./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/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 bf50661cace84e24af5f399094bd98fed0ff7444 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 09:18:52,459 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 09:18:52,461 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 09:18:52,469 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 09:18:52,469 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 09:18:52,470 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 09:18:52,471 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 09:18:52,472 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 09:18:52,473 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 09:18:52,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 09:18:52,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 09:18:52,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 09:18:52,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 09:18:52,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 09:18:52,478 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 09:18:52,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 09:18:52,479 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 09:18:52,481 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 09:18:52,482 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 09:18:52,483 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 09:18:52,484 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 09:18:52,485 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 09:18:52,487 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 09:18:52,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 09:18:52,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 09:18:52,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 09:18:52,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 09:18:52,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 09:18:52,490 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 09:18:52,491 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 09:18:52,491 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 09:18:52,492 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 09:18:52,492 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 09:18:52,492 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 09:18:52,493 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 09:18:52,493 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 09:18:52,494 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 09:18:52,505 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 09:18:52,505 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 09:18:52,505 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 09:18:52,506 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 09:18:52,506 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 09:18:52,506 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 09:18:52,506 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 09:18:52,506 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 09:18:52,507 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 09:18:52,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 09:18:52,508 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 09:18:52,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:18:52,509 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 09:18:52,509 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 09:18:52,509 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 09:18:52,509 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 09:18:52,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 09:18:52,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 09:18:52,510 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_75abf777-8ed6-433a-99f2-5496ae69c7b1/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 -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-11-23 09:18:52,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 09:18:52,546 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 09:18:52,549 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 09:18:52,550 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 09:18:52,550 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 09:18:52,551 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-23 09:18:52,591 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/data/35d37ea0d/35edea81e4f24266902e22b9107ccaad/FLAGc82f09104 [2018-11-23 09:18:52,933 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 09:18:52,933 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-23 09:18:52,940 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/data/35d37ea0d/35edea81e4f24266902e22b9107ccaad/FLAGc82f09104 [2018-11-23 09:18:52,948 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/data/35d37ea0d/35edea81e4f24266902e22b9107ccaad [2018-11-23 09:18:52,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 09:18:52,951 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 09:18:52,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 09:18:52,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 09:18:52,955 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 09:18:52,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:52" (1/1) ... [2018-11-23 09:18:52,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6541d289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:52, skipping insertion in model container [2018-11-23 09:18:52,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:18:52" (1/1) ... [2018-11-23 09:18:52,963 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 09:18:52,993 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 09:18:53,191 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:18:53,247 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 09:18:53,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 09:18:53,334 INFO L195 MainTranslator]: Completed translation [2018-11-23 09:18:53,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53 WrapperNode [2018-11-23 09:18:53,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 09:18:53,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 09:18:53,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 09:18:53,335 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 09:18:53,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 09:18:53,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 09:18:53,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 09:18:53,365 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 09:18:53,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,376 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... [2018-11-23 09:18:53,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 09:18:53,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 09:18:53,398 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 09:18:53,398 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 09:18:53,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 09:18:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 09:18:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 09:18:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 09:18:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 09:18:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 09:18:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 09:18:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 09:18:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 09:18:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 09:18:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 09:18:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 09:18:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 09:18:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 09:18:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 09:18:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 09:18:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 09:18:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 09:18:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 09:18:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 09:18:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 09:18:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 09:18:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 09:18:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 09:18:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 09:18:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 09:18:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 09:18:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 09:18:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 09:18:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 09:18:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 09:18:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 09:18:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 09:18:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 09:18:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:18:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:18:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 09:18:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 09:18:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 09:18:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 09:18:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 09:18:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 09:18:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:18:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:18:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 