./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/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 324eb41748355c32a9add81086317d66d1f7b200 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:55:01,441 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:55:01,443 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:55:01,451 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:55:01,451 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:55:01,452 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:55:01,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:55:01,454 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:55:01,455 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:55:01,456 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:55:01,456 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:55:01,456 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:55:01,457 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:55:01,458 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:55:01,459 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:55:01,459 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:55:01,460 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:55:01,461 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:55:01,462 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:55:01,463 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:55:01,464 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:55:01,464 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:55:01,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:55:01,466 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:55:01,466 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:55:01,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:55:01,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:55:01,468 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:55:01,469 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:55:01,469 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:55:01,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:55:01,470 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:55:01,470 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:55:01,470 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:55:01,471 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:55:01,471 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:55:01,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 00:55:01,481 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:55:01,482 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:55:01,482 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:55:01,482 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:55:01,483 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:55:01,483 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:55:01,483 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 00:55:01,483 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:55:01,483 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:55:01,483 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:55:01,484 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:55:01,485 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:55:01,485 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:55:01,485 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:55:01,485 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:55:01,485 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:55:01,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:55:01,485 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:55:01,486 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:55:01,486 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:55:01,486 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 00:55:01,486 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:55:01,486 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:55:01,486 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_58a7c26a-2c31-45ea-b292-61a323a62682/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 -> 324eb41748355c32a9add81086317d66d1f7b200 [2018-12-09 00:55:01,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:55:01,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:55:01,517 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:55:01,518 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:55:01,518 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:55:01,519 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-12-09 00:55:01,553 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/data/3ecb8fe0f/2ffc2ced8811428980a043e19654d76a/FLAG00935d4d5 [2018-12-09 00:55:01,972 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:55:01,972 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-12-09 00:55:01,978 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/data/3ecb8fe0f/2ffc2ced8811428980a043e19654d76a/FLAG00935d4d5 [2018-12-09 00:55:01,986 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/data/3ecb8fe0f/2ffc2ced8811428980a043e19654d76a [2018-12-09 00:55:01,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:55:01,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:55:01,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:55:01,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:55:01,992 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:55:01,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:01" (1/1) ... [2018-12-09 00:55:01,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:01, skipping insertion in model container [2018-12-09 00:55:01,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:01" (1/1) ... [2018-12-09 00:55:01,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:55:02,020 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:55:02,203 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:55:02,210 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:55:02,249 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:55:02,264 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:55:02,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02 WrapperNode [2018-12-09 00:55:02,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:55:02,264 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:55:02,264 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:55:02,264 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:55:02,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:55:02,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:55:02,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:55:02,284 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:55:02,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... [2018-12-09 00:55:02,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:55:02,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:55:02,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:55:02,305 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:55:02,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/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 [2018-12-09 00:55:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:55:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:55:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:55:02,336 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 00:55:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 00:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:55:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:55:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:55:02,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:55:02,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 00:55:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:55:02,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:55:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:55:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:55:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:55:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:55:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:55:02,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:55:02,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:55:02,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:55:02,619 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:55:02,619 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:55:02,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:02 BoogieIcfgContainer [2018-12-09 00:55:02,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:55:02,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:55:02,620 