./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer --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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:13:07,508 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:13:07,510 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:13:07,517 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:13:07,517 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:13:07,518 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:13:07,519 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:13:07,520 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:13:07,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:13:07,521 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:13:07,522 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:13:07,522 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:13:07,523 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:13:07,524 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:13:07,524 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:13:07,525 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:13:07,526 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:13:07,527 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:13:07,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:13:07,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:13:07,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:13:07,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:13:07,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:13:07,533 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:13:07,533 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:13:07,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:13:07,534 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:13:07,535 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:13:07,535 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:13:07,536 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:13:07,536 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:13:07,537 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:13:07,537 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:13:07,537 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:13:07,538 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:13:07,538 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:13:07,538 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:13:07,548 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:13:07,548 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:13:07,549 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:13:07,549 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:13:07,550 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:13:07,550 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:13:07,550 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:13:07,550 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:13:07,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:13:07,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:13:07,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:13:07,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:13:07,552 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:13:07,552 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:13:07,552 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:13:07,552 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:13:07,552 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:13:07,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:13:07,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:13:07,553 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:13:07,553 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:13:07,553 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:13:07,553 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:13:07,553 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:13:07,553 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer 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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2018-11-28 13:13:07,574 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:13:07,582 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:13:07,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:13:07,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:13:07,585 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:13:07,585 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:13:07,620 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/data/0420fc06a/abf7cdff63a54c4ebf0256eb2f5ac3a8/FLAG3c0f9bab8 [2018-11-28 13:13:08,048 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:13:08,048 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:13:08,055 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/data/0420fc06a/abf7cdff63a54c4ebf0256eb2f5ac3a8/FLAG3c0f9bab8 [2018-11-28 13:13:08,063 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/data/0420fc06a/abf7cdff63a54c4ebf0256eb2f5ac3a8 [2018-11-28 13:13:08,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:13:08,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:13:08,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:13:08,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:13:08,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:13:08,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08, skipping insertion in model container [2018-11-28 13:13:08,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,080 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:13:08,110 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:13:08,302 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:13:08,363 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:13:08,418 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:13:08,439 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:13:08,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08 WrapperNode [2018-11-28 13:13:08,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:13:08,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:13:08,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:13:08,440 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:13:08,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:13:08,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:13:08,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:13:08,465 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:13:08,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,474 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... [2018-11-28 13:13:08,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:13:08,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:13:08,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:13:08,494 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:13:08,494 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/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 13:13:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:13:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:13:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:13:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:13:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:13:08,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:13:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:13:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:13:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:13:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:13:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:13:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:13:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:13:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:13:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:13:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:13:08,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:13:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:13:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:13:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:13:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:13:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:13:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:13:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:13:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:13:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:13:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:13:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:13:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:13:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:13:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:13:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:13:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:13:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:13:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:13:08,532 