09:18:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 09:18:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 09:18:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 09:18:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 09:18:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 09:18:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 09:18:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 09:18:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 09:18:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 09:18:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 09:18:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 09:18:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 09:18:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 09:18:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 09:18:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 09:18:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 09:18:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 09:18:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 09:18:53,930 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 09:18:53,930 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 09:18:53,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:53 BoogieIcfgContainer [2018-11-23 09:18:53,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 09:18:53,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 09:18:53,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 09:18:53,934 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 09:18:53,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:18:52" (1/3) ... [2018-11-23 09:18:53,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4b9275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:53, skipping insertion in model container [2018-11-23 09:18:53,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:18:53" (2/3) ... [2018-11-23 09:18:53,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4b9275 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:18:53, skipping insertion in model container [2018-11-23 09:18:53,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:53" (3/3) ... [2018-11-23 09:18:53,937 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-23 09:18:53,945 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 09:18:53,951 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 09:18:53,964 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 09:18:53,990 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 09:18:53,990 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 09:18:53,990 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 09:18:53,990 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 09:18:53,990 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 09:18:53,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 09:18:53,991 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 09:18:53,991 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 09:18:53,991 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 09:18:54,008 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-23 09:18:54,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 09:18:54,015 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:54,016 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:54,018 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:54,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:54,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1498738476, now seen corresponding path program 1 times [2018-11-23 09:18:54,025 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:54,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:54,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:54,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:54,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:54,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:54,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 09:18:54,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 09:18:54,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 09:18:54,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:18:54,230 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-23 09:18:54,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:54,265 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2018-11-23 09:18:54,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 09:18:54,266 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 09:18:54,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:54,278 INFO L225 Difference]: With dead ends: 300 [2018-11-23 09:18:54,278 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 09:18:54,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 09:18:54,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 09:18:54,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 09:18:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 09:18:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2018-11-23 09:18:54,330 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2018-11-23 09:18:54,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:54,331 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2018-11-23 09:18:54,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 09:18:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2018-11-23 09:18:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 09:18:54,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:54,333 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:54,334 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:54,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:54,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1709760892, now seen corresponding path program 1 times [2018-11-23 09:18:54,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:54,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:54,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:54,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:54,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:54,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 09:18:54,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 09:18:54,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 09:18:54,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:18:54,429 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2018-11-23 09:18:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:54,450 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2018-11-23 09:18:54,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 09:18:54,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 09:18:54,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:54,452 INFO L225 Difference]: With dead ends: 249 [2018-11-23 09:18:54,452 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 09:18:54,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 09:18:54,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 09:18:54,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 09:18:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 09:18:54,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2018-11-23 09:18:54,465 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2018-11-23 09:18:54,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:54,466 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2018-11-23 09:18:54,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 09:18:54,466 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2018-11-23 09:18:54,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 09:18:54,467 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:54,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:54,468 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:54,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:54,468 INFO L82 PathProgramCache]: Analyzing trace with hash -1598085398, now seen corresponding path program 1 times [2018-11-23 09:18:54,468 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:54,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:54,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:54,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:54,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:54,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:54,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:18:54,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:18:54,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:18:54,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:18:54,591 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2018-11-23 09:18:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:54,826 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2018-11-23 09:18:54,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:18:54,827 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 09:18:54,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:54,828 INFO L225 Difference]: With dead ends: 258 [2018-11-23 09:18:54,828 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 09:18:54,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 09:18:54,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 09:18:54,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 09:18:54,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 09:18:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-23 09:18:54,841 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-11-23 09:18:54,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:54,842 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-23 09:18:54,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:18:54,842 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-23 