./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/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 a22d1d84f43657cc690c98e940f1a10486e8ef5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:44:12,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:44:12,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:44:12,491 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:44:12,492 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:44:12,492 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:44:12,493 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:44:12,494 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:44:12,495 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:44:12,496 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:44:12,497 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:44:12,497 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:44:12,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:44:12,498 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:44:12,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:44:12,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:44:12,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:44:12,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:44:12,503 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:44:12,504 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:44:12,505 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:44:12,506 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:44:12,507 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:44:12,508 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:44:12,508 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:44:12,508 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:44:12,509 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:44:12,510 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:44:12,510 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:44:12,511 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:44:12,511 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:44:12,512 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:44:12,512 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:44:12,512 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:44:12,513 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:44:12,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:44:12,513 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 14:44:12,524 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:44:12,524 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:44:12,525 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:44:12,525 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 14:44:12,525 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:44:12,525 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:44:12,525 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:44:12,526 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:44:12,526 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:44:12,526 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:44:12,526 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:44:12,526 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:44:12,526 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:44:12,526 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:44:12,527 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:44:12,527 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:44:12,527 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:44:12,527 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:44:12,527 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:44:12,527 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:44:12,527 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:44:12,528 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:44:12,528 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:44:12,528 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:44:12,528 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:44:12,528 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:44:12,528 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:44:12,528 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:44:12,529 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:44:12,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:44:12,529 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_d7301647-f3fb-4373-8648-c902914ec30f/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 -> a22d1d84f43657cc690c98e940f1a10486e8ef5e [2018-11-18 14:44:12,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:44:12,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:44:12,565 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:44:12,566 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:44:12,567 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:44:12,567 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-11-18 14:44:12,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/data/e4fa441c2/f384afb4066946948b8dbc162d132e23/FLAG2d2b24097 [2018-11-18 14:44:12,948 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:44:12,949 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/sv-benchmarks/c/product-lines/minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-11-18 14:44:12,958 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/data/e4fa441c2/f384afb4066946948b8dbc162d132e23/FLAG2d2b24097 [2018-11-18 14:44:12,967 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/data/e4fa441c2/f384afb4066946948b8dbc162d132e23 [2018-11-18 14:44:12,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:44:12,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 14:44:12,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:44:12,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:44:12,974 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:44:12,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:44:12" (1/1) ... [2018-11-18 14:44:12,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:12, skipping insertion in model container [2018-11-18 14:44:12,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:44:12" (1/1) ... [2018-11-18 14:44:12,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:44:13,012 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:44:13,196 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:44:13,204 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:44:13,301 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:44:13,321 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:44:13,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13 WrapperNode [2018-11-18 14:44:13,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:44:13,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:44:13,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:44:13,322 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:44:13,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... [2018-11-18 14:44:13,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:44:13,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:44:13,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:44:13,374 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:44:13,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/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 [2018-11-18 14:44:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:44:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:44:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 14:44:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:44:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:44:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:44:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 