./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_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_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/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 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:57:19,515 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:57:19,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:57:19,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:57:19,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:57:19,525 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:57:19,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:57:19,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:57:19,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:57:19,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:57:19,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:57:19,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:57:19,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:57:19,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:57:19,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:57:19,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:57:19,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:57:19,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:57:19,536 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:57:19,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:57:19,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:57:19,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:57:19,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:57:19,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:57:19,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:57:19,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:57:19,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:57:19,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:57:19,545 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:57:19,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:57:19,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:57:19,547 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:57:19,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:57:19,548 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:57:19,548 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:57:19,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:57:19,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:57:19,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:57:19,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:57:19,560 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:57:19,561 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:57:19,561 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:57:19,561 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:57:19,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:57:19,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:57:19,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:57:19,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:57:19,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:57:19,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:57:19,564 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_467f25b7-dc25-4327-90dd-5057cb5f10d0/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 -> 00a34716abd5fee4f4fa0d0743ef9f6cbdb65813 [2018-11-18 13:57:19,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:57:19,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:57:19,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:57:19,598 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:57:19,598 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:57:19,598 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:57:19,640 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/data/b0037b3cb/3a3c6aa268ca4f979eb4ab33e0905ebc/FLAG771baa504 [2018-11-18 13:57:20,071 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:57:20,072 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/sv-benchmarks/c/product-lines/minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:57:20,079 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/data/b0037b3cb/3a3c6aa268ca4f979eb4ab33e0905ebc/FLAG771baa504 [2018-11-18 13:57:20,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/data/b0037b3cb/3a3c6aa268ca4f979eb4ab33e0905ebc [2018-11-18 13:57:20,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:57:20,090 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:57:20,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:57:20,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:57:20,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:57:20,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70682c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20, skipping insertion in model container [2018-11-18 13:57:20,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:57:20,136 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:57:20,342 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:57:20,350 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:57:20,467 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:57:20,489 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:57:20,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20 WrapperNode [2018-11-18 13:57:20,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:57:20,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:57:20,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:57:20,491 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:57:20,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... [2018-11-18 13:57:20,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:57:20,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:57:20,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:57:20,559 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:57:20,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/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 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 13:57:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 13:57:20,599 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 13:57:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:57:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:57:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 13:57:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:57:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 13:57:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:57:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 13:57:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 13:57:20,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:57:20,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 13:57:20,603 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:57:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:57:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:57:20,604 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:57:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:57:20,605 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 13:57:20,606 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 13:57:20,607 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 13:57:20,608 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 13:57:20,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:57:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:57:20,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:57:21,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:57:21,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:21 BoogieIcfgContainer [2018-11-18 13:57:21,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:57:21,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:57:21,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:57:21,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:57:21,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:57:20" (1/3) ... [2018-11-18 13:57:21,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d3d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:57:21, skipping insertion in model container [2018-11-18 13:57:21,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:57:20" (2/3) ... [2018-11-18 13:57:21,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@595d3d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:57:21, skipping