09:18:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-23 09:18:54,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:54,844 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:54,845 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:54,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:54,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1284631829, now seen corresponding path program 1 times [2018-11-23 09:18:54,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:54,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:54,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:54,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:54,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:54,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 09:18:54,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 09:18:54,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 09:18:54,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 09:18:54,953 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2018-11-23 09:18:55,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:55,355 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2018-11-23 09:18:55,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 09:18:55,355 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-23 09:18:55,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:55,357 INFO L225 Difference]: With dead ends: 367 [2018-11-23 09:18:55,357 INFO L226 Difference]: Without dead ends: 250 [2018-11-23 09:18:55,358 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:18:55,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-11-23 09:18:55,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2018-11-23 09:18:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-23 09:18:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2018-11-23 09:18:55,379 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2018-11-23 09:18:55,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:55,381 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2018-11-23 09:18:55,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 09:18:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2018-11-23 09:18:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 09:18:55,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:55,383 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:55,383 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:55,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:55,383 INFO L82 PathProgramCache]: Analyzing trace with hash -65271002, now seen corresponding path program 1 times [2018-11-23 09:18:55,383 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:55,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:55,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:55,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:55,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:55,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:55,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 09:18:55,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 09:18:55,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 09:18:55,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:18:55,479 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2018-11-23 09:18:55,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:55,537 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2018-11-23 09:18:55,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:18:55,539 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-23 09:18:55,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:55,542 INFO L225 Difference]: With dead ends: 447 [2018-11-23 09:18:55,542 INFO L226 Difference]: Without dead ends: 239 [2018-11-23 09:18:55,543 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 09:18:55,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-23 09:18:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 236. [2018-11-23 09:18:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-23 09:18:55,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 268 transitions. [2018-11-23 09:18:55,561 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 268 transitions. Word has length 83 [2018-11-23 09:18:55,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:55,561 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 268 transitions. [2018-11-23 09:18:55,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 09:18:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 268 transitions. [2018-11-23 09:18:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 09:18:55,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:55,563 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:55,563 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:55,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:55,563 INFO L82 PathProgramCache]: Analyzing trace with hash -766870876, now seen corresponding path program 1 times [2018-11-23 09:18:55,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:55,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:55,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:55,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:55,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:55,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:55,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:55,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:18:55,684 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:18:55,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:18:55,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:18:55,684 INFO L87 Difference]: Start difference. First operand 236 states and 268 transitions. Second operand 6 states. [2018-11-23 09:18:55,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:55,852 INFO L93 Difference]: Finished difference Result 645 states and 754 transitions. [2018-11-23 09:18:55,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 09:18:55,854 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-23 09:18:55,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:55,856 INFO L225 Difference]: With dead ends: 645 [2018-11-23 09:18:55,856 INFO L226 Difference]: Without dead ends: 433 [2018-11-23 09:18:55,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 09:18:55,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-23 09:18:55,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-11-23 09:18:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-23 09:18:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 486 transitions. [2018-11-23 09:18:55,885 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 486 transitions. Word has length 83 [2018-11-23 09:18:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:55,885 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 486 transitions. [2018-11-23 09:18:55,885 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:18:55,885 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 486 transitions. [2018-11-23 09:18:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 09:18:55,887 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:55,887 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:55,887 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:55,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:55,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1867403624, now seen corresponding path program 1 times [2018-11-23 09:18:55,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:55,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:55,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:55,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:55,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:55,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:55,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 09:18:55,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 09:18:55,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 09:18:55,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:18:55,967 INFO L87 Difference]: Start difference. First operand 427 states and 486 transitions. Second operand 7 states. [2018-11-23 09:18:56,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:56,364 INFO L93 Difference]: Finished difference Result 460 states and 536 transitions. [2018-11-23 09:18:56,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 09:18:56,365 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-23 09:18:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:56,367 INFO L225 Difference]: With dead ends: 460 [2018-11-23 09:18:56,367 INFO L226 Difference]: Without dead ends: 457 [2018-11-23 09:18:56,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 09:18:56,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-23 09:18:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2018-11-23 09:18:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-23 09:18:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2018-11-23 09:18:56,386 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 87 [2018-11-23 09:18:56,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:56,387 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2018-11-23 09:18:56,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 09:18:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2018-11-23 09:18:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 09:18:56,388 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:56,389 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:56,389 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:56,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:56,389 INFO L82 PathProgramCache]: Analyzing trace with hash 157461945, now seen corresponding path program 1 times [2018-11-23 09:18:56,389 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:56,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:56,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:56,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:56,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:18:56,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:56,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 09:18:56,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 09:18:56,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 09:18:56,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 09:18:56,445 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand 6 states. [2018-11-23 09:18:56,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:56,471 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2018-11-23 09:18:56,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 09:18:56,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 09:18:56,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:56,473 INFO L225 Difference]: With dead ends: 844 [2018-11-23 09:18:56,474 INFO L226 Difference]: Without dead ends: 441 [2018-11-23 09:18:56,475 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 09:18:56,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-23 09:18:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2018-11-23 09:18:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-11-23 09:18:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2018-11-23 09:18:56,492 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2018-11-23 09:18:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:56,492 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2018-11-23 09:18:56,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 09:18:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2018-11-23 09:18:56,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 09:18:56,494 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:56,494 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:56,494 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:56,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash 937564156, now seen corresponding path program 1 times [2018-11-23 09:18:56,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:56,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:56,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:56,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:56,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 09:18:56,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 09:18:56,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 09:18:56,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 09:18:56,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 09:18:56,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:18:56,579 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2018-11-23 09:18:56,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:56,714 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2018-11-23 09:18:56,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 09:18:56,716 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 09:18:56,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:56,719 INFO L225 Difference]: With dead ends: 1297 [2018-11-23 09:18:56,719 INFO L226 Difference]: Without dead ends: 884 [2018-11-23 09:18:56,720 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 09:18:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-23 09:18:56,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2018-11-23 09:18:56,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-23 09:18:56,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2018-11-23 09:18:56,750 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2018-11-23 09:18:56,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:56,751 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2018-11-23 09:18:56,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 09:18:56,751 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2018-11-23 09:18:56,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 09:18:56,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:56,753 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:56,753 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:56,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:56,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1484540002, now seen corresponding path program 1 times [2018-11-23 09:18:56,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:56,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:56,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:56,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:56,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 09:18:56,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:18:56,863 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:18:56,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:56,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:18:57,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 09:18:57,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:18:57,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 09:18:57,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 09:18:57,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 09:18:57,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 09:18:57,164 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 19 states. [2018-11-23 09:18:58,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:58,060 INFO L93 Difference]: Finished difference Result 1682 states and 1988 transitions. [2018-11-23 09:18:58,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 09:18:58,061 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-23 09:18:58,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:58,064 INFO L225 Difference]: With dead ends: 1682 [2018-11-23 09:18:58,065 INFO L226 Difference]: Without dead ends: 837 [2018-11-23 09:18:58,067 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 09:18:58,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-11-23 09:18:58,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2018-11-23 09:18:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-11-23 09:18:58,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 963 transitions. [2018-11-23 09:18:58,104 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 963 transitions. Word has length 107 [2018-11-23 09:18:58,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:58,104 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 963 transitions. [2018-11-23 09:18:58,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 09:18:58,104 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 963 transitions. [2018-11-23 09:18:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-23 09:18:58,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 09:18:58,108 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 09:18:58,108 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 09:18:58,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 09:18:58,108 INFO L82 PathProgramCache]: Analyzing trace with hash 98941654, now seen corresponding path program 1 times [2018-11-23 09:18:58,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 09:18:58,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 09:18:58,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:58,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:58,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 09:18:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 09:18:58,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 09:18:58,230 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 09:18:58,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 09:18:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 09:18:58,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 09:18:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 09:18:58,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 09:18:58,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 09:18:58,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 09:18:58,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 09:18:58,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 09:18:58,470 INFO L87 Difference]: Start difference. First operand 837 states and 963 transitions. Second operand 19 states. [2018-11-23 09:18:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 09:18:59,076 INFO L93 Difference]: Finished difference Result 1397 states and 1636 transitions. [2018-11-23 09:18:59,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 09:18:59,076 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-11-23 09:18:59,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 09:18:59,077 INFO L225 Difference]: With dead ends: 1397 [2018-11-23 09:18:59,077 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 09:18:59,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 09:18:59,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 09:18:59,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 09:18:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 09:18:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 09:18:59,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-23 09:18:59,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 09:18:59,080 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 09:18:59,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 09:18:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 09:18:59,080 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 