./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_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_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74af0999cbe879befd0a6903faa6dabc12f5915f .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:48:52,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:48:52,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:48:52,530 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:48:52,530 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:48:52,531 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:48:52,532 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:48:52,533 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:48:52,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:48:52,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:48:52,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:48:52,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:48:52,536 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:48:52,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:48:52,537 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:48:52,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:48:52,538 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:48:52,539 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:48:52,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:48:52,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:48:52,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:48:52,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:48:52,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:48:52,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:48:52,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:48:52,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:48:52,545 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:48:52,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:48:52,546 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:48:52,547 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:48:52,547 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:48:52,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:48:52,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:48:52,548 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:48:52,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:48:52,549 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:48:52,549 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:48:52,558 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:48:52,559 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:48:52,559 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:48:52,559 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:48:52,560 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:48:52,560 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:48:52,560 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:48:52,560 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:48:52,560 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:48:52,560 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:48:52,560 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:48:52,561 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:48:52,561 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:48:52,561 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:48:52,561 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:48:52,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:48:52,562 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:48:52,563 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:48:52,563 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:48:52,563 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:48:52,563 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:48:52,563 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:48:52,563 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:48:52,563 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:48:52,564 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan 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 -> Taipan 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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-11-18 15:48:52,586 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:48:52,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:48:52,597 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:48:52,598 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:48:52,598 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:48:52,599 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-18 15:48:52,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/data/de71cd6c2/8c9a32e26abd42d288a48c0b334b9594/FLAGbd747851f [2018-11-18 15:48:53,076 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:48:53,077 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-18 15:48:53,086 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/data/de71cd6c2/8c9a32e26abd42d288a48c0b334b9594/FLAGbd747851f [2018-11-18 15:48:53,095 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/data/de71cd6c2/8c9a32e26abd42d288a48c0b334b9594 [2018-11-18 15:48:53,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:48:53,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:48:53,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:48:53,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:48:53,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:48:53,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53, skipping insertion in model container [2018-11-18 15:48:53,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:48:53,139 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:48:53,332 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:48:53,338 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:48:53,442 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:48:53,458 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:48:53,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53 WrapperNode [2018-11-18 15:48:53,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:48:53,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:48:53,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:48:53,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:48:53,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:48:53,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:48:53,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:48:53,484 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:48:53,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... [2018-11-18 15:48:53,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:48:53,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:48:53,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:48:53,511 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:48:53,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:48:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:48:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:48:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:48:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:48:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:48:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:48:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:48:53,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:48:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:48:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:48:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:48:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:48:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:48:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:48:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:48:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:48:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:48:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:48:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:48:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:48:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:48:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:48:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:48:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:48:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:48:53,547 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:48:53,547 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:48:53,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:48:53,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:48:53,549 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:48:53,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:48:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:48:53,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:48:53,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:48:53,991 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:48:53,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:48:53 BoogieIcfgContainer [2018-11-18 15:48:53,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:48:53,992 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:48:53,992 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:48:53,995 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:48:53,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:48:53" (1/3) ... [2018-11-18 