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:55:02,622 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:55:02,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:55:01" (1/3) ... [2018-12-09 00:55:02,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61081fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:55:02, skipping insertion in model container [2018-12-09 00:55:02,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:02" (2/3) ... [2018-12-09 00:55:02,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61081fb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:55:02, skipping insertion in model container [2018-12-09 00:55:02,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:02" (3/3) ... [2018-12-09 00:55:02,625 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-12-09 00:55:02,632 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:55:02,636 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:55:02,646 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:55:02,664 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 00:55:02,664 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:55:02,664 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:55:02,664 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:55:02,664 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:55:02,665 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:55:02,665 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:55:02,665 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:55:02,665 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:55:02,678 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-12-09 00:55:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:55:02,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:02,684 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] [2018-12-09 00:55:02,685 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:02,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:02,689 INFO L82 PathProgramCache]: Analyzing trace with hash 309497542, now seen corresponding path program 1 times [2018-12-09 00:55:02,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:02,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:02,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:02,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:02,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:02,857 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:02,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:02,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:55:02,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:55:02,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:55:02,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:55:02,870 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-12-09 00:55:02,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:02,893 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2018-12-09 00:55:02,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:55:02,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 00:55:02,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:02,901 INFO L225 Difference]: With dead ends: 292 [2018-12-09 00:55:02,901 INFO L226 Difference]: Without dead ends: 146 [2018-12-09 00:55:02,904 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 [2018-12-09 00:55:02,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-09 00:55:02,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-09 00:55:02,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-09 00:55:02,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2018-12-09 00:55:02,935 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2018-12-09 00:55:02,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:02,935 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2018-12-09 00:55:02,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:55:02,935 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2018-12-09 00:55:02,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 00:55:02,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:02,937 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] [2018-12-09 00:55:02,937 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:02,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:02,938 INFO L82 PathProgramCache]: Analyzing trace with hash 50384909, now seen corresponding path program 1 times [2018-12-09 00:55:02,938 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:02,938 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:02,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:02,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:02,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:02,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:02,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:55:02,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:55:02,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:55:02,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:55:02,988 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2018-12-09 00:55:03,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:03,001 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-12-09 00:55:03,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:55:03,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 00:55:03,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:03,003 INFO L225 Difference]: With dead ends: 241 [2018-12-09 00:55:03,003 INFO L226 Difference]: Without dead ends: 137 [2018-12-09 00:55:03,004 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 [2018-12-09 00:55:03,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-09 00:55:03,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-09 00:55:03,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-09 00:55:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-12-09 00:55:03,012 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2018-12-09 00:55:03,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:03,012 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-12-09 00:55:03,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:55:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-12-09 00:55:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 00:55:03,014 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:03,014 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:03,014 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:03,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:03,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1719848662, now seen corresponding path program 1 times [2018-12-09 00:55:03,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:03,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:03,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,015 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:03,015 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:03,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:03,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:55:03,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:55:03,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:55:03,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:55:03,082 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2018-12-09 00:55:03,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:03,258 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2018-12-09 00:55:03,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:55:03,259 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 00:55:03,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:03,260 INFO L225 Difference]: With dead ends: 250 [2018-12-09 00:55:03,260 INFO L226 Difference]: Without dead ends: 137 [2018-12-09 00:55:03,260 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 [2018-12-09 00:55:03,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-12-09 00:55:03,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-12-09 00:55:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-12-09 00:55:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2018-12-09 00:55:03,268 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2018-12-09 00:55:03,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:03,268 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2018-12-09 00:55:03,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:55:03,268 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2018-12-09 00:55:03,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 00:55:03,269 