./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf50661cace84e24af5f399094bd98fed0ff7444 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:17:03,627 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:17:03,628 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:17:03,636 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:17:03,636 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:17:03,636 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:17:03,637 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:17:03,638 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:17:03,639 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:17:03,640 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:17:03,640 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:17:03,641 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:17:03,641 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:17:03,642 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:17:03,643 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:17:03,643 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:17:03,644 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:17:03,645 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:17:03,646 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:17:03,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:17:03,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:17:03,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:17:03,651 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:17:03,651 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:17:03,651 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:17:03,652 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:17:03,652 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:17:03,653 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:17:03,654 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:17:03,655 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:17:03,655 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:17:03,655 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:17:03,655 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:17:03,656 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:17:03,656 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:17:03,656 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:17:03,657 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 15:17:03,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:17:03,667 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:17:03,667 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:17:03,667 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:17:03,668 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:17:03,668 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:17:03,668 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:17:03,668 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:17:03,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:17:03,668 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:17:03,669 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:17:03,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:17:03,670 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:17:03,670 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:17:03,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:17:03,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:17:03,671 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_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-11-18 15:17:03,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:17:03,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:17:03,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:17:03,702 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:17:03,702 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:17:03,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-18 15:17:03,737 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/data/2aea937b5/1f6146571ed740349d4c87ce0c9ba0e7/FLAG027e935a8 [2018-11-18 15:17:04,060 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:17:04,060 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-18 15:17:04,066 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/data/2aea937b5/1f6146571ed740349d4c87ce0c9ba0e7/FLAG027e935a8 [2018-11-18 15:17:04,074 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/data/2aea937b5/1f6146571ed740349d4c87ce0c9ba0e7 [2018-11-18 15:17:04,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:17:04,077 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:17:04,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:17:04,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:17:04,081 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:17:04,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04, skipping insertion in model container [2018-11-18 15:17:04,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:17:04,116 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:17:04,300 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:17:04,308 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:17:04,413 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:17:04,430 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:17:04,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04 WrapperNode [2018-11-18 15:17:04,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:17:04,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:17:04,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:17:04,431 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:17:04,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,483 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... [2018-11-18 15:17:04,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:17:04,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:17:04,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:17:04,492 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:17:04,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/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 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:17:04,541 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:17:04,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:17:04,543 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:17:04,544 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:17:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 15:17:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 15:17:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 15:17:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 15:17:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 15:17:04,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 15:17:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:17:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:17:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 15:17:04,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 15:17:04,546 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 15:17:04,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:17:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 15:17:04,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:17:04,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:17:04,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 15:17:05,190 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:17:05,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:17:05 BoogieIcfgContainer [2018-11-18 15:17:05,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:17:05,191 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:17:05,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:17:05,193 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:17:05,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:17:04" (1/3) ... [2018-11-18 15:17:05,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7839b573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:17:05, skipping insertion in model container [2018-11-18 15:17:05,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:17:04" (2/3) ... [2018-11-18 15:17:05,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7839b573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:17:05, skipping insertion in model container [2018-11-18 15:17:05,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:17:05" (3/3) ... [2018-11-18 15:17:05,196 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-18 15:17:05,202 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:17:05,210 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:17:05,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:17:05,243 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:17:05,244 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:17:05,244 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:17:05,244 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:17:05,244 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:17:05,244 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:17:05,244 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:17:05,245 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:17:05,245 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:17:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states. [2018-11-18 15:17:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:17:05,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:05,267 