14:44:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:44:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 14:44:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:44:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:44:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 14:44:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:44:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:44:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:44:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:44:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:44:13,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 14:44:14,029 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:44:14,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:44:14 BoogieIcfgContainer [2018-11-18 14:44:14,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:44:14,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:44:14,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:44:14,032 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:44:14,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:44:12" (1/3) ... [2018-11-18 14:44:14,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a579b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:44:14, skipping insertion in model container [2018-11-18 14:44:14,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:44:13" (2/3) ... [2018-11-18 14:44:14,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a579b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:44:14, skipping insertion in model container [2018-11-18 14:44:14,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:44:14" (3/3) ... [2018-11-18 14:44:14,034 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product48_true-unreach-call_false-termination.cil.c [2018-11-18 14:44:14,040 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:44:14,045 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:44:14,054 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:44:14,077 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:44:14,077 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:44:14,077 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:44:14,078 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:44:14,078 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:44:14,078 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:44:14,078 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:44:14,078 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:44:14,078 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:44:14,092 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states. [2018-11-18 14:44:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 14:44:14,098 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:14,099 INFO L375 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] [2018-11-18 14:44:14,100 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:14,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:14,104 INFO L82 PathProgramCache]: Analyzing trace with hash 807737938, now seen corresponding path program 1 times [2018-11-18 14:44:14,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:14,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:14,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:14,134 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:14,134 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:14,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:14,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:44:14,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:44:14,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:44:14,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:44:14,326 INFO L87 Difference]: Start difference. First operand 190 states. Second operand 2 states. [2018-11-18 14:44:14,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:14,360 INFO L93 Difference]: Finished difference Result 290 states and 361 transitions. [2018-11-18 14:44:14,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:44:14,361 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 14:44:14,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:14,371 INFO L225 Difference]: With dead ends: 290 [2018-11-18 14:44:14,371 INFO L226 Difference]: Without dead ends: 147 [2018-11-18 14:44:14,374 INFO L604 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 [2018-11-18 14:44:14,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-18 14:44:14,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-18 14:44:14,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-18 14:44:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 174 transitions. [2018-11-18 14:44:14,418 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 174 transitions. Word has length 51 [2018-11-18 14:44:14,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:14,418 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 174 transitions. [2018-11-18 14:44:14,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:44:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 174 transitions. [2018-11-18 14:44:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 14:44:14,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:14,421 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:14,421 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:14,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:14,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1104522410, now seen corresponding path program 1 times [2018-11-18 14:44:14,422 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:14,422 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:14,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:14,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:14,531 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:14,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:44:14,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:44:14,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:44:14,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:44:14,533 INFO L87 Difference]: Start difference. First operand 147 states and 174 transitions. Second operand 3 states. [2018-11-18 14:44:14,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:14,552 INFO L93 Difference]: Finished difference Result 227 states and 269 transitions. [2018-11-18 14:44:14,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:44:14,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 14:44:14,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:14,554 INFO L225 Difference]: With dead ends: 227 [2018-11-18 14:44:14,554 INFO L226 Difference]: Without dead ends: 137 [2018-11-18 14:44:14,555 INFO L604 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 [2018-11-18 14:44:14,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-18 14:44:14,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-18 14:44:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-18 14:44:14,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 161 transitions. [2018-11-18 14:44:14,566 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 161 transitions. Word has length 53 [2018-11-18 14:44:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:14,566 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 161 transitions. [2018-11-18 14:44:14,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:44:14,567 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 161 transitions. [2018-11-18 14:44:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 14:44:14,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:14,568 INFO L375 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] [2018-11-18 14:44:14,568 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:14,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:14,569 