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:03,270 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:03,270 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:03,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:03,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1872109176, now seen corresponding path program 1 times [2018-12-09 00:55:03,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:03,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:03,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:03,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:03,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:03,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:03,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:55:03,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:55:03,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:55:03,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:55:03,332 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2018-12-09 00:55:03,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:03,603 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2018-12-09 00:55:03,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:55:03,603 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 00:55:03,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:03,605 INFO L225 Difference]: With dead ends: 358 [2018-12-09 00:55:03,605 INFO L226 Difference]: Without dead ends: 245 [2018-12-09 00:55:03,606 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 [2018-12-09 00:55:03,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-09 00:55:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-12-09 00:55:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-12-09 00:55:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-12-09 00:55:03,621 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2018-12-09 00:55:03,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:03,622 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-12-09 00:55:03,622 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:55:03,622 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-12-09 00:55:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 00:55:03,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:03,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:03,623 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:03,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:03,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1423110013, now seen corresponding path program 1 times [2018-12-09 00:55:03,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:03,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:03,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:03,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:03,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:03,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:03,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:55:03,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:55:03,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:55:03,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:55:03,681 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2018-12-09 00:55:03,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:03,789 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2018-12-09 00:55:03,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:55:03,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 00:55:03,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:03,792 INFO L225 Difference]: With dead ends: 556 [2018-12-09 00:55:03,792 INFO L226 Difference]: Without dead ends: 353 [2018-12-09 00:55:03,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:55:03,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-12-09 00:55:03,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2018-12-09 00:55:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-12-09 00:55:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2018-12-09 00:55:03,820 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2018-12-09 00:55:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:03,820 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2018-12-09 00:55:03,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:55:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2018-12-09 00:55:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 00:55:03,821 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:03,821 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:03,821 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:03,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:03,822 INFO L82 PathProgramCache]: Analyzing trace with hash -1055268227, now seen corresponding path program 1 times [2018-12-09 00:55:03,822 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:03,822 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:03,822 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,822 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:03,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:03,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:03,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:55:03,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:55:03,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:55:03,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:55:03,885 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2018-12-09 00:55:04,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:04,015 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2018-12-09 00:55:04,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:55:04,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 00:55:04,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:04,019 INFO L225 Difference]: With dead ends: 750 [2018-12-09 00:55:04,019 INFO L226 Difference]: Without dead ends: 547 [2018-12-09 00:55:04,020 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:55:04,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-12-09 00:55:04,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2018-12-09 00:55:04,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-12-09 00:55:04,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2018-12-09 00:55:04,053 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2018-12-09 00:55:04,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:04,053 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2018-12-09 00:55:04,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:55:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2018-12-09 00:55:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 00:55:04,055 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:04,055 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:04,055 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:04,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:04,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1977951810, now seen corresponding path program 1 times [2018-12-09 00:55:04,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:04,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:04,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:04,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:04,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:04,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 00:55:04,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 00:55:04,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 00:55:04,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:55:04,091 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2018-12-09 00:55:04,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:04,122 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2018-12-09 00:55:04,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 00:55:04,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-09 00:55:04,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:04,124 INFO L225 Difference]: With dead ends: 922 [2018-12-09 00:55:04,124 INFO L226 Difference]: Without dead ends: 539 [2018-12-09 00:55:04,125 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 00:55:04,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-12-09 00:55:04,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2018-12-09 00:55:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-12-09 00:55:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2018-12-09 00:55:04,142 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2018-12-09 00:55:04,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:04,142 