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:13:08,532 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:13:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:13:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:13:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:13:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:13:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:13:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:13:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:13:08,533 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:13:08,533 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:13:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:13:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:13:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:13:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:13:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:13:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:13:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:13:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:13:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:13:08,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:13:08,534 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:13:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:13:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:13:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:13:08,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:13:08,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:13:08,925 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:13:08,925 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:13:08,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:13:08 BoogieIcfgContainer [2018-11-28 13:13:08,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:13:08,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:13:08,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:13:08,930 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:13:08,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:13:08" (1/3) ... [2018-11-28 13:13:08,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2070e0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:13:08, skipping insertion in model container [2018-11-28 13:13:08,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:13:08" (2/3) ... [2018-11-28 13:13:08,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2070e0cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:13:08, skipping insertion in model container [2018-11-28 13:13:08,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:13:08" (3/3) ... [2018-11-28 13:13:08,932 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:13:08,939 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:13:08,944 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:13:08,958 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:13:08,981 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:13:08,982 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:13:08,982 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:13:08,982 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:13:08,982 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:13:08,982 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:13:08,982 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:13:08,983 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:13:08,983 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:13:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-28 13:13:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:13:09,006 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:09,007 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 13:13:09,009 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:09,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:09,012 INFO L82 PathProgramCache]: Analyzing trace with hash 695158578, now seen corresponding path program 1 times [2018-11-28 13:13:09,013 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:09,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:09,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:09,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:09,184 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 13:13:09,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:09,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:13:09,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:13:09,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:13:09,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:13:09,198 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-11-28 13:13:09,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:09,228 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2018-11-28 13:13:09,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:13:09,229 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 13:13:09,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:09,237 INFO L225 Difference]: With dead ends: 286 [2018-11-28 13:13:09,237 INFO L226 Difference]: Without dead ends: 145 [2018-11-28 13:13:09,240 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 13:13:09,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-28 13:13:09,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-28 13:13:09,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-28 13:13:09,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-28 13:13:09,278 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2018-11-28 13:13:09,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:09,279 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-28 13:13:09,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:13:09,279 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-28 13:13:09,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:13:09,281 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:09,281 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 13:13:09,282 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:09,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:09,282 INFO L82 PathProgramCache]: Analyzing trace with hash 382336584, now seen corresponding path program 1 times [2018-11-28 13:13:09,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:09,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:09,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:09,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:09,356 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 13:13:09,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:09,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:13:09,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:13:09,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:13:09,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:13:09,358 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2018-11-28 13:13:09,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:09,376 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-11-28 13:13:09,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:13:09,377 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 13:13:09,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:09,379 INFO L225 Difference]: With dead ends: 235 [2018-11-28 13:13:09,379 INFO L226 Difference]: Without dead ends: 136 [2018-11-28 13:13:09,380 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 13:13:09,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-28 13:13:09,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-28 13:13:09,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-28 13:13:09,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-11-28 13:13:09,391 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2018-11-28 13:13:09,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:09,391 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-11-28 13:13:09,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:13:09,391 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-11-28 13:13:09,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 13:13:09,392 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:09,393 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] [2018-11-28 13:13:09,393 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:09,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:09,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1306371855, now seen corresponding path program 1 times [2018-11-28 