INFO L82 PathProgramCache]: Analyzing trace with hash 1003692095, now seen corresponding path program 1 times [2018-11-18 14:44:14,569 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:14,569 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:14,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:14,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:14,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:14,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:44:14,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:44:14,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:44:14,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:44:14,712 INFO L87 Difference]: Start difference. First operand 137 states and 161 transitions. Second operand 7 states. [2018-11-18 14:44:15,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:15,103 INFO L93 Difference]: Finished difference Result 407 states and 498 transitions. [2018-11-18 14:44:15,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:44:15,104 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 14:44:15,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:15,106 INFO L225 Difference]: With dead ends: 407 [2018-11-18 14:44:15,107 INFO L226 Difference]: Without dead ends: 298 [2018-11-18 14:44:15,108 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:44:15,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2018-11-18 14:44:15,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 286. [2018-11-18 14:44:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-11-18 14:44:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 349 transitions. [2018-11-18 14:44:15,134 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 349 transitions. Word has length 58 [2018-11-18 14:44:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:15,135 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 349 transitions. [2018-11-18 14:44:15,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:44:15,135 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 349 transitions. [2018-11-18 14:44:15,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 14:44:15,137 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:15,137 INFO L375 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] [2018-11-18 14:44:15,138 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:15,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:15,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1349415116, now seen corresponding path program 1 times [2018-11-18 14:44:15,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:15,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:15,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:15,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:15,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:15,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:15,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:44:15,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:44:15,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:44:15,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:44:15,225 INFO L87 Difference]: Start difference. First operand 286 states and 349 transitions. Second operand 6 states. [2018-11-18 14:44:15,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:15,406 INFO L93 Difference]: Finished difference Result 784 states and 981 transitions. [2018-11-18 14:44:15,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:44:15,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 14:44:15,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:15,409 INFO L225 Difference]: With dead ends: 784 [2018-11-18 14:44:15,409 INFO L226 Difference]: Without dead ends: 526 [2018-11-18 14:44:15,410 INFO L604 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 [2018-11-18 14:44:15,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-11-18 14:44:15,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 520. [2018-11-18 14:44:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2018-11-18 14:44:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 638 transitions. [2018-11-18 14:44:15,443 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 638 transitions. Word has length 63 [2018-11-18 14:44:15,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:15,444 INFO L480 AbstractCegarLoop]: Abstraction has 520 states and 638 transitions. [2018-11-18 14:44:15,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:44:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 638 transitions. [2018-11-18 14:44:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 14:44:15,446 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:15,447 INFO L375 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] [2018-11-18 14:44:15,447 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:15,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1381138712, now seen corresponding path program 1 times [2018-11-18 14:44:15,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:15,447 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:15,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:15,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:15,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:15,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:15,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:44:15,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:44:15,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:44:15,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:44:15,564 INFO L87 Difference]: Start difference. First operand 520 states and 638 transitions. Second operand 7 states. [2018-11-18 14:44:16,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:16,059 INFO L93 Difference]: Finished difference Result 1377 states and 1800 transitions. [2018-11-18 14:44:16,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:44:16,059 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 14:44:16,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:16,062 INFO L225 Difference]: With dead ends: 1377 [2018-11-18 14:44:16,062 INFO L226 Difference]: Without dead ends: 885 [2018-11-18 14:44:16,064 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:44:16,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2018-11-18 14:44:16,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 781. [2018-11-18 14:44:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-18 14:44:16,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 945 transitions. [2018-11-18 14:44:16,115 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 945 transitions. Word has length 67 [2018-11-18 14:44:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:16,115 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 945 transitions. [2018-11-18 14:44:16,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:44:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 945 transitions. [2018-11-18 14:44:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 14:44:16,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:16,118 INFO L375 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] [2018-11-18 14:44:16,118 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:16,118 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:16,120 INFO L82 PathProgramCache]: Analyzing trace with hash -22281204, now seen corresponding path program 1 times [2018-11-18 14:44:16,120 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:16,120 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:16,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,121 