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2018-12-09 00:55:04,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 00:55:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2018-12-09 00:55:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 00:55:04,143 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:04,143 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:04,143 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:04,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:04,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1473009984, now seen corresponding path program 1 times [2018-12-09 00:55:04,144 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:04,144 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:04,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:04,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:04,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:04,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:04,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 00:55:04,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 00:55:04,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 00:55:04,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:55:04,211 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2018-12-09 00:55:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:04,252 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2018-12-09 00:55:04,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 00:55:04,252 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-09 00:55:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:04,255 INFO L225 Difference]: With dead ends: 1059 [2018-12-09 00:55:04,255 INFO L226 Difference]: Without dead ends: 550 [2018-12-09 00:55:04,256 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:55:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-12-09 00:55:04,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2018-12-09 00:55:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-12-09 00:55:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2018-12-09 00:55:04,281 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2018-12-09 00:55:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:04,281 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2018-12-09 00:55:04,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 00:55:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2018-12-09 00:55:04,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 00:55:04,282 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:04,283 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] [2018-12-09 00:55:04,283 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:04,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:04,283 INFO L82 PathProgramCache]: Analyzing trace with hash 341149841, now seen corresponding path program 1 times [2018-12-09 00:55:04,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:04,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:04,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:04,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:55:04,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:55:04,359 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/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 [2018-12-09 00:55:04,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:04,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:55:04,517 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:55:04,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:55:04,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-09 00:55:04,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 00:55:04,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 00:55:04,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-09 00:55:04,542 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 14 states. [2018-12-09 00:55:04,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:04,947 INFO L93 Difference]: Finished difference Result 1457 states and 1779 transitions. [2018-12-09 00:55:04,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 00:55:04,947 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-12-09 00:55:04,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:04,950 INFO L225 Difference]: With dead ends: 1457 [2018-12-09 00:55:04,950 INFO L226 Difference]: Without dead ends: 941 [2018-12-09 00:55:04,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-09 00:55:04,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-12-09 00:55:04,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2018-12-09 00:55:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2018-12-09 00:55:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1098 transitions. [2018-12-09 00:55:04,985 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1098 transitions. Word has length 100 [2018-12-09 00:55:04,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:04,985 INFO L480 AbstractCegarLoop]: Abstraction has 938 states and 1098 transitions. [2018-12-09 00:55:04,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 00:55:04,985 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1098 transitions. [2018-12-09 00:55:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 00:55:04,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:04,987 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:04,987 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:04,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:04,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1406056147, now seen corresponding path program 1 times [2018-12-09 00:55:04,987 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:04,987 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:04,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:04,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:05,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:55:05,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:05,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 00:55:05,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:55:05,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:55:05,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:55:05,056 INFO L87 Difference]: Start difference. First operand 938 states and 1098 transitions. Second operand 10 states. [2018-12-09 00:55:05,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:05,216 INFO L93 Difference]: Finished difference Result 1862 states and 2183 transitions. [2018-12-09 00:55:05,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 00:55:05,216 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-09 00:55:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:05,220 INFO L225 Difference]: With dead ends: 1862 [2018-12-09 00:55:05,220 INFO L226 Difference]: Without dead ends: 948 [2018-12-09 00:55:05,222 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:55:05,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2018-12-09 00:55:05,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 908. [2018-12-09 00:55:05,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2018-12-09 00:55:05,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1031 transitions. [2018-12-09 00:55:05,259 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1031 transitions. Word has length 104 [2018-12-09 00:55:05,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:05,259 INFO L480 AbstractCegarLoop]: Abstraction has 908 states and 1031 transitions. [2018-12-09 00:55:05,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:55:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1031 transitions. [2018-12-09 00:55:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 00:55:05,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:05,261 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:05,261 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:05,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:05,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836691, now seen corresponding path program 1 times [2018-12-09 00:55:05,262 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:05,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:05,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:05,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:05,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:55:05,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:55:05,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 00:55:05,346 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 00:55:05,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 