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] [2018-11-18 15:17:05,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:05,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:05,274 INFO L82 PathProgramCache]: Analyzing trace with hash 667692083, now seen corresponding path program 1 times [2018-11-18 15:17:05,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:05,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:05,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:05,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:05,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:05,465 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 15:17:05,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:05,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:17:05,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:17:05,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:17:05,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:17:05,479 INFO L87 Difference]: Start difference. First operand 195 states. Second operand 2 states. [2018-11-18 15:17:05,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:05,508 INFO L93 Difference]: Finished difference Result 304 states and 379 transitions. [2018-11-18 15:17:05,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:17:05,509 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 15:17:05,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:05,518 INFO L225 Difference]: With dead ends: 304 [2018-11-18 15:17:05,518 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 15:17:05,522 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 15:17:05,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 15:17:05,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 15:17:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 15:17:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-11-18 15:17:05,560 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 46 [2018-11-18 15:17:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:05,561 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-11-18 15:17:05,561 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:17:05,561 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-11-18 15:17:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 15:17:05,563 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:05,563 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] [2018-11-18 15:17:05,563 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:05,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:05,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1614995047, now seen corresponding path program 1 times [2018-11-18 15:17:05,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:05,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:05,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:05,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:05,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:05,645 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 15:17:05,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:05,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:17:05,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:17:05,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:17:05,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:17:05,648 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 3 states. [2018-11-18 15:17:05,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:05,668 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2018-11-18 15:17:05,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:17:05,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 15:17:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:05,671 INFO L225 Difference]: With dead ends: 251 [2018-11-18 15:17:05,671 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 15:17:05,672 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 15:17:05,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 15:17:05,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 15:17:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 15:17:05,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 168 transitions. [2018-11-18 15:17:05,684 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 168 transitions. Word has length 48 [2018-11-18 15:17:05,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:05,684 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 168 transitions. [2018-11-18 15:17:05,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:17:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2018-11-18 15:17:05,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:17:05,686 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:05,686 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] [2018-11-18 15:17:05,686 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:05,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:05,687 INFO L82 PathProgramCache]: Analyzing trace with hash -516365972, now seen corresponding path program 1 times [2018-11-18 15:17:05,687 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:05,687 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:05,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:05,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:05,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:05,786 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 15:17:05,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:05,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:17:05,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:17:05,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:17:05,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:17:05,787 INFO L87 Difference]: Start difference. First operand 142 states and 168 transitions. Second operand 7 states. [2018-11-18 15:17:06,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:06,092 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2018-11-18 15:17:06,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:17:06,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 15:17:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:06,094 INFO L225 Difference]: With dead ends: 260 [2018-11-18 15:17:06,094 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 15:17:06,095 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:17:06,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 15:17:06,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 15:17:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 15:17:06,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2018-11-18 15:17:06,106 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 52 [2018-11-18 15:17:06,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:06,107 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2018-11-18 15:17:06,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:17:06,107 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2018-11-18 15:17:06,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 15:17:06,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:06,109 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, 1, 1, 1] [2018-11-18 15:17:06,109 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:06,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:06,109 INFO L82 PathProgramCache]: Analyzing trace with hash 2082332977, now seen corresponding path program 1 times [2018-11-18 15:17:06,109 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:06,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:06,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:06,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:06,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:06,203 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 15:17:06,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:06,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:17:06,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:17:06,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:17:06,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:17:06,204 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2018-11-18 15:17:06,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:06,578 INFO L93 Difference]: Finished difference Result 371 states and 450 transitions. [2018-11-18 15:17:06,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:17:06,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 15:17:06,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:06,579 INFO L225 Difference]: With dead ends: 371 [2018-11-18 15:17:06,579 INFO L226 Difference]: Without dead ends: 253 [2018-11-18 15:17:06,580 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:17:06,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-18 15:17:06,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2018-11-18 15:17:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-18 15:17:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 266 transitions. [2018-11-18 15:17:06,596 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 266 transitions. Word has length 70 [2018-11-18 15:17:06,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:06,597 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 266 transitions. [2018-11-18 15:17:06,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:17:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 266 transitions. [2018-11-18 15:17:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 15:17:06,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:06,599 