15:48:53,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478983e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:48:53, skipping insertion in model container [2018-11-18 15:48:53,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:48:53" (2/3) ... [2018-11-18 15:48:53,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@478983e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:48:53, skipping insertion in model container [2018-11-18 15:48:53,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:48:53" (3/3) ... [2018-11-18 15:48:53,997 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-18 15:48:54,005 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:48:54,011 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:48:54,023 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:48:54,043 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:48:54,043 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:48:54,043 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:48:54,043 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:48:54,043 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:48:54,043 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:48:54,043 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:48:54,043 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:48:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-18 15:48:54,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:48:54,061 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:54,062 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 15:48:54,064 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:54,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:54,069 INFO L82 PathProgramCache]: Analyzing trace with hash -260600821, now seen corresponding path program 1 times [2018-11-18 15:48:54,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:54,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:54,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:54,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:54,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:54,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:48:54,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:54,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:48:54,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:48:54,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:48:54,287 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-18 15:48:54,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:54,317 INFO L93 Difference]: Finished difference Result 296 states and 369 transitions. [2018-11-18 15:48:54,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:48:54,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 15:48:54,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:54,325 INFO L225 Difference]: With dead ends: 296 [2018-11-18 15:48:54,325 INFO L226 Difference]: Without dead ends: 150 [2018-11-18 15:48:54,328 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:48:54,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-18 15:48:54,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 15:48:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 15:48:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 178 transitions. [2018-11-18 15:48:54,358 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 178 transitions. Word has length 51 [2018-11-18 15:48:54,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:54,358 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 178 transitions. [2018-11-18 15:48:54,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:48:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2018-11-18 15:48:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:48:54,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:54,361 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 15:48:54,361 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:54,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:54,361 INFO L82 PathProgramCache]: Analyzing trace with hash -956243003, now seen corresponding path program 1 times [2018-11-18 15:48:54,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:54,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:54,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:54,443 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:54,443 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:48:54,443 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:54,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:48:54,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:48:54,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:48:54,445 INFO L87 Difference]: Start difference. First operand 150 states and 178 transitions. Second operand 3 states. [2018-11-18 15:48:54,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:54,462 INFO L93 Difference]: Finished difference Result 243 states and 289 transitions. [2018-11-18 15:48:54,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:48:54,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:48:54,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:54,464 INFO L225 Difference]: With dead ends: 243 [2018-11-18 15:48:54,464 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 15:48:54,465 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:48:54,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 15:48:54,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 15:48:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 15:48:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-18 15:48:54,475 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 53 [2018-11-18 15:48:54,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:54,476 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-18 15:48:54,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:48:54,476 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-18 15:48:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 15:48:54,478 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:54,478 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] [2018-11-18 15:48:54,478 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:54,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:54,478 INFO L82 PathProgramCache]: Analyzing trace with hash 614591108, now seen corresponding path program 1 times [2018-11-18 15:48:54,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:54,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:54,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,480 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:54,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:54,607 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:48:54,607 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:54,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:48:54,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:48:54,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:48:54,609 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 7 states. [2018-11-18 15:48:54,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:54,908 INFO L93 Difference]: Finished difference Result 252 states and 303 transitions. [2018-11-18 15:48:54,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:48:54,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 15:48:54,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:54,909 INFO L225 Difference]: With dead ends: 252 [2018-11-18 15:48:54,909 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 15:48:54,910 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:48:54,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 15:48:54,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 15:48:54,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 15:48:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-18 15:48:54,920 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 57 [2018-11-18 15:48:54,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:54,920 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-18 15:48:54,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:48:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-18 15:48:54,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-11-18 15:48:54,922 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:54,923 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:54,923 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:54,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:54,923 INFO L82 PathProgramCache]: Analyzing trace with hash -297486042, now seen corresponding path program 1 times [2018-11-18 15:48:54,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:54,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:54,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:54,925 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:55,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:55,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:48:55,006 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:55,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:48:55,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:48:55,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:48:55,007 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 5 states. [2018-11-18 15:48:55,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:55,333 