13:13:09,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:09,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:09,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:09,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:09,495 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 13:13:09,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:09,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:13:09,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:13:09,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:13:09,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:13:09,497 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2018-11-28 13:13:09,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:09,680 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2018-11-28 13:13:09,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:13:09,681 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 13:13:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:09,682 INFO L225 Difference]: With dead ends: 244 [2018-11-28 13:13:09,682 INFO L226 Difference]: Without dead ends: 136 [2018-11-28 13:13:09,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:13:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-28 13:13:09,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-28 13:13:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-28 13:13:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-11-28 13:13:09,693 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2018-11-28 13:13:09,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:09,693 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-11-28 13:13:09,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:13:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-11-28 13:13:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 13:13:09,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:09,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:13:09,695 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:09,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:09,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1404980815, now seen corresponding path program 1 times [2018-11-28 13:13:09,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:09,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:09,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:09,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:09,799 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 13:13:09,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:09,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:13:09,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:13:09,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:13:09,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:13:09,800 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2018-11-28 13:13:10,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:10,161 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2018-11-28 13:13:10,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:13:10,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 13:13:10,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:10,163 INFO L225 Difference]: With dead ends: 342 [2018-11-28 13:13:10,163 INFO L226 Difference]: Without dead ends: 234 [2018-11-28 13:13:10,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:13:10,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-11-28 13:13:10,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2018-11-28 13:13:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-28 13:13:10,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2018-11-28 13:13:10,194 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2018-11-28 13:13:10,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:10,194 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2018-11-28 13:13:10,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:13:10,195 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2018-11-28 13:13:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 13:13:10,196 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:10,196 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:13:10,198 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:10,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:10,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1644843742, now seen corresponding path program 1 times [2018-11-28 13:13:10,199 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:10,199 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:10,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:10,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:10,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:10,278 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 13:13:10,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:10,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:13:10,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:13:10,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:13:10,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:13:10,280 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 4 states. [2018-11-28 13:13:10,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:10,416 INFO L93 Difference]: Finished difference Result 719 states and 881 transitions. [2018-11-28 13:13:10,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 13:13:10,417 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-11-28 13:13:10,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:10,419 INFO L225 Difference]: With dead ends: 719 [2018-11-28 13:13:10,419 INFO L226 Difference]: Without dead ends: 531 [2018-11-28 13:13:10,420 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:13:10,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-11-28 13:13:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2018-11-28 13:13:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-11-28 13:13:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 623 transitions. [2018-11-28 13:13:10,457 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 623 transitions. Word has length 83 [2018-11-28 13:13:10,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:10,457 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 623 transitions. [2018-11-28 13:13:10,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:13:10,457 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 623 transitions. [2018-11-28 13:13:10,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 13:13:10,458 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:10,459 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:13:10,459 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:10,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:10,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1624631555, now seen corresponding path program 1 times [2018-11-28 13:13:10,459 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:10,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:10,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:10,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:10,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:10,532 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 13:13:10,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:10,532 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:13:10,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:13:10,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:13:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:13:10,533 INFO L87 Difference]: Start difference. First operand 519 states and 623 transitions. Second operand 6 states. [2018-11-28 13:13:10,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:10,651 INFO L93 Difference]: Finished difference Result 1458 states and 1805 transitions. [2018-11-28 13:13:10,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:13:10,652 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 13:13:10,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:10,656 INFO L225 Difference]: With dead ends: 1458 [2018-11-28 13:13:10,657 INFO L226 Difference]: Without dead ends: 967 [2018-11-28 13:13:10,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:13:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-11-28 13:13:10,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 951. [2018-11-28 13:13:10,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-11-28 13:13:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1136 transitions. [2018-11-28 13:13:10,699 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1136 transitions. Word has length 83 [2018-11-28 13:13:10,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:10,699 INFO L480 AbstractCegarLoop]: Abstraction has 951 states and 1136 transitions. [2018-11-28 13:13:10,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:13:10,699 