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:17:06,599 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:06,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:06,599 INFO L82 PathProgramCache]: Analyzing trace with hash 1499592195, now seen corresponding path program 1 times [2018-11-18 15:17:06,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:06,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:06,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:06,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:06,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:06,678 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 15:17:06,679 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:06,679 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:17:06,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:17:06,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:17:06,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:17:06,681 INFO L87 Difference]: Start difference. First operand 234 states and 266 transitions. Second operand 6 states. [2018-11-18 15:17:06,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:06,837 INFO L93 Difference]: Finished difference Result 639 states and 748 transitions. [2018-11-18 15:17:06,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:17:06,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-18 15:17:06,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:06,840 INFO L225 Difference]: With dead ends: 639 [2018-11-18 15:17:06,840 INFO L226 Difference]: Without dead ends: 429 [2018-11-18 15:17:06,841 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 15:17:06,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-11-18 15:17:06,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 423. [2018-11-18 15:17:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-18 15:17:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 482 transitions. [2018-11-18 15:17:06,865 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 482 transitions. Word has length 84 [2018-11-18 15:17:06,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:06,865 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 482 transitions. [2018-11-18 15:17:06,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:17:06,865 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 482 transitions. [2018-11-18 15:17:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 15:17:06,867 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:06,867 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:17:06,867 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:06,867 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:06,867 INFO L82 PathProgramCache]: Analyzing trace with hash 3186183, now seen corresponding path program 1 times [2018-11-18 15:17:06,867 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:06,867 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:06,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:06,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:06,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:06,949 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 15:17:06,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:06,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:17:06,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:17:06,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:17:06,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:17:06,950 INFO L87 Difference]: Start difference. First operand 423 states and 482 transitions. Second operand 7 states. [2018-11-18 15:17:07,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:07,295 INFO L93 Difference]: Finished difference Result 458 states and 534 transitions. [2018-11-18 15:17:07,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:17:07,295 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 15:17:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:07,297 INFO L225 Difference]: With dead ends: 458 [2018-11-18 15:17:07,297 INFO L226 Difference]: Without dead ends: 455 [2018-11-18 15:17:07,297 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:17:07,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-11-18 15:17:07,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 423. [2018-11-18 15:17:07,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2018-11-18 15:17:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 481 transitions. [2018-11-18 15:17:07,318 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 481 transitions. Word has length 88 [2018-11-18 15:17:07,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:07,318 INFO L480 AbstractCegarLoop]: Abstraction has 423 states and 481 transitions. [2018-11-18 15:17:07,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:17:07,318 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 481 transitions. [2018-11-18 15:17:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:17:07,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:07,320 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] [2018-11-18 15:17:07,320 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:07,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:07,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1348641214, now seen corresponding path program 1 times [2018-11-18 15:17:07,320 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:07,320 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:07,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:07,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:07,389 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 15:17:07,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:07,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:17:07,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:17:07,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:17:07,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:17:07,390 INFO L87 Difference]: Start difference. First operand 423 states and 481 transitions. Second operand 6 states. [2018-11-18 15:17:07,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:07,438 INFO L93 Difference]: Finished difference Result 836 states and 974 transitions. [2018-11-18 15:17:07,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:17:07,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 15:17:07,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:07,441 INFO L225 Difference]: With dead ends: 836 [2018-11-18 15:17:07,441 INFO L226 Difference]: Without dead ends: 437 [2018-11-18 15:17:07,442 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 15:17:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-18 15:17:07,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 433. [2018-11-18 15:17:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-11-18 15:17:07,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 491 transitions. [2018-11-18 15:17:07,462 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 491 transitions. Word has length 104 [2018-11-18 15:17:07,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:07,462 INFO L480 AbstractCegarLoop]: Abstraction has 433 states and 491 transitions. [2018-11-18 15:17:07,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:17:07,463 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 491 transitions. [2018-11-18 15:17:07,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:17:07,464 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:07,464 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] [2018-11-18 15:17:07,464 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:07,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:07,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1701729596, now seen corresponding path program 1 times [2018-11-18 15:17:07,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:07,465 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:07,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:07,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:07,549 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 15:17:07,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:07,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:17:07,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:17:07,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:17:07,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:17:07,550 INFO L87 Difference]: Start difference. First operand 433 states and 491 transitions. Second operand 8 states. [2018-11-18 15:17:07,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:07,592 INFO L93 Difference]: Finished difference Result 856 states and 996 transitions. [2018-11-18 15:17:07,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:17:07,592 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 15:17:07,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:07,594 INFO L225 Difference]: With dead ends: 856 [2018-11-18 15:17:07,594 INFO L226 Difference]: Without dead ends: 447 [2018-11-18 15:17:07,595 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 15:17:07,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2018-11-18 15:17:07,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2018-11-18 15:17:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-11-18 15:17:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 499 transitions. [2018-11-18 15:17:07,609 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 499 transitions. Word