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:16,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:44:16,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:16,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:44:16,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:44:16,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:44:16,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:44:16,210 INFO L87 Difference]: Start difference. First operand 781 states and 945 transitions. Second operand 6 states. [2018-11-18 14:44:16,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:16,246 INFO L93 Difference]: Finished difference Result 1562 states and 1950 transitions. [2018-11-18 14:44:16,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:44:16,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-18 14:44:16,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:16,249 INFO L225 Difference]: With dead ends: 1562 [2018-11-18 14:44:16,249 INFO L226 Difference]: Without dead ends: 809 [2018-11-18 14:44:16,250 INFO L604 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 [2018-11-18 14:44:16,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-11-18 14:44:16,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 801. [2018-11-18 14:44:16,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 14:44:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 965 transitions. [2018-11-18 14:44:16,277 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 965 transitions. Word has length 105 [2018-11-18 14:44:16,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:16,277 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 965 transitions. [2018-11-18 14:44:16,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:44:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 965 transitions. [2018-11-18 14:44:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 14:44:16,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:16,280 INFO L375 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] [2018-11-18 14:44:16,280 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:16,280 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:16,280 INFO L82 PathProgramCache]: Analyzing trace with hash 1905991498, now seen corresponding path program 1 times [2018-11-18 14:44:16,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:16,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:16,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:16,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:16,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:44:16,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:16,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 14:44:16,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:44:16,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:44:16,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:44:16,362 INFO L87 Difference]: Start difference. First operand 801 states and 965 transitions. Second operand 8 states. [2018-11-18 14:44:16,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:16,397 INFO L93 Difference]: Finished difference Result 1602 states and 1990 transitions. [2018-11-18 14:44:16,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:44:16,398 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2018-11-18 14:44:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:16,400 INFO L225 Difference]: With dead ends: 1602 [2018-11-18 14:44:16,400 INFO L226 Difference]: Without dead ends: 829 [2018-11-18 14:44:16,402 INFO L604 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 [2018-11-18 14:44:16,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-11-18 14:44:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 817. [2018-11-18 14:44:16,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 817 states. [2018-11-18 14:44:16,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 817 states and 981 transitions. [2018-11-18 14:44:16,427 INFO L78 Accepts]: Start accepts. Automaton has 817 states and 981 transitions. Word has length 105 [2018-11-18 14:44:16,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:16,427 INFO L480 AbstractCegarLoop]: Abstraction has 817 states and 981 transitions. [2018-11-18 14:44:16,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:44:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 981 transitions. [2018-11-18 14:44:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 14:44:16,429 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:16,429 INFO L375 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] [2018-11-18 14:44:16,429 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:16,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:16,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1665451369, now seen corresponding path program 1 times [2018-11-18 14:44:16,430 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:16,430 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:16,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:16,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:16,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:44:16,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:44:16,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:44:16,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:44:16,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:44:16,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:44:16,497 INFO L87 Difference]: Start difference. First operand 817 states and 981 transitions. Second operand 4 states. [2018-11-18 14:44:16,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:16,667 INFO L93 Difference]: Finished difference Result 2589 states and 3258 transitions. [2018-11-18 14:44:16,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:44:16,667 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-18 14:44:16,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:16,673 INFO L225 Difference]: With dead ends: 2589 [2018-11-18 14:44:16,673 INFO L226 Difference]: Without dead ends: 1800 [2018-11-18 14:44:16,675 INFO L604 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 [2018-11-18 14:44:16,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2018-11-18 14:44:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1769. [2018-11-18 14:44:16,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1769 states. [2018-11-18 14:44:16,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2177 transitions. [2018-11-18 14:44:16,737 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2177 transitions. Word has length 105 [2018-11-18 14:44:16,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:16,737 INFO L480 AbstractCegarLoop]: Abstraction has 1769 states and 2177 transitions. [2018-11-18 14:44:16,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:44:16,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2177 transitions. [2018-11-18 14:44:16,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 14:44:16,739 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:16,740 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:16,740 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:16,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:16,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1887447421, now seen corresponding path program 1 times [2018-11-18 14:44:16,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:16,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:16,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:16,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:44:16,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:44:16,850 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/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 [2018-11-18 14:44:16,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:16,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:16,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:44:17,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:44:17,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:44:17,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 