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1136 transitions. [2018-11-28 13:13:10,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 13:13:10,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:10,701 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] [2018-11-28 13:13:10,701 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:10,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:10,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1746225127, now seen corresponding path program 1 times [2018-11-28 13:13:10,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:10,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:10,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:10,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:10,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:10,774 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 13:13:10,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:10,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:13:10,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:13:10,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:13:10,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:13:10,775 INFO L87 Difference]: Start difference. First operand 951 states and 1136 transitions. Second operand 7 states. [2018-11-28 13:13:11,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:11,130 INFO L93 Difference]: Finished difference Result 1957 states and 2403 transitions. [2018-11-28 13:13:11,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 13:13:11,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 13:13:11,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:11,133 INFO L225 Difference]: With dead ends: 1957 [2018-11-28 13:13:11,133 INFO L226 Difference]: Without dead ends: 1034 [2018-11-28 13:13:11,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:13:11,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-11-28 13:13:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 948. [2018-11-28 13:13:11,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-28 13:13:11,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1127 transitions. [2018-11-28 13:13:11,169 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1127 transitions. Word has length 87 [2018-11-28 13:13:11,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:11,170 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1127 transitions. [2018-11-28 13:13:11,170 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:13:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1127 transitions. [2018-11-28 13:13:11,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 13:13:11,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:11,172 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] [2018-11-28 13:13:11,172 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:11,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:11,172 INFO L82 PathProgramCache]: Analyzing trace with hash 94127644, now seen corresponding path program 1 times [2018-11-28 13:13:11,172 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:11,172 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:11,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:11,174 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:11,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:11,229 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 13:13:11,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:11,229 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:13:11,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:13:11,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:13:11,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:13:11,230 INFO L87 Difference]: Start difference. First operand 948 states and 1127 transitions. Second operand 6 states. [2018-11-28 13:13:11,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:11,266 INFO L93 Difference]: Finished difference Result 1910 states and 2342 transitions. [2018-11-28 13:13:11,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:13:11,267 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 13:13:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:11,270 INFO L225 Difference]: With dead ends: 1910 [2018-11-28 13:13:11,270 INFO L226 Difference]: Without dead ends: 990 [2018-11-28 13:13:11,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:13:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2018-11-28 13:13:11,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 978. [2018-11-28 13:13:11,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-11-28 13:13:11,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1159 transitions. [2018-11-28 13:13:11,300 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1159 transitions. Word has length 103 [2018-11-28 13:13:11,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:11,301 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1159 transitions. [2018-11-28 13:13:11,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:13:11,301 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1159 transitions. [2018-11-28 13:13:11,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 13:13:11,303 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:11,303 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] [2018-11-28 13:13:11,303 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:11,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:11,304 INFO L82 PathProgramCache]: Analyzing trace with hash 2022400346, now seen corresponding path program 1 times [2018-11-28 13:13:11,304 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:11,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:11,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:11,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:11,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:11,368 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 13:13:11,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:11,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 13:13:11,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 13:13:11,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 13:13:11,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:13:11,369 INFO L87 Difference]: Start difference. First operand 978 states and 1159 transitions. Second operand 8 states. [2018-11-28 13:13:11,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:11,404 INFO L93 Difference]: Finished difference Result 1734 states and 2104 transitions. [2018-11-28 13:13:11,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:13:11,406 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-28 13:13:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:11,409 INFO L225 Difference]: With dead ends: 1734 [2018-11-28 13:13:11,409 INFO L226 Difference]: Without dead ends: 784 [2018-11-28 13:13:11,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 13:13:11,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-11-28 13:13:11,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2018-11-28 13:13:11,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-11-28 13:13:11,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 917 transitions. [2018-11-28 13:13:11,434 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 917 transitions. Word has length 103 [2018-11-28 13:13:11,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:11,434 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 917 transitions. [2018-11-28 13:13:11,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 13:13:11,434 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 917 transitions. [2018-11-28 13:13:11,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 13:13:11,436 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:11,436 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] [2018-11-28 13:13:11,436 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:11,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:11,436 INFO L82 PathProgramCache]: Analyzing trace with hash 785672447, now seen corresponding path program 1 times [2018-11-28 13:13:11,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:11,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:11,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:11,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:11,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:11,540 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 13:13:11,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:13:11,541 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/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 13:13:11,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:11,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:13:11,848 