has length 104 [2018-11-18 15:17:07,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:07,610 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 499 transitions. [2018-11-18 15:17:07,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:17:07,610 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 499 transitions. [2018-11-18 15:17:07,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 15:17:07,611 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:07,611 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] [2018-11-18 15:17:07,611 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:07,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:07,612 INFO L82 PathProgramCache]: Analyzing trace with hash -568539003, now seen corresponding path program 1 times [2018-11-18 15:17:07,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:07,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:07,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:07,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:07,676 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 15:17:07,676 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:17:07,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:17:07,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:17:07,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:17:07,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:17:07,677 INFO L87 Difference]: Start difference. First operand 441 states and 499 transitions. Second operand 4 states. [2018-11-18 15:17:07,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:07,821 INFO L93 Difference]: Finished difference Result 1311 states and 1560 transitions. [2018-11-18 15:17:07,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:17:07,822 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 15:17:07,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:07,824 INFO L225 Difference]: With dead ends: 1311 [2018-11-18 15:17:07,824 INFO L226 Difference]: Without dead ends: 894 [2018-11-18 15:17:07,825 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 15:17:07,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-18 15:17:07,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 879. [2018-11-18 15:17:07,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2018-11-18 15:17:07,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1025 transitions. [2018-11-18 15:17:07,854 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1025 transitions. Word has length 104 [2018-11-18 15:17:07,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:07,854 INFO L480 AbstractCegarLoop]: Abstraction has 879 states and 1025 transitions. [2018-11-18 15:17:07,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:17:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1025 transitions. [2018-11-18 15:17:07,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 15:17:07,856 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:07,856 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] [2018-11-18 15:17:07,856 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:07,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:07,856 INFO L82 PathProgramCache]: Analyzing trace with hash 337920043, now seen corresponding path program 1 times [2018-11-18 15:17:07,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:07,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:07,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:07,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:07,959 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 15:17:07,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:17:07,959 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/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 15:17:07,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:08,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:17:08,147 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 15:17:08,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:17:08,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 15:17:08,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:17:08,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:17:08,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:17:08,164 INFO L87 Difference]: Start difference. First operand 879 states and 1025 transitions. Second operand 19 states. [2018-11-18 15:17:08,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:08,926 INFO L93 Difference]: Finished difference Result 1702 states and 2008 transitions. [2018-11-18 15:17:08,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:17:08,926 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-18 15:17:08,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:08,928 INFO L225 Difference]: With dead ends: 1702 [2018-11-18 15:17:08,928 INFO L226 Difference]: Without dead ends: 847 [2018-11-18 15:17:08,930 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 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 15:17:08,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2018-11-18 15:17:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2018-11-18 15:17:08,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-11-18 15:17:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 973 transitions. [2018-11-18 15:17:08,957 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 973 transitions. Word has length 108 [2018-11-18 15:17:08,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:08,958 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 973 transitions. [2018-11-18 15:17:08,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:17:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 973 transitions. [2018-11-18 15:17:08,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 15:17:08,960 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:08,960 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:17:08,960 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:08,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:08,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2092524722, now seen corresponding path program 1 times [2018-11-18 15:17:08,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:08,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:08,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:08,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:08,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 15:17:09,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:17:09,032 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/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 15:17:09,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:09,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:17:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 15:17:09,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:17:09,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 15:17:09,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:17:09,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:17:09,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:17:09,165 INFO L87 Difference]: Start difference. First operand 847 states and 973 transitions. Second operand 6 states. [2018-11-18 15:17:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:09,665 INFO L93 Difference]: Finished difference Result 1829 states and 2199 transitions. [2018-11-18 15:17:09,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:17:09,666 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 182 [2018-11-18 15:17:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:09,668 INFO L225 Difference]: With dead ends: 1829 [2018-11-18 15:17:09,669 INFO L226 Difference]: Without dead ends: 1138 [2018-11-18 15:17:09,670 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 186 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 15:17:09,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1138 states. [2018-11-18 15:17:09,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1138 to 1032. [2018-11-18 15:17:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-11-18 15:17:09,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1205 transitions. [2018-11-18 15:17:09,707 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1205 transitions. Word has length 182 [2018-11-18 15:17:09,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:09,707 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1205 transitions. [2018-11-18 15:17:09,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:17:09,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1205 transitions. [2018-11-18 15:17:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 15:17:09,710 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:17:09,710 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:17:09,711 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:17:09,711 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:17:09,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1112716276, now seen corresponding path program 1 times [2018-11-18 15:17:09,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:17:09,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:17:09,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:09,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:09,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:17:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:09,820 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 15:17:09,821 