00:55:05,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 00:55:05,346 INFO L87 Difference]: Start difference. First operand 908 states and 1031 transitions. Second operand 10 states. [2018-12-09 00:55:05,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:05,466 INFO L93 Difference]: Finished difference Result 1766 states and 2027 transitions. [2018-12-09 00:55:05,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 00:55:05,466 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-09 00:55:05,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:05,469 INFO L225 Difference]: With dead ends: 1766 [2018-12-09 00:55:05,469 INFO L226 Difference]: Without dead ends: 882 [2018-12-09 00:55:05,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:55:05,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-12-09 00:55:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 866. [2018-12-09 00:55:05,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2018-12-09 00:55:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 981 transitions. [2018-12-09 00:55:05,492 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 981 transitions. Word has length 104 [2018-12-09 00:55:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:05,493 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 981 transitions. [2018-12-09 00:55:05,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 00:55:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 981 transitions. [2018-12-09 00:55:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 00:55:05,495 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:05,495 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] [2018-12-09 00:55:05,495 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:05,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:05,495 INFO L82 PathProgramCache]: Analyzing trace with hash -968247840, now seen corresponding path program 1 times [2018-12-09 00:55:05,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:05,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:05,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:05,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:05,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:05,544 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 00:55:05,544 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:55:05,544 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/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 [2018-12-09 00:55:05,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:05,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:55:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 00:55:05,730 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:55:05,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-12-09 00:55:05,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 00:55:05,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 00:55:05,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:55:05,731 INFO L87 Difference]: Start difference. First operand 866 states and 981 transitions. Second operand 13 states. [2018-12-09 00:55:06,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:06,749 INFO L93 Difference]: Finished difference Result 2287 states and 2787 transitions. [2018-12-09 00:55:06,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 00:55:06,749 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-12-09 00:55:06,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:06,754 INFO L225 Difference]: With dead ends: 2287 [2018-12-09 00:55:06,754 INFO L226 Difference]: Without dead ends: 1445 [2018-12-09 00:55:06,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-12-09 00:55:06,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-12-09 00:55:06,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1234. [2018-12-09 00:55:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2018-12-09 00:55:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1385 transitions. [2018-12-09 00:55:06,820 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1385 transitions. Word has length 149 [2018-12-09 00:55:06,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:06,820 INFO L480 AbstractCegarLoop]: Abstraction has 1234 states and 1385 transitions. [2018-12-09 00:55:06,820 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 00:55:06,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1385 transitions. [2018-12-09 00:55:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 00:55:06,823 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:55:06,824 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:55:06,824 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:55:06,824 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:55:06,824 INFO L82 PathProgramCache]: Analyzing trace with hash -387257149, now seen corresponding path program 1 times [2018-12-09 00:55:06,824 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 00:55:06,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 00:55:06,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:06,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:06,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:55:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:55:06,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:55:06,881 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/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 [2018-12-09 00:55:06,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:55:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:55:06,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:55:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 00:55:07,057 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:55:07,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-09 00:55:07,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 00:55:07,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 00:55:07,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-09 00:55:07,058 INFO L87 Difference]: Start difference. First operand 1234 states and 1385 transitions. Second operand 15 states. [2018-12-09 00:55:08,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:55:08,394 INFO L93 Difference]: Finished difference Result 3081 states and 3990 transitions. [2018-12-09 00:55:08,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 00:55:08,394 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-12-09 00:55:08,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:55:08,395 INFO L225 Difference]: With dead ends: 3081 [2018-12-09 00:55:08,395 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:55:08,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-09 00:55:08,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:55:08,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:55:08,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:55:08,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:55:08,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-12-09 00:55:08,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:55:08,399 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:55:08,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 00:55:08,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:55:08,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:55:08,402 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:55:08,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:08,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:09,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:09,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:09,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:09,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:55:09,248 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-12-09 00:55:09,677 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 51 [2018-12-09 00:55:10,243 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-12-09 00:55:10,399 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-12-09 00:55:10,527 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-12-09 00:55:10,980 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-12-09 00:55:11,886 WARN L180 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-12-09 00:55:12,155 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-12-09 00:55:12,411 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2018-12-09 00:55:12,634 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-12-09 00:55:12,713 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2018-12-09 00:55:12,713 