 INFO L480 AbstractCegarLoop]: Abstraction has 1778 states and 2104 transitions. [2018-11-28 18:45:32,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:45:32,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2104 transitions. [2018-11-28 18:45:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-28 18:45:32,325 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:32,325 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:32,325 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:32,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:32,326 INFO L82 PathProgramCache]: Analyzing trace with hash 331340246, now seen corresponding path program 1 times [2018-11-28 18:45:32,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:32,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:32,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:32,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:32,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:32,815 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-28 18:45:32,815 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:32,816 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 18:45:32,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:32,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:33,118 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-28 18:45:33,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:45:33,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 18:45:33,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:45:33,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:45:33,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:45:33,140 INFO L87 Difference]: Start difference. First operand 1778 states and 2104 transitions. Second operand 13 states. [2018-11-28 18:45:33,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:33,524 INFO L93 Difference]: Finished difference Result 3090 states and 3668 transitions. [2018-11-28 18:45:33,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:45:33,526 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2018-11-28 18:45:33,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:33,543 INFO L225 Difference]: With dead ends: 3090 [2018-11-28 18:45:33,543 INFO L226 Difference]: Without dead ends: 1650 [2018-11-28 18:45:33,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:45:33,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2018-11-28 18:45:33,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1638. [2018-11-28 18:45:33,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1638 states. [2018-11-28 18:45:33,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 1898 transitions. [2018-11-28 18:45:33,694 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 1898 transitions. Word has length 223 [2018-11-28 18:45:33,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:33,696 INFO L480 AbstractCegarLoop]: Abstraction has 1638 states and 1898 transitions. [2018-11-28 18:45:33,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:45:33,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 1898 transitions. [2018-11-28 18:45:33,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-28 18:45:33,705 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:45:33,706 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:45:33,706 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:45:33,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:45:33,706 INFO L82 PathProgramCache]: Analyzing trace with hash 662173150, now seen corresponding path program 1 times [2018-11-28 18:45:33,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:45:33,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:45:33,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:33,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:33,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:45:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:34,253 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 55 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-28 18:45:34,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:45:34,254 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 18:45:34,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:45:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:45:34,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:45:34,596 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 93 proven. 25 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 18:45:34,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:45:34,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2018-11-28 18:45:34,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:45:34,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:45:34,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:45:34,619 INFO L87 Difference]: Start difference. First operand 1638 states and 1898 transitions. Second operand 14 states. [2018-11-28 18:45:36,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:45:36,319 INFO L93 Difference]: Finished difference Result 2180 states and 2539 transitions. [2018-11-28 18:45:36,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 18:45:36,320 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 227 [2018-11-28 18:45:36,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:45:36,322 INFO L225 Difference]: With dead ends: 2180 [2018-11-28 18:45:36,322 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:45:36,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 232 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2018-11-28 18:45:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:45:36,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:45:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:45:36,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:45:36,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-11-28 18:45:36,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:45:36,329 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:45:36,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:45:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:45:36,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:45:36,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:45:36,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:36,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:37,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:39,635 WARN L180 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2018-11-28 18:45:39,848 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 1 [2018-11-28 18:45:40,178 WARN L180 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2018-11-28 18:45:40,604 WARN L180 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2018-11-28 18:45:40,813 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2018-11-28 18:45:40,977 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2018-11-28 18:45:41,184 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 34 [2018-11-28 18:45:41,320 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2018-11-28 18:45:41,512 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-11-28 18:45:42,041 WARN L180 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2018-11-28 18:45:42,451 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2018-11-28 18:45:42,771 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 34 [2018-11-28 18:45:42,942 