14:44:17,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:44:17,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:44:17,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:44:17,124 INFO L87 Difference]: Start difference. First operand 1769 states and 2177 transitions. Second operand 19 states. [2018-11-18 14:44:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:17,892 INFO L93 Difference]: Finished difference Result 3480 states and 4330 transitions. [2018-11-18 14:44:17,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 14:44:17,892 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 109 [2018-11-18 14:44:17,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:17,897 INFO L225 Difference]: With dead ends: 3480 [2018-11-18 14:44:17,898 INFO L226 Difference]: Without dead ends: 1739 [2018-11-18 14:44:17,901 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 104 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 14:44:17,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1739 states. [2018-11-18 14:44:17,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1739 to 1739. [2018-11-18 14:44:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2018-11-18 14:44:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 2095 transitions. [2018-11-18 14:44:17,962 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 2095 transitions. Word has length 109 [2018-11-18 14:44:17,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:17,963 INFO L480 AbstractCegarLoop]: Abstraction has 1739 states and 2095 transitions. [2018-11-18 14:44:17,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:44:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 2095 transitions. [2018-11-18 14:44:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 14:44:17,967 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:17,967 INFO L375 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:44:17,967 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:17,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:17,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1621908778, now seen corresponding path program 1 times [2018-11-18 14:44:17,968 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:17,968 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:17,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:17,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:17,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:18,042 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 14:44:18,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:44:18,043 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/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 [2018-11-18 14:44:18,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:18,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:44:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 14:44:18,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:44:18,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 14:44:18,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:44:18,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:44:18,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:44:18,171 INFO L87 Difference]: Start difference. First operand 1739 states and 2095 transitions. Second operand 6 states. [2018-11-18 14:44:18,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:18,810 INFO L93 Difference]: Finished difference Result 4006 states and 5090 transitions. [2018-11-18 14:44:18,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 14:44:18,811 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2018-11-18 14:44:18,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:18,822 INFO L225 Difference]: With dead ends: 4006 [2018-11-18 14:44:18,822 INFO L226 Difference]: Without dead ends: 2625 [2018-11-18 14:44:18,826 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:44:18,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2018-11-18 14:44:18,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2273. [2018-11-18 14:44:18,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2018-11-18 14:44:18,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 2751 transitions. [2018-11-18 14:44:18,965 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 2751 transitions. Word has length 166 [2018-11-18 14:44:18,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:18,965 INFO L480 AbstractCegarLoop]: Abstraction has 2273 states and 2751 transitions. [2018-11-18 14:44:18,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:44:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2751 transitions. [2018-11-18 14:44:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 14:44:18,972 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:44:18,972 INFO L375 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] [2018-11-18 14:44:18,972 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:44:18,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:44:18,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1349010948, now seen corresponding path program 1 times [2018-11-18 14:44:18,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:44:18,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:44:18,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:18,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:18,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:44:18,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:19,117 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 14:44:19,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:44:19,118 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 14:44:19,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:44:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:44:19,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:44:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 14:44:19,386 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 14:44:19,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 14:44:19,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:44:19,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:44:19,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:44:19,387 INFO L87 Difference]: Start difference. First operand 2273 states and 2751 transitions. Second operand 19 states. [2018-11-18 14:44:20,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:44:20,151 INFO L93 Difference]: Finished difference Result 3993 states and 4919 transitions. [2018-11-18 14:44:20,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 14:44:20,152 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 162 [2018-11-18 14:44:20,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:44:20,153 INFO L225 Difference]: With dead ends: 3993 [2018-11-18 14:44:20,153 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:44:20,157 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 159 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 14:44:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:44:20,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:44:20,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:44:20,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:44:20,159 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2018-11-18 14:44:20,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:44:20,159 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:44:20,159 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:44:20,159 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:44:20,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:44:20,163 