INFO L93 Difference]: Finished difference Result 358 states and 437 transitions. [2018-11-18 15:48:55,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:48:55,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-11-18 15:48:55,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:55,336 INFO L225 Difference]: With dead ends: 358 [2018-11-18 15:48:55,336 INFO L226 Difference]: Without dead ends: 246 [2018-11-18 15:48:55,337 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:48:55,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-11-18 15:48:55,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 227. [2018-11-18 15:48:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-18 15:48:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 260 transitions. [2018-11-18 15:48:55,362 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 260 transitions. Word has length 75 [2018-11-18 15:48:55,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:55,363 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 260 transitions. [2018-11-18 15:48:55,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:48:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 260 transitions. [2018-11-18 15:48:55,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 15:48:55,365 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:55,365 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:55,366 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:55,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:55,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1198379215, now seen corresponding path program 1 times [2018-11-18 15:48:55,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:55,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:55,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:55,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:55,368 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:55,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:55,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:48:55,454 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:55,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:48:55,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:48:55,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:48:55,455 INFO L87 Difference]: Start difference. First operand 227 states and 260 transitions. Second operand 6 states. [2018-11-18 15:48:55,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:55,617 INFO L93 Difference]: Finished difference Result 607 states and 716 transitions. [2018-11-18 15:48:55,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:48:55,618 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 15:48:55,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:55,621 INFO L225 Difference]: With dead ends: 607 [2018-11-18 15:48:55,621 INFO L226 Difference]: Without dead ends: 408 [2018-11-18 15:48:55,622 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:48:55,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-11-18 15:48:55,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 402. [2018-11-18 15:48:55,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-11-18 15:48:55,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 460 transitions. [2018-11-18 15:48:55,649 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 460 transitions. Word has length 89 [2018-11-18 15:48:55,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:55,649 INFO L480 AbstractCegarLoop]: Abstraction has 402 states and 460 transitions. [2018-11-18 15:48:55,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:48:55,649 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 460 transitions. [2018-11-18 15:48:55,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 15:48:55,651 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:55,651 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:55,651 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:55,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:55,651 INFO L82 PathProgramCache]: Analyzing trace with hash 2097049963, now seen corresponding path program 1 times [2018-11-18 15:48:55,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:55,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:55,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:55,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:55,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:55,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:55,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:55,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:48:55,744 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:55,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:48:55,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:48:55,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:48:55,745 INFO L87 Difference]: Start difference. First operand 402 states and 460 transitions. Second operand 7 states. [2018-11-18 15:48:56,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:56,124 INFO L93 Difference]: Finished difference Result 807 states and 946 transitions. [2018-11-18 15:48:56,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:48:56,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-18 15:48:56,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:56,127 INFO L225 Difference]: With dead ends: 807 [2018-11-18 15:48:56,127 INFO L226 Difference]: Without dead ends: 433 [2018-11-18 15:48:56,129 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:48:56,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-18 15:48:56,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 401. [2018-11-18 15:48:56,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2018-11-18 15:48:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 457 transitions. [2018-11-18 15:48:56,150 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 457 transitions. Word has length 93 [2018-11-18 15:48:56,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:56,151 INFO L480 AbstractCegarLoop]: Abstraction has 401 states and 457 transitions. [2018-11-18 15:48:56,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:48:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 457 transitions. [2018-11-18 15:48:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 15:48:56,152 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:56,152 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:56,152 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:56,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:56,153 INFO L82 PathProgramCache]: Analyzing trace with hash 322433529, now seen corresponding path program 1 times [2018-11-18 15:48:56,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:56,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:56,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:56,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:56,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:48:56,214 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:56,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:48:56,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:48:56,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:48:56,215 INFO L87 Difference]: Start difference. First operand 401 states and 457 transitions. Second operand 6 states. [2018-11-18 15:48:56,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:56,241 INFO L93 Difference]: Finished difference Result 784 states and 908 transitions. [2018-11-18 15:48:56,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:48:56,241 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-18 15:48:56,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:56,243 INFO L225 Difference]: With dead ends: 784 [2018-11-18 15:48:56,243 INFO L226 Difference]: Without dead ends: 411 [2018-11-18 15:48:56,244 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:48:56,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-11-18 15:48:56,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2018-11-18 15:48:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2018-11-18 15:48:56,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 467 transitions. [2018-11-18 15:48:56,260 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 467 transitions. Word has length 94 [2018-11-18 15:48:56,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:56,260 INFO L480 AbstractCegarLoop]: Abstraction has 411 states and 467 transitions. [2018-11-18 15:48:56,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:48:56,260 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 467 transitions. [2018-11-18 15:48:56,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 15:48:56,261 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:56,261 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:56,262 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:56,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:56,262 INFO L82 PathProgramCache]: Analyzing trace with hash 250046971, now seen corresponding path program 1 times [2018-11-18 15:48:56,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:56,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:56,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:56,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:56,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:56,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:48:56,334 