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 13:13:11,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:13:11,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 13:13:11,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 13:13:11,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 13:13:11,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:13:11,875 INFO L87 Difference]: Start difference. First operand 784 states and 917 transitions. Second operand 19 states. [2018-11-28 13:13:12,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:12,688 INFO L93 Difference]: Finished difference Result 1509 states and 1785 transitions. [2018-11-28 13:13:12,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 13:13:12,689 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-28 13:13:12,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:12,692 INFO L225 Difference]: With dead ends: 1509 [2018-11-28 13:13:12,692 INFO L226 Difference]: Without dead ends: 753 [2018-11-28 13:13:12,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 13:13:12,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-11-28 13:13:12,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2018-11-28 13:13:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-11-28 13:13:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 866 transitions. [2018-11-28 13:13:12,727 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 866 transitions. Word has length 107 [2018-11-28 13:13:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:12,728 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 866 transitions. [2018-11-28 13:13:12,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 13:13:12,728 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 866 transitions. [2018-11-28 13:13:12,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 13:13:12,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:12,731 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:12,731 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:12,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:12,731 INFO L82 PathProgramCache]: Analyzing trace with hash -265228281, now seen corresponding path program 1 times [2018-11-28 13:13:12,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:12,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:12,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:12,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:12,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 13:13:12,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:13:12,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:13:12,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:13:12,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:13:12,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:13:12,804 INFO L87 Difference]: Start difference. First operand 753 states and 866 transitions. Second operand 3 states. [2018-11-28 13:13:12,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:12,849 INFO L93 Difference]: Finished difference Result 1224 states and 1438 transitions. [2018-11-28 13:13:12,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:13:12,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-28 13:13:12,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:12,855 INFO L225 Difference]: With dead ends: 1224 [2018-11-28 13:13:12,855 INFO L226 Difference]: Without dead ends: 1221 [2018-11-28 13:13:12,856 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 13:13:12,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2018-11-28 13:13:12,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 891. [2018-11-28 13:13:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2018-11-28 13:13:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1045 transitions. [2018-11-28 13:13:12,908 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1045 transitions. Word has length 160 [2018-11-28 13:13:12,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:12,908 INFO L480 AbstractCegarLoop]: Abstraction has 891 states and 1045 transitions. [2018-11-28 13:13:12,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:13:12,908 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1045 transitions. [2018-11-28 13:13:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-28 13:13:12,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:12,912 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, 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 13:13:12,912 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:12,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:12,913 INFO L82 PathProgramCache]: Analyzing trace with hash -367765079, now seen corresponding path program 1 times [2018-11-28 13:13:12,913 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:12,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:12,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:12,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:12,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-28 13:13:12,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:13:12,999 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/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 13:13:13,012 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:13,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:13,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:13:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-28 13:13:13,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:13:13,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 13:13:13,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:13:13,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:13:13,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:13:13,226 INFO L87 Difference]: Start difference. First operand 891 states and 1045 transitions. Second operand 6 states. [2018-11-28 13:13:13,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:13,729 INFO L93 Difference]: Finished difference Result 1904 states and 2341 transitions. [2018-11-28 13:13:13,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:13:13,730 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 224 [2018-11-28 13:13:13,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:13,734 INFO L225 Difference]: With dead ends: 1904 [2018-11-28 13:13:13,735 INFO L226 Difference]: Without dead ends: 1161 [2018-11-28 13:13:13,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:13:13,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2018-11-28 13:13:13,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1066. [2018-11-28 13:13:13,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2018-11-28 13:13:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1275 transitions. [2018-11-28 13:13:13,804 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1275 transitions. Word has length 224 [2018-11-28 13:13:13,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:13,804 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1275 transitions. [2018-11-28 13:13:13,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:13:13,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1275 transitions. [2018-11-28 13:13:13,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-28 13:13:13,808 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:13,808 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, 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 13:13:13,808 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:13,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:13,809 INFO L82 PathProgramCache]: Analyzing trace with hash 257760553, now seen corresponding path program 1 times [2018-11-28 13:13:13,809 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:13,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:13,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:13,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:13,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:13,906 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-28 13:13:13,906 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:13:13,906 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/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 13:13:13,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:14,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:13:14,142 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-11-28 13:13:14,167 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:13:14,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-11-28 13:13:14,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:13:14,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:13:14,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:13:14,169 INFO