09:18:59,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 09:18:59,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 09:18:59,673 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-11-23 09:19:00,534 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-11-23 09:19:00,985 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 09:19:00,985 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 09:19:00,985 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 09:19:00,985 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 09:19:00,985 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 09:19:00,985 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) 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))) [2018-11-23 09:19:00,985 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-11-23 09:19:00,985 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:19:00,985 INFO L444 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:19:00,986 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-11-23 09:19:00,986 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-11-23 09:19:00,986 INFO L448 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-11-23 09:19:00,986 INFO L444 ceAbstractionStarter]: At program point L307(line 307) 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))) [2018-11-23 09:19:00,986 INFO L444 ceAbstractionStarter]: At program point L306(line 306) 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))) [2018-11-23 09:19:00,986 INFO L444 ceAbstractionStarter]: At program point L306-1(line 306) 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))) [2018-11-23 09:19:00,986 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-11-23 09:19:00,986 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 09:19:00,986 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-11-23 09:19:00,986 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-23 09:19:00,987 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-23 09:19:00,987 INFO L444 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-23 09:19:00,987 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-11-23 09:19:00,988 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 09:19:00,988 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) 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))) [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-11-23 09:19:00,988 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-11-23 09:19:00,988 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-23 09:19:00,988 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-23 09:19:00,989 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-11-23 09:19:00,989 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-23 09:19:00,989 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:19:00,989 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-11-23 09:19:00,990 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 566 629) 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))) [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L444 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L444 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-23 09:19:00,990 INFO L448 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-23 09:19:00,991 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L451 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-23 09:19:00,992 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-11-23 09:19:00,992 INFO L444 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-11-23 09:19:00,992 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-11-23 09:19:00,993 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-11-23 09:19:00,993 INFO L451 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L451 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-11-23 09:19:00,993 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-23 09:19:00,993 INFO L451 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2018-11-23 09:19:00,994 INFO L451 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-23 09:19:00,994 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-23 09:19:00,994 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-23 09:19:00,994 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-11-23 09:19:00,994 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 09:19:00,994 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)) [2018-11-23 09:19:00,995 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 09:19:00,995 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 09:19:00,995 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-23 09:19:00,995 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-23 09:19:00,995 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-11-23 09:19:00,995 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-11-23 09:19:00,995 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-23 09:19:00,995 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-11-23 09:19:00,995 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-11-23 09:19:00,996 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-23 09:19:00,996 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-11-23 09:19:00,997 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-11-23 09:19:00,997 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 09:19:00,997 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-23 09:19:00,997 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 09:19:00,997 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-23 09:19:00,997 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-11-23 09:19:00,997 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-11-23 09:19:00,997 INFO L451 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-11-23 09:19:00,997 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-23 09:19:01,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:01 BoogieIcfgContainer [2018-11-23 09:19:01,006 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 09:19:01,006 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 09:19:01,006 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 09:19:01,006 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 09:19:01,007 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:18:53" (3/4) ... [2018-11-23 09:19:01,010 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 09:19:01,016 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 09:19:01,017 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 09:19:01,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 09:19:01,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 09:19:01,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 09:19:01,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 09:19:01,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 09:19:01,018 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 09:19:01,025 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 09:19:01,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 09:19:01,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 09:19:01,026 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 09:19:01,027 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 09:19:01,027 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:19:01,027 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 09:19:01,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-23 09:19:01,052 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 09:19:01,088 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_75abf777-8ed6-433a-99f2-5496ae69c7b1/bin-2019/uautomizer/witness.graphml [2018-11-23 09:19:01,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 09:19:01,089 INFO L168 Benchmark]: Toolchain (without parser) took 8138.04 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 419.4 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -272.4 MB). Peak memory consumption was 147.0 MB. Max. memory is 11.5 GB. [2018-11-23 09:19:01,089 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:19:01,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:19:01,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 09:19:01,090 INFO L168 Benchmark]: Boogie Preprocessor took 32.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 09:19:01,090 INFO L168 Benchmark]: RCFGBuilder took 533.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-11-23 09:19:01,090 INFO L168 Benchmark]: TraceAbstraction took 7074.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -140.7 MB). Peak memory consumption was 417.8 MB. Max. memory is 11.5 GB. [2018-11-23 09:19:01,090 INFO L168 Benchmark]: Witness Printer took 82.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-23 09:19:01,092 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 533.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7074.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -140.7 MB). Peak memory consumption was 417.8 MB. Max. memory is 11.5 GB. * Witness Printer took 82.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2179 SDtfs, 1524 SDslu, 7920 SDs, 0 SdLazy, 3314 SolverSat, 362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 320 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=9, 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 76 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1753 PreInvPairs, 1841 NumberOfFragments, 1651 HoareAnnotationTreeSize, 1753 FomulaSimplifications, 2066 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6713 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 214738 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 112/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...