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:56,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:48:56,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:48:56,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:48:56,335 INFO L87 Difference]: Start difference. First operand 411 states and 467 transitions. Second operand 8 states. [2018-11-18 15:48:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:56,361 INFO L93 Difference]: Finished difference Result 808 states and 944 transitions. [2018-11-18 15:48:56,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:48:56,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-11-18 15:48:56,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:56,363 INFO L225 Difference]: With dead ends: 808 [2018-11-18 15:48:56,363 INFO L226 Difference]: Without dead ends: 425 [2018-11-18 15:48:56,364 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:48:56,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-11-18 15:48:56,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 419. [2018-11-18 15:48:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-11-18 15:48:56,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 475 transitions. [2018-11-18 15:48:56,379 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 475 transitions. Word has length 94 [2018-11-18 15:48:56,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:56,379 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 475 transitions. [2018-11-18 15:48:56,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:48:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 475 transitions. [2018-11-18 15:48:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 15:48:56,381 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:56,381 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:56,381 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:56,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:56,381 INFO L82 PathProgramCache]: Analyzing trace with hash 579812732, now seen corresponding path program 1 times [2018-11-18 15:48:56,381 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:56,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:56,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,382 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:56,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:56,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:48:56,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:56,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:48:56,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:48:56,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:48:56,454 INFO L87 Difference]: Start difference. First operand 419 states and 475 transitions. Second operand 4 states. [2018-11-18 15:48:56,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:56,653 INFO L93 Difference]: Finished difference Result 1264 states and 1510 transitions. [2018-11-18 15:48:56,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:48:56,653 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-18 15:48:56,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:56,657 INFO L225 Difference]: With dead ends: 1264 [2018-11-18 15:48:56,657 INFO L226 Difference]: Without dead ends: 873 [2018-11-18 15:48:56,658 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:48:56,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2018-11-18 15:48:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 555. [2018-11-18 15:48:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-11-18 15:48:56,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 624 transitions. [2018-11-18 15:48:56,696 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 624 transitions. Word has length 94 [2018-11-18 15:48:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:56,696 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 624 transitions. [2018-11-18 15:48:56,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:48:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 624 transitions. [2018-11-18 15:48:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 15:48:56,698 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:56,698 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:56,698 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:56,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:56,699 INFO L82 PathProgramCache]: Analyzing trace with hash 272151970, now seen corresponding path program 1 times [2018-11-18 15:48:56,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:56,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:56,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,700 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:56,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:56,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:48:56,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:48:56,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:56,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:48:56,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:48:56,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:48:56,763 INFO L87 Difference]: Start difference. First operand 555 states and 624 transitions. Second operand 3 states. [2018-11-18 15:48:56,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:56,816 INFO L93 Difference]: Finished difference Result 873 states and 997 transitions. [2018-11-18 15:48:56,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:48:56,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2018-11-18 15:48:56,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:56,820 INFO L225 Difference]: With dead ends: 873 [2018-11-18 15:48:56,820 INFO L226 Difference]: Without dead ends: 870 [2018-11-18 15:48:56,821 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:48:56,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2018-11-18 15:48:56,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 720. [2018-11-18 15:48:56,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 720 states. [2018-11-18 15:48:56,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 820 transitions. [2018-11-18 15:48:56,870 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 820 transitions. Word has length 98 [2018-11-18 15:48:56,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:56,871 INFO L480 AbstractCegarLoop]: Abstraction has 720 states and 820 transitions. [2018-11-18 15:48:56,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:48:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 820 transitions. [2018-11-18 15:48:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 15:48:56,875 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:56,876 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:56,876 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:56,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:56,876 INFO L82 PathProgramCache]: Analyzing trace with hash 202720282, now seen corresponding path program 1 times [2018-11-18 15:48:56,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:56,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:56,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:56,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:48:56,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:48:56,983 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:48:56,984 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-18 15:48:56,986 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [41], [45], [46], [47], [62], [65], [67], [71], [77], [81], [85], [88], [91], [93], [96], [99], [101], [104], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [204], [208], [214], [222], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [310], [311], [312], [314], [315], [322], [323], [324], [325], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-11-18 15:48:57,016 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:48:57,016 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:48:58,584 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:48:58,584 INFO L272 AbstractInterpreter]: Visited 105 different actions 468 times. Merged at 14 different actions 42 times. Never widened. Performed 20808 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20808 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 15:48:58,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:58,590 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:48:58,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:48:58,590 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:48:58,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:58,597 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:48:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:58,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:48:58,741 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:48:58,742 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:48:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 15:48:58,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:48:58,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 15:48:58,929 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:48:58,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:48:58,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:48:58,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:48:58,930 