insertion in model container [2018-11-18 13:57:21,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:21" (3/3) ... [2018-11-18 13:57:21,274 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:57:21,281 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:57:21,287 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:57:21,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:57:21,322 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:57:21,322 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:57:21,323 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:57:21,323 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:57:21,323 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:57:21,323 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:57:21,323 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:57:21,323 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:57:21,323 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:57:21,339 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-11-18 13:57:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 13:57:21,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:21,347 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:21,350 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:21,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:21,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1826110740, now seen corresponding path program 1 times [2018-11-18 13:57:21,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:57:21,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:57:21,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:21,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:21,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:57:21,565 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 13:57:21,567 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:57:21,567 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:57:21,570 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:57:21,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:57:21,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:57:21,581 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-11-18 13:57:21,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:57:21,609 INFO L93 Difference]: Finished difference Result 238 states and 295 transitions. [2018-11-18 13:57:21,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:57:21,610 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 13:57:21,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:57:21,619 INFO L225 Difference]: With dead ends: 238 [2018-11-18 13:57:21,619 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 13:57:21,622 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 13:57:21,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 13:57:21,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 13:57:21,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 13:57:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2018-11-18 13:57:21,661 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 51 [2018-11-18 13:57:21,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:57:21,662 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2018-11-18 13:57:21,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:57:21,662 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-11-18 13:57:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 13:57:21,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:21,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:21,665 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:21,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:21,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1638409972, now seen corresponding path program 1 times [2018-11-18 13:57:21,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:57:21,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:57:21,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:21,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:21,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:57:21,749 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 13:57:21,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:57:21,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:57:21,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:57:21,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:57:21,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:57:21,752 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 3 states. [2018-11-18 13:57:21,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:57:21,769 INFO L93 Difference]: Finished difference Result 175 states and 203 transitions. [2018-11-18 13:57:21,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:57:21,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 13:57:21,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:57:21,771 INFO L225 Difference]: With dead ends: 175 [2018-11-18 13:57:21,771 INFO L226 Difference]: Without dead ends: 111 [2018-11-18 13:57:21,772 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 13:57:21,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-11-18 13:57:21,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-11-18 13:57:21,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 13:57:21,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 128 transitions. [2018-11-18 13:57:21,782 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 128 transitions. Word has length 53 [2018-11-18 13:57:21,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:57:21,782 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 128 transitions. [2018-11-18 13:57:21,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:57:21,782 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 128 transitions. [2018-11-18 13:57:21,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 13:57:21,783 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:21,783 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:21,784 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:21,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:21,784 INFO L82 PathProgramCache]: Analyzing trace with hash 836646069, now seen corresponding path program 1 times [2018-11-18 13:57:21,784 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:57:21,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:57:21,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:21,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:21,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:57:21,904 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 13:57:21,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:57:21,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:57:21,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:57:21,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:57:21,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:57:21,906 INFO L87 Difference]: Start difference. First operand 111 states and 128 transitions. Second operand 7 states. [2018-11-18 13:57:22,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:57:22,320 INFO L93 Difference]: Finished difference Result 329 states and 399 transitions. [2018-11-18 13:57:22,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:57:22,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 13:57:22,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:57:22,326 INFO L225 Difference]: With dead ends: 329 [2018-11-18 13:57:22,326 INFO L226 Difference]: Without dead ends: 246 [2018-11-18 13:57:22,327 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:57:22,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-11-18 13:57:22,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 234. [2018-11-18 13:57:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-18 13:57:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions. [2018-11-18 13:57:22,352 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 58 [2018-11-18 13:57:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:57:22,353 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 283 transitions. [2018-11-18 13:57:22,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:57:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions. [2018-11-18 13:57:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 13:57:22,355 