L87 Difference]: Start difference. First operand 1066 states and 1275 transitions. Second operand 14 states. [2018-11-28 13:13:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:15,515 INFO L93 Difference]: Finished difference Result 3037 states and 4180 transitions. [2018-11-28 13:13:15,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:13:15,515 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2018-11-28 13:13:15,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:15,525 INFO L225 Difference]: With dead ends: 3037 [2018-11-28 13:13:15,525 INFO L226 Difference]: Without dead ends: 2123 [2018-11-28 13:13:15,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2018-11-28 13:13:15,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2018-11-28 13:13:15,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1658. [2018-11-28 13:13:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-11-28 13:13:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1984 transitions. [2018-11-28 13:13:15,647 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1984 transitions. Word has length 224 [2018-11-28 13:13:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:15,647 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 1984 transitions. [2018-11-28 13:13:15,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:13:15,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1984 transitions. [2018-11-28 13:13:15,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-28 13:13:15,653 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:15,653 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, 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 13:13:15,653 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:15,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:15,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1937127025, now seen corresponding path program 1 times [2018-11-28 13:13:15,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:15,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:15,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:15,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:15,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:15,750 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-28 13:13:15,750 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:13:15,750 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/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 13:13:15,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:15,873 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:13:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-28 13:13:15,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:13:15,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-28 13:13:15,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:13:15,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:13:15,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:13:15,999 INFO L87 Difference]: Start difference. First operand 1658 states and 1984 transitions. Second operand 13 states. [2018-11-28 13:13:16,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:16,154 INFO L93 Difference]: Finished difference Result 2886 states and 3464 transitions. [2018-11-28 13:13:16,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:13:16,155 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-11-28 13:13:16,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:16,161 INFO L225 Difference]: With dead ends: 2886 [2018-11-28 13:13:16,162 INFO L226 Difference]: Without dead ends: 1542 [2018-11-28 13:13:16,165 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:13:16,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2018-11-28 13:13:16,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1530. [2018-11-28 13:13:16,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1530 states. [2018-11-28 13:13:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 1790 transitions. [2018-11-28 13:13:16,260 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 1790 transitions. Word has length 220 [2018-11-28 13:13:16,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:16,260 INFO L480 AbstractCegarLoop]: Abstraction has 1530 states and 1790 transitions. [2018-11-28 13:13:16,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:13:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1790 transitions. [2018-11-28 13:13:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-28 13:13:16,265 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:13:16,266 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, 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, 1, 1, 1, 1] [2018-11-28 13:13:16,266 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:13:16,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:13:16,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1474331281, now seen corresponding path program 2 times [2018-11-28 13:13:16,266 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:13:16,266 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:13:16,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:16,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:13:16,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:13:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:13:16,390 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 51 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-28 13:13:16,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:13:16,391 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/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 13:13:16,400 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-28 13:13:16,529 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-28 13:13:16,529 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-28 13:13:16,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:13:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 87 proven. 30 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 13:13:16,652 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:13:16,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 13 [2018-11-28 13:13:16,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:13:16,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:13:16,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:13:16,654 INFO L87 Difference]: Start difference. First operand 1530 states and 1790 transitions. Second operand 13 states. [2018-11-28 13:13:17,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:13:17,388 INFO L93 Difference]: Finished difference Result 2032 states and 2391 transitions. [2018-11-28 13:13:17,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 13:13:17,389 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-11-28 13:13:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:13:17,390 INFO L225 Difference]: With dead ends: 2032 [2018-11-28 13:13:17,390 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:13:17,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 226 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2018-11-28 13:13:17,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:13:17,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:13:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:13:17,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:13:17,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-11-28 13:13:17,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:13:17,394 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:13:17,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:13:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:13:17,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:13:17,397 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:13:17,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:17,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:13:18,368 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-11-28 13:13:18,919 WARN L180 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2018-11-28 13:13:19,059 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-11-28 13:13:19,407 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-11-28 13:13:19,746 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 39 [2018-11-28 13:13:20,103 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 44 [2018-11-28 13:13:20,386 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2018-11-28 13:13:20,794 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 32 [2018-11-28 13:13:21,227 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 35 [2018-11-28 13:13:21,406 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2018-11-28 13:13:21,730 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 32 [2018-11-28 13:13:21,853 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 