INFO L87 Difference]: Start difference. First operand 720 states and 820 transitions. Second operand 3 states. [2018-11-18 15:48:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:48:59,000 INFO L93 Difference]: Finished difference Result 1213 states and 1392 transitions. [2018-11-18 15:48:59,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:48:59,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-18 15:48:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:48:59,003 INFO L225 Difference]: With dead ends: 1213 [2018-11-18 15:48:59,003 INFO L226 Difference]: Without dead ends: 653 [2018-11-18 15:48:59,004 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:48:59,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2018-11-18 15:48:59,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 653. [2018-11-18 15:48:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-11-18 15:48:59,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 734 transitions. [2018-11-18 15:48:59,031 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 734 transitions. Word has length 162 [2018-11-18 15:48:59,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:48:59,032 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 734 transitions. [2018-11-18 15:48:59,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:48:59,032 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 734 transitions. [2018-11-18 15:48:59,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 15:48:59,034 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:48:59,034 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:48:59,035 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:48:59,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:48:59,035 INFO L82 PathProgramCache]: Analyzing trace with hash 634750938, now seen corresponding path program 1 times [2018-11-18 15:48:59,035 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:48:59,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:59,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:48:59,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:48:59,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:48:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:48:59,170 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:48:59,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:48:59,170 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:48:59,170 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 176 with the following transitions: [2018-11-18 15:48:59,170 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [45], [46], [47], [50], [52], [58], [62], [65], [66], [67], [71], [77], [81], [85], [88], [91], [93], [96], [99], [101], [104], [119], [120], [121], [123], [126], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [201], [204], [208], [214], [217], [221], [222], [226], [229], [231], [234], [241], [244], [247], [251], [252], [255], [258], [260], [266], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [284], [285], [286], [287], [288], [290], [291], [292], [293], [296], [297], [298], [299], [300], [301], [302], [303], [304], [305], [308], [309], [310], [311], [312], [314], [315], [320], [321], [322], [323], [324], [325], [326], [327], [328], [330], [331], [332], [333], [336], [337], [338], [339], [342], [343], [344], [345] [2018-11-18 15:48:59,174 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:48:59,174 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:49:00,406 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:49:00,406 INFO L272 AbstractInterpreter]: Visited 142 different actions 902 times. Merged at 21 different actions 72 times. Never widened. Performed 32226 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32226 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 15:49:00,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:49:00,408 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:49:00,408 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:49:00,408 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:49:00,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:49:00,416 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:49:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:49:00,518 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:49:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:49:00,633 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:49:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 15:49:00,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:49:00,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 15:49:00,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:49:00,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:49:00,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:49:00,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:49:00,979 INFO L87 Difference]: Start difference. First operand 653 states and 734 transitions. Second operand 8 states. [2018-11-18 15:49:01,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:49:01,230 INFO L93 Difference]: Finished difference Result 1179 states and 1336 transitions. [2018-11-18 15:49:01,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:49:01,231 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 175 [2018-11-18 15:49:01,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:49:01,231 INFO L225 Difference]: With dead ends: 1179 [2018-11-18 15:49:01,231 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:49:01,233 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 335 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 15:49:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:49:01,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:49:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:49:01,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:49:01,234 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 175 [2018-11-18 15:49:01,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:49:01,234 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:49:01,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:49:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:49:01,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:49:01,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:49:01,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:49:01,695 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 28 [2018-11-18 15:49:02,373 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2018-11-18 15:49:02,514 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-18 15:49:02,926 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 30 [2018-11-18 15:49:03,151 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2018-11-18 15:49:03,407 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2018-11-18 15:49:03,560 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2018-11-18 15:49:03,721 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 27 [2018-11-18 15:49:04,163 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-18 15:49:04,643 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-11-18 15:49:04,643 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-18 15:49:04,643 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-11-18 15:49:04,643 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-11-18 15:49:04,643 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-11-18 15:49:04,643 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,643 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-11-18 15:49:04,643 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-11-18 15:49:04,644 INFO L421 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,644 INFO L421 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,644 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-11-18 15:49:04,644 INFO L425 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-11-18 15:49:04,644 INFO L425 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-18 15:49:04,644 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,644 INFO L421 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,644 INFO L421 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L428 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-11-18 15:49:04,645 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-11-18 15:49:04,645 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,645 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L421 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L428 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 (< ~methaneLevelCritical~0 1) .cse2 .cse0))) [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-11-18 15:49:04,646 INFO L425 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-11-18 15:49:04,647 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-11-18 15:49:04,647 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-11-18 15:49:04,647 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-11-18 15:49:04,647 INFO L421 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3))) [2018-11-18 15:49:04,647 INFO L425 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-11-18 15:49:04,647 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-11-18 15:49:04,647 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse1 .cse3 .cse0))) [2018-11-18 15:49:04,647 INFO L421 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4 .cse1))) [2018-11-18 15:49:04,647 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 .cse5 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse3)))) [2018-11-18 15:49:04,647 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-11-18 15:49:04,648 INFO L421 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse5 .cse1 .cse3) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 15:49:04,648 INFO L425 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-11-18 15:49:04,648 INFO L425 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-11-18 15:49:04,648 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-18 15:49:04,648 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-11-18 15:49:04,648 INFO L421 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2))) [2018-11-18 15:49:04,648 INFO L425 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-11-18 15:49:04,648 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,648 INFO L425 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-11-18 15:49:04,648 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L421 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L421 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-18 15:49:04,649 INFO L421 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse2 .cse3))) [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 63 108) no Hoare annotation was computed. [2018-11-18 15:49:04,649 INFO L421 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:49:04,649 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L421 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-11-18 15:49:04,650 INFO L421 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-18 15:49:04,650 INFO L425 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-18 15:49:04,651 INFO L421 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:49:04,651 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 15:49:04,651 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L428 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-11-18 15:49:04,652 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-11-18 15:49:04,652 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L428 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-11-18 15:49:04,653 INFO L425 ceAbstractionStarter]: For program point L767-1(lines 767 781) no Hoare annotation was computed. [2018-11-18 15:49:04,653 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-11-18 15:49:04,653 INFO L428 ceAbstractionStarter]: At program point L767-3(lines 767 781) the Hoare annotation is: true [2018-11-18 15:49:04,653 INFO L428 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-11-18 15:49:04,654 INFO L425 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-11-18 15:49:04,654 INFO L428 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-11-18 15:49:04,654 INFO L425 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-11-18 15:49:04,654 INFO L421 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or .cse8 .cse0 .cse9 .cse3 .cse5) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-11-18 15:49:04,654 INFO L421 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-11-18 15:49:04,654 INFO L421 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or .cse4 .cse0 (= 0 ~methAndRunningLastTime~0) .cse2 .cse3) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-18 15:49:04,654 INFO L425 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 15:49:04,655 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:49:04,655 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:49:04,655 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-18 15:49:04,656 INFO L421 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< |old(~pumpRunning~0)| 1) (or .cse0 .cse1)) (or (< ~methaneLevelCritical~0 1) (or .cse2 .cse0) .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse0 .cse1) .cse3))) [2018-11-18 15:49:04,656 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-11-18 15:49:04,656 INFO L421 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-11-18 15:49:04,656 INFO L425 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-11-18 15:49:04,656 INFO L421 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-18 15:49:04,656 INFO L425 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-18 15:49:04,656 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L421 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 15:49:04,657 INFO L421 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-18 15:49:04,657 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-11-18 15:49:04,658 INFO L425 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-11-18 15:49:04,658 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-18 15:49:04,658 INFO L421 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 15:49:04,658 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 15:49:04,658 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-11-18 15:49:04,658 INFO L421 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 15:49:04,658 INFO L425 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-18 15:49:04,658 INFO L425 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-11-18 15:49:04,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:49:04 BoogieIcfgContainer [2018-11-18 15:49:04,671 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:49:04,672 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:49:04,672 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:49:04,672 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:49:04,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:48:53" (3/4) ... [2018-11-18 15:49:04,674 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:49:04,678 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:49:04,679 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:49:04,680 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:49:04,680 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:49:04,680 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:49:04,680 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:49:04,685 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 15:49:04,685 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:49:04,686 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:49:04,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-18 15:49:04,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:49:04,735 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c67a1a47-eedb-4245-8b7d-b226b60a511d/bin-2019/utaipan/witness.graphml [2018-11-18 15:49:04,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:49:04,736 INFO L168 Benchmark]: Toolchain (without parser) took 11638.40 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 624.4 MB). Free memory was 956.4 MB in the beginning and 1.3 GB in the end (delta: -333.7 MB). Peak memory consumption was 290.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:04,737 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:49:04,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:04,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:04,737 INFO L168 Benchmark]: Boogie Preprocessor took 26.84 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 15:49:04,737 INFO L168 Benchmark]: RCFGBuilder took 480.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:04,737 INFO L168 Benchmark]: TraceAbstraction took 10679.31 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 469.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -233.2 MB). Peak memory consumption was 724.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:04,738 INFO L168 Benchmark]: Witness Printer took 63.89 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:49:04,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.84 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 480.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 67.8 MB). Peak memory consumption was 67.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10679.31 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 469.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -233.2 MB). Peak memory consumption was 724.1 MB. Max. memory is 11.5 GB. * Witness Printer took 63.89 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || ((1 <= pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((1 <= pumpRunning && 0 == methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2271 SDtfs, 1120 SDslu, 4264 SDs, 0 SdLazy, 1340 SolverSat, 260 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 794 GetRequests, 709 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=720occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.8s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 531 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1643 PreInvPairs, 1695 NumberOfFragments, 2600 HoareAnnotationTreeSize, 1643 FomulaSimplifications, 5595 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8478 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1472 NumberOfCodeBlocks, 1472 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1793 ConstructedInterpolants, 0 QuantifiedInterpolants, 373628 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1665 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 298/318 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...