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:44:20,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:20,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:44:21,342 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 28 [2018-11-18 14:44:21,780 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-11-18 14:44:21,919 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 19 [2018-11-18 14:44:22,377 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 28 [2018-11-18 14:44:22,946 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2018-11-18 14:44:23,535 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L598(lines 598 602) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L598-1(lines 598 602) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 567 622) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L593(line 593) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L592-1(lines 592 613) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L592-3(lines 592 613) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 567 622) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L614(lines 591 615) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 567 622) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 659) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 623 682) no Hoare annotation was computed. [2018-11-18 14:44:23,550 INFO L425 ceAbstractionStarter]: For program point L655-1(lines 655 659) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 623 682) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point L649-1(lines 649 674) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point L649-3(lines 649 674) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point L668(line 668) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point L668-1(line 668) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 623 682) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point L650(line 650) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point L675(lines 648 676) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-18 14:44:23,551 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-18 14:44:23,552 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-18 14:44:23,552 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 963 985) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,552 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 963 985) no Hoare annotation was computed. [2018-11-18 14:44:23,552 INFO L421 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,552 INFO L421 ceAbstractionStarter]: At program point L975-1(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,552 INFO L425 ceAbstractionStarter]: For program point L973(lines 973 980) no Hoare annotation was computed. [2018-11-18 14:44:23,552 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 963 985) no Hoare annotation was computed. [2018-11-18 14:44:23,552 INFO L425 ceAbstractionStarter]: For program point L973-1(lines 973 980) no Hoare annotation was computed. [2018-11-18 14:44:23,552 INFO L425 ceAbstractionStarter]: For program point L971(line 971) no Hoare annotation was computed. [2018-11-18 14:44:23,552 INFO L421 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,553 INFO L421 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,553 INFO L421 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L929(line 929) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L928(line 928) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 921 944) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L927(line 927) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L926(line 926) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 921 944) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 921 944) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L938(line 938) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L937(line 937) no Hoare annotation was computed. [2018-11-18 14:44:23,553 INFO L425 ceAbstractionStarter]: For program point L936(line 936) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L935(line 935) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L934(line 934) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L933(line 933) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L931(line 931) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2018-11-18 14:44:23,554 INFO L421 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 14:44:23,554 INFO L425 ceAbstractionStarter]: For program point L311-1(lines 292 316) no Hoare annotation was computed. [2018-11-18 14:44:23,559 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 (and .cse0 .cse1)))) [2018-11-18 14:44:23,559 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 292 316) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 14:44:23,559 INFO L421 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:44:23,559 INFO L425 ceAbstractionStarter]: For program point L300(lines 300 308) no Hoare annotation was computed. [2018-11-18 14:44:23,559 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 292 316) no Hoare annotation was computed. [2018-11-18 14:44:23,559 INFO L421 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= 0 ~pumpRunning~0) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:44:23,559 INFO L425 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2018-11-18 14:44:23,559 INFO L425 ceAbstractionStarter]: For program point L296(lines 296 313) no Hoare annotation was computed. [2018-11-18 14:44:23,559 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 451 465) no Hoare annotation was computed. [2018-11-18 14:44:23,559 INFO L421 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse6) (or .cse6 .cse5 .cse4) (or .cse1 .cse4))) [2018-11-18 14:44:23,559 INFO L425 ceAbstractionStarter]: For program point L455(lines 455 461) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 451 465) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (and (not (= ~systemActive~0 0)) .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 .cse2 .cse5) (or .cse3 .cse6 .cse7) (or .cse7 .cse6 .cse2)))) [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 451 465) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 387 395) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 387 395) the Hoare annotation is: true [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 387 395) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point L415-2(lines 415 423) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point L403(lines 403 411) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point L403-2(lines 403 411) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 396 431) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point L426(line 426) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point L426-1(line 426) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 396 431) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 396 431) no Hoare annotation was computed. [2018-11-18 14:44:23,560 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 521 566) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 521 566) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 521 566) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 834 879) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 868) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point L848-1(lines 848 868) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 834 879) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 834 879) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 952 962) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,561 INFO L421 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 952 962) no Hoare annotation was computed. [2018-11-18 14:44:23,561 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 