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 1 [2018-11-28 18:45:43,057 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2018-11-28 18:45:43,217 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 32 [2018-11-28 18:45:43,376 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 39 [2018-11-28 18:45:43,570 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2018-11-28 18:45:43,854 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-11-28 18:45:44,110 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 40 [2018-11-28 18:45:44,547 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 43 [2018-11-28 18:45:44,840 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2018-11-28 18:45:45,116 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2018-11-28 18:45:45,421 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2018-11-28 18:45:45,699 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2018-11-28 18:45:45,978 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-11-28 18:45:46,082 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2018-11-28 18:45:46,436 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2018-11-28 18:45:46,725 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2018-11-28 18:45:47,192 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2018-11-28 18:45:47,536 WARN L180 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 33 [2018-11-28 18:45:47,729 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 24 [2018-11-28 18:45:47,773 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-11-28 18:45:47,774 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-11-28 18:45:47,774 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-28 18:45:47,774 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-11-28 18:45:47,774 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-28 18:45:47,774 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,774 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-11-28 18:45:47,775 INFO L444 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,775 INFO L444 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,775 INFO L448 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-11-28 18:45:47,775 INFO L448 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-11-28 18:45:47,775 INFO L448 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-11-28 18:45:47,776 INFO L444 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,776 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-11-28 18:45:47,776 INFO L444 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,776 INFO L444 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,776 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-28 18:45:47,776 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-28 18:45:47,776 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-28 18:45:47,776 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-28 18:45:47,777 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-28 18:45:47,777 INFO L448 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-28 18:45:47,777 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-28 18:45:47,777 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 18:45:47,777 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-28 18:45:47,777 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-28 18:45:47,777 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-11-28 18:45:47,777 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-11-28 18:45:47,777 INFO L444 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,778 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,778 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-11-28 18:45:47,778 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-11-28 18:45:47,778 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-28 18:45:47,778 INFO L451 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-28 18:45:47,778 INFO L448 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-28 18:45:47,778 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-28 18:45:47,778 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-28 18:45:47,778 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2 (or .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-28 18:45:47,779 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-28 18:45:47,779 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-28 18:45:47,779 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse5 (or .cse0 .cse11 .cse4)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (or .cse11 .cse4 .cse9)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse2 (or .cse3 .cse4 .cse9)) (or .cse5 .cse1 .cse6 .cse2) (or .cse1 .cse10 .cse2 .cse6) (or .cse6 .cse10 .cse7 .cse8)))) [2018-11-28 18:45:47,779 INFO L448 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-28 18:45:47,779 INFO L444 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 (or .cse5 .cse6 .cse2 .cse3)) (or (or .cse7 .cse5 .cse2) .cse0 .cse1) (or .cse4 (or .cse7 .cse5 .cse6 .cse2)) (or .cse7 .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 18:45:47,779 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= processEnvironment_~tmp~5 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)) (or .cse0 .cse8 .cse4 (or .cse2 .cse3)) (or .cse8 .cse7 .cse0 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 18:45:47,779 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-28 18:45:47,780 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-28 18:45:47,780 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse8 .cse9 .cse3)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4)) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse1 .cse0 .cse2) (or .cse0 (or .cse9 .cse3 .cse4) .cse6 .cse7)))) [2018-11-28 18:45:47,780 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)) (or .cse8 .cse0 .cse4 (or .cse2 .cse3)) (or .cse8 .cse7 .cse0 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 18:45:47,780 INFO L448 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-28 18:45:47,780 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-28 18:45:47,780 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:45:47,780 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-28 18:45:47,780 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-28 18:45:47,780 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-28 18:45:47,781 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-28 18:45:47,781 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-28 18:45:47,781 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,781 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-11-28 18:45:47,781 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-11-28 18:45:47,781 INFO L444 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse5 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse7 .cse3 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse3 .cse4 .cse6))) [2018-11-28 18:45:47,781 INFO L448 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-11-28 18:45:47,782 INFO L444 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse5 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse7 .cse3 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse7 .cse3 .cse4 .cse6))) [2018-11-28 18:45:47,782 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-11-28 18:45:47,782 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse7 .cse8 .cse9 .cse3 .cse5 .cse4) (and .cse0 .cse6 .cse7 .cse8 .cse3 .cse5 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse9 .cse3 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:47,782 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-11-28 18:45:47,782 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-11-28 18:45:47,782 INFO L444 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse2 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse5 .cse6 .cse7 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse7 .cse2 .cse3 .cse4))) [2018-11-28 18:45:47,782 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse6 .cse7 .cse2 .cse3 .cse4) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse7 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse2 .cse3 .cse4))) [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L444 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:47,783 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)))) [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:45:47,783 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-28 18:45:47,784 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-28 18:45:47,784 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-28 18:45:47,784 INFO L448 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-11-28 18:45:47,784 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-28 18:45:47,784 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-28 18:45:47,784 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-11-28 18:45:47,784 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 (or .cse5 .cse1 .cse2) .cse6) (or (or .cse7 .cse4 .cse5 .cse1) .cse6) (or .cse0 (or .cse7 .cse5 .cse3 .cse1)))) [2018-11-28 18:45:47,784 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-11-28 18:45:47,784 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-11-28 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-11-28 18:45:47,785 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 2 ~waterLevel~0) (or .cse0 .cse1) (< ~waterLevel~0 2)) (or (< 1 ~waterLevel~0) (or .cse2 .cse0 .cse1) (< ~waterLevel~0 1)) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (= 0 ~methAndRunningLastTime~0) .cse0 (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-28 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-28 18:45:47,785 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-11-28 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-11-28 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:47,785 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 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:47,785 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-28 18:45:47,786 INFO L444 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3)) (or .cse0 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-28 18:45:47,786 INFO L448 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-28 18:45:47,786 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4)))) [2018-11-28 18:45:47,786 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-28 18:45:47,786 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4)))) [2018-11-28 18:45:47,786 INFO L448 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-28 18:45:47,786 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-28 18:45:47,786 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-28 18:45:47,787 INFO L451 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-28 18:45:47,787 INFO L448 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-28 18:45:47,787 INFO L448 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-28 18:45:47,787 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-28 18:45:47,787 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-28 18:45:47,787 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:45:47,787 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse9 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (< ~waterLevel~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse3 .cse4 .cse5) (or .cse9 .cse7 .cse10 .cse1 .cse2 .cse3 .cse4) (or .cse9 .cse6 .cse7 .cse8 .cse10 .cse3 .cse4))) [2018-11-28 18:45:47,787 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-28 18:45:47,787 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-28 18:45:47,788 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-28 18:45:47,788 INFO L451 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-28 18:45:47,788 INFO L448 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-28 18:45:47,788 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-28 18:45:47,788 INFO L451 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-28 18:45:47,788 INFO L448 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-28 18:45:47,788 INFO L451 ceAbstractionStarter]: At program point L904-2(lines 904 918) the Hoare annotation is: true [2018-11-28 18:45:47,788 INFO L451 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-28 18:45:47,788 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-28 18:45:47,788 INFO L444 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= 0 ~methAndRunningLastTime~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse15 .cse10 .cse14)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= 0 ~pumpRunning~0) .cse15 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 (or .cse1 .cse3) .cse12) (or .cse4 (or .cse13 .cse0 .cse1 .cse2) .cse5) (or .cse13 .cse6 .cse11 .cse12 .cse1 (and .cse7 .cse8 .cse9 .cse14 .cse10) .cse5)))) [2018-11-28 18:45:47,789 INFO L444 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= ~methaneLevelCritical~0 1))) (let ((.cse11 (<= ~waterLevel~0 1)) (.cse12 (<= 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not .cse15)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse10 .cse4 .cse15 .cse5)) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or (or .cse0 .cse1 .cse6 .cse3) .cse2 .cse7) (or .cse8 .cse9 (and .cse10 .cse11 .cse12) .cse13 .cse14 .cse1 .cse2) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse11 .cse12) .cse4 .cse13 (or .cse1 .cse3) .cse14) (or (and .cse4 .cse7 .cse5) (or .cse8 .cse0 .cse1 .cse6) .cse2) (or .cse8 .cse0 .cse9 .cse13 .cse14 .cse1 .cse2)))) [2018-11-28 18:45:47,789 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (or .cse7 (or .cse3 .cse5) .cse8 (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10)) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse7 (and .cse9 (= 0 ~methAndRunningLastTime~0) .cse10) .cse8 .cse3 .cse4))) [2018-11-28 18:45:47,789 INFO L448 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-28 18:45:47,789 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse1 (and .cse9 .cse8 .cse10)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8) (or (and .cse9 .cse10) .cse2 (or .cse4 .cse7) .cse3) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse1 (< |old(~waterLevel~0)| 1) .cse4 .cse5 .cse7) (or (and .cse9 .cse10 .cse8) (or .cse0 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) .cse5)))) [2018-11-28 18:45:47,789 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-28 18:45:47,790 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 18:45:47,790 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-28 18:45:47,790 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-28 18:45:47,791 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:47,791 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 18:45:47,791 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:47,791 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:47,791 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse4 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 1)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6) (or .cse4 .cse0 .cse2 .cse3) (or .cse2 .cse1 .cse5 .cse6)))) [2018-11-28 18:45:47,791 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (or .cse3 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (or .cse2 .cse3 .cse5) .