13:13:21,853 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 13:13:21,853 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:13:21,853 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 13:13:21,853 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 13:13:21,853 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,853 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-11-28 13:13:21,853 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,854 INFO L444 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,854 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-11-28 13:13:21,854 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-11-28 13:13:21,854 INFO L448 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-28 13:13:21,854 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,854 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,854 INFO L444 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,854 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-11-28 13:13:21,854 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2018-11-28 13:13:21,854 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2018-11-28 13:13:21,854 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L451 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 13:13:21,855 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2018-11-28 13:13:21,855 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,855 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2018-11-28 13:13:21,855 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2018-11-28 13:13:21,856 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-11-28 13:13:21,856 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-11-28 13:13:21,856 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2018-11-28 13:13:21,856 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) 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 13:13:21,856 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2018-11-28 13:13:21,856 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2018-11-28 13:13:21,856 INFO L444 ceAbstractionStarter]: At program point L413(line 413) 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)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse1 (< 1 ~waterLevel~0)) (.cse10 (or .cse11 .cse4 .cse9)) (.cse2 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (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 .cse6 .cse10 .cse7 .cse8) (or .cse1 .cse10 .cse2 .cse6)))) [2018-11-28 13:13:21,856 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2018-11-28 13:13:21,856 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (or .cse8 .cse4 .cse2)) (.cse5 (< 2 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or (or .cse4 .cse2 .cse3) .cse5 .cse6) (or .cse7 .cse0 .cse1) (or .cse7 .cse5 .cse6) (or .cse8 .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)))))) [2018-11-28 13:13:21,856 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2018-11-28 13:13:21,857 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (or .cse10 .cse7 .cse9)) (.cse5 (or .cse6 .cse10 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse0 (< 1 ~waterLevel~0)) (.cse8 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse5 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse7 (not (= ~methAndRunningLastTime~0 0)) .cse8) (or .cse0 .cse8 .cse2 (or .cse7 .cse9))))) [2018-11-28 13:13:21,857 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) 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 13:13:21,857 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2018-11-28 13:13:21,857 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (or .cse10 .cse7 .cse8)) (.cse5 (or .cse9 .cse10 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse0 .cse2 (or .cse7 .cse8)) (or .cse5 .cse3 .cse4) (or .cse6 .cse9 .cse0 .cse2 .cse7 (not (= ~methAndRunningLastTime~0 0)))))) [2018-11-28 13:13:21,857 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-11-28 13:13:21,857 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2018-11-28 13:13:21,857 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-28 13:13:21,857 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-28 13:13:21,858 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-28 13:13:21,858 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-28 13:13:21,858 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2018-11-28 13:13:21,858 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2018-11-28 13:13:21,858 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2018-11-28 13:13:21,858 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,858 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse1 (<= ~waterLevel~0 1) .cse4 .cse2 .cse3) (<= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse6 .cse4 .cse2 .cse3) (and .cse0 .cse5 .cse6 .cse2 .cse3))) [2018-11-28 13:13:21,858 INFO L444 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 1 ~waterLevel~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2 .cse6 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse8 .cse6 .cse4 .cse3) (and (and .cse0 .cse5 .cse7 .cse4 .cse3) .cse8))) [2018-11-28 13:13:21,858 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2018-11-28 13:13:21,858 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L444 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L444 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse4 .cse3 .cse5) (and (and .cse0 .cse6 (<= ~waterLevel~0 1) .cse3 .cse5) (<= 1 ~waterLevel~0)))) [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse8 (<= 1 ~waterLevel~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse2 .cse6 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse8 .cse6 .cse4 .cse3) (and (and .cse0 .cse5 .cse7 .cse4 .cse3) .cse8))) [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2018-11-28 13:13:21,859 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< 2 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-11-28 13:13:21,860 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-28 13:13:21,860 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse4)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse1 (or .cse3 .cse4 .cse5) .cse2) (or .cse6 .cse7 (or .cse4 .cse5)) (or .cse0 .cse6 .cse7)))) [2018-11-28 13:13:21,860 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2018-11-28 13:13:21,860 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (or .cse1 .cse2)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (= 0 ~methAndRunningLastTime~0) .cse1 (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-28 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L444 ceAbstractionStarter]: At program point L307(line 307) 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 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) 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 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) 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 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2018-11-28 13:13:21,861 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:13:21,862 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 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4))) [2018-11-28 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse2 (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4))) [2018-11-28 13:13:21,862 INFO L444 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3))) [2018-11-28 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-11-28 13:13:21,862 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2018-11-28 13:13:21,863 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2018-11-28 13:13:21,863 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-11-28 13:13:21,863 INFO L448 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2018-11-28 13:13:21,863 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-11-28 13:13:21,863 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse1 .cse2 .cse3 .cse4) (or (or .cse7 .cse3 (not (= ~waterLevel~0 1)) .cse4 .cse5) .cse0) (or .cse6 (< 1 ~waterLevel~0) .cse7 (< ~waterLevel~0 1) .cse8 .cse3 .cse4))) [2018-11-28 13:13:21,863 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-28 13:13:21,863 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-28 13:13:21,863 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse14 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= 0 ~pumpRunning~0) .cse14 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse12 (or .cse3 .cse13)) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse2 (and .cse14 .cse10) (< |old(~waterLevel~0)| 1) .cse3 .cse5) (or (or .cse2 .cse3 .cse4 .cse5 .cse13) (and .cse14 .cse0 .cse10)) (or .cse1 .cse6 .cse11 .cse12 .cse3 (and .cse7 .cse8 .cse9 .cse0 .cse10) .cse5)))) [2018-11-28 13:13:21,864 INFO L444 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse14 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (<= ~waterLevel~0 1)) (.cse3 (<= 1 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse0 (= 0 ~methAndRunningLastTime~0) .cse15)) (.cse9 (not .cse14)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and .cse1 .cse0 .cse14 .cse15)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2 .cse3) .cse4 .cse5 (or .cse6 .cse7)) (or .cse8 (or .cse9 .cse10 .cse6 .cse11 .cse12)) (or .cse9 .cse13 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6 .cse12) (or (or .cse10 .cse6 .cse11 .cse12 .cse7) .cse8) (or .cse9 .cse10 .cse13 .cse4 .cse5 .cse6 .cse12)))) [2018-11-28 13:13:21,864 INFO L444 ceAbstractionStarter]: At program point L342(line 342) 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)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (< |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 .cse7 (and (not (= |old(~pumpRunning~0)| 0)) .cse8 .cse9) (or .cse3 .cse5)) (or .cse10 .cse1 .cse6 .cse7 .cse3 .cse4) (or .cse10 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse10 .cse6 (and .cse8 (= 0 ~methAndRunningLastTime~0) .cse9) .cse7 .cse3 .cse4))) [2018-11-28 13:13:21,864 INFO L448 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2018-11-28 13:13:21,864 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse0 .cse10 .cse1))) (and (or (and .cse0 .cse1) .cse2 .cse3 (or .cse4 .cse5)) (or .cse6 .cse7 .cse2 .cse3 .cse4 .cse8) (or .cse9 .cse2 .cse3 .cse4 .cse8 .cse5 .cse10) (or .cse6 (< 1 |old(~waterLevel~0)|) .cse9 (< |old(~waterLevel~0)| 1) .cse7 .cse4 .cse8) (or (or .cse9 .cse4 (not (= |old(~waterLevel~0)| 1)) .cse8 .cse5) .cse7)))) [2018-11-28 13:13:21,864 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2018-11-28 13:13:21,864 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2018-11-28 13:13:21,864 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2018-11-28 13:13:21,864 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2018-11-28 13:13:21,864 INFO L451 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2018-11-28 13:13:21,864 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L451 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L451 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2018-11-28 13:13:21,865 INFO L451 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-28 13:13:21,865 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2018-11-28 13:13:21,866 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2018-11-28 13:13:21,866 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:13:21,866 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 13:13:21,866 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:13:21,866 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:13:21,866 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse1)))) [2018-11-28 13:13:21,866 INFO L444 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse4 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 1)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse1 .cse2) (or .cse5 .cse4 .cse3 .cse6) (or .cse0 .cse5 .cse6 .cse3)))) [2018-11-28 13:13:21,866 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2018-11-28 13:13:21,866 INFO L444 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse4 (= |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) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse5 .cse6)))) [2018-11-28 13:13:21,866 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2018-11-28 13:13:21,866 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse5 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse6 .cse5 .cse1)))) [2018-11-28 13:13:21,866 INFO L448 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse5 (or (not (= ~methaneLevelCritical~0 1)) .cse6 .cse7)) (.cse3 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse5 .cse3 .cse4)))) [2018-11-28 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) 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 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2018-11-28 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-11-28 13:13:21,867 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2018-11-28 13:13:21,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:13:21 BoogieIcfgContainer [2018-11-28 13:13:21,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:13:21,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:13:21,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:13:21,881 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:13:21,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:13:08" (3/4) ... [2018-11-28 13:13:21,884 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:13:21,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:13:21,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:13:21,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:13:21,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:13:21,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:13:21,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:13:21,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:13:21,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:13:21,893 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:13:21,899 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 13:13:21,900 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:13:21,900 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:13:21,900 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:13:21,905 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:13:21,905 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:13:21,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || (((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) [2018-11-28 13:13:21,927 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:13:21,961 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43926cc5-bd73-4460-9de2-d3552d12438f/bin-2019/uautomizer/witness.graphml [2018-11-28 13:13:21,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:13:21,962 INFO L168 Benchmark]: Toolchain (without parser) took 13895.71 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 485.5 MB). Free memory was 951.7 MB in the beginning and 1.4 GB in the end (delta: -448.2 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:13:21,962 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:13:21,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:13:21,963 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:13:21,963 INFO L168 Benchmark]: Boogie Preprocessor took 28.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:13:21,963 INFO L168 Benchmark]: RCFGBuilder took 432.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:13:21,963 INFO L168 Benchmark]: TraceAbstraction took 12954.11 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -389.4 MB). Peak memory consumption was 619.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:13:21,964 INFO L168 Benchmark]: Witness Printer took 80.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:13:21,965 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -125.0 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.14 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 432.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12954.11 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -389.4 MB). Peak memory consumption was 619.1 MB. Max. memory is 11.5 GB. * Witness Printer took 80.59 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || (((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 1 <= waterLevel) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 12.8s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 4.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2858 SDtfs, 2800 SDslu, 7575 SDs, 0 SdLazy, 4938 SolverSat, 1302 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1197 GetRequests, 1050 SyntacticMatches, 4 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 362 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1658occurred 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: 0.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 1046 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3946 PreInvPairs, 4045 NumberOfFragments, 3326 HoareAnnotationTreeSize, 3946 FomulaSimplifications, 14106 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 15396 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2837 NumberOfCodeBlocks, 2837 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 2817 ConstructedInterpolants, 0 QuantifiedInterpolants, 715551 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4967 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 969/1062 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...