952 962) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 376 386) the Hoare annotation is: true [2018-11-18 14:44:23,562 INFO L428 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: true [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point L381-1(line 381) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 376 386) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 376 386) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 368 375) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 368 375) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 368 375) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 318 342) no Hoare annotation was computed. [2018-11-18 14:44:23,562 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 318 342) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 14:44:23,563 INFO L421 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:44:23,563 INFO L425 ceAbstractionStarter]: For program point L337-1(lines 318 342) no Hoare annotation was computed. [2018-11-18 14:44:23,563 INFO L421 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-18 14:44:23,563 INFO L421 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 14:44:23,563 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 334) no Hoare annotation was computed. [2018-11-18 14:44:23,563 INFO L421 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-11-18 14:44:23,563 INFO L425 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-11-18 14:44:23,563 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 339) no Hoare annotation was computed. [2018-11-18 14:44:23,563 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 284 290) no Hoare annotation was computed. [2018-11-18 14:44:23,563 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 284 290) the Hoare annotation is: true [2018-11-18 14:44:23,563 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 14:44:23,563 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 183 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,563 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 238) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L421 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 183 250) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 219) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L421 ceAbstractionStarter]: At program point L240(lines 193 242) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-18 14:44:23,564 INFO L421 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 203 209) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point L195(lines 195 199) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L425 ceAbstractionStarter]: For program point L193-1(lines 193 242) no Hoare annotation was computed. [2018-11-18 14:44:23,564 INFO L421 ceAbstractionStarter]: At program point L243(lines 192 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 14:44:23,565 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse1 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 237) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L421 ceAbstractionStarter]: At program point L231-1(lines 223 238) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 183 250) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point L194(lines 193 242) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point L802-1(lines 802 822) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 788 833) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 788 833) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 788 833) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 815) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 822) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 343 350) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 343 350) no Hoare annotation was computed. [2018-11-18 14:44:23,565 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 343 350) no Hoare annotation was computed. [2018-11-18 14:44:23,566 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-18 14:44:23,566 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 504) no Hoare annotation was computed. [2018-11-18 14:44:23,566 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 507) no Hoare annotation was computed. [2018-11-18 14:44:23,566 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 485 513) the Hoare annotation is: true [2018-11-18 14:44:23,566 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-18 14:44:23,566 INFO L425 ceAbstractionStarter]: For program point L495-1(line 495) no Hoare annotation was computed. [2018-11-18 14:44:23,566 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 510) no Hoare annotation was computed. [2018-11-18 14:44:23,566 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 485 513) no Hoare annotation was computed. [2018-11-18 14:44:23,566 INFO L428 ceAbstractionStarter]: At program point L491(line 491) the Hoare annotation is: true [2018-11-18 14:44:23,566 INFO L425 ceAbstractionStarter]: For program point L491-1(line 491) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 485 513) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 477 484) the Hoare annotation is: true [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 477 484) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 477 484) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 145 154) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 145 154) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 145 154) no Hoare annotation was computed. [2018-11-18 14:44:23,567 INFO L425 ceAbstractionStarter]: For program point L735(lines 734 754) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 685 787) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L766-1(line 766) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 772) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L750(line 750) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 685 787) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L709(lines 709 713) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L773(lines 773 784) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L734-1(lines 734 754) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L734-3(lines 734 754) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L755(lines 733 756) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 685 787) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L714(lines 714 730) no Hoare annotation was computed. [2018-11-18 14:44:23,568 INFO L425 ceAbstractionStarter]: For program point L774(lines 774 781) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 351 367) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L421 ceAbstractionStarter]: At program point L362(line 362) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point L362-1(lines 351 367) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 351 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point L358(lines 358 364) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L421 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point L356-1(line 356) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-18 14:44:23,569 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 432 450) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point L441(lines 441 445) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L428 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: true [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point L441-2(lines 441 445) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point L439-1(line 439) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 432 450) the Hoare annotation is: true [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 432 450) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse1 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse2 (= ~methaneLevelCritical~0 1)))) [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 14:44:23,570 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,571 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,571 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,571 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 14:44:23,571 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 14:44:23,571 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L421 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (not .