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse0) (or .cse0 .cse8 .cse1 .cse4)))) [2018-11-28 18:45:47,791 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (or .cse4 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5) .cse0 .cse2) (or .cse6 .cse7 (or .cse3 .cse4 .cse8 .cse5)) (or .cse6 .cse1 .cse7 .cse8)))) [2018-11-28 18:45:47,792 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-28 18:45:47,792 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-28 18:45:47,792 INFO L444 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (or .cse3 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (or .cse2 .cse3 .cse5) .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse0) (or .cse0 .cse8 .cse1 .cse4)))) [2018-11-28 18:45:47,792 INFO L448 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-28 18:45:47,792 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-28 18:45:47,792 INFO L444 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)))) [2018-11-28 18:45:47,792 INFO L448 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-28 18:45:47,792 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-28 18:45:47,793 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse2 .cse7 (or .cse4 .cse6) .cse8) (or .cse9 .cse2 .cse7 .cse8 .cse4 .cse5) (or .cse9 .cse0 .cse1 .cse3 .cse2 .cse4 .cse5))) [2018-11-28 18:45:47,793 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-28 18:45:47,793 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:45:47,793 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-28 18:45:47,793 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse7 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse5 .cse0 .cse7 .cse2 .cse3) (or .cse6 .cse8 .cse5 .cse9 .cse7 .cse3) (or .cse8 .cse5 .cse9 .cse7 .cse3 .cse4)))) [2018-11-28 18:45:47,793 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-28 18:45:47,793 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-28 18:45:47,794 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-11-28 18:45:47,794 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-28 18:45:47,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:47 BoogieIcfgContainer [2018-11-28 18:45:47,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:47,822 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:47,822 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:47,822 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:47,823 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:45:05" (3/4) ... [2018-11-28 18:45:47,829 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:47,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:47,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:47,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:47,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:47,844 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:45:47,845 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:47,850 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:47,851 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:47,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:47,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:47,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:45:47,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:47,853 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:47,877 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 18:45:47,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:45:47,878 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:45:47,879 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:47,880 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:47,880 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:47,916 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-28 18:45:47,917 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:48,000 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:48,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:48,001 INFO L168 Benchmark]: Toolchain (without parser) took 44505.56 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 544.7 MB). Free memory was 946.0 MB in the beginning and 1.5 GB in the end (delta: -533.8 MB). Peak memory consumption was 11.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:48,002 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:48,002 INFO L168 Benchmark]: CACSL2BoogieTranslator took 796.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:48,002 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:48,003 INFO L168 Benchmark]: Boogie Preprocessor took 57.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:48,003 INFO L168 Benchmark]: RCFGBuilder took 1281.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:48,003 INFO L168 Benchmark]: TraceAbstraction took 42144.28 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 409.5 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -424.7 MB). Peak memory consumption was 618.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:48,004 INFO L168 Benchmark]: Witness Printer took 178.25 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:48,007 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 796.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 57.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1281.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 42144.28 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 409.5 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -424.7 MB). Peak memory consumption was 618.3 MB. Max. memory is 11.5 GB. * Witness Printer took 178.25 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 530]: Loop Invariant Derived loop invariant: ((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 162 locations, 1 error locations. SAFE Result, 42.0s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 19.7s AutomataDifference, 0.0s DeadEndRemovalTime, 11.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2944 SDtfs, 2877 SDslu, 8029 SDs, 0 SdLazy, 5968 SolverSat, 1374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1156 GetRequests, 1008 SyntacticMatches, 4 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1778occurred in iteration=13, 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: 1.0s AutomataMinimizationTime, 15 MinimizatonAttempts, 1216 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4036 PreInvPairs, 4149 NumberOfFragments, 3596 HoareAnnotationTreeSize, 4036 FomulaSimplifications, 18321 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 18327 FormulaSimplificationTreeSizeReductionInter, 10.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.6s InterpolantComputationTime, 2758 NumberOfCodeBlocks, 2758 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2738 ConstructedInterpolants, 0 QuantifiedInterpolants, 685726 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4965 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 828/909 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...