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2018-12-09 00:55:12,713 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2018-12-09 00:55:12,713 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2018-12-09 00:55:12,713 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2018-12-09 00:55:12,713 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,713 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-12-09 00:55:12,713 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-12-09 00:55:12,713 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-12-09 00:55:12,713 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-12-09 00:55:12,713 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,714 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,714 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L451 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2018-12-09 00:55:12,714 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-12-09 00:55:12,714 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L451 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-12-09 00:55:12,715 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-09 00:55:12,715 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-12-09 00:55:12,715 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-09 00:55:12,715 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L444 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-12-09 00:55:12,716 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse4 (and (not (= ~waterLevel~0 2)) .cse0 .cse3) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:55:12,717 INFO L444 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse6 .cse3) (not (= ~systemActive~0 1)) (and .cse2 .cse6 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:55:12,717 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)) [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-09 00:55:12,717 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-12-09 00:55:12,717 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-12-09 00:55:12,718 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-12-09 00:55:12,719 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-12-09 00:55:12,719 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse16 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (or .cse16 .cse3)) (.cse9 (and (<= ~waterLevel~0 1) .cse15)) (.cse8 (and .cse12 (<= ~waterLevel~0 0))) (.cse11 (or .cse14 .cse16 .cse3)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and (<= ~waterLevel~0 2) .cse15)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse5 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 .cse8) (or .cse9 .cse10 .cse7 .cse5) (or .cse0 .cse9 .cse10 .cse11) (or .cse0 .cse6 .cse8 .cse11) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse12) (or (or .cse6 .cse1 .cse3) .cse5 .cse12) (or .cse0 .cse1 .cse10 .cse13 .cse3) (or .cse1 .cse13 .cse10 .cse3 .cse5)))) [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-12-09 00:55:12,719 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-12-09 00:55:12,719 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-12-09 00:55:12,719 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2018-12-09 00:55:12,719 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse1 .cse3 .cse6) (or .cse4 .cse5 .cse3 .cse6))) [2018-12-09 00:55:12,719 INFO L448 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (< 1 ~waterLevel~0) .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse3 .cse6) (or (< 0 ~waterLevel~0) .cse1 .cse5 .cse3 .cse6) (or .cse1 .cse5 .cse3 (not (= ~waterLevel~0 1)) .cse6))) [2018-12-09 00:55:12,720 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L451 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-12-09 00:55:12,720 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-09 00:55:12,720 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:55:12,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:55:12,720 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or (or (< 0 ~waterLevel~0) .cse7 .cse0 .cse5) .cse1) (or .cse8 .cse9 .cse5 .cse6) (or .cse7 .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1))) (or .cse7 .cse0 .cse4 .cse5 (and .cse2 .cse3)) (or .cse7 .cse8 .cse9 .cse5))) [2018-12-09 00:55:12,721 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (and (<= ~waterLevel~0 1) .cse9)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse6 .cse7 .cse3) (or .cse8 .cse1 .cse0 .cse2 .cse5 .cse3)))) [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2018-12-09 00:55:12,721 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-12-09 00:55:12,721 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-12-09 00:55:12,722 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-12-09 00:55:12,722 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-12-09 00:55:12,722 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-12-09 00:55:12,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:55:12 BoogieIcfgContainer [2018-12-09 00:55:12,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:55:12,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:55:12,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:55:12,730 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:55:12,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:02" (3/4) ... [2018-12-09 00:55:12,734 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:55:12,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:55:12,740 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:55:12,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 00:55:12,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 00:55:12,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 00:55:12,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:55:12,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:55:12,747 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:55:12,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:55:12,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:55:12,794 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58a7c26a-2c31-45ea-b292-61a323a62682/bin-2019/uautomizer/witness.graphml [2018-12-09 00:55:12,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:55:12,795 INFO L168 Benchmark]: Toolchain (without parser) took 10806.43 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 495.5 MB). Free memory was 950.6 MB in the beginning and 1.3 GB in the end (delta: -364.6 MB). Peak memory consumption was 130.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:12,795 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 00:55:12,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:12,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:12,796 INFO L168 Benchmark]: Boogie Preprocessor took 20.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:55:12,796 INFO L168 Benchmark]: RCFGBuilder took 314.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:12,796 INFO L168 Benchmark]: TraceAbstraction took 10110.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 357.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -270.4 MB). Peak memory consumption was 614.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:12,796 INFO L168 Benchmark]: Witness Printer took 64.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:55:12,797 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 274.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 314.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10110.05 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 357.6 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -270.4 MB). Peak memory consumption was 614.5 MB. Max. memory is 11.5 GB. * Witness Printer took 64.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2526 SDtfs, 2418 SDslu, 9366 SDs, 0 SdLazy, 6165 SolverSat, 1217 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 443 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1234occurred in iteration=12, 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: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 326 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3379 PreInvPairs, 3913 NumberOfFragments, 3096 HoareAnnotationTreeSize, 3379 FomulaSimplifications, 19541 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 65 FomulaSimplificationsInter, 30624 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1576 ConstructedInterpolants, 0 QuantifiedInterpolants, 303641 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2446 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 114/132 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...