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:17:09,821 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/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 15:17:09,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:17:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:17:09,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:17:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:17:10,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:17:10,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 15:17:10,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:17:10,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:17:10,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:17:10,007 INFO L87 Difference]: Start difference. First operand 1032 states and 1205 transitions. Second operand 19 states. [2018-11-18 15:17:10,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:17:10,854 INFO L93 Difference]: Finished difference Result 1773 states and 2109 transitions. [2018-11-18 15:17:10,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:17:10,855 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 178 [2018-11-18 15:17:10,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:17:10,856 INFO L225 Difference]: With dead ends: 1773 [2018-11-18 15:17:10,856 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:17:10,858 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 175 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 15:17:10,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:17:10,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:17:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:17:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:17:10,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-11-18 15:17:10,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:17:10,859 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:17:10,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:17:10,859 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:17:10,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:17:10,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:17:10,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:10,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:10,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:10,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:10,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:10,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:11,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:17:12,450 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 29 [2018-11-18 15:17:12,924 INFO L425 ceAbstractionStarter]: For program point L708-3(lines 708 729) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L730(lines 707 731) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 683 738) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L714(lines 714 718) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L714-1(lines 714 718) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 683 738) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L708-1(lines 708 729) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 683 738) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L766(line 766) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L791(lines 764 792) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 739 798) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 739 798) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L771-1(lines 771 775) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L765-1(lines 765 790) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L765-3(lines 765 790) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 739 798) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-18 15:17:12,925 INFO L425 ceAbstractionStarter]: For program point L784-1(line 784) no Hoare annotation was computed. [2018-11-18 15:17:12,926 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 15:17:12,926 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 15:17:12,926 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 15:17:12,926 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 15:17:12,926 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 15:17:12,926 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,926 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-11-18 15:17:12,926 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,926 INFO L421 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,926 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-11-18 15:17:12,926 INFO L425 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,927 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,927 INFO L421 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 258 281) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 258 281) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 258 281) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point L276(line 276) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-18 15:17:12,927 INFO L425 ceAbstractionStarter]: For program point L273(line 273) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L272(line 272) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L271(line 271) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L270(line 270) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L269(line 269) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L268(line 268) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L267(line 267) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-11-18 15:17:12,928 INFO L421 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 15:17:12,928 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-11-18 15:17:12,929 INFO L421 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:17:12,929 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,929 INFO L421 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:17:12,929 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-11-18 15:17:12,929 INFO L425 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-18 15:17:12,929 INFO L421 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:17:12,929 INFO L425 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-11-18 15:17:12,929 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-11-18 15:17:12,929 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-11-18 15:17:12,929 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-11-18 15:17:12,931 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-11-18 15:17:12,931 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-18 15:17:12,931 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-11-18 15:17:12,931 INFO L428 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L510(lines 510 518) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L510-2(lines 510 518) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 506) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L498-2(lines 498 506) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 491 526) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point L521-1(line 521) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 491 526) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 491 526) no Hoare annotation was computed. [2018-11-18 15:17:12,932 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 637 682) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 637 682) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 637 682) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 950 995) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 950 995) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point L970(lines 970 977) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 950 995) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point L964(lines 964 984) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point L964-1(lines 964 984) no Hoare annotation was computed. [2018-11-18 15:17:12,933 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,933 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-11-18 15:17:12,934 INFO L428 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-18 15:17:12,934 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-18 15:17:12,934 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-18 15:17:12,935 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-11-18 15:17:12,935 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-11-18 15:17:12,935 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-18 15:17:12,935 INFO L421 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-18 15:17:12,935 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-11-18 15:17:12,935 INFO L421 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-18 15:17:12,935 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,935 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-11-18 15:17:12,935 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-11-18 15:17:12,935 INFO L425 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-11-18 15:17:12,936 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,936 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 576 621) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L421 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:17:12,936 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L421 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 15:17:12,936 INFO L425 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-11-18 