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse1 .cse0) (or .cse5 .cse3 .cse4)))) [2018-11-18 14:44:23,572 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 260 283) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3))) [2018-11-18 14:44:23,572 INFO L421 ceAbstractionStarter]: At program point L271(lines 271 277) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse7 (= 0 ~pumpRunning~0))) (and (or (and (not .cse0) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3) (or .cse6 .cse0 (<= 2 ~waterLevel~0) .cse4 .cse7) (or .cse5 .cse0 .cse7)))) [2018-11-18 14:44:23,572 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 260 283) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L421 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse1 .cse4))) [2018-11-18 14:44:23,572 INFO L425 ceAbstractionStarter]: For program point L264(lines 263 282) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 260 283) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 891 920) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 909) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L428 ceAbstractionStarter]: At program point L905-1(lines 905 909) the Hoare annotation is: true [2018-11-18 14:44:23,572 INFO L425 ceAbstractionStarter]: For program point L901-1(lines 901 915) no Hoare annotation was computed. [2018-11-18 14:44:23,572 INFO L428 ceAbstractionStarter]: At program point L901-3(lines 901 915) the Hoare annotation is: true [2018-11-18 14:44:23,573 INFO L428 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: true [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 891 920) the Hoare annotation is: true [2018-11-18 14:44:23,573 INFO L428 ceAbstractionStarter]: At program point L916(lines 891 920) the Hoare annotation is: true [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point L912(line 912) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 945 951) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 945 951) the Hoare annotation is: true [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,573 INFO L421 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)) [2018-11-18 14:44:23,573 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:44:23,573 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 466 473) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 466 473) the Hoare annotation is: true [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 466 473) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 881 888) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 881 888) the Hoare annotation is: true [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 885) no Hoare annotation was computed. [2018-11-18 14:44:23,574 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 881 888) no Hoare annotation was computed. [2018-11-18 14:44:23,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:44:23 BoogieIcfgContainer [2018-11-18 14:44:23,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:44:23,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:44:23,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:44:23,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:44:23,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:44:14" (3/4) ... [2018-11-18 14:44:23,587 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:44:23,593 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:44:23,594 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 14:44:23,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:44:23,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:44:23,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:44:23,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:44:23,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:44:23,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 14:44:23,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:44:23,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:44:23,631 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) [2018-11-18 14:44:23,632 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 14:44:23,670 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7301647-f3fb-4373-8648-c902914ec30f/bin-2019/uautomizer/witness.graphml [2018-11-18 14:44:23,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:44:23,671 INFO L168 Benchmark]: Toolchain (without parser) took 10700.98 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.8 MB). Free memory was 957.5 MB in the beginning and 842.5 MB in the end (delta: 115.1 MB). Peak memory consumption was 530.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:23,671 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-11-18 14:44:23,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:23,671 INFO L168 Benchmark]: Boogie Preprocessor took 51.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:23,672 INFO L168 Benchmark]: RCFGBuilder took 655.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.9 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:23,672 INFO L168 Benchmark]: TraceAbstraction took 9554.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 1.0 GB in the beginning and 854.8 MB in the end (delta: 163.5 MB). Peak memory consumption was 520.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:23,672 INFO L168 Benchmark]: Witness Printer took 85.75 ms. Allocated memory is still 1.4 GB. Free memory was 854.8 MB in the beginning and 842.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:44:23,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 350.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -156.2 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 655.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.9 MB). Peak memory consumption was 91.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9554.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 1.0 GB in the beginning and 854.8 MB in the end (delta: 163.5 MB). Peak memory consumption was 520.7 MB. Max. memory is 11.5 GB. * Witness Printer took 85.75 ms. Allocated memory is still 1.4 GB. Free memory was 854.8 MB in the beginning and 842.5 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 885]: 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: 193]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 891]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 252 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2267 SDtfs, 1778 SDslu, 7926 SDs, 0 SdLazy, 3529 SolverSat, 532 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 577 GetRequests, 466 SyntacticMatches, 3 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2273occurred in iteration=10, 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 525 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 4359 PreInvPairs, 4731 NumberOfFragments, 1666 HoareAnnotationTreeSize, 4359 FomulaSimplifications, 13051 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 28243 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1481 NumberOfCodeBlocks, 1481 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 272919 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2400 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 215/223 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...