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:22,355 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:22,355 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:22,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:22,356 INFO L82 PathProgramCache]: Analyzing trace with hash -124883696, now seen corresponding path program 1 times [2018-11-18 13:57:22,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:57:22,356 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:57:22,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:22,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:22,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:57:22,448 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 13:57:22,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:57:22,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:57:22,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:57:22,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:57:22,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:57:22,450 INFO L87 Difference]: Start difference. First operand 234 states and 283 transitions. Second operand 6 states. [2018-11-18 13:57:22,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:57:22,621 INFO L93 Difference]: Finished difference Result 628 states and 783 transitions. [2018-11-18 13:57:22,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:57:22,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 13:57:22,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:57:22,625 INFO L225 Difference]: With dead ends: 628 [2018-11-18 13:57:22,625 INFO L226 Difference]: Without dead ends: 422 [2018-11-18 13:57:22,627 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 13:57:22,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2018-11-18 13:57:22,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 416. [2018-11-18 13:57:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2018-11-18 13:57:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 506 transitions. [2018-11-18 13:57:22,657 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 506 transitions. Word has length 63 [2018-11-18 13:57:22,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:57:22,657 INFO L480 AbstractCegarLoop]: Abstraction has 416 states and 506 transitions. [2018-11-18 13:57:22,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:57:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 506 transitions. [2018-11-18 13:57:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 13:57:22,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:57:22,659 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:57:22,660 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:57:22,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:57:22,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1671504532, now seen corresponding path program 1 times [2018-11-18 13:57:22,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:57:22,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:57:22,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:22,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:57:22,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:57:22,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:57:22,763 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 13:57:22,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:57:22,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:57:22,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:57:22,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:57:22,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:57:22,764 INFO L87 Difference]: Start difference. First operand 416 states and 506 transitions. Second operand 7 states. [2018-11-18 13:57:23,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:57:23,103 INFO L93 Difference]: Finished difference Result 696 states and 873 transitions. [2018-11-18 13:57:23,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:57:23,103 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 13:57:23,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:57:23,104 INFO L225 Difference]: With dead ends: 696 [2018-11-18 13:57:23,104 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:57:23,106 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:57:23,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:57:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:57:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:57:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:57:23,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2018-11-18 13:57:23,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:57:23,108 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:57:23,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:57:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:57:23,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:57:23,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L414(lines 391 415) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 367 422) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 402) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L398-1(lines 398 402) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L393(line 393) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L392-1(lines 392 413) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 367 422) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L392-3(lines 392 413) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 367 422) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L475(lines 448 476) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 423 482) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 423 482) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L455(lines 455 459) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L455-1(lines 455 459) no Hoare annotation was computed. [2018-11-18 13:57:23,689 INFO L425 ceAbstractionStarter]: For program point L449-1(lines 449 474) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point L449-3(lines 449 474) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 423 482) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point L468-1(line 468) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point L450(line 450) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 103 109) the Hoare annotation is: true [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 103 109) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 110 118) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 110 118) the Hoare annotation is: true [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 110 118) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 291 313) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,690 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 291 313) no Hoare annotation was computed. [2018-11-18 13:57:23,690 INFO L421 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 13:57:23,690 INFO L421 ceAbstractionStarter]: At program point L303-1(line 303) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 308) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 291 313) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L301-1(lines 301 308) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L299(line 299) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L421 ceAbstractionStarter]: At program point L298(line 298) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,691 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,691 INFO L421 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L257(line 257) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L256(line 256) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 248 271) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L255(line 255) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L254(line 254) no Hoare annotation was computed. [2018-11-18 13:57:23,691 INFO L425 ceAbstractionStarter]: For program point L253(line 253) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 248 271) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 248 271) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L266(line 266) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L265(line 265) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L264(line 264) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L262(line 262) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L261(line 261) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L260(line 260) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L259(line 259) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2018-11-18 13:57:23,692 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2018-11-18 13:57:23,693 INFO L421 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 13:57:23,693 INFO L425 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2018-11-18 13:57:23,693 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 13:57:23,693 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2018-11-18 13:57:23,693 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2018-11-18 13:57:23,693 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2018-11-18 13:57:23,693 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2018-11-18 13:57:23,693 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2018-11-18 13:57:23,693 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 908) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L428 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L889-1(line 889) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L878(lines 878 886) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2018-11-18 13:57:23,694 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point L866(lines 866 874) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 96 102) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 96 102) the Hoare annotation is: true [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 321 366) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 321 366) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 321 366) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 634 679) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point L654(lines 654 661) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 634 679) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 668) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point L648-1(lines 648 668) no Hoare annotation was computed. [2018-11-18 13:57:23,695 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 634 679) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 280 290) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,696 INFO L421 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 280 290) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 280 290) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2018-11-18 13:57:23,696 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2018-11-18 13:57:23,696 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2018-11-18 13:57:23,697 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2018-11-18 13:57:23,697 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 798 822) no Hoare annotation was computed. [2018-11-18 13:57:23,697 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 798 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:57:23,697 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:57:23,697 INFO L425 ceAbstractionStarter]: For program point L817-1(lines 798 822) no Hoare annotation was computed. [2018-11-18 13:57:23,697 INFO L421 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 13:57:23,697 INFO L421 ceAbstractionStarter]: At program point L808(line 808) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 13:57:23,697 INFO L425 ceAbstractionStarter]: For program point L806(lines 806 814) no Hoare annotation was computed. [2018-11-18 13:57:23,697 INFO L421 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 13:57:23,697 INFO L425 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2018-11-18 13:57:23,698 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 819) no Hoare annotation was computed. [2018-11-18 13:57:23,698 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 790 796) no Hoare annotation was computed. [2018-11-18 13:57:23,698 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 790 796) the Hoare annotation is: true [2018-11-18 13:57:23,698 INFO L425 ceAbstractionStarter]: For program point L704(lines 704 708) no Hoare annotation was computed. [2018-11-18 13:57:23,698 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 692 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,698 INFO L425 ceAbstractionStarter]: For program point L702-1(lines 702 751) no Hoare annotation was computed. [2018-11-18 13:57:23,698 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 692 759) no Hoare annotation was computed. [2018-11-18 13:57:23,698 INFO L421 ceAbstractionStarter]: At program point L752(lines 701 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,698 INFO L421 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,698 INFO L425 ceAbstractionStarter]: For program point L740(lines 740 746) no Hoare annotation was computed. [2018-11-18 13:57:23,699 INFO L421 ceAbstractionStarter]: At program point L740-1(lines 732 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,699 INFO L425 ceAbstractionStarter]: For program point L703(lines 702 751) no Hoare annotation was computed. [2018-11-18 13:57:23,699 INFO L421 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,699 INFO L425 ceAbstractionStarter]: For program point L732(lines 732 747) no Hoare annotation was computed. [2018-11-18 13:57:23,699 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,699 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2018-11-18 13:57:23,699 INFO L425 ceAbstractionStarter]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2018-11-18 13:57:23,699 INFO L421 ceAbstractionStarter]: At program point L749(lines 702 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,699 INFO L421 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 13:57:23,699 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-11-18 13:57:23,699 INFO L425 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 692 759) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point L608(lines 608 615) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point L602(lines 602 622) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 588 633) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point L602-1(lines 602 622) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 588 633) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 588 633) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 205 213) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 205 213) the Hoare annotation is: true [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 205 213) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 13:57:23,700 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-18 13:57:23,701 INFO L421 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 13:57:23,701 INFO L425 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-18 13:57:23,701 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-18 13:57:23,701 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-18 13:57:23,701 INFO L428 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2018-11-18 13:57:23,701 INFO L425 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-18 13:57:23,701 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2018-11-18 13:57:23,701 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-18 13:57:23,701 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 13:57:23,701 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-11-18 13:57:23,701 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 173 195) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 173 195) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point L181(lines 181 189) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 173 195) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point L181-2(lines 181 189) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 86 95) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 86 95) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 86 95) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 485 587) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point L574(lines 574 581) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point L535(lines 534 554) no Hoare annotation was computed. [2018-11-18 13:57:23,702 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L566-1(line 566) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L531(lines 531 572) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 485 587) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 584) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 534 554) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L534-3(lines 534 554) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 485 587) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L555(lines 533 556) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 530) no Hoare annotation was computed. [2018-11-18 13:57:23,703 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 823 830) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 823 830) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point activatePumpENTRY(lines 823 830) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 196 204) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 196 204) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 196 204) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 152 163) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-11-18 13:57:23,704 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 164 172) the Hoare annotation is: true [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 164 172) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 164 172) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 766 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:57:23,705 INFO L421 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 766 789) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L421 ceAbstractionStarter]: At program point L777(lines 777 783) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 766 789) no Hoare annotation was computed. [2018-11-18 13:57:23,705 INFO L421 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 13:57:23,705 INFO L425 ceAbstractionStarter]: For program point L770(lines 769 788) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L428 ceAbstractionStarter]: At program point L227-3(lines 227 241) the Hoare annotation is: true [2018-11-18 13:57:23,706 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 217 246) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L428 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: true [2018-11-18 13:57:23,706 INFO L425 ceAbstractionStarter]: For program point L223-1(line 223) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L428 ceAbstractionStarter]: At program point L242(lines 217 246) the Hoare annotation is: true [2018-11-18 13:57:23,706 INFO L425 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L425 ceAbstractionStarter]: For program point L228(line 228) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 217 246) the Hoare annotation is: true [2018-11-18 13:57:23,706 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 235) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L428 ceAbstractionStarter]: At program point L231-1(lines 231 235) the Hoare annotation is: true [2018-11-18 13:57:23,706 INFO L425 ceAbstractionStarter]: For program point L227-1(lines 227 241) no Hoare annotation was computed. [2018-11-18 13:57:23,706 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 128 139) the Hoare annotation is: true [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 128 139) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 128 139) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 272 278) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 272 278) the Hoare annotation is: true [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 13:57:23,707 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 929 936) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 929 936) the Hoare annotation is: true [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 929 936) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 140 151) no Hoare annotation was computed. [2018-11-18 13:57:23,707 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 140 151) no Hoare annotation was computed. [2018-11-18 13:57:23,708 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 140 151) the Hoare annotation is: true [2018-11-18 13:57:23,708 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 681 688) no Hoare annotation was computed. [2018-11-18 13:57:23,708 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 681 688) the Hoare annotation is: true [2018-11-18 13:57:23,708 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 681 688) no Hoare annotation was computed. [2018-11-18 13:57:23,708 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 685) no Hoare annotation was computed. [2018-11-18 13:57:23,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:57:23 BoogieIcfgContainer [2018-11-18 13:57:23,721 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:57:23,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:57:23,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:57:23,721 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:57:23,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:57:21" (3/4) ... [2018-11-18 13:57:23,725 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:57:23,730 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 13:57:23,731 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 13:57:23,732 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:57:23,733 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:57:23,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 13:57:23,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:57:23,734 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:57:23,740 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 13:57:23,741 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:57:23,741 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:57:23,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 13:57:23,767 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 13:57:23,805 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_467f25b7-dc25-4327-90dd-5057cb5f10d0/bin-2019/uautomizer/witness.graphml [2018-11-18 13:57:23,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:57:23,806 INFO L168 Benchmark]: Toolchain (without parser) took 3716.40 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.7 MB). Free memory was 955.4 MB in the beginning and 1.0 GB in the end (delta: -94.2 MB). Peak memory consumption was 137.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:23,807 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:57:23,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:23,808 INFO L168 Benchmark]: Boogie Preprocessor took 68.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:57:23,808 INFO L168 Benchmark]: RCFGBuilder took 705.83 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: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:23,808 INFO L168 Benchmark]: TraceAbstraction took 2455.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -23.8 MB). Peak memory consumption was 249.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:23,808 INFO L168 Benchmark]: Witness Printer took 84.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:57:23,810 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 399.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 955.4 MB in the beginning and 1.1 GB in the end (delta: -173.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 705.83 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: 94.8 MB). Peak memory consumption was 94.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2455.18 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 85.5 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -23.8 MB). Peak memory consumption was 249.7 MB. Max. memory is 11.5 GB. * Witness Printer took 84.53 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 685]: 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: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 701]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. SAFE Result, 2.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 663 SDtfs, 379 SDslu, 1272 SDs, 0 SdLazy, 430 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=416occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 446 PreInvPairs, 493 NumberOfFragments, 524 HoareAnnotationTreeSize, 446 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 56 FomulaSimplificationsInter, 1866 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 31313 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...