15:17:12,936 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L421 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0))) [2018-11-18 15:17:12,937 INFO L421 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L924(lines 924 931) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 904 949) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 938) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point L918-1(lines 918 938) no Hoare annotation was computed. [2018-11-18 15:17:12,937 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 904 949) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 904 949) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point L141(lines 141 149) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point L141-2(lines 141 149) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 133 155) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 133 155) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 133 155) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2018-11-18 15:17:12,938 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 801 903) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L830(lines 830 846) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L890(lines 890 897) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L851(lines 850 870) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L847(lines 847 888) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 801 903) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L889(lines 889 900) no Hoare annotation was computed. [2018-11-18 15:17:12,939 INFO L425 ceAbstractionStarter]: For program point L852(lines 852 856) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 801 903) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point L850-1(lines 850 870) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point L850-3(lines 850 870) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point L871(lines 849 872) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,940 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 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L421 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 15:17:12,940 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-11-18 15:17:12,940 INFO L425 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L421 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 156 164) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 156 164) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 156 164) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L428 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-11-18 15:17:12,941 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-18 15:17:12,942 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse3)) (.cse1 (and (not (= |old(~pumpRunning~0)| 0)) .cse3))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1)))) [2018-11-18 15:17:12,942 INFO L421 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= 0 ~pumpRunning~0))) (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (and .cse4 .cse5)) (.cse3 (not (= ~systemActive~0 1)))) (and (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0) (and .cse0 .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (and .cse4 .cse1))) (or (and .cse5 .cse0) (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3)))) [2018-11-18 15:17:12,942 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,943 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (and (not (= |old(~pumpRunning~0)| 0)) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L428 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L428 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point L237-1(lines 237 251) no Hoare annotation was computed. [2018-11-18 15:17:12,943 INFO L428 ceAbstractionStarter]: At program point L237-3(lines 237 251) the Hoare annotation is: true [2018-11-18 15:17:12,943 INFO L428 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-11-18 15:17:12,943 INFO L425 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-18 15:17:12,944 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 15:17:12,944 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-18 15:17:12,944 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-18 15:17:12,944 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-18 15:17:12,944 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-11-18 15:17:12,944 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,944 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 15:17:12,944 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:17:12,944 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:17:12,944 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,944 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L421 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-11-18 15:17:12,945 INFO L421 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0) (or .cse0 .cse2 .cse1))) [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-18 15:17:12,945 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L421 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L425 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-11-18 15:17:12,946 INFO L428 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-11-18 15:17:12,947 INFO L425 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-18 15:17:12,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:17:12 BoogieIcfgContainer [2018-11-18 15:17:12,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:17:12,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:17:12,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:17:12,961 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:17:12,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:17:05" (3/4) ... [2018-11-18 15:17:12,965 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:17:12,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 15:17:12,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 15:17:12,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:17:12,970 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 15:17:12,971 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:17:12,972 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 15:17:12,978 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-18 15:17:12,979 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:17:12,979 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:17:12,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-18 15:17:12,997 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:17:13,035 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5dc19e69-1a9e-474e-9d1b-537139b3990d/bin-2019/uautomizer/witness.graphml [2018-11-18 15:17:13,035 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:17:13,036 INFO L168 Benchmark]: Toolchain (without parser) took 8959.48 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 332.9 MB). Free memory was 957.6 MB in the beginning and 956.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 334.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:13,037 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:17:13,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:13,037 INFO L168 Benchmark]: Boogie Preprocessor took 60.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:13,037 INFO L168 Benchmark]: RCFGBuilder took 698.94 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: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:13,037 INFO L168 Benchmark]: TraceAbstraction took 7770.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.0 GB in the beginning and 965.7 MB in the end (delta: 64.4 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:13,038 INFO L168 Benchmark]: Witness Printer took 74.14 ms. Allocated memory is still 1.4 GB. Free memory was 965.7 MB in the beginning and 956.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:17:13,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -165.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.09 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 698.94 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: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7770.11 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.2 MB). Free memory was 1.0 GB in the beginning and 965.7 MB in the end (delta: 64.4 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. * Witness Printer took 74.14 ms. Allocated memory is still 1.4 GB. Free memory was 965.7 MB in the beginning and 956.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 257 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2473 SDtfs, 1829 SDslu, 8303 SDs, 0 SdLazy, 3931 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 627 GetRequests, 509 SyntacticMatches, 4 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1032occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 188 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 2285 PreInvPairs, 2411 NumberOfFragments, 1490 HoareAnnotationTreeSize, 2285 FomulaSimplifications, 5508 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 68 FomulaSimplificationsInter, 12791 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1636 NumberOfCodeBlocks, 1636 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1621 ConstructedInterpolants, 0 QuantifiedInterpolants, 319249 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2327 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 225/235 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...